| 单词 | spectrometry |
| 例句 | Mass spectrometry data taken by military satellites indicates that the quickly swelling mutation is “an almost exact match to the Andromeda strain.” Review | Michael Crichton’s classic thriller ‘The Andromeda Strain’ gets a deadly sequel 2019-11-11T05:00:00Z The scientists used a technique called mass spectrometry to measure levels of volatile chemicals in sebum on swabs from Parkinson’s patients and healthy volunteers. 'Super-smeller' helps develop swab test for Parkinson's disease 2019-03-20T04:00:00Z Today, techniques involving infrared imaging, as well as x-ray photography, electron microscopy and mass spectrometry, many of them pioneered by the National Gallery, are mainstays in the business of art curation. What lies beneath 2010-06-19T23:05:00Z And not only do you want to read every word, but you find yourself relishing terms such as dendrochronology, Raman microscopy and energy dispersive X-ray spectrometry. National Gallery's forgeries are the real deal 2010-07-01T14:45:00Z Kavalier started looking at the chemical makeup of chocolate using a process called mass spectrometry. Washington’s supply of locally made chocolate is on the rise 2015-02-09T05:00:00Z Thackeray and his colleagues tested several of Shakespeare's clay tobacco pipes "using a sophisticated technique called gas chromatography mass spectrometry," the scientist writes. Was Shakespeare a stoner? Scientist finds cannabis residue in playwright's pipes 2015-08-10T04:00:00Z They used DNA sequencing, mass spectrometry and microbial culturing to look at the chemicals in the secretions and the microbes that make them. More than meows: How bacteria help cats communicate 2023-11-16T05:00:00Z Experts in mass spectrometry of lipids, however, disagree with Dalli’s explanation. University says it found no misconduct in anti-inflammatory research. Critics are unconvinced 2023-11-14T05:00:00Z Some of the mass spectrometry measurements were done at the Environmental Molecular Sciences Laboratory, a Department of Energy Office of Science user facility at PNNL. Vigorous exercise, rigorous science: What scientists learned from firefighters in training 2023-11-09T05:00:00Z By using a technique called mass spectrometry imaging, the researchers saw that vitamin B5 was associated with Myc-high areas of both mice and human transplanted tumours. Reducing vitamin B5 slows breast cancer growth in mice 2023-11-09T05:00:00Z The researchers then use a special mass spectrometry technique called MALDI-MS imaging to create a snapshot of the chemical compounds in the cells. The metabolism of bacteria under the microscope: New method reveals host-microbe interactions 2023-11-08T05:00:00Z After sampling the water, the researchers assessed the captured compounds with mass spectrometry. Device 'smells' seawater to discover, detect novel molecules 2023-11-08T05:00:00Z However, preparative mass spectrometry could soon open up completely new possibilities for these applications, for example, in the production of microchips, solar cells or biologically active coatings. Charged 'molecular beasts' the basis for new compounds 2023-11-03T04:00:00Z Traces of such events are found on Earth or the Moon and can be detected using accelerator mass spectrometry, or AMS for short. Exploding stars 2023-11-02T04:00:00Z The usual method used to detect such trace amounts involves chromatography and mass spectrometry, is time-consuming and expensive, and requires complex equipment and experienced personnel. Tracking down environmental toxins 2023-10-27T04:00:00Z First, gas chromatography and mass spectrometry were used to identify and measure the presence of geosmin and other compounds in both the water and fish. Pinpointing the emergence of muddy flavors in your fish 2023-10-19T04:00:00Z They used mass spectrometry to measure levels of the volatile molecules in gaseous form present before and after each treatment. Yogurt may be the next go-to garlic breath remedy 2023-09-19T04:00:00Z The most sophisticated and expensive purity testing method involves the use of x-ray spectrometry. Testing the Purity and Value of Gold 2018-04-09T04:00:00Z US prosecutors allege Kafrani negotiated with a US company to buy mass spectrometry equipment to be shipped to Iran through Canada and the UAE. Who is being freed in the Iran prisoner swap? 2023-09-18T04:00:00Z Sophisticated, precise use of mass spectrometry in World Cultural Heritage artifacts has been a boon to researchers and conservationists alike. Dracula may have wept blood on tear-stained letters, chemical analysis reveals 2023-08-24T04:00:00Z To find the answer, the researchers turned to mass spectrometry, a technique that can measure the mass of atomic isotopes. Cells Discovered Making ‘Dark Oxygen’ Underground 2023-08-22T04:00:00Z “It’s time to go back with state-of-the-art mass spectrometry and other instruments to look for life,” Lunine says. Giant plume spotted erupting from moon of Saturn might contain ingredients for life 2023-05-30T04:00:00Z Working with tiny paint swatches about the diameter of a pencil tip that were originally collected during the 1960s, the scientists used mass spectrometry to identify the proteins present in the samples. Beer was the backdrop to Danish Golden Age masterpieces 2023-05-23T04:00:00Z Other methods include gas chromatography/mass spectrometry systems such as the InspectIR test, which received emergency use authorization from the U.S. Astronomy Tool Can Now Detect COVID in Breath 2023-05-12T04:00:00Z Using spectrometry, the scientists could analyze the readings and learn about the type of elements on the planet's surface. Everything we thought we knew about Mars' moon Deimos could be wrong 2023-04-28T04:00:00Z The sample came in a non-specific capsule, but when ran through a mass spectrometry machine, which can easily detect the shape of molecules, no psilomethoxin was found. Church claims to have made a super-drug that combines shrooms and toad venom 2023-04-20T04:00:00Z Using methods such as mass spectrometry, scientists can analyze organic remains to determine how much 14C has decayed since the life form that absorbed it died. Marking time: Cosmic ray storms can pin precise dates on history from ancient Egypt to the Vikings 2023-04-13T04:00:00Z But he confirmed that the lab’s gas chromatography–mass spectrometry testing had been picking up indications of the drug’s presence in samples for years. LASD saw signs of deadly street drug 4 years ago, told health officials about it this month 2023-03-22T04:00:00Z The researchers extracted uracil, niacin and some other organic compounds in the Ryugu samples by soaking the material in hot water and then performing analyses called liquid chromatography and high-resolution mass spectrometry. Asteroid discovery suggests ingredients for life on Earth came from space 2023-03-21T04:00:00Z Hence, through spectrometry, it became readily apparent to scientists Deimos was probably not a captured asteroid but a chunk of Mars that broke off from the planet at some point in its history. Everything we thought we knew about Mars' moon Deimos could be wrong 2023-04-28T04:00:00Z Using infrared spectrometry, the researchers found heroin in three pills they purchased. U.S. issues warning about Mexican pharmacies selling tainted, counterfeit pills 2023-03-18T04:00:00Z Soon afterward, a new technique called liquid chromatography-mass spectrometry revolutionized the study of the lipids. Straight from the heart: Mysterious lipids may predict cardiac problems better than cholesterol 2023-03-15T04:00:00Z She used a sensitive technique known as accelerator mass spectrometry to detect minute amounts of radiocarbon, which she hoped would shed light on when—and why—such an event might have happened. Mystery of Ancient Space Superstorms Deepens 2023-03-06T05:00:00Z To identify the specific contents of the vessels, an Egyptian–German team analysed the mixtures using a technique called gas chromatography–mass spectrometry, at a National Research Centre laboratory in Giza, Egypt. Surprising Chemicals Were Used to Embalm Egyptian Mummies 2023-02-09T05:00:00Z The researchers used a dentist’s drill to remove coin-size fragments a few millimeters thick from the inside of the containers, then analyzed their chemical makeup using gas chromatography-mass spectrometry. Secrets to making mummies revealed in ancient urns 2023-02-01T05:00:00Z Highly sensitive mass spectrometry, he told the audience, detected tiny amounts of amyloid beta in the blood with unprecedented consistency and precision. Is it Alzheimer’s? Families want to know, and blood tests may offer answers. 2022-11-17T05:00:00Z A ceramide test is more complex to perform because it requires mass spectrometry, which is not available in most clinical labs. Straight from the heart: Mysterious lipids may predict cardiac problems better than cholesterol 2023-03-15T04:00:00Z Dr O'Brien crushed up the tiny piece of Mars and used sophisticated mass spectrometry to find out what it was made up of. Pig vomit toxin key to Martian meteorite mystery 2022-10-25T04:00:00Z The researchers used mass spectrometry to identify types and quantities of molecules in a sample of sebum, an oily substance found on the skin’s surface. A Supersmeller Can Detect the Scent of Parkinson’s, Leading to an Experimental Test for the Illness 2022-10-11T04:00:00Z As she worked, Hayeur Smith entered her data and extracted small samples for further analysis and testing, including a type of radiocarbon dating called accelerator mass spectrometry. Viking Textiles Show Women Had Tremendous Power 2022-09-15T04:00:00Z Using mass spectrometry, they compared 79 people with Parkinson's with a healthy control group of 71 people. Super-smeller helps scientists develop test to spot Parkinson's 2022-09-06T04:00:00Z Mass spectrometry today is used extensively in chemistry and biology laboratories to identify chemical and biological substances according to their mass-to-charge ratios. College Physics for AP Courses 2015-08-12T00:00:00Z The basic technique for protein analysis, analogous to DNA sequencing, is mass spectrometry. Biology for AP Courses 2022-06-09T00:00:00Z Techniques such as mass spectrometry can help determine whether particular RNAs are translated into stable proteins. ‘Gold mine of unexplored biology’: Short protein sequences could dramatically expand human genome 2022-07-21T04:00:00Z Next, the researchers used a technique called liquid chromatography to pull out proteins from the muscle samples, and another method called mass spectrometry to identify them. Will you keep winning races into old age? Your cells hold clues 2022-05-19T04:00:00Z The blood test, which uses Raman spectrometry, was developed by researchers at Swansea University, with funding from Cancer Research Wales and Health and Care Research Wales. Bowel cancer: Finger-prick blood test developed 2022-05-18T04:00:00Z “We had never seen mass spectrometry quantitation performed this way before,” Blair says. Critics challenge data showing key lipids can curb inflammation 2022-05-04T04:00:00Z Although mass spectrometry is good for detecting small amounts of proteins, variations in protein expression in diseased states can be difficult to discern. Biology for AP Courses 2022-06-09T00:00:00Z They also collected water samples from the stream and used mass spectrometry to measure different pollutants from storm runoff. To Revive a River, Restore Its Hidden Gut 2022-04-01T04:00:00Z CURRENTLY, THE standard approach for identifying an unknown drug is mass spectrometry, a method that, in short, weighs the components of a compound, in order to determine its molecular structure. How AI Could Prevent the Development of New Illicit Drugs 2022-01-05T05:00:00Z 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 Dalli also notes that an analysis of blank samples on his lab’s mass spectrometry instruments did not yield false signs of SPMs. Critics challenge data showing key lipids can curb inflammation 2022-05-04T04:00:00Z Mass spectrometry is used to identify and determine the characteristics of a molecule. Biology for AP Courses 2022-06-09T00:00:00Z The team separated the preserved proteins from the mineral matrix of the plaque and then used mass spectrometry to identify individual proteins. Milk fueled Bronze Age expansion of ‘eastern cowboys’ into Europe 2021-09-15T04:00:00Z The Copenhagen team maintains a database of known designer drugs called HighResNPS, a resource that medical staff, law enforcement, and forensic chemists can use to screen for NPS by providing references for mass spectrometry testing. How AI Could Prevent the Development of New Illicit Drugs 2022-01-05T05:00:00Z They then resynthesized the gene sequences, put them into yeast, and tested the fragrance molecules using mass spectrometry. ‘Guerilla’ Artist Daisy Ginsberg Re-creates Scent of Extinct Flowers 2021-09-10T04:00:00Z FitzGerald says there are very few experts in mass spectrometry of low abundance lipids. Critics challenge data showing key lipids can curb inflammation 2022-05-04T04:00:00Z Advances in spectrometry have allowed researchers to analyze very small samples of protein. Biology for AP Courses 2022-06-09T00:00:00Z Kafrani originally tried to buy the mass spectrometry equipment for import into Canada, but inquired about the installation cost in the Middle East, prompting a curt response from the U.S. company. Iranian national living in Canada charged in alleged plot to export equipment used for uranium enrichment 2021-07-31T04:00:00Z Since reference data might not exist for very new drugs, mass spectrometry isn’t always a good option, as identifying such a substance can potentially take weeks or even months of work, several sources told Undark. How AI Could Prevent the Development of New Illicit Drugs 2022-01-05T05:00:00Z Astronomers use the same technique, called spectrometry, to discover the chemical composition of distant stars. Canterbury Cathedral stained glass is among world's oldest 2021-07-26T04:00:00Z Consequently, submitted papers about SPMs are usually sent just to experts in the particular disease being studied, who do not necessarily understand the intricacies of mass spectrometry. Critics challenge data showing key lipids can curb inflammation 2022-05-04T04:00:00Z We also set about investigating the final step in the mosquito host-seeking activity – landing on a suitable host followed by biting – by using ultra-performance liquid chromatography with ion mobility high-resolution mass spectrometry. We’re a step closer to figuring out why mosquitoes bite some people and not others 2021-05-24T04:00:00Z "Mass spectrometry describes the analysis in nuclear science of the isotopic content of chemical samples and, in particular, the concentration measurements of these elements using isotope dilution techniques," Channing D. Phillips, the acting U.S. Iranian national living in Canada charged in alleged plot to export equipment used for uranium enrichment 2021-07-31T04:00:00Z According to Planchuelo, many well-resourced labs, including some in the EMCDDA, use a different technique called nuclear magnetic resonance testing, which doesn’t require reference material the same way that mass spectrometry does. How AI Could Prevent the Development of New Illicit Drugs 2022-01-05T05:00:00Z They rely on a variety of technologies, including mass spectrometry and gas chromatography, but some of the most promising ones—in terms of affordability and ease of use—are based on nanomaterial-based sensors. Forget throat swabs: Dutch company claims its breathalyzer can help sniff out COVID-19 2021-05-17T04:00:00Z In 2014, Dr. Terberger and a team of German and Russian scientists tested samples from the idol’s core — uncontaminated by previous efforts to conserve the wood — using accelerator mass spectrometry. How the World’s Oldest Wooden Sculpture Is Reshaping Prehistory 2021-03-22T04:00:00Z As many as 1,500 to 2,800 chemicals would leach out and, using high-resolution mass spectrometry, the team methodically identified and analyzed these compounds. Scientists solve mystery of mass coho salmon deaths. The killer? A chemical from car tires 2020-12-03T05:00:00Z Tissue samples containing thousands of cells must be prepared for mass spectrometry instruments. The RNA and protein landscape that could bring precision medicine to more people 2020-09-22T04:00:00Z Most of the Novichok molecule would remain linked to one of the fragments and would be easy to detect by mass spectrometry, says Oksana Lockridge, a toxicologist at the University of Nebraska Medical Center. How German military scientists likely identified the nerve agent used to attack Alexei Navalny 2020-09-08T04:00:00Z “We try to achieve this by studying breath samples using sensors in parallel with mass spectrometry analyses,” Lamote says. Forget throat swabs: Dutch company claims its breathalyzer can help sniff out COVID-19 2021-05-17T04:00:00Z There are other methods researchers can try, too, such as coupling immunoprecipitation to mass spectrometry to see what proteins the antibody binds to4. When antibodies mislead: the quest for validation 2020-09-06T04:00:00Z To determine its chemical makeup, researchers used a variety of noninvasive spectrometry techniques. Whence Came Stonehenge’s Stones? Now We Know 2020-07-29T04:00:00Z Researchers used mass spectrometry to analyze patients’ proteomes, or sets of proteins, in biological material. Protein biomarkers in COVID-19 patients' blood could predict disease severity and save lives, study says 2020-06-10T04:00:00Z His method, called culturomics1, incorporates robotic liquid handling to create diverse culture conditions, as well as mass spectrometry and ribosomal RNA sequencing to identify what grows. The search for microbial dark matter 2020-06-07T04:00:00Z Researchers used the mePROD method, a mass spectrometry technique recently developed by Institute for Biochemistry II at Goethe University. Potential cell targets for treating COVID-19 discovered by scientists in Germany 2020-05-14T04:00:00Z To investigate the role of SLC15A4 further, Heinz and colleagues used mass spectrometry to probe for proteins that interact with it. Fourth defence molecule completes antiviral line-up 2020-05-12T04:00:00Z Researchers used mass spectrometry to analyse a sliver of enamel from a molar found in Spain’s Gran Dolina cave. Daily briefing: The strongest evidence yet that deep-sea fish follow seasonal migrations 2020-04-01T04:00:00Z Mass spectrometry identifies molecules on the basis of their mass and ionic charge. Exposed: cells’ sugary secrets 2020-03-15T04:00:00Z Tagged proteins were then identified by mass spectrometry. Suspect that modulates the heartbeat is ensnared 2020-01-21T05:00:00Z Right now, states primarily use a technology called tandem mass spectrometry to analyze newborn blood spots for conditions that meet the criteria. Should We Sequence the Genome of Every Newborn? 2020-01-03T05:00:00Z Other entries used artificial intelligence and machine learning, spectrometry - the study of interaction between light and matter - and spectroscopy - the study of matter interacting with electromagnetic radiation; robotic noses and other sensor technologies. Feds seek new ways to spot illicit opioids mailed into U.S. 2019-12-12T05:00:00Z Other entries used artificial intelligence and machine learning, spectrometry — the study of interaction between light and matter — and spectroscopy — the study of matter interacting with electromagnetic radiation; robotic noses and other sensor technologies. Feds seek new ways to spot illicit opioids mailed into U.S. 2019-12-12T05:00:00Z Using mass spectrometry, researchers effectively identified glycan linkages, but in many instances failed to differentiate between sugar isomers. Exposed: cells’ sugary secrets 2020-03-15T04:00:00Z Welker and his colleagues dissolved tiny amounts of enamel from a G. blacki molar and used mass spectrometry to identify more than 500 peptides that matched six proteins. ‘Dragon teeth’ reveal ancient ape’s place in ancient primate family tree 2019-11-13T05:00:00Z They work with gas chromatography mass spectrometry instruments that separate chemical mixtures and identify the components at a molecular level. Inside the little-known world of flavorists, who are trying to make plant-based meat taste like the real thing 2019-11-04T05:00:00Z Experimental results from mass spectrometry were also beginning to emerge, showing the stability of 60-atom carbon clusters. The nano-revolution spawned by carbon 2019-10-27T04:00:00Z The researchers used mass spectrometry, which involves breaking up proteins into pieces that are sorted by mass to produce a distinctive spectrum for each protein. New universe of miniproteins is upending cell biology and genetics 2019-10-17T04:00:00Z In the late 1940s, Urey used his expertise in mass spectrometry to begin work in geochemistry, and then in planetary science. From bomb to Moon: a Nobel laureate of principles 2019-10-13T04:00:00Z They subjected the powdery samples to chemical analysis and mass spectrometry. Prehistoric Parents Used Baby Bottles Made of Pottery 2019-09-25T04:00:00Z The team then created libraries of bacteria, each expressing small pieces of the genomes of interest, to identify bacterial genes responsible for this metabolic activity, which they quantified using mass spectrometry. Microbial chemistry gains fresh focus 2019-09-23T04:00:00Z The team members scraped samples of plaque off the teeth, separated the different components within it and analysed them using mass spectrometry. Earliest evidence of milk consumption 2019-09-10T04:00:00Z He and a colleague, Dr. David Holtzman, founded a company ten years ago and licensed patents from their university to commercialize a mass spectrometry test if they ever developed one. A Blood Test for Alzheimer’s? It’s Coming, Scientists Report 2019-08-01T04:00:00Z In this specific approach, called zooarchaeology by mass spectrometry or ZooMS, researchers analyse one kind of collagen. Move over, DNA: ancient proteins are starting to reveal humanity’s history 2019-06-25T04:00:00Z The scientists used a method called gas chromatography-mass spectrometry to isolate and identify compounds preserved in the burners. Earliest evidence of cannabis use 2019-06-13T04:00:00Z Reverse engineering The original biologic is analysed with methods such as mass spectrometry to reveal its amino-acid sequence, protein structure and any chemical modifications. Bring on the biosimilars 2019-05-07T04:00:00Z Using a technique frequently used in modern illicit drug testing called liquid chromatography tandem mass spectrometry, she and her fellow researchers hunted for chemical signatures in the sample. Archaeologists find richest cache of ancient mind-altering drugs in South America 2019-05-06T04:00:00Z Dr. Schindler and her colleagues used mass spectrometry to test the volunteers’ stored blood for beta amyloid. A Blood Test for Alzheimer’s? It’s Coming, Scientists Report 2019-08-01T04:00:00Z At the Fish and Wildlife Service Forensics Lab, these chemical fingerprints can now be revealed using a sophisticated technique known as direct analysis in real-time, time-of-flight mass spectrometry. Tree sleuths are using DNA tests and machine vision to crack timber crimes 2019-04-02T04:00:00Z They then identify the protein sequence of ECR using mass spectrometry. Elusive microbe that consumes ethane found under the sea 2019-03-26T04:00:00Z Batra and colleagues expressed tagged versions of Ebola proteins individually in human cells grown in vitro, and used co-immunoprecipitation and mass spectrometry techniques to identify human proteins that interacted with viral proteins. Host protein mimics viral protein to hinder infection by Ebola virus 2019-01-20T05:00:00Z Chromatography and mass spectrometry analysis detected chemical components of vanilla. In biblical city of Armageddon, signs of early vanilla and elaborate medical care 2018-11-28T05:00:00Z But the advent of proteomics and mass spectrometry has transformed his work. Do Proteins Hold the Key to the Past? 2018-11-19T05:00:00Z With Nez Perce tribal leaders’ cooperation, they used mass spectrometry to analyze a dozen artifacts from sites along the Columbia and Snake rivers in the tribe’s ancestral homelands. Research finds Nez Perce tobacco use pre-dates trappers 2018-11-03T04:00:00Z They used methods such as calcium imaging, mass spectrometry, immunohistochemistry, electron microscopy and RNA sequencing to probe cellular function, morphology and molecular features3. Tapping into the brain’s star power 2018-10-30T04:00:00Z Labster’s stock of simulations ranges from an entertaining romp through basic lab safety, such as the 2D sim that sprayed my eyes with acid, to highly technical procedures including cancer sample preparation for mass spectrometry. Simulated labs are booming 2018-10-02T04:00:00Z Mass spectrometry analysis added 3,300 chemical signals to the mix. Take a Deep Breath and Say Hi to Your Exposome 2018-09-28T04:00:00Z The method uses mass spectrometry to differentiate the proteins of a hominin from those of, for example, a bear or mammoth. Daily briefing: The cruel and futile war on obesity 2018-09-20T04:00:00Z The researchers removed the film from the rock, dissolved it, and used gas chromatography and mass spectrometry to look for preserved organic molecules. This fossil is one of the world’s earliest animals, according to fat molecules preserved for a half-billion years 2018-09-20T04:00:00Z Using a technique called zooarchaeology by mass spectrometry, or ZooMS, researchers can extract collagen — a tough, fibrous protein that forms connective tissue — from a bone and break it down into its constituent units, called peptides. Denisovan hybrid cave yields four more hominin bones 2018-09-19T04:00:00Z Advances in mass spectrometry techniques may aid in the chemical analysis of medicinal plants and the identification of potential toxins. Poisonous Plants 2018-08-31T04:00:00Z The team used a technique known as gas chromatography–mass spectrometry to identify elemental variants known as isotopes. Animal fat on ancient pottery shards reveals a nearly catastrophic period of human prehistory 2018-08-13T04:00:00Z Using a process called inductively coupled plasma mass spectrometry, the device then identifies the shaving’s atomic makeup by the light it emits, like a tiny, dying supernova. The unlikely story of the meteorite feud that ended up a fugitive from the law 2018-06-25T04:00:00Z “With mass spectrometry, we can get a very accurate amount of a particular compound in the sample,” Burgard says. Sewage Is Helping Cities Flush Out the Opioid Crisis 2018-05-25T04:00:00Z But in its favour, mass spectrometry can target many more parameters per cell — including chemical compounds, collectively called the epigenome, that attach to DNA and influence how a cell uses its genetic instructions. Single-cell approaches to immune profiling 2018-05-21T04:00:00Z The scientists used a portable, briefcase-size device that pulls air from the surface of the skin and collects VOCs in a filter for later laboratory analysis, using gas chromatography–mass spectrometry. Is Malaria's Peculiar Odor the Key to Its Conquest? 2018-05-14T04:00:00Z Burns’ lab uses more than a half-dozen gas chromatography and mass spectrometry machines to detect trace amounts of identifiable compounds that might indicate fire-smoke markers. How West Coast winemakers are adapting to climate change 2018-05-14T04:00:00Z The affinity-selection mass spectrometry bioassay is then used to rank the affinity of the reaction products to target proteins, removing the need for time-intensive reaction purification. Nanoscale synthesis and affinity ranking 2018-04-22T04:00:00Z Researchers then study those compounds with analytical techniques such as high-resolution mass spectrometry, nuclear magnetic resonance spectroscopy, isotope-ratio mass spectrometry and inductively coupled plasma mass spectrometry. Attacks in UK and Syria highlight growing need for chemical-forensics expertise 2018-04-12T04:00:00Z The first element was an analysis of the nerve agent provided by mass spectrometry, a technique that sorts ions based on their mass-to-charge ratio. Poisoned Door Handle Hints at High-Level Plot to Kill Spy, U.K. Officials Say 2018-04-01T04:00:00Z Jambon hopes to scan more ancient iron with XRF spectrometry, but access to these items is not always possible, especially in conflict zones like Syria and Iraq. King Tut's Dagger Is Out of This World 2017-12-27T05:00:00Z This file contains information on peptides identified by mass spectrometry analyses. Immune evasion of Plasmodium falciparum by RIFIN via inhibitory receptors 2017-11-28T05:00:00Z OpenMS: a flexible open-source software platform for mass spectrometry data analysis. Inflammation-induced IgA+ cells dismantle anti-liver cancer immunity 2017-11-07T05:00:00Z Quantitative mass spectrometry analysis was performed by V.P. and analysed by S.J.S., A global resource allocation strategy governs growth transition kinetics of Escherichia coli 2017-10-24T04:00:00Z The technique uses a form of mass spectrometry to detect traces of various substances within a fingerprint. Condom-aware fingerprint tech set for use 2017-10-09T04:00:00Z Others challenged the findings, suggesting that the structures seen under the scope might be bacterial biofilms, and that the mass spectrometry results might reflect contamination with modern bird collagen. ‘I don’t care what they say about me’: Paleontologist stares down critics in her hunt for dinosaur proteins 2017-09-13T04:00:00Z Using a type of mass spectrometry, called time-of-flight mass spectrometry, and gas pyrolysis, they were able to chemically analyse samples of the dark organic material from the keratin sheaths and the skin. Armoured tank-like dino used camouflage to hide - BBC News 2017-08-03T04:00:00Z Back home in the lab, using infrared spectrometry to test about 800 bone fragments, Hlubik found that 40 were definitely burned and another 80 or so might have been exposed to flames. Quest for Clues to Humanity's First Fires 2017-06-19T04:00:00Z The infrared spectrum of the resulting gas, as well as mass spectrometry, showed clear signs of methyl isocyanate. Potential building block of life found in very young star system 2017-06-08T04:00:00Z Using a technique called mass spectrometry, Park and his colleagues analyzed tissue from the mole-rats' vital organs, including their brains and hearts. Naked mole-rats are now even weirder: Without oxygen, they live like plants 2017-04-20T04:00:00Z Two labs also detected the proteins laminin and elastin with antibody tests, although mass spectrometry failed to turn up sequences for these proteins. ‘I don’t care what they say about me’: Paleontologist stares down critics in her hunt for dinosaur proteins 2017-09-13T04:00:00Z He uses mass spectrometry to create high-resolution maps of the chemical metabolites found in each sample. Do Seas Make Us Sick? Surfers May Have the Answer 2017-04-03T04:00:00Z Twelve individual seeds of 17 bitter lines, and 12 pooled seeds from each of 16 sweet lines were analysed for derivatized saponins using gas chromatography/mass spectrometry. The genome of Chenopodium quinoa : Nature : Nature Research 2017-02-07T05:00:00Z To determine how pitchers eat their prey, the researchers sampled the digestive cocktail from Cephalotus and several other unrelated carnivorous plants and identified a total of 35 proteins, using mass spectrometry. How plants evolved into carnivores 2017-02-05T05:00:00Z Our community should look to exemplars in other fields, such as X-ray, mass spectrometry and crowdsourcing platforms in high-energy physics, astronomy and genomics. Fire up the atom forge 2016-11-21T05:00:00Z NC State postdoc and mass spectrometry expert Elena Schroeter notes that the collagen seen in their dinosaur samples mostly lacks the amino acids Collins tracked. ‘I don’t care what they say about me’: Paleontologist stares down critics in her hunt for dinosaur proteins 2017-09-13T04:00:00Z Using mass spectrometry, they analyzed the molecules in each sample, to understand the interplay of biochemistry, microbiology and health. Cellphone Smudges Yield a Trove of Forensic Data 2016-11-14T05:00:00Z Twelve individual seeds of 17 bitter lines, and 12 pooled seeds from each of 16 sweet lines were analysed for derivatized saponins using gas chromatography/mass spectrometry. The genome of Chenopodium quinoa : Nature : Nature Research 2017-02-07T05:00:00Z To produce the image, researchers swabbed every surface in the room, including the people, several hundred times, then analysed the swabs with mass spectrometry to identify the chemicals present. The man who can map the chemicals all over your body 2016-06-06T04:00:00Z The study, conducted by Egyptian and Italian researchers, used X-ray fluorescence spectrometry to examine the metallurgic makeup of the iron dagger. King Tut's Dagger Had an 'Extraterrestrial' Origin 2016-06-02T04:00:00Z Using X-ray fluorescence spectrometry, Italian and Egyptian experts found that the blade’s composition of iron, nickel and cobalt was an approximate match for a meteorite that landed in northern Egypt. King Tut’s Dagger Made of ‘Iron From the Sky,’ Researchers Say 2016-06-02T04:00:00Z “The technologies we gain with FEI will complement our mass spectrometry leadership, putting Thermo Fisher in the best position to capitalize on this important trend.” Thermo Fisher acquires Hillsboro microscope maker for $4.2 billion 2016-05-27T04:00:00Z The Human Proteome Organization created two complementary HPP projects, both of which use mass spectrometry. Proteomics: High-protein research : Nature : Nature Publishing Group 2015-11-03T05:00:00Z It was here that he was first introduced to mass spectrometry. The man who can map the chemicals all over your body 2016-06-06T04:00:00Z The alternative, a mix of chromatography and mass spectrometry, is more sensitive, but requires expensive equipment and trained staff. Particle biology 2015-10-08T04:00:00Z Using an analytical chemistry technique called mass spectrometry, they studied a process called protein phosphorylation. ‘Exercise in a bottle,’ scientists working on pill that mimics effects of working out 2015-10-03T04:00:00Z Once these results were in, the team identified the specific molecules involved using spectrometry. Sweet-smelling secrets of mosquito-repellent grass - BBC News 2015-08-18T04:00:00Z Mass spectrometry is a probabilistic method, says Omenn, and there is no way to exclude the possibility that two different proteins produced the same peptide sequence. Proteomics: High-protein research : Nature : Nature Publishing Group 2015-11-03T05:00:00Z Dorrestein uses the analogy of a bar code — mass spectrometry creates a unique identifier for each chemical in a sample. The man who can map the chemicals all over your body 2016-06-06T04:00:00Z For irisin’s skeptics, the mass spectrometry result itself is hard to dispute. Group defends controversial 'exercise hormone' 2015-08-13T04:00:00Z This high-precision mass spectrometry method enabled us to perform about 6,500 direct frequency ratio comparisons within a total measuring time of 35 days. High-precision comparison of the antiproton-to-proton charge-to-mass ratio : Nature : Nature Publishing Group 2015-08-11T04:00:00Z The team used a technique called mass spectrometry to identify the make-up of the samples. Dried oregano in 'latest food fraud' says Which? - BBC News 2015-07-23T04:00:00Z Researchers in France who analysed some particularly well-regarded pinot noir wine, using a method known as gas chromatography mass spectrometry, recently made a surprising discovery. Sniffing out the next big thing in chocolate and gobstoppers - BBC News 2015-06-14T04:00:00Z Then they subjected the products to a type of laboratory test known as liquid chromatography-mass spectrometry. Many Probiotics Taken for Celiac Disease Contain Gluten 2015-05-19T04:00:00Z In a small study, a team of researchers analyzed the fingerprints of a handful of patients in drug treatment centers using a process called mass spectrometry. Your Fingerprint Can Reveal Cocaine Use 2015-05-15T04:00:00Z Using a detection technique called liquid chromatography-mass spectrometry, the researchers measured the quantity of gluten in the probiotics. Many Probiotics Contain Traces of Gluten, Study Says 2015-05-15T04:00:00Z Taking the research a step further, she used mass spectrometry to find 564 proteins on the virus. Florida Teen Explores Using Proteins to Block Viruses 2015-05-12T04:00:00Z Frustrated but determined to do better, Dawson devoted herself to adapting chromatography and mass spectrometry — techniques she knew from her work in agriculture and environmental science — for use in forensic cases. Forensic science: The soil sleuth 2015-04-20T04:00:00Z To verify the findings of the nanoarray analysis, the breath samples were also examined using mass spectrometry. Scientists are working on a breath test to diagnose stomach cancer 2015-04-14T04:00:00Z “The mass spectrometry techniques used here offer a high level of selectivity and consume only a small area of a single fingerprint, allowing repeat and high throughput analyses of a single sample.” Your Fingerprint Can Reveal Cocaine Use 2015-05-15T04:00:00Z The new approach analyzes exhaled breath using a highly sensitive method called liquid chromatography-mass spectrometry. Breath Test for Illegal Drugs Instead of Urine Analysis? 2015-03-10T04:00:00Z With these labels, Crump says she found proteins via gel electrophoresis and mass spectrometry. Florida Teen Explores Using Proteins to Block Viruses 2015-05-12T04:00:00Z Researchers used a technique known as mass spectrometry to evaluate the salivary proteins. Proteins In Saliva May Help Diagnose Autism 2015-02-28T05:00:00Z The researchers identified histamine, along with a cornucopia of other chemicals, using nuclear magnetic resonance spectroscopy and gas chromatography/mass spectrometry. Chemical Cocktail Lures Bedbugs and Coaxes Them to Stay Put 2014-12-25T05:00:00Z Because Rosetta was so close to the comet, scientists were able to use a technique called mass spectrometry to determine the quantity and type of chemicals present in a sample. Scientists no longer think Earth's water originated on comets 2014-12-10T05:00:00Z Instruments on the machines then identify the amount and the characteristics of chemicals present in a blood sample, using a technique called mass spectrometry. One Woman’s Drive to Revolutionize Medical Testing | The New Yorker 2014-12-08T05:00:00Z A microscope showed that the linens were impregnated with resins, says Buckley, and mass spectrometry later revealed a complex melange of substances. Mummifying-balm recipe is older than the pharaohs 2014-08-12T04:00:00Z These differences were not only subjective - they were mirrored in distinct chemical profiles detected by gas chromatography-mass spectrometry, according to the results presented at the conference. Wine regional 'fingerprints' found 2014-08-11T04:00:00Z They managed the feat with kit that is normally used for mass spectrometry - a technique for identifying a substance based on the weight of the different atoms it contains. Purest-ever silicon in quantum fix 2014-08-11T04:00:00Z Deurion – Developing products for diagnostics and mass spectrometry, an analytical technique that produces spectra of the masses of atoms or molecules constituting a sample of material. UW research spawns 18 companies in past year 2014-07-02T04:00:00Z Mass spectrometry was introduced for clinical use in this way a few years ago, it notes, and is now commonly used to identify pathogens from signature microbial peptides. A three-step plan for antibiotics 2014-05-26T04:00:00Z An example is the uptake of mass spectrometry starting five or so years ago to identify pathogens based on tell-tale microbial peptides. Health care: Bring microbial sequencing to hospitals 2014-05-21T04:00:00Z He attended University College in Swansea, where he received a degree in chemistry in 1965 and his doctorate in mass spectrometry in 1968. Colin Pillinger, 70, Dies; Set Europe’s Eye on Space 2014-05-13T04:00:00Z The research, published in the journal Environmental Science & Technology, used a technique called membrane introduction mass spectrometry to measure the presence of dangerous byproducts in pools. No, It’s Not Safe to Pee in the Pool, Says Science 2014-04-01T16:17:40Z Furthermore, mass spectrometry enables investigation of protein expression specific for different tissues, developmental phases, or biological processes, including disease states. [Perspective] Unlocking Ancient Protein Palimpsests 2014-03-20T18:25:32.478Z Now chemists at the University of Texas in Arlington believe they have developed a method that builds on existing mass spectrometry techniques to detect these extremely small metabolites. New doping test '1,000 times better' 2014-03-19T00:14:48Z Time was when mass spectrometry was the province of white-coated chemistry Ph.D.s with a secret language all their own. [Business Office Feature] LIFE SCIENCE TECHNOLOGIES: Miniaturizing Mass Spectrometry 2014-02-20T19:26:11.417Z We analyzed expression, production, and secretion of Toddler using RNA in situ hybridization, mass spectrometry, and Toddler-GFP fusion proteins, respectively. [Research Article] Toddler: An Embryonic Signal That Promotes Cell Movement via Apelin Receptors 2014-02-13T19:25:43.098Z And so, while still working on crystallization on the side, she tried an alternative technique — hydrogen–deuterium exchange mass spectrometry. Structural biology: More than a crystallographer 2014-01-29T18:51:49.908Z Zenobi highlights methodological advances, particularly in mass spectrometry, that are enabling quantitation of the abundance of molecular components of single cells. [Introduction to Special Issue] Cells Go Solo 2013-12-05T18:56:32.708Z We used high-resolution, quantitative mass spectrometry to collect protein expression measurements from human, chimpanzee, and rhesus macaque lymphoblastoid cell lines and compared them to transcript expression data from the same samples. [Report] Primate Transcript and Protein Expression Levels Evolve Under Compensatory Selection Pressures 2013-12-04T22:56:48.112Z Critical to this resolution were improved methods of dating, which incorporated advances in mass spectrometry, sampling and laser heating. How Science Figured Out the Age of the Earth 2013-10-20T14:15:00.407Z Schmidt says spectrometry of Ceres’ surface during Dawn’s orbital flyby will allow researchers to see the surface in much greater detail, enabling them to search particular areas of the surface for different compositions and properties. Dwarf Planet Ceres May Harbor Life; NASA Spacecraft Enroute 2013-10-20T06:45:00Z In it, precision techniques like mass spectrometry are used to detect the presence of drugs , said Jennifer Strickland, the director of clinical strategy for Millenium Laboratories, a major testing company. Increase in Urine Testing Raises Ethical Questions 2013-08-01T21:37:48Z So he designed a “smart” knife linked to a refrigerator-size mass spectrometry device. Experimental device helps surgeons ensure they have removed all cancerous tissue 2013-07-22T21:58:12Z But this requires first removing and preparing the tissue for a technique called mass spectrometry, which analyzes the mass and structure of charged molecules. Smart Knife Sniffs Out Cancer Cells 2013-07-16T19:00:00Z They measured the specimens’ 14C content using a sensitive technique called accelerator mass spectrometry. Forensic zoology: The elephant in the room 2013-07-04T15:04:16Z The methods included liquid chromatography-mass spectrometry, done on state-of-the-art equipment at the Bureau of Alcohol, Tobacco, Firearms and Explosives laboratory in Beltsville, Maryland, that is normally used for analyzing drugs. French Wine Has Ancient Origins 2013-06-03T20:00:00Z Nolan plans to analyze tissue using mass spectrometry to look for toxicants or metabolites. Bizarre 6-Inch Skeleton Shown to Be Human 2013-05-03T23:40:00Z Thermo Fisher's products range from the most basic scientific equipment, such as test tubes, to advanced mass spectrometry equipment used to determine the chemical structure of molecules. UPDATE 3-Thermo Fisher nears $13 bln Life Tech deal-sources 2013-04-14T23:12:50Z To learn the mass spectrometry and other molecular techniques required for the task, Santos spent months in labs in the United States and Austria. From the frontline: 30 something science 2013-03-06T18:21:41.007Z Mass spectrometry identified organic molecules characteristic of creosote and frankincense, both used for preserving tissue. Forensic Exam of King Richard the Lionheart Reveals Embalming Practices 2013-03-01T18:15:00.213Z Conformational changes can be investigated using quantitative mass spectrometry that measures the reactivity of side chains of individual amino acids to particular chemicals. Molecular signatures of G-protein-coupled receptors 2013-02-13T18:21:29.900Z Mass spectrometry revealed the tablets contained an array of ingredients. Ancient pill ingredients probed 2013-01-07T21:36:04Z So, the researchers isolated the secretions and ran them through gas chromatography–mass spectrometry to determine the nature of the substances in them. Parasitic Wasps Master Microbiology In Addition To Neurochemistry 2013-01-07T21:15:05.437Z In the 1950s, ultraviolet and infrared spectrometry, along with x-ray diffraction and gas chromatography, found forensic applications, and in 1966, scientists introduced Fourier-transformed infrared spectroscopy and atomic absorption spectroscopy. Cold Case Files: Tycho Brahe Not Poisoned After All 2012-11-19T13:45:03.780Z The proteome of the shell was obtained by mass spectrometry. The oyster genome reveals stress adaptation and complexity of shell formation 2012-10-03T18:22:26.103Z Traditionally in mass spectrometry, tens of millions of particles are weighed to calculate the mass of a single molecule. Observatory: Nano Device Can Measure Mass of a Single Molecule 2012-09-03T19:45:44Z Roukes thinks the vibrating-beam technique can even go toe-to-toe with traditional mass spectrometry, which after a century of work has become a high art. Tiny Mechanical Scale Weighs Molecules One at a Time 2012-08-29T18:24:58Z They are also working on an ion mobility spectrometry application for screening samples in the field. Counterfeit Drugs: a Deadly Problem 2012-08-20T20:45:04.993Z The difference in selenium supply has a negligible effect on CIGSSe grain structures, crystal orientation and bulk composition, when measured by cross-section scanning electron microscopy or TEM, X-ray diffraction and secondary ion mass spectrometry. Materials interface engineering for solution-processed photovoltaics 2012-08-15T17:22:03.163Z The liquid chromatography and mass spectrometry testing equipment being used at the anti-doping lab can screen up to 400 samples a day for more than 240 banned substances in less than 24 hours. Anti-doping lab to become research centre 2012-08-01T16:53:41Z Fortunately we have several spectroscopic techniques to detect deuterium that include extremely sensitive mass spectrometry methods. Better (extraterrestrial) communication through chemistry: Isotopes and mirror-image molecules 2012-07-25T17:45:03.207Z And, again, mass spectrometry didn’t seem to show any detectable arsenic bondedwithin the DNA and only trace amounts of arsenic. New Science Papers Prove NASA Failed Big Time In Promoting Supposedly Earth-Shaking Discovery That Wasn't 2012-07-09T02:19:38Z Dr. Facundo M. Fernández and colleagues at Georgia Institute of Technology are using a different approach, with an ambient mass spectrometry technique. Counterfeit Drugs: a Deadly Problem 2012-08-20T20:45:04.993Z They inspected cross-sections of the reefs using radiocarbon dating and mass spectrometry techniques to find the “hiatus” in the reef’s growth, as it was described in the report. Scientists Find That Climate Change Stalls Reef Growth 2012-07-06T23:05:14Z It’s called gas chromatography/mass spectrometry, or GC/MS for short, and if testing equipment is maintained appropriately, the odds of it producing a false positive result are infinitesimally low. Ryan Braun and the MLB's 'Unbeatable' Drug Test 2012-02-24T20:35:18Z "This lab knows how to look at and detect these types of molecules," says Patrick A. Limbach, a chemist who studies mass spectrometry of nucleic acids at the University of Cincinnati. Closely Watched Study Fails to Find Arsenic in Microbial DNA 2012-02-02T18:50:36Z In total, the liquid chromatography and mass spectrometry testing equipment will screen each sample for more than 240 banned substances in less than 24 hours. Olympics-Doping: Journey of a sample at London 2012 2012-01-19T19:18:48Z Researchers analyzed toenail samples with plasma mass spectrometry, a highly sensitive technique for detecting trace elements. Vital Signs: Trace Elements and Levels of Pancreatic Cancer Risk 2012-01-02T20:22:57Z Jackson estimates that mass spectrometry requires about 10 milligrams of hair—between 10 and 20 strands. Was Jane Austen Poisoned by Arsenic? Science May Soon Find Out 2011-12-05T13:15:00.263Z At Georgetown, she learned to use gas chromatography and mass spectrometry to measure the amount of chemical in the fabric patches. Dry-cleaned clothes a health risk? Maybe. 2011-09-04T01:18:04Z Using proteomics — large-scale identification of proteins by mass spectrometry — facilitated by the genome sequence, the researchers were able to hunt down and investigate egg-protein genes in the lizard. Lizard Genome Unveiled 2011-08-31T21:15:00.243Z The researchers used gas chromatography-mass spectrometry to separate out the different molecules in the samples, and found that the coating contained biological long-chain fatty acids including palmitic acid and stearic acid. Ancient Egyptians Used 'Hair Gel' 2011-08-19T21:15:00.420Z The researchers then used mass spectrometry to identify the carbohydrates in zona pellucida material from the eggs. The Sweet Meeting of Sperm and Egg 2011-08-18T19:00:00Z Helm's group uses advanced mass spectrometry techniques to explore complex biological problems such as cell-cell communication, focusing on quantification of proteins and metabolites. Cells Talk to One Another, but How? 2011-06-14T13:55:00Z Low intracellular P in concert with high intracellular As was further confirmed through high-resolution secondary ion mass spectrometry and x-ray analyses, as discussed below. [Research Article] A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus 2011-06-02T18:26:22.637Z "The Commission examined the competitive effects of the proposed acquisition in the areas of ion chromatography, high pressure liquid chromatography, mass spectrometry, consumables, related software and distribution," it said in a statement. EU approves Thermo Fisher buy of Dionex 2011-05-13T14:42:58Z Their samples will be analyzed with a technique known as nanometer-scale secondary ion mass spectrometry, or nanoSIMS, that combines one of the oldest tools in microbiology — the microscope — with mass spectrometry. Scientist at Work: Microbial Life in the Ocean's Desert 2011-04-27T18:42:49Z But using mass spectrometry, Esplin and his team were able to analyze thousands of molecules in the serum of 160 women, looking for anomalies that might suggest risk. Utah researchers identify markers of preterm birth 2011-04-21T17:07:05Z We will also look mass spectrometry devices which will allow us to determine chemical components at very low concentration and which are being pushed in homeland security research as explosive detectors. Lorraine Gibson: How the smell of decay can help save relics 2011-03-27T00:05:18Z Dr. Fenn improved a technique known as mass spectrometry, which identifies molecules like proteins by how quickly they are accelerated in an electric field. John B. Fenn, Nobel Winner Who Developed Way to Study Large Molecules, Dies at 93 2010-12-13T02:58:00Z To do this, the oils were broken into their component parts and analysed using gas chromatography and mass spectrometry. Perfume: Making sense of scents 2010-12-09T10:31:00Z At Harvard, the scientists used Fourier transform infrared spectroscopy and gas chromatography/mass spectrometry to analyze the samples. The Improvisational Remedies of an Art Healer 2010-10-25T19:50:00Z Dunne and his colleagues are eagerly awaiting the next wave of costly hospital technology: Mass spectrometry machines that will use lasers to identify microorganisms in only a few minutes. High-tech gadgets join war on germs 2010-08-27T20:14:00Z Buchholz, a physicist and a nuclear engineer, is an expert at something called accelerator mass spectrometry, an extraordinarily precise method of determining the chemical composition of materials. The Radioactive Clock In Your Teeth 2010-05-21T16:00:00Z The problem that had stymied biologists in using mass spectrometry on larger proteins is that such proteins clump together, and thus the scientists would end up measuring the clumps rather than individual proteins. John B. Fenn, Nobel Winner Who Developed Way to Study Large Molecules, Dies at 93 2010-12-13T02:58:00Z Using a supersensitive mass spectrometry instrument that precisely elucidates a molecule’s chemical composition, the researchers found that the mouse metabolized most of the THP into several different chemicals including salutaridine. Body Makes Its Own Morphine 2010-04-28T14:56:00Z With the proteins separated, scientists could then employ the usual technique of mass spectrometry, applying an electric field to accelerate the molecules and measure their mass. John B. Fenn, Nobel Winner Who Developed Way to Study Large Molecules, Dies at 93 2010-12-13T02:58:00Z |
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