| 单词 | culture medium |
| 例句 | They’d also convinced two fledgling biological supply companies—Microbiological Associates and Difco Laboratories—to begin producing and selling ingredients for culture media, and taught them the techniques necessary to do so. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z He explained what culture medium was, and how he moved cells from freezer to incubator to grow. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z They could grow floating in a culture medium that was constantly stirred by a magnetic device, an important technique Gey developed, now called growing in suspension. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z For Gey, the rotation was crucial: he believed that culture medium needed to be in constant motion, like blood and fluids in the body, which flow around cells, transporting waste and nutrients. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z Magazines called his culture medium “an elixir of youth” and claimed that bathing in it might make a person live forever. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z Many researchers, including the Geys, had been trying for years to develop the perfect culture medium—the liquid used for feeding cells. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z This meant that HeLa cells weren’t limited by space in the same way other cells were; they could simply divide until they ran out of culture medium. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z Outside the glass room, he had a setup much like Tuske- gee’s, with massive vats of culture medium, only bigger. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z Instead, Gey sent them via plane in tubes with a few drops of culture medium, just enough to keep them alive for a short time. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z Since then it's been hard to forget how the culture media grabbed it like a life raft. Guardian book club: The Corrections by Jonathan Franzen 2010-10-15T08:42:00Z Grynberg said the team hoped to improve the culture medium used to mature the eggs in the lab. First baby is born through new egg-freezing technique 2020-02-18T05:00:00Z City Arts isn’t the only local arts and culture media outlet looking at changes. City Arts magazine launches crowdfunding to become independent; Stranger Genius Awards postponed again 2018-04-06T04:00:00Z Although these cells still show signs of life and breathe, it is no longer possible to cultivate them on culture media in Petri dishes. The deep slumber of a hospital pathogen: Why infections with Acinetobacter baumannii can flare up again and again 2023-10-16T04:00:00Z If the rice is left to cool and sit at room temperature, the spores grow into bacteria, which will increase in numbers quickly as rice is a good Bacillus culture medium when at room temperature. I’m a microbiologist and here’s what (and where) I never eat 2023-09-28T04:00:00Z To overcome that obstacle, the scientists grew the human cells in a newly devised culture medium that returned them to an earlier developmental stage. Early-stage human kidneys grown in pigs for first time 2023-09-07T04:00:00Z Using cell culture media developed by other scientists and mixtures they crafted themselves, the researchers nudged their stem cells to specialize into extraembryonic cell lineages found in a genuine embryo. Biologists create detailed lab replicas of early human embryos 2023-06-16T04:00:00Z We do not provide any extra factors to the culture media that we use, which we established 10 years ago. Scientists Create Human Embryo-like Structures with Stem Cells 2023-06-16T04:00:00Z The problem is that detecting bacteria by cultivating them on culture media is still the gold standard both in medicine as well as food control. The deep slumber of a hospital pathogen: Why infections with Acinetobacter baumannii can flare up again and again 2023-10-16T04:00:00Z Around the same time Loeb's book was published, French physician Alexis Carrel developed techniques for growing tissues in a culture medium: a kind of unformed living material. Synthetic Morphology Lets Scientists Create New Life-Forms 2023-05-31T04:00:00Z Under sterile conditions, the plant material is placed on a plant tissue culture medium that contains all the minerals, vitamins, and hormones required by the plant. Fundamentals of Biology 2015-01-01T00:00:00Z But in the new studies, the researchers grew monkey embryos in small vials of culture medium, which allowed the embryos to grow in three dimensions as they would inside the womb. Lab-Grown Monkey Embryos Reveal in 3-D How Organs Begin 2023-05-15T04:00:00Z The cancer cells, being clones of each other already, should directly be grown in a culture media and then studied. Biology for AP Courses 2022-06-09T00:00:00Z About a third of these companies specialize in one piece of the technical process, such as optimizing culture media, developing scaffolds, building bioreactors, or computer modeling. Lab-Made Chicken Reaches Select Diners in Singapore 2021-05-14T04:00:00Z Likewise, production capacity for biological raw materials, cell culture media, specialized filters, pumps, tubing, preservatives, glass vials and rubber stoppers is also limited. What Would It Take to Vaccinate the Whole World? Let’s Take a Look. 2021-05-03T04:00:00Z But when they added bromide salts to the culture medium, the cyanobacteria began to produce the neurotoxin. After more than 2 decades of searching, scientists finger cause of mass eagle deaths 2021-03-25T04:00:00Z The firm said it has also faced difficulties importing cell culture media, single-use tubing and specialised chemicals from the US. India coronavirus: Can its vaccine producers meet demand? 2021-03-18T04:00:00Z While they waited for Aliria’s body to arrive, Dr. Villegas and the staff messaged each other demands: freezers checked, sterile gloves, iodine, cell culture medium, tissue preservative mixed and ready. In Life, She Defied Alzheimer’s. In Death, Her Brain May Show How. 2020-12-11T05:00:00Z Cell cultures in a lab on Earth grow in a single layer — think of it as a two-dimensional structure — because gravity causes sedimentation and the culture medium presses down on the cells. Stem cell research finds a unique lab — the International Space Station 2020-12-04T05:00:00Z For one, the treatments are made in specialized facilities with ingredients — sterile vials, protein resins, culture media — needed to make other antibodies and vaccines, as well. The Race for a Super-Antibody Against the Coronavirus 2020-10-12T04:00:00Z The modified microbes generated up to 1.16 grams of psilocybin per liter of culture medium—the highest yield to date from any engineered organism and a 10-fold increase over the next best attempt. E. coli Could Produce a Popular Psychedelic for Therapeutic Use 2019-12-26T05:00:00Z Specht identified the cell culture medium as the most significant cost driver and said it was possible to produce it without animal-derived components and at much lower prices. The $280,000 lab-grown burger could be a more palatable $10 in two... 2019-07-09T04:00:00Z “It must be accepted that biotechnology research is an expensive type of research; cells need to be fed with new culture media every day, and that costs money,” she says. The biotechnologists making their mark on the international stage 2019-05-28T04:00:00Z "This is down to a special culture medium that we have made specifically." War on fatbergs: Can this 21st Century peril be blitzed? 2019-01-19T05:00:00Z One challenge for linked OOC systems is finding culture media and conditions that serve all tissue types — media that support liver cells are not always suitable for lung cells, for instance. Stem-cell culture moves to the third dimension 2018-06-10T04:00:00Z Amounts of these top 10 proteins accumulated in the liquid culture medium were the same under control conditions and in response to mannitol treatment. A small peptide modulates stomatal control via abscisic acid in long-distance signalling 2018-04-03T04:00:00Z So far, the new culture medium appears to work for sheep cells, Ross says, but it has failed with pigs. First cow embryonic stem cells could lead to healthier, more productive livestock 2018-02-05T05:00:00Z Or it may be possible to boost embryos during IVF by growing them in a different culture media - a fertiliser for fertilised eggs. UK scientists edit DNA of human embryos 2017-09-20T04:00:00Z A culture medium is a liquid that forms the bacteria's home while they grow, and can influence the strength and behaviour of the resulting solution. War on fatbergs: Can this 21st Century peril be blitzed? 2019-01-19T05:00:00Z For in vitro treatment of organoids, DT was added to the culture medium at a final concentration of 100 ng ml−1. A distinct role for Lgr5+ stem cells in primary and metastatic colon cancer : Nature : Nature Research 2017-03-28T04:00:00Z A new study published online today in the Proceedings of the National Academy of Sciences proposes a potential reason: too much estrogen in their culture medium. Mouse eggs grown in lab dish 2016-07-25T04:00:00Z So the group, which also included developmental biologist Juan Carlos Izpisúa Belmonte and his team at the Salk Institute in San Diego, California, exposed stem cells isolated from cow embryos to the new culture medium. First cow embryonic stem cells could lead to healthier, more productive livestock 2018-02-05T05:00:00Z The cells were permeated with culture medium as they grew in this bioreactor for 3 weeks. Lab-grown bones restore pig faces 2016-06-15T04:00:00Z Both groups initially removed each embryo’s outer membrane and grew the embryos in two different types of culture media, the first containing fetal bovine serum. Why this lab-grown human embryo has reignited an old ethical debate 2016-05-04T04:00:00Z He told the court he recalled watching his boss and the former News of the World editor, Andy Coulson, as they answered questions at the culture media and sport select committee on 11 March 2003. Sun reporter 'believed he was right' after Rebekah Brooks' evidence - BBC News 2015-10-06T04:00:00Z This would be a single culture medium that could support all tissues, as blood does. Towards a body-on-a-chip 2015-06-11T04:00:00Z Pharmaceutical manufacturers will have a licence to grow the yeast and extract the opiates from the culture medium,’ he says. Opiate-making Yeast Could Lead To "Home-brewed Heroin" 2015-05-19T04:00:00Z Forcing these cells—and culture medium to nourish them—into the tiny spaces of the scaffold is no easy task. Lab-grown bones restore pig faces 2016-06-15T04:00:00Z Microfluidic systems that stream small quantities of culture media through narrow channels containing 3D cell structures can mirror real life better than large-volume culture systems, but these systems must still be carefully designed. Artificial organs: Honey, I shrunk the lungs : Nature : Nature Publishing Group 2015-03-24T04:00:00Z He would then call the Centers for Disease Control and Prevention to obtain the culture medium needed to send tissue samples for genetic identification of the organism. Think Like a Doctor: A Hideous Sore Solved 2014-12-05T05:00:00Z The CO2 bubbles this creates are fed via a tube into a second test tube containing a culture medium for the embryo. 'Shoebox IVF' hope for infertile couples 2014-06-21T04:00:00Z Perhaps a little extra sugar added to its culture medium, jokes bioengineer Daniel Irimia, who is hosting the competition in his laboratory at the Massachusetts General Hospital. The game is on 2014-05-07T17:20:03.278Z The concentrations of urea measured in cell culture medium at the indicated time points are shown relative to the concentrations of urea measured in fresh medium. Mouse liver repopulation with hepatocytes generated from human fibroblasts 2014-04-04T18:27:44.990Z The protocol contains no method for screening for pathogens such as prions or viruses, even though the culture medium used could contain them. Leaked files slam stem-cell therapy 2014-01-08T18:20:40.278Z So the MBVax team set about trying to replicate Tracy's vaccine using modern laboratory techniques — and sterile culture media rather than ground beef. Bacteriology: A caring culture 2013-12-18T18:50:53.896Z You have to—every day—replace the culture medium. Researchers Home in on Biological Ways to Restore Hearing [Excerpt] 2013-02-15T11:15:03.257Z Labels on one bottle said different things in Korean and English and one product used in the culture media was marked “not intended for human or animal diagnostic or therapeutic uses”. Stem cells in Texas: Cowboy culture 2013-02-13T18:20:39.843Z The concentrations of urea measured in cell culture medium at the indicated time points are shown relative to the concentrations of urea measured in fresh medium. Mouse liver repopulation with hepatocytes generated from human fibroblasts 2014-04-04T18:27:44.990Z Last July, the culture media and sport select committee called for the lifting of the limited number of high-stakes gambling machines allowed in each betting shop. High-stakes gambling machines 'suck money from poorest communities' 2013-01-04T20:01:07Z When NGF is withdrawn from the culture medium, the cells retract their fibers, lose their other neuronal properties and resume the uncontrolled proliferation characteristic of neoplastic cells. The Nerve-Growth Factor: A New Tool for Manipulating Neurons 2013-01-03T11:15:00.190Z Reports on Thursday suggested that News Corp. had made informal approaches to the ministry of culture media and sport in order to change the terms of its agreement. Bad Times at The Times 2012-12-13T13:29:00Z "Spinal fluid is a great culture medium—one of the best," he says. Fungal Meningitis Pathogen Discovers New Appetite for Human Brains 2012-11-12T11:45:00.180Z The concentrations of urea measured in cell culture medium at the indicated time points are shown relative to the concentrations of urea measured in fresh medium. Mouse liver repopulation with hepatocytes generated from human fibroblasts 2014-04-04T18:27:44.990Z It borrows an idea from stem cell researchers: adding mouse cells for nourishment, plus a chemical that prevents cell death to an ordinary lab culture medium. 350 surgeries: Bizarre tumor case may lead to custom cancer care 2012-09-26T21:23:27Z Briefly, roughly 10 million cells were grown in appropriate culture media and nuclei were extracted using NP-40 in an isotonic buffer. An expansive human regulatory lexicon encoded in transcription factor footprints 2012-09-05T17:21:56.447Z The cause appears to be the culture media in which the stem cells are grown. Aberrations Pose A Challenge for Reprogramming Stem Cells 2012-08-02T16:41:42Z At 5.24pm the legal director of the department of culture media and sport sent an email saying his remarks were "not helpful and tends towards an element of pre-judging". Cameron: Hunt appointment to BSkyB case was not a 'botched' decision 2012-06-14T19:36:59Z He suggests that an independent group of researchers should be set up to produce guidelines and recommendations on the use of various culture media, and to perform independent effectiveness tests. Drug-Resistant 'Superbugs' Go Undetected 2012-04-27T19:15:00.447Z Cultures were made of these samples, and bacilli of different types were developed in the culture medium in a short time. Paint Technology and Tests 2011-09-15T02:00:12.263Z In 1882 Koch made a further advance by developing a solid culture medium which permitted disinfectants and antiseptics to be studied quantitatively with a greater degree of accuracy than had been possible previously. Chlorination of Water 2011-09-13T02:00:32.243Z This serum is such a good culture medium that an acute abscess is likely to form—the acute bursitis of the surgeons. Psychotherapy 2011-06-19T02:00:20.053Z The problems are largely with the preparation of culture media and samples for analysis, and with the interpretation of the results. From the shadows to the spotlight to the dustbin - the rise and fall of GFAJ-1 2011-06-16T13:15:02.533Z The secretions of the appendix are very apt to decompose: hence a culture medium. Degeneracy Its Causes, Signs and Results 2011-05-02T02:00:17.657Z They placed these in a petri dish containing a specialized culture medium that included a component called KSR, which is often used for culturing embryonic stem cells. Making Sperm in a Petri Dish 2011-03-23T19:35:24Z The perfect purity of kanten is proved by its use as a culture medium in bacteriological work. Candy-Making Revolutionized Confectionery from Vegetables Nearly all species of plants can be grown to full maturity in the entire absence of these elements from their culture medium. The Chemistry of Plant Life Solid culture media may be either permanently solid, like potatoes and coagulated egg, or they may retain their solid properties only at certain temperatures, like gelatin or agar. Outlines of dairy bacteriology A concise manual for the use of students in dairying For culture media, many different substances are employed. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying Speaking generally, those bacilli which give rise to an acid reaction in the culture medium require an alkali; those which form alkali in cultivation require an acid. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. This method applies especially to pathogenic bacteria whose growth on culture media is slow, e.g. the tubercle bacillus. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" Here the germs find lodgment, here they find a culture medium—at the gateway of the human system. Civics and Health Besides these solid culture media, different liquid substances are extensively used, such as beef broth, milk and infusions of various vegetable and animal tissues. Outlines of dairy bacteriology A concise manual for the use of students in dairying Methods of study of: culture, 15; culture media, 13; isolation, 14. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying These, together with various vegetable tissues, physiological or pathological fluid secretions, etc., are collectively spoken of as nutrient media or culture media. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Such toxins being set free in the culture medium are often known as extracellular. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" It closely resembles the typhoid bacillus, but is distinguished from it by its behaviour in artificial culture media. Manual of Surgery Volume First: General Surgery. Sixth Edition. The various culture media, in appropriate containers, are subjected to a thorough steaming in a steam cooker. Outlines of dairy bacteriology A concise manual for the use of students in dairying This large and very irregular surface is bathed in fluid which is a good culture medium and but a single layer of cells covers it. Disease and Its Causes The home is the culture medium, and in no two homes is its composition the same. The Nervous Child An all-important factor in this remarkable progress was the introduction by Koch of solid culture media, of the "plate-method," &c., an account of which he published in 1881. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" Another method of attacking this problem consists in introducing blood from yellow fever patients or recent cadavers into various "culture media" for the purpose of cultivating any germ that might be present. The Making of Arguments Selection was then made of the most favorable flavor-producing types, and these were propagated in suitable culture media, such as skim milk, which was rendered more or less perfectly sterile by pasteurization or sterilization. Outlines of dairy bacteriology A concise manual for the use of students in dairying The culture medium is then heated to a boiling temperature in order to destroy the germs. Common Diseases of Farm Animals Other culture media may be used and such combinations will be found in any text on yeasts. The Vitamine Manual Obviously, such development within the organism where the process of utilizing the body-fluids, etc., follows the same course as in nature, takes on the character of grafting rather than of cultivating in a culture medium. The Great Events by Famous Historians, Volume 21 The Recent Days (1910-1914) It is worth noting that all of our first experiments failed, despite the variety of culture media we employed—urine, beer yeast water, meat water, etc. The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) It has been found that the bacteria which cause diphtheria, tetanus, typhoid, tuberculosis, and many other diseases, produce, even when growing in common culture media, poisons which are of a very violent nature. The Story of Germ Life The bacillus which is supposed to give rise to pneumonia loses its power to produce the disease after having been cultivated for a short time in ordinary culture media in the laboratory. The Story of Germ Life The construction of culture media for various strains of bacteria and the conditions favorable or unfavorable to their growth, are features of study in which the new hypothesis has demanded attention. The Vitamine Manual The micrococcus which causes fowl cholera loses its power if it be cultivated in common culture media, care being taken to allow several days to elapse between the successive inoculations into new culture flasks. The Story of Germ Life Blood from a vein of the arm, pus from the uterine walls and that from a collection in the synovial sac of the knee were all placed in culture media. The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) |
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