| 单词 | reagent |
| 例句 | “Jaxim saw you leaping through the fire just moments after the reagent spilled. The drench is quick, but not so quick as that.” The Name of the Wind 2007-03-27T00:00:00Z “She lives down here. I’m worried that she might be hurt. A lot of the reagent went down the drains from the Fishery.” The Name of the Wind 2007-03-27T00:00:00Z In two years, astonishingly, Mendel had produced a set of reagents that would allow him to interrogate some of the most important features of heredity. The Gene 2016-06-02T00:00:00Z At Chicago, the students hoarded their meager supplies of chemical reagents and worked behind closed doors. Big Science 2015-07-07T00:00:00Z “But I have a question for you. How did you make it through the fire? The reagent produces a most intense flame. How is it you are not burned?” The Name of the Wind 2007-03-27T00:00:00Z “Maybe we need a magnifying glass. Maybe we need a microscope. Maybe we need to douse the wall with lemon juice or some other reagent.” The Strangers 2019-04-02T00:00:00Z Chess was not going to ask his little sister in front of Natalie what a reagent was. The Strangers 2019-04-02T00:00:00Z The slow rollout of testing coincided with crippled supply lines from China, leading to shortages of testing components such as swabs and chemical reagents. John Oliver to Jared Kushner: 'If it's a success story for anyone, it’s for the coronavirus' 2020-05-04T04:00:00Z These interludes act like lemon juice squirted on heavy cream, brief reagents in a movie that, despite the meticulousness of its making, seems a peculiarly orthodox tribute to a revolutionary life. ‘Sidney’ Review: A Lovingly Assembled Career Portrait 2022-09-22T04:00:00Z These reagents have been patented for potential therapeutic activities. Discovery concerning receptors used by coronaviruses to enter human cells 2023-10-27T04:00:00Z In chemistry, creating complex organic chemical compounds from simpler reagents is denoted ''organic synthesis''. An electrical switch to control chemical reactions 2023-10-12T04:00:00Z Transition metals form catalytic complexes that can speed up various chemical processes, especially in the production of pharmaceuticals as well as various pigments, dyes, and laboratory reagents like sulfuric acid. Novel ligands for transition-metal catalysis of photoreactions 2023-09-19T04:00:00Z A common method for testing the purity of gold involves a touchstone, a jewelry scale and various acids that act as reagents. Testing the Purity and Value of Gold 2018-04-09T04:00:00Z Erb’s team set out to devise a simpler approach, creating the “AAA cycle” in which four enzymes in solution harness electricity and use it to convert ADP, added as a reagent, into ATP. Chemists convert electricity into the fuel that powers the body’s cells 2023-08-22T04:00:00Z But only a minority of labs use such reagents in the first place, the authors point out, and only a tiny fraction of all labs showed this effect. Lab safety and research productivity are not at odds 2023-06-08T04:00:00Z Most require a large volume of a person’s blood, special chemical reagents, and complex manipulation to produce results. How immune are we? Why answering this question is essential for post-pandemic life 2023-03-20T04:00:00Z This means that the exact values of reagents needed, and the quantity of product obtained, can be mathematically calculated. Novel ligands for transition-metal catalysis of photoreactions 2023-09-19T04:00:00Z Some videos were filmed at Zybio, a company specializing in vitro diagnostic reagents and equipment. China Covid: Workers making tests clash with police at factory 2023-01-09T05:00:00Z “No efforts should be spared to ensure smooth delivery of medical supplies including vaccinations, antigen testing reagents, drugs and masks,” said the notice, published by China’s ministry of transport. China cracks down on drug price gouging amid fears of COVID spike 2022-12-10T05:00:00Z The chemical factory that produces the reagents needed to treat water drawn from the Dnipro and Dniester rivers — the main sources of freshwater in Ukraine — is in a southern city occupied by the Russians. As Russian Strikes Mount, Ukraine Works to Keep the Lights On 2022-11-17T05:00:00Z Different reagents are pumped over the sample hundreds of times per scan, making its components visible. Can Start-Ups Significantly Lower the Cost of Gene Sequencing? 2022-10-12T04:00:00Z Regarding diagnosis, the hospital laboratory lacks the chemical reagents vital for the tests, meaning that often doctors cannot tell what is wrong with patients. Ethiopia civil war: My patients are doomed to die in Tigray blockade 2022-10-08T04:00:00Z But the student lost some of the plants and reagents needed to finish the work, and now it’s not clear what comes next. Researchers in Puerto Rico struggle to adapt in the aftermath of Hurricane Fiona 2022-09-27T04:00:00Z Because a fuel cell is constantly resupplied with reactants and products are expelled, it can continue to function as long as reagents are supplied. Chemistry 2019-02-14T00:00:00Z Plasmids have been repurposed and engineered as vectors for molecular cloning and the large-scale production of important reagents, such as insulin and human growth hormone. Biology for AP Courses 2022-06-09T00:00:00Z But the method slows the process, and the optically perfect glass and reagents are expensive. Can Start-Ups Significantly Lower the Cost of Gene Sequencing? 2022-10-12T04:00:00Z The latest method, published on 18 August Brittany Trangin Science, showed promise in breaking down one of the largest groups of PFASs using inexpensive reagents and temperatures of about 100°C. Cheap New Method Breaks Down ‘Forever Chemicals’ 2022-08-22T04:00:00Z Some are moving only their most crucial reagents and samples to places with more reliable power. Researchers in Puerto Rico struggle to adapt in the aftermath of Hurricane Fiona 2022-09-27T04:00:00Z This is also a very common practice for the preparation of a number of common laboratory reagents. Chemistry 2019-02-14T00:00:00Z This wide gap has been attributed to the paucity of testing kits and ingredients such as reagents. ‘Their Lives Are Worth More Than Ours’: Experts in Africa Slam Global Response to Monkeypox 2022-07-27T04:00:00Z Labs don’t have enough of the reagents needed to run full blood count tests. ‘Don’t fall ill’: Sri Lanka doctors warn of drug shortage 2022-07-12T04:00:00Z Nozzles above each wafer gently squirt out bases and other reagents, which spread thinly and evenly across the wafer as it rotates, reducing the amount of these expensive materials needed. A $100 genome? New DNA sequencers could be a ‘game changer’ for biology, medicine 2022-06-14T04:00:00Z Stamos-Buesig hunted for the right bottle of chemical reagents to mix with each sample. 'They're not trying to die': How drug checking aims to protect users in a messy market 2022-05-22T04:00:00Z These test strips contain various chemical reagents, embedded in small pads at various locations along the strip, which undergo changes in color upon exposure to sufficient concentrations of specific substances. Chemistry 2019-02-14T00:00:00Z Prices for some products Gold Fields consumes, such as steel bolts, reagents, and explosives, have risen by as much as 30%, Griffith said. Inflation eating into Gold Fields' Chile project, CEO says 2022-05-09T04:00:00Z If a new health emergency strikes, test strips with custom reagents could be added and new boxes printed up relatively quickly, he said. It used to be hard to find a coronavirus test. Now there are too many. 2022-04-01T04:00:00Z That figure only covers reagents, not the labor, pre- and postsequencing steps, and initial outlay for the machine, the price of which has not been released. A $100 genome? New DNA sequencers could be a ‘game changer’ for biology, medicine 2022-06-14T04:00:00Z She scrutinized one baggie after a few drops of reagent had mixed with the sample, tapping a polished fingernail to the corner. 'They're not trying to die': How drug checking aims to protect users in a messy market 2022-05-22T04:00:00Z The other reagents and possible products of these reactions are beyond the scope of this chapter, so we will focus only on the changes to the carbon atoms: Chemistry 2019-02-14T00:00:00Z “We wanted to draw attention to the problem and provide the field with reagents and metrics necessary to solve it,” Ghajar says. Glowing tumor marker may interfere with cancer studies in mice, creating reproducibility problems 2022-02-17T05:00:00Z With a palm-size cartridge preloaded with chemical reagents, the test runs on the company’s proprietary GeneXpert machine and can confirm the presence of a suspected pathogen in less than an hour. Pandemic Era Tests May Speed Hepatitis-C Detection 2022-02-04T05:00:00Z We must ensure that we have a large national stockpile of in-home rapid tests, and we should continue to ramp up production of raw materials, including reagents. Opinion | The worst of omicron might have passed. But the pandemic isn’t over. 2022-01-24T05:00:00Z Stamos-Buesig wondered aloud, based on the particular hue that the reagent had turned, if the drug might also contain heroin, which could take another sample and a squirt of another reagent to suss out. 'They're not trying to die': How drug checking aims to protect users in a messy market 2022-05-22T04:00:00Z What reagent might be used to separate the ions in each of the following mixtures, which are 0.1 M with respect to each ion? Chemistry 2019-02-14T00:00:00Z Both components, the reagent and the antibodies, start to degrade at some point, Pettengill said. Has your COVID rapid test expired? Finding out may be trickier than you’d think 2022-01-24T05:00:00Z Humphries is having to manage supply availability day to day, as Vanderbilt competes with labs around the world for testing reagents and cartridges. Omicron leaves testing labs overwhelmed, causing frustrating delays to get results 2022-01-20T05:00:00Z You carefully swabbed the insides of both nostrils, mixed your sample with a few drops of reagent, placed it on a test strip and waited 15 minutes to see your results. If you take an at-home coronavirus test, who keeps track of the results? Probably no one 2022-01-06T05:00:00Z Stamos-Buesig checked a sample after Billy was hospitalized, but couldn’t pin down what was different about it, since it didn’t respond to the reagents in her kit. 'They're not trying to die': How drug checking aims to protect users in a messy market 2022-05-22T04:00:00Z Since the functional group has two π bonds, alkynes typically react even more readily, and react with twice as much reagent in addition reactions. Chemistry 2019-02-14T00:00:00Z In the case of BinaxNOW, which is produced by Abbott Laboratories, a user applies a solution called an extraction reagent to the test, swabs their nostril, and places the swab onto the test. NOT REAL NEWS: A look at what didn’t happen this week 2021-12-31T05:00:00Z But if the data, protocol, and reagents were readily available, “it should be very fast.” More than half of high-impact cancer lab studies could not be replicated in controversial analysis 2021-12-07T05:00:00Z After a further four weeks, their hearts were removed and washed with a series of buffer solutions and chemical reagents to extract the proteins, which were then analysed. Cells or Drugs? The Race to Regenerate the Heart 2021-12-03T05:00:00Z "There are fewer flights to choose from to bring in reagents, to bring in equipment, in addition to send out specimens and isolates for people to be able to then work with Omicron," she said. S.Africa sees rise in COVID reinfections from Omicron, mild symptoms - scientist 2021-12-02T05:00:00Z Batteries are self-contained and have a limited supply of reagents to expend before going dead. Chemistry 2019-02-14T00:00:00Z WHO said it scaling up its support for genomic sequencing in Africa so sequencing laboratories have access to adequate human resources and testing reagents to work at full capacity. WHO criticizes travel bans on southern African countries 2021-11-28T05:00:00Z The project’s staff soon ran into problems because all the original papers lacked details such as underlying data, protocols, statistical code, and reagent sources. More than half of high-impact cancer lab studies could not be replicated in controversial analysis 2021-12-07T05:00:00Z We passed one machine that uses microfluidics technology to mix reagents and cells and another that uses mass spectrometry to rapidly analyze the chemical composition of liquids. The Gene-Synthesis Revolution 2021-11-24T05:00:00Z The vials of blood are treated with different chemical reagents to run tests. Theranos failed, but other blood-tech companies are still trying to make testing faster and easier 2021-11-16T05:00:00Z With molecular tests, the swab is inserted into a small container, where the sample is mixed with a reagent, a substance that starts the process of revealing the sample’s genetic makeup. Make your holiday gatherings COVID-safer with rapid tests 2021-11-16T05:00:00Z Katalin Karikó, the Hungarian biochemist credited with one of the key mRNA innovations, began her scientific career behind the Iron Curtain when reagents were scarce. From cows to COVID: The spooky origins of vaccines 2021-11-14T05:00:00Z We also made our own testing reagents and established alternate care sites for isolated rural residents. Opinion | Alaska did well early in the pandemic. Then the misinformation and distrust kicked in. 2021-10-27T04:00:00Z Public health labs are no longer hamstrung by supply bottlenecks on individual test components such as swabs or reagents, said Kelly Wroblewski, director of infectious disease programs for the Association of Public Health Laboratories. COVID testing, turnaround times are still uneven this far into pandemic 2021-10-19T04:00:00Z But emails shown today in court suggested that the complaints were at least in part because reagents were on backorder. Delaying Elizabeth Holmes’ Theranos fraud trial is paying off for the defense 2021-10-01T04:00:00Z With the popular BinaxNow test, for example, you’re supposed to swab each of your nostrils for 15 seconds and rotate the swab three times after placing it in the reagent. Make your holiday gatherings COVID-safer with rapid tests 2021-11-16T05:00:00Z More than 60 percent of the spending was on labor with the rest for equipment, reagents and other materials. Biology Starts to Get a Technological Makeover 2021-09-16T04:00:00Z Its reagents are used in disease diagnostics as well as drug discovery, a PerkinElmer spokeswoman said. PerkinElmer to pay $5.25B for antibody maker BioLegend 2021-07-26T04:00:00Z This reagent kit significantly shortens the time required to detect the mutation, which previously took more than two hours. Shimadzu puts 1-hour test for delta variant on market 2021-07-17T04:00:00Z In a small tent in the middle of Panama’s rainforest, Aaron Pomerantz assembled a makeshift field lab, filled with microscopes, chemical reagents, and delicate lab equipment. How glasswing butterflies grow their invisible wings 2021-06-22T04:00:00Z “All the experiences, reagents and the bat samples in the freezer were finally being used in a significant way globally,” said Dr. Wang, Dr. Shi’s collaborator and friend for 17 years. A Top Virologist in China, at Center of a Pandemic Storm, Speaks Out 2021-06-14T04:00:00Z Along with the problem of contamination, many labs struggle to get the chemical reagents needed for sequencing, either because of the cost or because of shipping and customs holdups. The Disease Detective 2021-06-03T04:00:00Z As pharmaceutical researcher Derek Lowe notes, in addition to a shortage of skilled workers, pharmaceutical supply chains are struggling to source reagents, filters and other vaccine components. Opinion | Waiving intellectual property rights is popular policy. It won’t get more vaccines into arms. 2021-05-07T04:00:00Z A urine specimen was collected and then combined with a reagent in a test tube that was heated over a Bunsen burner. Helen Murray Free, chemist who revolutionized diabetes testing, dies at 98 2021-05-04T04:00:00Z Instead, when I mixed two of the reagents together, a hard, white plastic substance formed in the beaker. How Quantum Computing Could Remake Chemistry 2021-03-15T04:00:00Z Gilbert said other essential technical goods were needed, including cell banks and testing reagents. The Latest: Hungary sets virus records for hospitals, deaths 2021-03-09T05:00:00Z Testing was so costly, slow and hampered by shortages of processing reagents that medical labs strained just to meet the demand at the universities. A California University Tries to Shield an Entire City From Coronavirus 2021-01-30T05:00:00Z SeroNet will also provide standardized reagents and controls for assessing immune responses, which Cox likens to shifting from every scientific group knitting their own sweaters to everyone following one pattern. What we’ve learned about how our immune system fights COVID-19 2020-12-29T05:00:00Z The reagent caused the sample to change color according to the amount of sugar present in the urine. Helen Murray Free, chemist who revolutionized diabetes testing, dies at 98 2021-05-04T04:00:00Z The Trump administration was caught off guard when global supply chains broke down for personal protective equipment such as face masks and chemical reagents for testing kits — shortages that lasted for months. Opinion | The U.S. was supposed to be equipped to handle a pandemic. So what went wrong? 2020-12-24T05:00:00Z Lindstrom contacted industry sources, seeking private vendors that could promptly make more reagents, officials said. CDC squandered weeks pursuing complex test at pandemic’s start 2020-12-26T05:00:00Z Trump’s failures were many, but he didn’t sneak into a CDC laboratory at night and mess with reagents so tests wouldn’t work. Opinion | Our nation’s covid-19 failures extend far beyond Donald Trump 2020-12-18T05:00:00Z In populations in which infections remain rare, pooling can help economize on tests and reagents and stretch limited supplies further. Duke University schools the country on how to stay open during the COVID-19 pandemic 2020-11-21T05:00:00Z They dispensed with test tubes and created a dipstick — essentially a piece of paper coated with chemical reagents — that, when placed in a urine sample, changed color to indicate the results. Helen Murray Free, chemist who revolutionized diabetes testing, dies at 98 2021-05-04T04:00:00Z “The key question will be availability of reagent and swabs,” he said in an email to Thermo Fisher executives on April 5. Hogan’s first batch of coronavirus tests from South Korea were flawed, never used 2020-11-20T05:00:00Z A machine extracts nucleic acids from the sample, placing them into a small tube with various chemical reagents, including an enzyme that converts viral RNA, which is present in coronaviruses, into DNA. CDC squandered weeks pursuing complex test at pandemic’s start 2020-12-26T05:00:00Z Tests for animals use different reagent compounds than those used for tests in people, so they don’t deplete the human supply, Powell added. Lions and tigers and anteaters? U.S. scientists scan the menagerie for COVID-19 2020-11-04T05:00:00Z And in some regions, essential supplies to test for S.T.D.s are running low because manufacturers of swabs, tubes and reagents are redirecting their products for use in coronavirus tests. People Are Still Having Sex. So Why Are S.T.D. Rates Dropping? 2020-10-28T04:00:00Z It was a foreshadow to Los Angeles County in the spring of 2020: The Congolese government’s laboratory had run out of basic chemical reagents for testing, and new shipments hadn’t arrived. What this West African village’s Ebola fight can teach the U.S. about COVID-19 2020-10-23T04:00:00Z Those specimens are processed in laboratories, using PCR test kits and chemical compounds called reagents. Hogan’s first batch of coronavirus tests from South Korea were flawed, never used 2020-11-20T05:00:00Z Some of the solution is then transferred to tiny plastic wells containing additional reagents to help detect whether the virus is present. CDC squandered weeks pursuing complex test at pandemic’s start 2020-12-26T05:00:00Z There, several Cal sports medicine employees, trained in a new and unexpected skill, mix each sample with a reagent. At Cal, a Covid Survivor Keeps Watch Over Football’s Return 2020-10-14T04:00:00Z That added complexity, cost, and time, and put a strain on scarce chemical reagents. New test detects coronavirus in just 5 minutes 2020-10-08T04:00:00Z Many of the London labs are supplied by Roche, he said, with reagents - substances used to analyse test results - proving a particular problem. Doctors fear vital NHS tests could run out 'in days' 2020-10-07T04:00:00Z But testing remained scarce because of limitations in how many kits labs could process, as well as shortages of swabs and reagents. Hogan’s first batch of coronavirus tests from South Korea were flawed, never used 2020-11-20T05:00:00Z Instead of dropping N3, the CDC set about trying to manufacture a new batch of reagents in hopes of eradicating possible contamination that had caused the false positives. CDC squandered weeks pursuing complex test at pandemic’s start 2020-12-26T05:00:00Z And the lab director struggles to obtain enough reagents to keep up with escalating demand. French virus testing labs under strain amid resurgent demand 2020-09-26T04:00:00Z Early on, the effort was hamstrung by shortages of test kits, chemical reagents and even the swabs used to collect samples. N.Y.C. Is Opening Its Own Virus Testing Lab to Address Shortages 2020-09-16T04:00:00Z The main issue appears to be with the supply of reagents - used to detect the presence of a substance whether that's pregnancy hormones, blood glucose or coronavirus. Doctors fear vital NHS tests could run out 'in days' 2020-10-07T04:00:00Z Beyond the uptick in demand, some officials have also suggested that shortages of staff and reagents, the chemical ingredients used in tests, may be contributing to the crisis. As Second Wave of Virus Builds, U.K. Enters New Testing Crisis 2020-09-15T04:00:00Z These were synthetic nucleic acids to be added to the mixture of other reagents. CDC squandered weeks pursuing complex test at pandemic’s start 2020-12-26T05:00:00Z “This strain on the supply chain for reagents is preoccupying and it means more work to keep track.” French virus testing labs under strain amid resurgent demand 2020-09-26T04:00:00Z Lateral flow assays now being developed, which don’t require a machine but reagents and a drop of bodily fluid — blood, spit or nasal swab — are less accurate, often far less so. Boris Johnson’s ‘Operation Moonshot’ envisions weekly coronavirus tests for every person in Britain 2020-09-12T04:00:00Z Among Biden’s first appointments would be a supply commander, who would evaluate persistent shortages in equipment and test supplies, including swabs and reagents, his aides said. Here’s how Joe Biden would combat the pandemic if he wins the election 2020-09-11T04:00:00Z In her May congressional testimony, she urged the federal government to develop a national plan to eliminate test shortages and anticipate bottlenecks in the supply of reagents and materials. To fight COVID-19, a young epidemiologist bridges the gulf between science and U.S. politics 2020-09-10T04:00:00Z Better logistics to manage billing systems, the flow of people at test sites, and of swab, reagent, and test tube supplies will be key to fixing coronavirus testing in the U.S., he writes. Coronavirus News Roundup, August 29-September 4 2020-09-04T04:00:00Z The German Green party called on the chancellor to use the nearly completed infrastructure project to pressure the Kremlin into answering allegations over what Merkel called the “silencing” of Navalny with a Novichok nerve reagent. Merkel pressured to end Nord Stream 2 support after Navalny poisoning 2020-09-03T04:00:00Z There are other shortages, too, including chemicals called reagents used to process tests. U.S. medical supply shortage affects far more tests than the one for COVID-19 2020-09-01T04:00:00Z “What people don’t understand is there are other operational issues that impact the ability for the lab to do this, not just reagents,” said Brooks, whose lab has analyzed some Major League Baseball tests. Months into the pandemic, still no easy answers on coronavirus testing 2020-08-29T04:00:00Z Thus, when other regions were running short, Veneto had a surplus of reagents. How Italy’s ‘father of the swabs’ fought the virus 2020-08-27T04:00:00Z The experts say this change is unlikely to solve current testing problems, which at this point are largely the result of shortages of supplies such as swabs and chemical reagents. Trump tarnishes another pillar of American science 2020-08-26T04:00:00Z Authorities must investigate veterinary laboratories used for research or commercial purposes and check any unlabelled vaccines and disease materials or reagents along with the records of experiments. China to probe labs, farms in crackdown on illegal African swine fever vaccines 2020-08-25T04:00:00Z They argued the change is unlikely to solve current testing problems, which at this point are largely due to shortages of supplies such as swabs and chemical reagents. Trump administration bars FDA from regulating some laboratory tests, including for coronavirus 2020-08-20T04:00:00Z But problems with their chemical reagents and overly strict testing criteria caused major setbacks. COVID-19 Spit Tests Used by NBA Are Now Authorized by FDA 2020-08-20T04:00:00Z In late January he ordered enough reagent to process half a million swabs; then had his lab analyze the reagents and begin to produce its own. How Italy’s ‘father of the swabs’ fought the virus 2020-08-27T04:00:00Z In exchange, the site offers sequencing services and “considerable support” for the cost of kits and reagents. Special Report: COVID opens new doors for China's gene giant 2020-08-05T04:00:00Z There is also a critical shortage of certain equipment and supplies, including reagents, the chemical ingredients needed to detect whether the coronavirus is present in a sample. ‘It’s Like Having No Testing’: Coronavirus Test Results Are Still Delayed 2020-08-04T04:00:00Z Then there were not enough swabs, personal protective equipment or ingredients like reagents needed to administer the tests. When a coronavirus test is not a coronavirus test 2020-08-01T04:00:00Z So we validated saliva directly with reagents and instruments from different vendors. COVID-19 Spit Tests Used by NBA Are Now Authorized by FDA 2020-08-20T04:00:00Z But the virus spread too swiftly, and there weren’t enough personnel or reagents to process so many tests, researchers at two laboratories and Moosa told Reuters. How inequality and poverty undermined South Africa's COVID response 2020-07-31T04:00:00Z “It works great, and I can save anywhere from 60 to 70 percent of our reagents,” he says. New COVID testing strategy could speed up backlogged labs 2020-07-21T04:00:00Z The shortages then limiting testing were of other supplies, experts say, including nasal swabs to collect samples and chemical reagents to process them. Maryland’s governor touts his purchase of tests from South Korea. Emails show a U.S. company offered tests at a lower price. 2020-07-16T04:00:00Z But now, vendors have reallocated to labs in other states a substantial portion of the chemical reagents needed to run tests on one of the UW’s fastest automated testing platforms. COVID-19 test delays from overwhelmed commercial labs hit Washington patients in different ways 2020-07-16T04:00:00Z In order to test all staff and students each week, the school district would need to obtain more than half a million swabs, tubes and units of reagents. Coronavirus testing for half a million L.A. students each week? Easier said than done 2020-07-15T04:00:00Z The city processes the rest of the tests, about 500 daily, at its public health laboratory, where it pays about $50 for the necessary reagents as well as the cost of employees’ time. Northern Virginia sees ebb in virus cases while numbers reach record highs elsewhere in state 2020-07-13T04:00:00Z Then, one of Hawaii’s major testing laboratories learned the company that supplies its testing reagents would reduce its allocation for the lab because of high demand amid coronavirus surges in other states. Hawaii delays quarantine waiver, cites mainland outbreaks 2020-07-13T04:00:00Z Now the problem is a shortage of reagents, she said, which are the chemical ingredients needed to detect whether the coronavirus is present in a sample. Months Into Virus Crisis, U.S. Cities Still Lack Testing Capacity 2020-07-06T04:00:00Z “Clinical labs need more swabs, chemical reagents, viral transport media, test kits, machines to process the tests, staffing to run the machines.” Long delays in getting test results hobble coronavirus response 2020-07-12T04:00:00Z Once it arrived at processing laboratories such as Quest or LabCorp, sample preparation required specific chemicals, known as reagents, to extract genetic material from the swab. The inside story of how California failed mass coronavirus testing 2020-07-12T04:00:00Z In California and Nebraska, some testing sites were forced to close down because of a shortage in testing kits, chemical reagents and other supplies, ABC News reported. Opinion | Our pandemic response is stalling. And it’s made worse by Trump’s ignorance. 2020-07-10T04:00:00Z Louisiana’s said, “The greatest threat to our test plan success is the inability to obtain the needed supplies and reagents to successfully execute the state testing plan.” After months of decline, America’s coronavirus death rate begins to rise 2020-07-10T04:00:00Z Four charts show how pooling samples from many people can hunt down individual cases using less time, chemical reagents and money. Daily briefing: Spain begins an epic economics experiment in universal basic income 2020-07-09T04:00:00Z At Jackson Memorial, one key shortage now is the rapid coronavirus tests, particularly the reagents needed to process samples. Surge in virus hospitalizations strains hospitals in several states 2020-07-08T04:00:00Z The robot was programmed with the basic parameters of the experiment but used algorithms to decide how to change 10 different variables, such as the concentration and ratio of chemical reagents. Robotic lab assistant is 1,000 times faster at conducting research 2020-07-08T04:00:00Z Despite some complaints of shortages of testing materials, Giroir said that “states are getting all the upstream supplies they are asking for,” though some may not always get the specific reagents they request. Trump administration starts surge coronavirus testing in Florida, Louisiana and Texas 2020-07-07T04:00:00Z Cohen said she and Cooper discussed the need for more chemical reagents Monday with U.S. N.C. residents won’t need a doctor’s order for a COVID test 2020-07-07T04:00:00Z “We’re being asked to expand surveillance testing to large populations of people, and there quite frankly is not enough reagents to be able to do that,” he said, referring to chemicals used in diagnostic tests. Federal Officials Turn to a New Testing Strategy as Infections Surge 2020-07-01T04:00:00Z “We’re working on several different fronts to try to increase access to testing and increase capacity,” Christ said, including supplying more machines and reagents and partnering with private health-care organizations to open more testing sites. Lines for coronavirus tests sometimes stretch miles 2020-07-01T04:00:00Z To hit the ground running, they journeyed to Vancouver, Canada, for 1 week to learn the technique, and developed a pipeline for novel reagents through a University of Michigan lab. COVID-19 cancels charity galas and walks. Science is paying the price 2020-06-24T04:00:00Z Cheng’s team, for example, used a commercially available phospholipid reagent to slip a peptide known to home to heart cells into exosome membranes. How extracellular vesicles can enhance drug delivery 2020-06-16T04:00:00Z It found it could reliably test for the virus in a batch and save chemical reagents and personnel time, with an overall increase in testing capability of at least 69%. ‘Pooled’ coronavirus testing seen as way to clear large groups, slash costs 2020-06-14T04:00:00Z This enabled us to design reagents with the best chance of finding the killer virus. Good news: US classrooms are warming to evolution, thanks in part to scientist outreach 2020-06-10T04:00:00Z He was able to source hard-to-come-by reagents and primers — short sequences of nucleotides — from colleagues in the United Kingdom. Animals and coronavirus, help for African labs and a short flu season 2020-06-08T04:00:00Z Chemical reagents and personal protective equipment such as masks and gloves — which researchers often donated to local hospitals — might also be out of stock. Frozen cells and empty cages: researchers struggle to revive stalled experiments after the lockdown 2020-06-04T04:00:00Z Shortages of key supplies needed to run the tests — such as swabs and chemical reagents — have persisted. Six Months of Coronavirus: Here’s Some of What We’ve Learned 2020-06-01T04:00:00Z This centralized testing system requires large bulky machines and extensive overhead infrastructure, complex sample transport logistics, highly trained personnel, high volumes of expensive reagents and centralized lab facilities. Precision Mobile Testing Is Key to Opening the Economy Safely 2020-05-27T04:00:00Z A reagent is a substance used to detect or measure other substances. New portable technology can detect anti-virus antibody in 20 minutes, researchers say 2020-05-27T04:00:00Z Awandare and his team are able to conduct sequencing because colleagues at institutions in the United Kingdom have sent him hard-to-come-by chemicals, such as reagents and primers. Scientific networks are helping African countries to access coronavirus lab supplies 2020-05-25T04:00:00Z Commonly used reagents and enzymes will be in high demand. Frozen cells and empty cages: researchers struggle to revive stalled experiments after the lockdown 2020-06-04T04:00:00Z Once researchers settle on effective antibodies, the tests are easy to manufacture in bulk, and running them doesn’t require additional reagents as PCR tests do. Coronavirus antigen tests: quick and cheap, but too often wrong? 2020-05-22T04:00:00Z The agency suffered a technical failure with a chemical reagent, then was sluggish in responding. Opinion | The CDC has gone silent. Its voice must be restored. 2020-05-21T04:00:00Z The scientists also developed a reagent to detect anti-H5 avian influenza virus antibody. New portable technology can detect anti-virus antibody in 20 minutes, researchers say 2020-05-27T04:00:00Z Prof Griffiths, emeritus professor at the Chinese University of Hong Kong, said it would probably be "more sensible" for a four-nations approach to securing items such as reagents - substances used in chemical analysis - and swabs. UK 'must work together on coronavirus supplies' 2020-05-17T04:00:00Z “I’m lucky to be in a field where people are generous with such reagents.” Frozen cells and empty cages: researchers struggle to revive stalled experiments after the lockdown 2020-06-04T04:00:00Z But it depends upon collection swabs, thermocycling machines, chemical reagents and nucleotide probes and primers, and if any one of these components is in insufficient supply, the tests cannot be run. He Was a Science Star. Then He Promoted a Questionable Cure for Covid-19. 2020-05-12T04:00:00Z Last week, one lab in the Midlands only received a fifth of the reagents it was expecting to get from the government, he said. U.K. Coronavirus Testers Pay Price for a Day of Triumph 2020-05-15T04:00:00Z Serum collected from birds was mixed with the reagent and left for 15 minutes, they explained in the statement. New portable technology can detect anti-virus antibody in 20 minutes, researchers say 2020-05-27T04:00:00Z "It is certainly achievable, notwithstanding all the difficulties of getting reagents or buying testing kits, re-purposing machinery and maybe getting new machinery," he said. UK 'must work together on coronavirus supplies' 2020-05-17T04:00:00Z Her lab members split up breeding pairs of mice, shelved reagents and froze or refrigerated biological materials. Frozen cells and empty cages: researchers struggle to revive stalled experiments after the lockdown 2020-06-04T04:00:00Z In one residential block, more than 2,000 people were tested on Tuesday, but medics reportedly ran out of labels and reagents, which complicated efforts to reach every resident by 8pm. Wuhan residents brave queues as coronavirus mass testing begins 2020-05-15T04:00:00Z Because antibody drugs are now such a large part of the pharmaceutical industry, there tend to be multiple suppliers for key reagents, Christy says. How to make enough coronavirus drugs in a hurry 2020-05-13T04:00:00Z “Molecular movements of the reagent bound with the antibody will be smaller in the liquid, producing a different degree of polarization from the reagent not bound with the antibody,” they said. New portable technology can detect anti-virus antibody in 20 minutes, researchers say 2020-05-27T04:00:00Z But regional officials say they can’t conduct more tests because they didn’t receive the extra reagent necessary to process the results. As Europe reopens, key virus protections are still elusive 2020-05-13T04:00:00Z Basic reagents such as TRIzol, a solvent used to extract RNA from cells, “have been difficult to get for us and others”, she says. Frozen cells and empty cages: researchers struggle to revive stalled experiments after the lockdown 2020-06-04T04:00:00Z Some countries such as Nigeria have tested poorly because they are unable to produce some of the key chemical reagents needed locally. Coronavirus could 'smoulder' in Africa for several years, WHO warns 2020-05-08T04:00:00Z Health-care systems are overwhelmed, essentials including personal protective equipment and lab reagents are in short supply, and health-care workers are already taking on tremendous personal risk to care for their patients. Autopsy slowdown hinders quest to determine how coronavirus kills 2020-05-06T04:00:00Z "That means there is possibility for technical errors or these imported reagents have issues," he said, without giving more detail. Night burials amid Tanzania's coronavirus defiance 2020-05-03T04:00:00Z Maryland officials were frustrated that those tests were not made available for their use, because of a lack of swabs, reagents and other testing supplies. Maryland cancels $12.5 million PPE contract with firm started by GOP operatives 2020-05-02T04:00:00Z Limitations on use are similar to those already faced by countries such as Britain and depend on PCR capacity, stocks of chemical reagents and logistics. US germ warfare lab creates test for pre-infectious Covid-19 carriers 2020-05-01T04:00:00Z He said the state was set to receive about 34,000 swabs from a national stockpile and had an “adequate supply” of reagent, a mixture used for chemical analysis in the testing. FDA approves South Korean virus tests for use in Maryland 2020-05-01T04:00:00Z He used it to increase the stocks of swabs, but not for the reagent chemicals that are required for widespread diagnostic testing. Opinion | Trump won’t use the Defense Production Act for medical supplies. But he’ll use it for meat. 2020-04-29T04:00:00Z The state official described specific shortages in nasal swabs, viral transport media and reagents, outlining a scenario that would allow Maryland to use less than 1 percent of the South Korean test kits. Very few of Maryland’s coronavirus tests from South Korea have been used so far. Here’s why. 2020-04-29T04:00:00Z Inadequate kits and reagents to withdraw viral RNA from those samples. White House issues coronavirus testing guidance that leaves states in charge 2020-04-27T04:00:00Z While the rate of testing increased as tests developed for higher-capacity platforms, they were still limited by shortages of supplies, from nasal swabs to the reagents used to process the samples. Doubts about testing remain in spite of Trump’s assurances 2020-04-28T04:00:00Z She said the administration was working with states to identify all their testing sites and supply the needed swabs and chemical reagents. Governors, Facing Pressures on All Sides, Weigh Reopening Their States 2020-04-26T04:00:00Z Mr. DeWine complained privately to Vice President Mike Pence that the Food and Drug Administration was moving too slowly to approve a new reagent made by Thermo Fisher Scientific. Testing Remains Scarce as Governors Weigh Reopening States 2020-04-25T04:00:00Z At the news conference where he announced the purchase, he said he hoped to double that threshold, even as he acknowledged that the state would need more swabs, reagents and lab capacity to meet it. Very few of Maryland’s coronavirus tests from South Korea have been used so far. Here’s why. 2020-04-29T04:00:00Z Key supplies, especially swabs and reagent chemicals, are in short supply. Opinion | We are nearing the end of the beginning of the covid-19 crisis. Bigger challenges lie ahead. 2020-04-24T04:00:00Z He said new types of test - including ones that do not rely on reagents in short supply - would help to reach the target. Virus tests now open to millions of key workers 2020-04-23T04:00:00Z The test uses different reagents than the PCR-based SARS-CoV-2 ones that are currently in use, offering a potential alternative where there are shortages of the chemicals needed to conduct the latter assays. CRISPR Gene Editing May Help Scale Up Coronavirus Testing 2020-04-23T04:00:00Z Just last week, state officials said swab and reagent supply chains remained inadequate across the state. California becomes first state to recommend coronavirus tests for some without symptoms 2020-04-21T04:00:00Z “Without things like reagents,” Elrich said, “they are sort of like paperweights.” Very few of Maryland’s coronavirus tests from South Korea have been used so far. Here’s why. 2020-04-29T04:00:00Z The federal government will work on increasing the supply of reagents and testing kits from national manufacturers necessary to process the tests, and the state will handle coordination with the laboratories in New York. Trump and Cuomo Put Aside Disputes During White House Meeting 2020-04-21T04:00:00Z In particular, they say, there is a shortage of cotton swabs used to collect samples and the chemical reagents used to determine whether a sample contains the virus. Reopening the DMV: How officials will decide when to ease restrictions in Maryland, Virginia and D.C. 2020-04-21T04:00:00Z And every test that’s based on PCR uses a common set of reagents and, as a result, is subject to shortages in their availability. CRISPR Gene Editing May Help Scale Up Coronavirus Testing 2020-04-23T04:00:00Z Citing delays in the supply chain for testing materials such as swabs and reagents, the New York governor said that untangling supply issues was a job for the federal government. Governors chart different paths as they respond to the coronavirus 2020-04-21T04:00:00Z Food and Drug Administration approved a new version of the testing reagent, a development that will significantly expand Ohio’s ability to test for the coronavirus. Judge: Legitimate cause to limit Ohio businesses amid virus 2020-04-21T04:00:00Z Resources such as reagents and funding were a popular response for both groups, as was coordination by the NIH or their own institution. Untapped potential: More US labs could be providing tests for coronavirus 2020-04-20T04:00:00Z Hogan said that at the moment, the state lacks all of the necessary supplies and reagents — items such as nasal swabs or chemicals — to administer the newly secured Korean tests. Maryland receives 500,000 coronavirus tests from South Korea; deaths in D.C., Md. and Virginia reach 996 2020-04-20T04:00:00Z The cost of reagents is just a few dollars per test. CRISPR Gene Editing May Help Scale Up Coronavirus Testing 2020-04-23T04:00:00Z The governor said he wants to double Maryland’s daily testing goal to 20,000 and cautioned that the state needs other supplies, such as swabs and reagents. Hogan buys coronavirus tests from South Korea, spars with Trump over testing capacity 2020-04-20T04:00:00Z Pence sought to soften the administration’s message amid growing clamor from both parties for a national testing strategy to help secure testing swabs, chemical reagents and other crucial supplies. Trump criticism aside, governors call for more federal help 2020-04-21T04:00:00Z In interviews on Sunday morning talk shows, Mr. Northam was among the governors who said they needed the swabs and reagents required for the test, and urged federal officials to help them get those supplies. Governors Plot Reopening the Economy but Say They Still Lack Tests 2020-04-19T04:00:00Z Companies and health officials are also predicting shortages of the reagents and components required to assemble the tests. Antibody Test, Seen as Key to Reopening Country, Does Not Yet Deliver 2020-04-19T04:00:00Z “I think states are largely on their own trying to get testing resources into their states,” he said, noting the shortage of swabs and reagents is a more urgent matter than lack of lab capacity. Trump says government will step up coronavirus testing efforts, after governors blast federal inaction 2020-04-19T04:00:00Z Once the DNA is made, portions of the solution are transferred to tiny plastic cups, containing additional reagents to help detect whether the virus is present. Contamination at CDC lab delayed rollout of coronavirus tests 2020-04-18T04:00:00Z In Ohio, Republican Gov. Mike DeWine said his state is working with another federal agency, the Food and Drug Administration, to find a source of reagent, the chemical used to analyze test results. Trump criticism aside, governors call for more federal help 2020-04-21T04:00:00Z Components including nasal swabs, reagents and RNA extraction kits are running short. Operation reopen America: are we about to witness a second historic failure of leadership from Trump? 2020-04-18T04:00:00Z The diagnostic tests, no matter who does them, require specialized chemicals, known as reagents. Opinion | Trump’s reopening guidance has a glaring gap 2020-04-17T04:00:00Z “The reagents and the swabs are absolutely essential,” she said. Trump says government will step up coronavirus testing efforts, after governors blast federal inaction 2020-04-19T04:00:00Z Meanwhile, hospitals and labs said they are still grappling with shortages of swabs and reagents that are needed for the diagnostic tests. Amid the push to reopen, states and businesses plead for more federal testing help 2020-04-17T04:00:00Z Pennsylvania Democratic Gov. Tom Wolf said, “We need the reagents, we need the test kits and I think that’s the sort of general cry from other states.” Trump criticism aside, governors call for more federal help 2020-04-21T04:00:00Z A major obstacle is a of lack of testing kits, including the reagents necessary to do the tests. Texas governor to ease some coronavirus restrictions after Trump pushes for a reopening 2020-04-17T04:00:00Z Beyond the tests themselves, states need swabs, chemical reagents, trained staff and protective equipment for those staffers. Former CDC chief outlines a four-step path to boxing in coronavirus 2020-04-17T04:00:00Z Federal officials are still getting requests from private laboratories for help obtaining the necessary reagents to conduct tests, a person involved in the task force said. As testing outcry mounts, Trump cedes to states in announcing guidelines for slow reopening 2020-04-16T04:00:00Z But its spokesman warns that "due to the high demand on reagents and consumables the supply situation may be challenging in the short term in some cases". The scientists who made a 'home-brew' coronavirus test 2020-04-16T04:00:00Z You need the right people, laboratory infrastructure and reagents. These cancer scientists turned their lab into a coronavirus-testing facility 2020-04-15T04:00:00Z Many of them say the biggest challenge is getting not the diagnostic tests themselves but the supplies to process them, including chemical reagents, swabs and pipettes. Testing Falls Woefully Short as Trump Seeks an End to Stay-at-Home Orders 2020-04-15T04:00:00Z We’ll need not just lots of swabs and reagents and lab equipment, but also people to do the testing and explain the results. Opinion | The important question isn’t when the government is going to lift restrictions. It’s this. 2020-04-14T04:00:00Z States are also still struggling with acute supply shortages for tests, including swabs and reagents, that Washington has not addressed. As testing outcry mounts, Trump cedes to states in announcing guidelines for slow reopening 2020-04-16T04:00:00Z The process requires high heat and a number of chemical reagents. 3 Vans, 6 Coolers, a Plane, a Storm and 2 Labs: A Nasal Swab’s Journey 2020-04-13T04:00:00Z Most manufacturers want to help, but the niche industry that produces the testing equipment and chemical reagents necessary to process lab tests is dealing with huge global demand. In Scramble for Coronavirus Supplies, Rich Countries Push Poor Aside 2020-04-09T04:00:00Z Shortages of testing supplies, including swabs and chemical reagents for the tests, loom as obstacles to the process. Column: California might behave as a 'nation-state.' But its power has limits 2020-04-10T04:00:00Z “We manufacture the whole sophisticated supply chain so the tests, the reagents, the instruments,” he said. US firm says it is on track to give UK 100,000 coronavirus tests a day 2020-04-09T04:00:00Z Starting work on a different, but known, virus requires access to key reagents including expression plasmids, antibodies and other tools of the trade. Our Knowledge of Viruses Is Badly Inadequate 2020-04-08T04:00:00Z Though war is the glue that holds these stories together, the reagent that intensifies the drama, it is not the series’ main subject. 'World on Fire' review: How to win a war 2020-04-05T04:00:00Z But, like Brazil, it is reliant on international manufacturers for the chemical reagents, and other equipment, needed to process the tests. In Scramble for Coronavirus Supplies, Rich Countries Push Poor Aside 2020-04-09T04:00:00Z You need the right reagents - highly specific substances used to extract the virus's genetic material and to make it easier to study. Can the UK do 100,000 coronavirus tests a day? 2020-04-04T04:00:00Z And supplies of the the precision plastics used with the reagents are not due to be ready until mid-May, the institute said. Fears for lockdown over weekend of sunshine 2020-04-03T04:00:00Z But, again, in a fast-moving medical crisis, the human skills and the scientific techniques may be hampered by the lack of specific reagents at the right time. Our Knowledge of Viruses Is Badly Inadequate 2020-04-08T04:00:00Z Shortages of swabs had been rectified, but the UK was “still tackling the reagents issue, which is a global challenge”. No 10 seeks to end coronavirus lockdown with 'immunity passports' 2020-04-02T04:00:00Z Dr. Francois Venter, an infectious diseases expert who is advising the South African government, said the struggle to acquire the reagents was endangering the country’s overall response. In Scramble for Coronavirus Supplies, Rich Countries Push Poor Aside 2020-04-09T04:00:00Z There has also been a question of the availability of testing kits, including the reagents needed to study the virus once on a swab. Can the UK do 100,000 coronavirus tests a day? 2020-04-04T04:00:00Z “There are ethical issues about veterinary labs stockpiling reagents in case we need tests for animals when these reagents are necessary right now … to test samples from humans,” she said. Can pets get the coronavirus? 2020-04-01T04:00:00Z For the future, we should consider supporting new and existing central repositories of virology reagents and specific techniques that are representative of the most plausibly pandemic pathogen families. Our Knowledge of Viruses Is Badly Inadequate 2020-04-08T04:00:00Z British officials blame shortages of swabs to take samples and of chemicals known as reagents, which are needed to perform the tests. UK’s Johnson under fire for low number of COVID-19 tests 2020-04-01T04:00:00Z He turned to another set of vials, containing a reagent, the enzymes and chemical markers specially designed to reveal the presence of the coronavirus. Here's what coronavirus testing for a very sick patient looks like from swab to result 2020-04-01T04:00:00Z The UK has faced problems getting hold of the relevant reagents, which have been in high global demand. Can the UK do 100,000 coronavirus tests a day? 2020-04-04T04:00:00Z The Chemical Industries Association said that, while there was escalating demand, “there are reagents being manufactured and delivered to the NHS”. UK to speed up coronavirus testing as criticism grows 2020-04-01T04:00:00Z Yes, in many cases the specificity requirements for the exact circulating strain may compromise, but perhaps not destroy, the value of some deposited reagents, but with careful planning the benefits may still be there. Our Knowledge of Viruses Is Badly Inadequate 2020-04-08T04:00:00Z "However difficult it is to source the reagents to ramp up the capacity of laboratories up and down the country, it is essential that mass community testing is part of our national strategy." Hospitals urged to use lab space to test NHS staff 2020-03-31T04:00:00Z For 90 minutes, these two extremes pitted specimen with reagent in a modulated sequence known as a polymerase chain reaction. Here's what coronavirus testing for a very sick patient looks like from swab to result 2020-04-01T04:00:00Z As well as labs, Health Secretary Matt Hancock said the government would now call on UK-based "pharmaceutical giants" GlaxoSmithKline and AstraZeneca to make the reagents necessary to carry out the tests. Can the UK do 100,000 coronavirus tests a day? 2020-04-04T04:00:00Z However, there is a shortage of PCR machines, of staff trained to use them and, most worryingly, of reagents needed to run them. The two tests that will help to predict spread of Covid-19 2020-03-29T04:00:00Z The NIH funds a repository of reagents for HIV research that is a valuable resource in my own research area. Our Knowledge of Viruses Is Badly Inadequate 2020-04-08T04:00:00Z The Chemical Industries Association acknowledged demand was "escalating" but said reagents were being manufactured and delivered to the NHS. Hospitals urged to use lab space to test NHS staff 2020-03-31T04:00:00Z The company that formulated the reagent was headquartered near Milan, and the outbreak in northern Italy guaranteed experience with the virus. Here's what coronavirus testing for a very sick patient looks like from swab to result 2020-04-01T04:00:00Z Number two is reagent and materials for running the tests. Introducing L.A.'s coronavirus testing czar. Can he fix a 'grossly inadequate' system? 2020-03-28T04:00:00Z In particular, the researchers examined whether the final papers reported more key details of the research, such as the types of reagents and statistical methods used, than the preprint. Do preprints improve with peer review? A little, one study suggests 2020-03-26T04:00:00Z But it doesn’t make sense to order manufacturers like Apple or GM to make nose swabs or chemical reagents for testing kits if they don’t have the expertise or suppliers to do so. Editorial Roundup: New York 2020-03-25T04:00:00Z It’s also known to sometimes produce false positives if reagents in a lab become contaminated. Coronavirus tests: researchers chase new diagnostics to fight the pandemic 2020-03-22T04:00:00Z It was purposely designed with simplified reagents to allow easy manufacturing. Fast, Portable Tests Come Online to Curb Coronavirus Pandemic 2020-03-23T04:00:00Z There, technicians use reagents to extract any viral RNA. The standard coronavirus test, if available, works well—but can new diagnostics help in this pandemic? 2020-03-22T04:00:00Z That sample is then mixed in a tube and transferred with an included pipette into the Cepheid cartridge, which contains testing reagents, according to the company. FDA approves new coronavirus test that can have 'results within hours' instead of days 2020-03-21T04:00:00Z They purchased extra testing products, known as reagents, that extract viral RNA from nose or throat swab samples. Can’t Get Tested? Maybe You’re in the Wrong Country 2020-03-20T04:00:00Z “We, for two weeks, were requesting reagents for our public health lab from C.D.C., who pushed us to private suppliers who kept canceling orders on us. And we kept making requests, placing orders.” Trump Resists Pressure to Use Wartime Law to Mobilize Industry in Virus Response 2020-03-20T04:00:00Z Lyophilizing the reagents and developing portable microfluidic cartridges in which to run the test would enable it to be deployed outside laboratory settings. Fast, Portable Tests Come Online to Curb Coronavirus Pandemic 2020-03-23T04:00:00Z Reports from across the country reveal dire shortages of personal protective equipment, including masks, chemical reagents needed for testing and other supplies essential to coping with an expected onslaught of illness. Opinion | We face a wartime supply shortage. Where is Trump’s wartime response? 2020-03-20T04:00:00Z Officials anticipate receiving new reagents from the Centers for Disease Control and Prevention within the next day, which would increase capacity. Maryland reports first coronavirus fatality as health facilities ramp up 2020-03-18T04:00:00Z We are still woefully short of test kits across the United States as well as the chemical reagents necessary to process tests. Opinion | Ted Lieu: Trump is stoking xenophobic panic in a time of crisis 2020-03-18T04:00:00Z The reagents are used to isolate the genetic material from the virus. Shortages of face masks, swabs and basic supplies pose a new challenge to coronavirus testing 2020-03-18T04:00:00Z In their system, individually accessible compartments for performing reactions are arranged around a central hub that coordinates reagent delivery, product sampling and chemical analysis, and the temporary storage of compounds produced as intermediates. Radial flow system decouples reactions in automated synthesis of organic molecules 2020-03-17T04:00:00Z Shortages are also reported in the chemicals known as reagents for virus test kits that isolate fragments of the virus’s genetic material. Opinion | We face a wartime supply shortage. Where is Trump’s wartime response? 2020-03-20T04:00:00Z Buying lab equipment and reagents from foreign suppliers remains a problem, even for scientists who are Russian. Russia aims to revive science after era of stagnation 2020-03-17T04:00:00Z Thermo Fisher hopes to be able to ship 5 million tests per week by April, but it will depend on the availability of raw materials, including reagents used to extract the genetic material from samples. DIY nasal swabs, drive-thrus and labs in overdrive: Americans are desperate for more coronavirus testing 2020-03-17T04:00:00Z Columbia University’s Irving Medical Center in New York said that a week and a half ago it received a six-month supply of the necessary reagent from New York state. Shortages of face masks, swabs and basic supplies pose a new challenge to coronavirus testing 2020-03-18T04:00:00Z A solution of reagents is typically passed through a series of reactors; further reagents are introduced as needed. Radial flow system decouples reactions in automated synthesis of organic molecules 2020-03-17T04:00:00Z A shortage in basic testing chemicals, called reagents, slowed the process down further. Officials say coronavirus testing is being expanded, but doctors are skeptical 2020-03-17T04:00:00Z After replacing a hydrogen with an oxygen, it steals a methyl group from a reagent known as trimethylaluminum and inserts it in oxygen’s place. Newly discovered ‘magic methyl’ reaction could turbocharge the potency of some drugs 2020-03-16T04:00:00Z “The test kits do not include in every case the RNA extraction kits, the reagents, the chemicals, the solutions that are components of the broader tests,” he said. California schools closed and events cancelled as state escalates Coronavirus response 2020-03-13T04:00:00Z In the House briefing, much of the discussion surrounded bottlenecks in the availability of testing — particularly the availability of special chemicals known as reagents needed to conduct the tests. Lag in coronavirus testing triggers political uproar as Trump insists process is ‘very smooth’ 2020-03-12T04:00:00Z But the key advance of Chatterjee and colleagues’ radial synthesizer is that it decouples the steps by directing reagents to an appropriate module for each reaction, independently of the other steps. Radial flow system decouples reactions in automated synthesis of organic molecules 2020-03-17T04:00:00Z “If we don’t fix that reagent shortage very soon, then our capacity for testing at the public health labs will be dramatically reduced again,” Ferrer said at a news conference Monday. Officials say coronavirus testing is being expanded, but doctors are skeptical 2020-03-17T04:00:00Z Production of new tests has been held back by a global shortage of a key component, reagents used to extract RNA from samples. Donald Trump is the very worst person to handle the coronavirus crisis 2020-03-12T04:00:00Z Demand for reagents has left a key supplier struggling to keep pace with orders from countries around the world. Coronavirus testing process lacks key ingredient, causing confusion 2020-03-11T04:00:00Z He also anticipates that there will be—or may already be—a shortage of reagents needed to run the test kits. ‘We're behind the curve’: U.S. hospitals confront the challenges of large-scale coronavirus testing 2020-03-11T04:00:00Z Nevertheless, challenges remain, particularly in the handling of solids — whether solid reagents or solids formed during reactions. Radial flow system decouples reactions in automated synthesis of organic molecules 2020-03-17T04:00:00Z Include the vendor, product number and lot number for all reagents. A controlled trial for reproducibility 2020-03-09T04:00:00Z “The initial CDC test kits contained a reagent, or chemical, used in processing the samples that led to inconclusive results,” Le said. Coronavirus testing kit shortages, delayed results adding to frustrations 2020-03-09T04:00:00Z “We are very dependent on getting reagents from the CDC. I know both the president and the vice president were assuring us and the general public that those reagents are coming and coming quickly.” Coronavirus testing process lacks key ingredient, causing confusion 2020-03-11T04:00:00Z We are in the process of acquiring reagents for our own in-house testing. ‘We're behind the curve’: U.S. hospitals confront the challenges of large-scale coronavirus testing 2020-03-11T04:00:00Z The rollout of a CDC-designed test kit to state and local labs has become a fiasco because it contained a faulty reagent. The United States badly bungled coronavirus testing—but things may soon improve 2020-02-28T05:00:00Z One of the three reagents, or components of the test, was giving inconclusive results when many laboratories were trying to verify that it was working. Coronavirus testing widened as California case makes containment more urgent 2020-02-27T05:00:00Z The agency said in a statement that “performance issues were identified related to a problem in the manufacturing of one of the reagents which led to laboratories not being able to verify the test performance”. Coronavirus could cause 'severe disruption' in America, CDC says 2020-02-25T05:00:00Z Newsom said Tuesday that the reagent shortage had contributed to a backlog in testing and that the administration had “been very aggressive with the CDC” in demanding more reagents. Coronavirus testing process lacks key ingredient, causing confusion 2020-03-11T04:00:00Z So, there may be a shortage of reagents for those specific platforms. ‘We're behind the curve’: U.S. hospitals confront the challenges of large-scale coronavirus testing 2020-03-11T04:00:00Z But on 12 February, it revealed that several labs had difficulty validating the test because of a problem with one of the reagents. The United States badly bungled coronavirus testing—but things may soon improve 2020-02-28T05:00:00Z At the moment, African researchers pay a lot to ship samples and reagents to and from China and the United States, and these items often get held up at ports. The next chapter for African genomics 2020-02-18T05:00:00Z “The lack of reagents is what delayed the capacity in African countries for confirmation,” said Yao. African countries braced for 'inevitable' arrival of coronavirus 2020-02-12T05:00:00Z A spokesman for Quiagen, a top supplier of the reagents, said the pandemic was “challenging our capacity to supply certain products” and that it would increase production in facilities in Germany, Spain and Maryland. Coronavirus testing process lacks key ingredient, causing confusion 2020-03-11T04:00:00Z More crucially, Hubei is running short of testing kits and reagents. As Deaths Mount, China Tries to Speed Up Coronavirus Testing 2020-02-09T05:00:00Z The assay should not react to this negative control, but the CDC reagents did at many, but not all, state labs. The United States badly bungled coronavirus testing—but things may soon improve 2020-02-28T05:00:00Z Until early this week, there were only two laboratories in Africa - one in Senegal and the other in South Africa - which had the reagents needed to test samples. Coronavirus: Are African countries ready? 2020-02-06T05:00:00Z Last weekend, Africa CDC ran a workshop in Senegal for scientists in 15 countries, sending them home with diagnostic tests including reagents. African countries braced for 'inevitable' arrival of coronavirus 2020-02-12T05:00:00Z “Increased demand for testing has the potential to exhaust supplies needed to perform the testing itself,” including reagents, plastic pipette tips, and other products, the American Society for Microbiology said in a statement. Coronavirus testing process lacks key ingredient, causing confusion 2020-03-11T04:00:00Z Chinese researchers isolated the new coronavirus, sequenced its genetic code and prepared reagents for diagnostics. Opinion | China tried to keep a lid on the coronavirus. It put everyone at risk. 2020-01-29T05:00:00Z Known as continuous-flow synthesis, this strategy involves pumping two or more reagents through a series of microchambers connected by thin, flexible tubes. Who shrank the drug factory? Briefcase-sized labs could transform medicine 2019-11-11T05:00:00Z The ability of African nations to properly diagnose cases "depends on the new reagents being made available from China and Europe," says Dr Yao. Coronavirus: Are African countries ready? 2020-02-06T05:00:00Z When we meet him Roberts is already working with startup Ascendance Biomedical, who provide him with the reagents he needs and who guide his self-experimentation. Netflix's "Unnatural Selection" ducks the big questions about gene editing 2019-11-10T05:00:00Z The chemicals, or reagents, are used to extract genetic material from a nasal swab sample, among the first steps in the testing process. Coronavirus testing process lacks key ingredient, causing confusion 2020-03-11T04:00:00Z This dissolves the dried reagents, but minimizes unwanted dispersal within the flow. Micro-engineered liquid flow dissolves solids without dispersing them 2019-10-08T04:00:00Z Various sensors monitor the progress and purity of the reactions, altering the flow and amounts of reagents to optimize conditions. Who shrank the drug factory? Briefcase-sized labs could transform medicine 2019-11-11T05:00:00Z However, the reactions often require an excess of this reagent, are slow, and do not always proceed to completion, with 60–70% as the typical yield. Double-click enables synthesis of chemical libraries for drug discovery 2019-10-01T04:00:00Z But machine learning requires training data, such as those on reagents, conditions and starting materials. Look out for potential bias in chemical data sets 2019-09-10T04:00:00Z “If we don’t get reagents soon, that will become a problem for us,” she added. Coronavirus testing process lacks key ingredient, causing confusion 2020-03-11T04:00:00Z Each reaction requires a different reagent, which is dried and pre-stored on the cartridge before the sample is added. Micro-engineered liquid flow dissolves solids without dispersing them 2019-10-08T04:00:00Z And a central purchasing system will also be introduced across research centres, which will handle frequently-bought supplies such as materials, reagents, and office supplies. South Korea’s ‘Nobel prize project’ gets overhaul 2019-09-10T04:00:00Z “Then we fertilised them and added Crispr reagents to alter their genetic structure before implanting the embryos into a surrogate sheep’s uterus.” Mutant sheep are being bred in lab to fight lethal child brain disease 2019-08-24T04:00:00Z It might be based on a recommendation passed from supervisor to graduate student, or simply on how easy reagents are to find or buy. Look out for potential bias in chemical data sets 2019-09-10T04:00:00Z To save money, she avoids buying new equipment and doing experiments that require expensive tools or reagents. Mexican science suffers under debilitating budget cuts 2019-08-07T04:00:00Z By contrast, when dried reagents are dissolved by a liquid in a simple, unstructured microchannel, dispersion processes cause the reagents to become concentrated at the moving front of the liquid. Micro-engineered liquid flow dissolves solids without dispersing them 2019-10-08T04:00:00Z But first, Akam says, she organized his lab space and created exhaustive lists of reagents. The biologist overturning evolutionary doctrine 2019-07-02T04:00:00Z Not only did the wind and conditions scatter their sample tubes and reagents, but sequencing for even a few hours completely drained their laptop battery. Turning discarded DNA into ecology gold 2019-06-24T04:00:00Z At EMBL, reagents arrive within a few days of ordering and at much lower cost than in Russia. Europe is a top destination for many researchers 2019-05-20T04:00:00Z A system of reagent bottles and naked circuit boards tethered to a laptop lies silent. A DIY approach to automating your lab 2019-05-19T04:00:00Z A liquid sample entering from the inlet first passes down one side, and then fills the side containing the reagents. Micro-engineered liquid flow dissolves solids without dispersing them 2019-10-08T04:00:00Z “Besides this targeted sickle mutation, what other areas in the human genome, that’s so huge, might be targeted by the same reagents?” asks Walters. Stem-cell and genetic therapies make a healthy marriage 2019-05-14T04:00:00Z Spencer also used expired chemicals and reagents in his lab, according to two former employees. The Birth-Tissue Profiteers 2019-05-07T04:00:00Z Assembled from a blend of commercially available parts and components, Burke’s $75,000-machine drives syringe pumps to push solvents, reagents, products and waste through three reaction stations. Automation: Chemistry shoots for the Moon 2019-04-22T04:00:00Z “We tested chemical reagents, organic solvents, mineral abrasives,” he said. For Notre-Dame, lessons from a fire-damaged New York cathedral 2019-04-18T04:00:00Z Air pushed ahead of the moving front of the liquid escapes through a vent. b, The dried reagents dissolve, and the resulting solution spills over the shallow barrier to fill the whole channel. Micro-engineered liquid flow dissolves solids without dispersing them 2019-10-08T04:00:00Z Scientists are also worried about the fate of the Beltsville lab’s unparalleled collection of more than 1000 T. gondii strains and its trove of tissue samples and reagents. Scientists decry USDA's decision to end cat parasite research 2019-04-09T04:00:00Z For example, it guides chemists to select a specific set of reagents, reactions or conditions when devising the synthesis of a target compound. Machine learning speeds up synthesis of porous materials 2019-02-25T05:00:00Z A machine for synthesizing small molecules at the University of Illinois at Urbana–Champaign relies on syringe pumps to push reagents into reaction stations.Credit: Automation: Chemistry shoots for the Moon 2019-04-22T04:00:00Z It also takes months for her to receive reagents and other basic lab essentials. Responding to the call of home 2019-02-04T05:00:00Z The system allows multiple reagents to be dissolved in a liquid sample without being mixed together by dispersion. Micro-engineered liquid flow dissolves solids without dispersing them 2019-10-08T04:00:00Z The power of these top labs extends to samples, data and even technology: Proprietary chemical reagents let them isolate and enrich ancient samples much more accurately and cost-effectively than other labs can. Is Ancient DNA Research Revealing New Truths — or Falling Into Old Traps? 2019-01-17T05:00:00Z Many reagents and other supplies, such as antibodies and cell-growth media, are imported. Looming Parliament vote boosts Brexit jitters for U.K. scientists 2018-12-05T05:00:00Z But he was intrigued enough to try it — and subsequently devised an alternative version that uses conventional fluorescent proteins or antibodies rather than specially designed labelling reagents. Transparent tissues bring cells into focus for microscopy 2018-12-03T05:00:00Z Then a robotic arm dispenses droplets of chemical reagents—for extracting and isolating proteins—into each hollow. Molecular Microscope Lets Scientists Peer inside Single Cells 2018-12-01T05:00:00Z Many valued reagents and catalysts used in the preparation of organic compounds are highly reactive and are therefore incompatible with exposure to the open atmosphere — in some cases, dangerously so. Practically simple reactions convert hydrocarbons to precious chemicals 2018-11-11T05:00:00Z Clinicians will get training, a backpack-sized sequencer, a year’s worth of chemical reagents and access to an online platform to crunch through their data and compare them to databases of known microbes. Daily briefing: Canuck botanists embrace cannabis 2018-10-16T04:00:00Z The reasons can include multiple factors, such as imprecise methods, bad reagents and flaws in data collection. Proof of the Impossible? A Mathematical Journey 2018-10-09T04:00:00Z Crucially, the reagents required are not particularly exotic, even if some dabbling is required to identify the right formulation. Transparent tissues bring cells into focus for microscopy 2018-12-03T05:00:00Z But with a price tag of nearly a US$1 million, not including reagents and routine maintenance, NovaSeq is a heavy investment. The clinical code-breakers 2018-10-07T04:00:00Z Installing these girders is challenging, and necessitates the use of highly reactive reagents. Practically simple reactions convert hydrocarbons to precious chemicals 2018-11-11T05:00:00Z But question marks hang over a string of issues, including how the United Kingdom should manage its nuclear research outside the EU, and whether the import of scientific equipment and reagents will be affected. Brexit is already damaging European science 2018-09-25T04:00:00Z Preprints lead to scientific collaborations, reagent requests and adoption of new techniques. Preprints are good for science and good for the public 2018-08-28T04:00:00Z But that method was incompatible with today’s fluorescent reagents, and damaging to tissue structures. Transparent tissues bring cells into focus for microscopy 2018-12-03T05:00:00Z Their tasks include analysing soil or rock samples, testing medical devices, helping to design bioreactors and optimizing the shelf life of reagents. How working as a research technician can bolster your scientific career 2018-08-20T04:00:00Z Moreover, the process does not require the use of highly reactive and fragile reagents. Practically simple reactions convert hydrocarbons to precious chemicals 2018-11-11T05:00:00Z Working with Schroth, his team modified the GAIIx recipes to accept new reagents, introduce pauses, adjust the running temperature and alter the imaging parameters. The hackers teaching old DNA sequencers new tricks 2018-07-23T04:00:00Z Most of the time we buy our own reagents and solvents with our salaries. How to deliver sound science in resource-poor regions 2018-07-23T04:00:00Z "You have a great group of people in DRC who are ready to do this work, but they don't have the reagents needed for surveillance," she says. Congo’s Ebola outbreak is all but over. Did an experimental vaccine help? 2018-07-18T04:00:00Z On the basis of product, the slide stainer market is segmented into reagents, equipment, and consumables & accessories. Global Slide Stainer Markets to 2023: Analysis by Product, Technology and End User - High Growth Opp 2018-07-11T04:00:00Z The new reactions seem to involve an orchestrated set of events wherein the alkene first attaches to a catalytic nickel complex, which is generated in situ by a process that involves the silane reagent. Practically simple reactions convert hydrocarbons to precious chemicals 2018-11-11T05:00:00Z At their core, these instruments are high-end microscopes coupled with liquid handlers that help to move reagents around. The hackers teaching old DNA sequencers new tricks 2018-07-23T04:00:00Z Both countries went head-to-head in mid-June over tariffs on a long list of goods that includes lab equipment and reagents. US–Chinese trade war puts scientists in the cross hairs 2018-06-21T04:00:00Z Maintaining lab supplies of research reagents and other consumables is notoriously problematic in Russia, O'Brien adds. World Cup ban on radioactive chemicals frustrates Russian biochemistry labs 2018-06-12T04:00:00Z And reagents are wasted when loading cells at low densities to ensure only one goes into each droplet. Single-cell approaches to immune profiling 2018-05-21T04:00:00Z But the lab itself is palatial: two stories of white brick walls, industrial kitchen counters marked with dry-erase notes, shelves towering with glassware and reagents. As D.I.Y. Gene Editing Gains Popularity, ‘Someone Is Going to Get Hurt’ 2018-05-14T04:00:00Z That, he says, is because the GAIIx was an ‘open system’, controlled using editable configuration files called recipes and loaded up with reagents that could be changed simply by substituting one tube for another. The hackers teaching old DNA sequencers new tricks 2018-07-23T04:00:00Z The difficulties lie in obtaining the necessary precursors and reagents, and safely preparing the agent without self-exposure. How to curb production of chemical weapons 2018-04-12T04:00:00Z Russian production capacities are scarce, and severe customs restrictions effectively bar scientists who depend on radio-labelled reagents from legally purchasing them from foreign suppliers, Severinov says. World Cup ban on radioactive chemicals frustrates Russian biochemistry labs 2018-06-12T04:00:00Z We always had to be wary of new companies/individuals, since a few times they were just people who intended to use our company to produce experimental grade reagents and sell them later. At the Heart of a Vast Doping Network, an Alias 2018-03-26T04:00:00Z The company ultimately hopes to develop and commercialize gene-editing tools, including instruments, reagents and software. Gene-editing startup Inscripta raises $55.5 million 2018-02-28T05:00:00Z Schroth says that between the reagents, the hardware and the analysis tools, these assays are so customized that they could prove difficult to reproduce in other labs, at least without a knowledgeable insider to help. The hackers teaching old DNA sequencers new tricks 2018-07-23T04:00:00Z For example, chlorine is a common industrial reagent as well as a suffocating gas. How to curb production of chemical weapons 2018-04-12T04:00:00Z To prevent delays and frustrating disruptions to their research, scientists in Russia must order such reagents several weeks in advance, through their institution’s procurement department. World Cup ban on radioactive chemicals frustrates Russian biochemistry labs 2018-06-12T04:00:00Z It is also sending reagents for Nigeria’s laboratories to speed up diagnoses. Lassa Fever Erupts in Nigeria 2018-02-16T05:00:00Z The company ultimately hopes to develop and commercialize gene-editing tools, including instruments, reagents and software. Gene-editing startup Inscripta raises $55.5 million 2018-02-28T05:00:00Z An automated inventory system can free money that would otherwise be spent on paying someone to keep tabs on the thousands of reagents commonly used by large chemistry labs. How going green can raise cash for your lab 2018-02-06T05:00:00Z By adding different reagents and solvents at the right times and in a precise order, they were able to convert simple, widely available starting compounds into a muscle relaxant called baclofen. You could soon be manufacturing your own drugs—thanks to 3D printing 2018-01-18T05:00:00Z This is a tricky task, and one that requires some biochemical training and often the use of centrifuges and expensive reagents. Taking DNA sequencing into the field 2017-12-07T05:00:00Z The result is a chemical fingerprint, or “breath biopsy”, with no chemicals, needles or reagents necessary. A breathalyser for disease 2017-11-30T05:00:00Z He introduced new methods, reagents and strategies for the selective construction of organic molecules, and found new ways to think about bond formation. Gilbert Stork (1921–2017) But the Hoekstra lab’s experience shows that there are other reasons to pool surplus reagents, share equipment or keep better tabs on lab chemicals to avoid duplicate purchasing. How going green can raise cash for your lab 2018-02-06T05:00:00Z These workers need to be present for most synthesis steps, and run the risk of being exposed to dangerous reagents in the process. You could soon be manufacturing your own drugs—thanks to 3D printing 2018-01-18T05:00:00Z In A Study in Scarlet, for instance, Holmes exclaims, “I have found a reagent which is precipitated by haemoglobin, and by nothing else.” Fiction: The science in Sherlock Holmes : Nature : Nature Research 2017-09-19T04:00:00Z We decided to buy shared batches of reagents from the start. A long journey to reproducible results 2017-08-21T04:00:00Z IBI Scientific manufactures bench-top laboratory equipment, nucleic acid purification products, electrophoresis products, molecular biology reagents, polymerase chain reaction enzymes and more. Iowa company creates products needed for scientific research 2017-08-19T04:00:00Z Moreover, good reagents will be requested hundreds of times, but few labs want to process that many requests. Open data: enforce materials sharing : Nature : Nature Research 2017-07-25T04:00:00Z Companies selling reagents and equipment flourished, often inflating their prices. Don't run biomedical science as a business 2017-07-24T04:00:00Z The reagent FuPa was used to digest the modified primer sequences after amplification. Genomic epidemiology reveals multiple introductions of Zika virus into the United States : Nature : Nature Research 2017-05-23T04:00:00Z The group said it will contact North Korea via email to try to provide North Korea with insecticides, diagnostic reagent kits and mosquito repellants and nets. S. Korea OKs civilian contact with North Korea over malaria 2017-05-26T04:00:00Z Two mobile laboratories are on their way, as are personal protective equipment for frontline responders, reagents for 100 tests, and GPS’s for field crews. As Ebola outbreak grows, question of using vaccine becomes more urgent 2017-05-18T04:00:00Z Reporter David Cyranoski explains why researchers are worrying about counterfeit reagents in China. The secret war against counterfeit science 2017-05-09T04:00:00Z If the question of reproducibility persists once the requisite expertise is established, the answers often reside in subtle differences in methods, cell-line properties or reagents that become apparent only after scrutiny. Remember why we work on cancer 2017-03-27T04:00:00Z He loved physically doing science: designing his experiments, mixing his own reagents and building new equipment when what he wanted was not commercially available. Oliver Smithies (1925-2017) : Nature : Nature Research 2017-02-07T05:00:00Z Replication teams spent many hours working with the original authors to chase down protocols and reagents, in many cases because they had been developed by students and postdocs who were no longer with the lab. Cancer reproducibility project releases first results 2017-01-17T05:00:00Z Logistics are more difficult when researchers conduct physical experiments with common reagents. How to turn competitors into collaborators 2017-01-16T05:00:00Z Finally, he discovered that a reagent used to introduce DNA into cells was hampering his replication efforts. The secret war against counterfeit science 2017-05-09T04:00:00Z “We have powerful reagents, but how do you get them into the cells?” Plant-genome hackers seek better ways to produce customized crops 2016-11-01T04:00:00Z It seems like the most elementary of research principles: Make sure the cells and reagents in your experiment are what they claim to be and behave as expected. Validate your antibodies to improve reproducibility? Easier said than done 2016-09-28T04:00:00Z The embargo creates constant problems for researchers, who complain about how long it takes to obtain reagents. Can Cuban science go global? 2016-09-27T04:00:00Z Alexei Kiselyov, an official at Greenpeace Russia, said iron salts are a mildly toxic reagent and it was impossible to say if there was damage to local fauna without investigating the site. Russia's 'blood river' spill shouldn't happen again, plant operator says 2016-09-15T04:00:00Z “The last thing you think about is the reagent,” he says. The secret war against counterfeit science 2017-05-09T04:00:00Z Currently, the bonds are made using expensive specialized reagents or the highly corrosive gas hydrogen fluoride. The new breed of cutting-edge catalysts 2016-09-05T04:00:00Z Reasons for the gaps in provision included lack of reagents, equipment not being installed or maintained properly and inadequate or absent staff training. HIV effort let down by test shortages, says WHO - BBC News 2016-08-23T04:00:00Z As the name suggests, the method involves harvesting the mitochondrial DNA that’s available and using reagents and enzymes to concentrate and amplify it. Scientists Solve Mystery of 5,300-Year-Old Ice Man's Clothes 2016-08-18T04:00:00Z He adds that some graduate students might be working too fast and not being careful with reagents. Replications, ridicule and a recluse: the controversy over NgAgo gene-editing intensifies 2016-08-07T04:00:00Z “For each experiment there are one or two reagents that are a bottleneck,” Huang says. The secret war against counterfeit science 2017-05-09T04:00:00Z But the reagents contained strong acids that leaked and burned the investigators. How a $2 Roadside Drug Test Sends Innocent People to Jail 2016-07-07T04:00:00Z Only 44% of researchers with more than 10 years of experience validated antibodies “obtained from another source,” such as a fellow researcher who shares a reagent. Survey finds laissez-faire attitude toward validating antibodies 2016-07-06T04:00:00Z Nearly one-third of junior scientists spend no time validating antibodies, even though accurate results depend on these reagents working as expected, according to the results of a survey reported today in BioTechniques1. Biomedical researchers lax about validating antibodies for experiments 2016-06-29T04:00:00Z For example, we switched to using enzymes as reagents in the synthesis of small molecules, moving away from convention reactions catalysed by transition metals. Industrial research: Drug companies must adopt green chemistry 2016-05-30T04:00:00Z It was that logic that in 2012 helped convince government officials to amend regulations, enabling expedited imports of biological reagents. The secret war against counterfeit science 2017-05-09T04:00:00Z A smaller proportion pointed to obstacles such as variability in reagents or the use of specialized techniques that are difficult to repeat. 1,500 scientists lift the lid on reproducibility 2016-05-24T04:00:00Z This requirement will apply to all of the results — positive and negative — as well as models, algorithms, reagents and software. Data sharing: Access all areas : Nature : Nature Publishing Group 2016-05-10T04:00:00Z The group, based in Washington DC, is devoted to improving biomedical research — in part by making reagents more reliable in biomedical experiments. Biomedical researchers lax about validating antibodies for experiments 2016-06-29T04:00:00Z Experimental reagents and protocols should be freely available to allow researchers to reproduce experiments; this is not always the case, and even when it is, most are encumbered by legal agreements that restrict their use. Perspective: Science is still too closed : Nature : Nature Publishing Group 2016-05-10T04:00:00Z The counterfeiters will try to find an antibody of similar molecular weight so that scientists who do a quick test to verify the reagents won’t be alarmed. The secret war against counterfeit science 2017-05-09T04:00:00Z Under the terms of the agreement, all unpublished results are shared between the collaborators, along with reagents, technology and technical know-how. Competition: Unlikely partnerships : Nature : Nature Publishing Group 2016-05-10T04:00:00Z Agree sharing policies for reagents, data, patents and other intellectual property. Policy: Security spending must cover disease outbreaks 2016-05-02T04:00:00Z This reagent contains a substance that will be converted into a colored product by the enzyme. You don’t know if that’s beef: The animals mixed into your meat might shock — and disgust — you 2016-04-30T04:00:00Z It is also where other scientists immediately turn to get their hands on these reagents. CRISPR: gene editing is just the beginning 2016-03-06T05:00:00Z Currently we are just finishing up the production of reagents that are sufficient to do 100,000 tests for prior infection with Zika. CDC Director Talks Challenges of Fighting Zika 2016-02-22T05:00:00Z MinION sequencing requires a mix of chilled and frozen reagents. Real-time, portable genome sequencing for Ebola surveillance : Nature : Nature Publishing Group 2016-02-02T05:00:00Z Scientists should specify criteria for age and storage of all important reagents. How quality control could save your science 2016-01-26T05:00:00Z Kits and reagents bought from commercial vendors allow scientists to do more research in a fraction of the time needed for ‘home-brew’ experiments with reagents created in the lab. Repetitive flaws 2016-01-19T05:00:00Z This is especially important in a world where science is global, where materials and reagents are distributed by central suppliers and where it is easier than ever to access published data. Genome-editing revolution: My whirlwind year with CRISPR 2015-12-21T05:00:00Z Publishers are also getting involved: around a dozen journals this year began asking their authors to use unique identifiers for their reagents as part of a push by the Resource Identification Initiative. 365 days: The science events that shaped 2015 2015-12-16T05:00:00Z We are thankful for the generous support of reagents and technical support from Oxford Nanopore. Real-time, portable genome sequencing for Ebola surveillance : Nature : Nature Publishing Group 2016-02-02T05:00:00Z Microbiology’s most important reagent is in short supply, with potential consequences for research, public health and clinical labs around the world. Lab staple agar hit by seaweed shortage 2015-12-07T05:00:00Z Collectively, the message is: show your work, and don’t fool yourself with unreliable reagents or shoehorned data. Repetitive flaws 2016-01-19T05:00:00Z These are tiny analytical devices that transport fluids such as blood through channels half a millimetre or less in diameter, in order to carry them into chambers that hold analytical reagents. Chilled out 2015-11-19T05:00:00Z These asked grant reviewers to look for flaws in experimental design that might introduce bias and requested that grant applicants describe how they will authenticate reagents. 365 days: The science events that shaped 2015 2015-12-16T05:00:00Z MinION sequencing requires a mix of chilled and frozen reagents. Real-time, portable genome sequencing for Ebola surveillance : Nature : Nature Publishing Group 2016-02-02T05:00:00Z This was achieved by making ‘scrambled’ cages from a mixture of commercially available reagents. Liquid with Holes in It Created 2015-11-16T05:00:00Z They might try to determine what a substance is with a liquid reagent test, which can be conducted inexpensively at home, or they could send it to a lab through Erowid’s EcstasyData program. A Field Guide to Psychedelics 2015-11-23T05:00:00Z Andone more step - they had to master the combination of general and specific reagents or chemical substances that would make the test specific for all four herpes strains. Scientists, vets working at Houston Zoo to save elephants 2015-10-18T04:00:00Z The possibilities include vitamin and mineral premixes, livestock vaccines or antibiotics approved for animal feed -- the majority of which are either produced in China, or use ingredients or reagents from China, the report said. Deadly piglet virus may have entered U.S. on 'reusable' feed bags: USDA 2015-10-01T04:00:00Z A January workshop in Oxford, UK, listed more than 500 tasks that authors might want to be credited for, she says; examples include developing experimental protocols, taking photographs, developing validated surveys or providing lab reagents. Digital badges aim to clear up politics of authorship 2015-09-27T04:00:00Z Typically, these solutions, known as reagents, need to be refrigerated. Teens Who Won Google Science Fair Took a Leap of Imagination 2015-09-23T04:00:00Z That moratorium is now expanded to critical reagents and other agents and toxins. Anthrax scandal: US army orders new toxins crackdown - BBC News 2015-09-03T04:00:00Z Sound practices such as blinding, multiple repeats, validated reagents and appropriate controls4 are dismissed as luxuries or nuisances. Robust research: Institutions must do their part for reproducibility 2015-08-31T04:00:00Z Natural chitin is a crystalline material that prevents reagents from easily accessing the polymer chains. Sustainability: Don't waste seafood waste 2015-08-09T04:00:00Z If planned properly, it also consumes all the reagents in the mix, so that there is no waste and no need for chemical-intensive purification. The slow-chemistry movement 2015-08-03T04:00:00Z Hallisey used the silk derivative to make her reagents and found that the test performed just as well after one week with no refrigeration. Teens Who Won Google Science Fair Took a Leap of Imagination 2015-09-23T04:00:00Z “We believe that providing high-fidelity metadata for reagents and methods coupled with linkage to experimental data will help to improve the reproducibility problem,” he explains. Lab-inventory management: Time to take stock 2015-08-02T04:00:00Z A band of more than 50 scientists has created a website to help biologists avoid poor-quality chemical reagents that undermine experiments in molecular biology and drug discovery. Scientists unite to warn against flawed chemical reagents 2015-07-20T04:00:00Z It needs a sustainable fractionation method to separate proteins, calcium carbonate and chitin — one that avoids corrosive or hazardous reagents and minimizes waste. Sustainability: Don't waste seafood waste 2015-08-09T04:00:00Z However, Begley, now at TetraLogic Pharmaceuticals in Malvern, Pennsylvania, wrote a follow-up commentary in Nature describing the six main problems he found, including a lack of proper controls, faulty statistics, and failure to validate reagents. Feature: Cancer reproducibility effort faces backlash 2015-06-25T04:00:00Z It manufactures and sells medical devices, instrument systems and reagents used by healthcare institutions, life science researchers, clinical laboratories, industry and the general public. U.S. Health Care Companies Enjoy Big Opening In India 2015-06-09T04:00:00Z As new reagents are developed or acquired, they are logged in the system, which assigns each one a unique identifier. Lab-inventory management: Time to take stock 2015-08-02T04:00:00Z The new portal will recommend probes for use with particular proteins as well as specify recommended experimental systems and concentrations at which to use the reagents. Scientists unite to warn against flawed chemical reagents 2015-07-20T04:00:00Z The researchers sought to determine the relative contributions of four sources of irreproducibility identified in an earlier analysis2: study design; laboratory protocols; biological reagents and reference materials; and data analysis and reporting. Irreproducible biology research costs put at $28 billion per year 2015-06-08T04:00:00Z Among other solutions, researchers should receive better training in study design, and vendors and scientists should sell and use only validated reagents, the PLOS Biology commentary concludes. Study claims $28 billion a year spent on irreproducible biomedical research 2015-06-09T04:00:00Z The scientific literature is full of references to reagents, antibodies, tissue samples and software tools, but these are often referenced so poorly that it is hard for other researchers to pinpoint the exact materials used. Researchers argue for standard format to cite lab resources 2015-05-28T04:00:00Z All of the sequencing runs were conducted by the same person using the same reagents, lowering the risk of unintentional bias. Potential flaws in genomics paper scrutinized on Twitter 2015-05-19T04:00:00Z Christi Bird, a Frost & Sullivan analyst based in Washington DC, says that researchers are often more interested in how quickly reagents can be delivered than in searching for antibodies with appropriate validation data. Reproducibility crisis: Blame it on the antibodies 2015-05-18T04:00:00Z Freedman hopes that his latest work will help to convince scientists that taking small steps, such as better documenting of protocols and the use of certified reagents, could produce large gains in reproducibility. Irreproducible biology research costs put at $28 billion per year 2015-06-08T04:00:00Z “It's tremendously difficult” to buy genuine reagents and other supplies, says Agustin Lage, director of the Center of Molecular Immunology here. Feature: In from the cold 2015-05-14T04:00:00Z A single, standard format to identify resources such as model organisms and reagents used in published experiments is catching on with researchers and journals, its originators claim. Researchers argue for standard format to cite lab resources 2015-05-28T04:00:00Z Neither amount is sufficient to purchase the necessary laboratory reagents and consumables to conduct research. Perspective: Give youth a chance : Nature : Nature Publishing Group 2015-04-28T04:00:00Z “Most vendors have no incentive to change what's going on right now, even though a lot of the antibody reagents suck.” Reproducibility crisis: Blame it on the antibodies 2015-05-18T04:00:00Z The guidance includes aims such as making crucial data sets available on request, and providing thorough descriptions of cell lines, animals, antibodies and other reagents used in experiments. US societies push back against NIH reproducibility guidelines 2015-04-16T04:00:00Z We estimate that using current technology, roughly $1 billion would be required to generate characterized recombinant binding reagents to target the primary products of all 20,000 human genes. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z Through what it says is a combination of proprietary microfluidic hardware, chemical reagents, and software, 10X Genomics aims to index the genome before it gets run through a conventional sequencing machine. Stealthy 10X Genomics Raises $55.5M To Beef Up DNA Sequencing 2015-01-12T05:00:00Z These molecules are potent and specific reagents that can be used to identify, isolate and perturb nearly any molecule or cell of interest. Immunology: Fifty years of B lymphocytes 2015-01-05T05:00:00Z But by the late 1990s, reagent companies had started to take over the chore. Reproducibility crisis: Blame it on the antibodies 2015-05-18T04:00:00Z With the increase in healthcare services and screening of patients at hospitals and clinics, Indonesia will require more supplies of medicines, reagents, laboratory equipment, medical devices, skilled healthcare workers, and hospital beds. Emerald of the Equator: Indonesia the Next Healthcare Frontier 2014-12-29T05:00:00Z If these steps are taken, scientists will not want to use unsequenced binding reagents, and the absence of sequencing information will lead to market disadvantages for vendors. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z Stuelpnagel said, “this is really a new way to deliver reagents in a very parallel and miniaturized format and we believe that this reagent delivery technology will have many unique applications.” Stealthy 10X Genomics Raises $55.5M To Beef Up DNA Sequencing 2015-01-12T05:00:00Z An essential reagent for deliberative democracy is truth, and the truth is this: the implied premise of politicians directing the police is that we elect the politicians. Rand Paul is right about police brutality: our laws are a huge part of the problem 2014-12-06T05:00:00Z The reagent substances used in the test, which detects the genetic material of the virus, are available as dried pellets that do not need cold storage. New 15-Minute Test for Ebola to Undergo Trials in West Africa 2014-11-28T05:00:00Z The market is anticipating a steep rise in demand for hospital beds, medical devices, diagnostic tests and reagents, pharmaceutical drugs and skilled manpower in the next two to three years. Emerald of the Equator: Indonesia the Next Healthcare Frontier 2014-12-29T05:00:00Z If all antibodies were defined by their sequences and made recombinantly, researchers worldwide would be able to use the same binding reagents under the same conditions. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z But depending which kit they used, which reagents, which lab, their results contained DNA from up to 270 different bacterial strains. Microbiome Studies Contaminated By Sequencing Supplies 2014-11-11T05:00:00Z Then they repeatedly diluted the broth, testing it each time using several DNA isolation kits and other laboratory reagents and methods. Contamination plagues some microbiome studies 2014-11-11T05:00:00Z “If you look back in the literature, there’s been stuff about contamination in reagents going back decades.” Microbiome science threatened by contamination 2014-11-11T05:00:00Z It works to boost outbreak preparedness and response by arranging the exchange of data, viruses, reagents and testing methods, and it develops and validates tests for emerging and rare diseases. Leader of European virus-response network unseated 2014-11-09T05:00:00Z Some alternative reagents are easier to use and manufacture than antibodies. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z It would understand that hope is the most dangerous of all political reagents. A yes vote in Scotland would unleash the most dangerous thing of all - hope 2014-09-09T04:00:00Z They find that most testing kits and other reagents for analyzing DNA contain stray microbial DNA that can overpower the signal of the native bacteria. Contamination plagues some microbiome studies 2014-11-11T05:00:00Z The final result: LAL reagent that is the universal standard ensuring medical equipment is free from bacteria. Va. facility processes crab blood for med tests 2014-08-31T04:00:00Z The Re:Search collaborations include the sharing of drug compounds, compound libraries, computational chemistry, data, clinical samples, reagents and general drug-development expertise. Guest: Ebola needs a new model of drug development 2014-08-11T04:00:00Z In practice, improving the quality of protein-binding reagents will require two steps. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z His team then spent years cleaning up the data — identifying entries that lack crucial information about reagent compatibility or reaction conditions. Organic synthesis: The robo-chemist 2014-08-05T04:00:00Z Companies and centres that distribute cells and reagents are now fastidious in screening for it. Contamination hits cell work 2014-07-28T04:00:00Z This lets Nair’s team direct film growth inside the fiber or on its inner or outer surfaces through different reagent and solvent permutations. New Molecular Sieve Offers Greener Way to Filter Chemicals 2014-07-09T04:00:00Z So our universities lack the support offices that North American and European researchers rely on to help with ordering equipment and reagents, paying invoices, financial reporting, contract negotiation and account monitoring. Capacity building: Architects of South American science 2014-06-10T04:00:00Z The absence of these reagents in the research-antibody marketplace stems mostly from economic considerations, rather than technical challenges. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z Bottles of reagents line the shelves; glassware blooms from racks of wooden pegs; and scientists stoop over the bench as they busily build molecules. Organic synthesis: The robo-chemist 2014-08-05T04:00:00Z The liquid reagents are known to react with nitrates. Radioactive leak shuts down neutrino study 2014-06-03T04:00:00Z I taught them about chemomute, a chemical reagent used to bring about targeted genetic mutation. Variations : Nature : Nature Publishing Group 2014-05-27T04:00:00Z Working in a modern lab also entails using sensitive apparatuses, rare technical skills and biological reagents—antibodies and enzymes, for example—which are themselves variable. The “Crisis” in Scientific Results Is a Matter of Biology 2014-05-14T04:00:00Z Consequently the reagents used in most clinical trials and especially in medical procedures cleared by the US Food and Drug Administration or the European Medicines Agency are extremely reliable. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z And finally, it must be able to automatically carry out that sequence using real reagents inside a robotic reactor. Organic synthesis: The robo-chemist 2014-08-05T04:00:00Z “We need to think about animals as more like human subjects,” he says, “than as controllable reagents.” Male Researchers Stress Out Rodents 2014-04-28T19:55:00Z In the course of their work, researchers or members of their team may produce a prototype of some sort a new chemical, say, or a biological reagent. A guide for the innovator 2014-04-09T17:20:48.002Z Since French intelligence officers were worried about the security of their own secret correspondence, Bayle developed a special secret ink requiring four different reagents used in a set order. Invisible Ink War: How Chemists Revealed Germany’s Secret WW I Writing [Excerpt] 2014-04-05T11:30:00Z Central to reproducibility1 in biomedical research is being able to use reagents that are identical to those described in publications. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z The intuitive way to study a bimolecular reaction is to induce a collision between separate reagents and then track the ensuing events. [Report] Imaging Dynamics on the F + H2O → HF + OH Potential Energy Surfaces from Wells to Barriers 2014-01-23T19:26:14.258Z The molecules in the crystal are held rigid, and there is no way to introduce new reagents or catalysts. [Perspective] A Clear Path for Polymer Crystallization 2014-01-16T18:55:57.496Z Investigators in academia or industry hear about that reagent and start to request it. A guide for the innovator 2014-04-09T17:20:48.002Z Once they did this, they could try to find an appropriate reagent. Invisible Ink War: How Chemists Revealed Germany’s Secret WW I Writing [Excerpt] 2014-04-05T11:30:00Z This would reduce costs and increase efficiency in the key bottlenecks: the production of reagent targets, the selection of binding reagents and their downstream characterization. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z Each kit contains an informative instruction book and enough reagents to repeat up to 50 tests. World Water Monitoring Challenge 2013-09-03T15:15:14.853Z And so I said, I don’t know what reagent you want. The Straight Dope: A Q&A with the Prof Behind the Good Science in Breaking Bad 2013-08-21T13:45:00.533Z The 'customers' get good results, demand the reagent in increasing quantities, perhaps become willing to pay a bit more and, voila, a business is up and running. A guide for the innovator 2014-04-09T17:20:48.002Z One niche is research positions, either at drug-development companies or at firms developing reagents and research materials for use by academic or industry scientists. Life sciences: Industrial immunology 2013-08-14T18:20:31.837Z Making sequenced well-characterized reagents is alone unlikely to change the behaviour of researchers. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z The Nitabach lab is glad to share knowledge of the technique and is glad to help any scientists who want in on the technique to obtain the reagents. Lighting up the brain with ArcLight 2013-08-12T13:45:03.067Z I wouldn’t go back to them and suggest another reagent because it might be safer, cheaper or have a higher yield, I just said “yes sir.” The Straight Dope: A Q&A with the Prof Behind the Good Science in Breaking Bad 2013-08-21T13:45:00.533Z On 30 July, Science Exchange launched a programme with reagent supplier antibodies-online.com, based in Aachen, Germany, to independently validate research antibodies. NIH mulls rules for validating key results 2013-07-31T17:20:16.890Z In the two or three months after we published the research in 2002, about 1,500 people asked for our reagents. Turning point: Thijn Brummelkamp 2013-07-17T17:20:42.927Z To stem this loss, we call for an international collaboration and funding initiative to define all binding reagents according to the sequences that encode them. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z This year's cuts may mean ordering fewer transgenic mice, or not replacing broken equipment, or working with fewer reagents, researchers say. Sequester's 5% Cut Rolls Through Biomedical Labs 2013-05-21T17:55:00Z That reagent turned out to be obscure, and I had to go to a German patent from the 1950s to get the information to make the calculation. The Straight Dope: A Q&A with the Prof Behind the Good Science in Breaking Bad 2013-08-21T13:45:00.533Z The chemical conversion procedure is notable for its simplicity, scalability, economy of reagents, and the high yield obtained. High-level semi-synthetic production of the potent antimalarial artemisinin 2013-04-26T14:21:10.803Z Thermo said it was having a bigger impact on capital spending than on consumables and reagents used in biotech and pharmaceutical development. UPDATE 1-Thermo Fisher profit tops Street view as Life awaits 2013-04-24T15:55:17Z Outside clinical trials, reagents are rarely validated to the same degree. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z Thanks to a note from reader Robert L., I can report that there is indeed such a reagent: chlorine trifluoride. Boot up: Bitcoin crashes, PCs dwindle, the truth about Summly and more 2013-04-11T05:30:00Z Sharing reagents and methods is not that difficult, and it is already mandated by funding agencies. If a job is worth doing, it is worth doing twice 2013-04-03T17:20:04.780Z It’s to the credit of these scientists that they haven’t held their valuable reagents and techniques close to their chest but are sharing them for everyone’s benefit. The GPCR Network: A model for open scientific collaboration 2013-01-16T23:15:02.547Z Like Complete Genomics, BGI sells sequencing services rather than equipment or reagents, but it relies chiefly on instruments made by Illumina. China buys US sequencing firm 2012-09-26T17:20:48.410Z Production costs for recombinant binding reagents — currently similar to those for monoclonals — should decrease as technologies improve, demand increases and processes become automated. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z Also favourable would be a tendency to ask insightful questions at talks that lead to valuable discussions and new experiments, or a willingness to share reagents and expertise with their colleagues. Count on me 2012-09-12T17:20:00.977Z Just as audacious is Bradner's commitment to making his reagents available and his ideas accessible to scientists and laypeople alike, a rare attitude in the highly competitive world of drug discovery. Cancer research: Open ambition 2012-08-08T17:20:31.413Z I augmented them, however, by purchasing other reagents from my local friendly pharmacist. Whatever happened to kids' chemistry sets? 2012-08-01T11:27:30Z We are grateful to S. Temple for the gift of reagents and the staff of the Hartwell Center for Bioinformatics and Biotechnology and ARC at St Jude Children’s Research Hospital for technical assistance. Novel mutations target distinct subgroups of medulloblastoma 2012-08-01T17:51:11.990Z However, we do not advocate the stockpiling of reagents against targets of minimal interest. Reproducibility: Standardize antibodies used in research 2015-02-03T05:00:00Z The "inks" would be simple reagents, from which more complex molecules are formed. The 'chemputer' that could print out any drug 2012-07-21T21:00:02Z He originally printed an array of commercially available reagents on an acetate membrane, measuring about 2.5 cm by 4 cm. Technology: The taste of things to come 2012-06-25T13:21:13.797Z Our data support the concept of targeted cell membrane repair in regenerative medicine, and present MG53 protein as an attractive biological reagent for restoration of membrane repair defects in human diseases. [Research Articles] Recombinant MG53 Protein Modulates Therapeutic Cell Membrane Repair in Treatment of Muscular Dystrophy 2012-06-20T18:55:41.627Z |
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