| 单词 | nuclear magnetic resonance |
| 例句 | “You have to be worrying about the supply at all times,” says Sophia Hayes, a chemist at Washington University in St. Louis who uses nuclear magnetic resonance machines to study the structure of materials. Impending sale of scientifically critical helium sparks worries 2023-11-05T04:00:00Z A comparison of experimental and simulated nuclear magnetic resonance spectra of the crystal suggested that the giant molecular rotor rotates in 90-degree intervals at a frequency in the range of 100-400 kHz. Making elbow room: Giant molecular rotors operate in solid crystal 2023-09-29T04:00:00Z The title acronym translates as “nuclear magnetic resonance,” the meaning of which becomes clear when an important peripheral character undergoes a brain scan, with none-too-promising results. Review: ‘R.M.N.’ is a must-see Romanian drama — and a Christmas movie like no other 2023-04-27T04:00:00Z Moreover, other options, such as nuclear magnetic resonance spectroscopy, required cutting large parts of the protein or chemically manipulating it in a way that would transform its physiological state and potentially alter its function. Scientists uncovered the structure of the key protein for a future hepatitis C vaccine — here’s how 2022-12-13T05:00:00Z But an electrical surge from the unstable grid fried the circuit board of a nuclear magnetic resonance machine, used for determining crystal structures. Hero city: Crippled by Russian attacks, Ukraine’s science hotbed refuses to give up 2022-12-06T05:00:00Z At UPR, scientists who use a nuclear magnetic resonance spectrometer for their work have had to use flashlights as they pour the liquid nitrogen needed to maintain the instrument. Researchers in Puerto Rico struggle to adapt in the aftermath of Hurricane Fiona 2022-09-27T04:00:00Z At NIST, his specialty was nuclear magnetic resonance with metals. Community deaths 2022-01-20T05:00:00Z 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 “The nuclear magnetic resonance phenomenon is a gift from nature,” he says. A Portable MRI Makes Imaging More Democratic 2021-12-16T05:00:00Z Mapping proteins’ shapes down to the atomic scale has until recently required costly and slow experimental techniques, such as x-ray crystallography and nuclear magnetic resonance spectroscopy. AI cracks the code of protein complexes—providing a road map for new drug targets 2021-11-10T05:00:00Z AlphaFold’s predictions were poor matches to experimental structures determined by a technique called nuclear magnetic resonance spectroscopy, but this could be down to how the raw data is converted into a model, says Moult. DeepMind’s AI Makes Gigantic Leap in Solving Protein Structures 2020-12-01T05:00:00Z Many emerging tools, such as using nuclear magnetic resonance to study ground porosity, show potential but need further development. NSF pushed to boost funding for dating and squeezing rocks 2020-05-19T04:00:00Z His team obtained this using techniques such as nuclear magnetic resonance and X-ray crystallography. Jack Baldwin (1938–2020) 2020-02-06T05:00:00Z In fact, analysis using nuclear magnetic resonance spectroscopy did indicate distinct structural features in a subset of Strohäker and colleagues’ samples. Neurodegenerative diseases distinguished through protein-structure analysis 2020-02-04T05:00:00Z Its researchers are also credited with developing drugs for multiple sclerosis and colorectal cancer, and a tool called nuclear magnetic resonance for the study of biological and non-biological material. Top 10 academic institutions in 2018: normalized 2019-06-18T04:00:00Z Surging research investment means that expensive devices, such as infrared and nuclear magnetic resonance spectrometers and elemental analysers, though unaffordable to many chemistry labs in the West, are standard equipment in Chinese research universities. Strong spending compounds chemistry prowess 2018-12-11T05:00:00Z When the researchers examined how the virus’ short fiber and polySia interacted using a technique called nuclear magnetic resonance, they found the explanation for why HAdV-52 prefers this form of the sugar. Could a virus with a sweet tooth become a weapon against cancer? 2018-06-01T04:00:00Z 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 A study of J-coupling spectroscopy using the Earth’s field nuclear magnetic resonance inside a laboratory. High-resolution magnetic resonance spectroscopy using a solid-state spin sensor 2018-03-13T04:00:00Z Qatar is the second-largest supplier of liquefied helium, which scientists rely on to cool superconducting magnets inside nuclear magnetic resonance spectrometers, magnetic resonance imaging scanners, particle accelerators, and much else besides. Helium should be recycled 2017-07-03T04:00:00Z The urine samples are analysed to determine the structure of the chemicals floating around in it using a technique called a proton nuclear magnetic resonance spectroscopy. Urine test reveals what you really eat - BBC News 2017-01-12T05:00:00Z She and her colleagues ran the evidence through a nuclear magnetic resonance spectrometer, which pulses samples with a magnetic field to help map the position of different atoms. Inside the DEA: A chemist’s quest to identify mystery drugs 2016-12-21T05:00:00Z Work on nuclear magnetic resonance led to the MRI scanner. The Dividends of Funding Basic Science 2016-12-06T05:00:00Z At Caltech, Dr. Roberts persuaded Dr. Pauling and the university’s board to buy a nuclear magnetic resonance spectroscopy machine, which was the first sold to a university. John D. Roberts Dies at 98; He Revolutionized the Field of Organic Chemistry 2016-11-06T04:00:00Z U.S. officials hope the purchase will pave the way for other countries to buy the heavy water, which can be used in the development of semiconductors and nuclear magnetic resonance imaging. U.S. to buy heavy water from Iran's nuclear program 2016-04-22T04:00:00Z In the science hall, which is stocked with the latest laboratory equipment — a gene sequencer, a nuclear magnetic resonance spectrometer and so on — faculty members take pride in teaching evolution alongside biblical creationism. For many at Liberty University, guns and God go hand in hand 2015-12-14T05:00:00Z At the end of each group period, both the space and control whiskies will be tested using several techniques, including a phase shifting interferometer, small angle X-ray scattering, and nuclear magnetic resonance. Suntory Is Sending Whisky Into Space (For Science) 2015-07-31T04:00:00Z The UCL team tested around 70 products overall, using two methods - nuclear magnetic resonance spectroscopy and high performance thin layer chromatography - to study their composition. Herbal food supplement labels 'can be misleading' - BBC News 2015-07-13T04:00:00Z One of his most notable contributions was in popularizing nuclear magnetic resonance spectroscopy, which was developed by physicists to understand chemical structures and reaction mechanisms. John D. Roberts Dies at 98; He Revolutionized the Field of Organic Chemistry 2016-11-06T04:00:00Z Other research groups are gathering evidence for amyloid-β strains using nuclear magnetic resonance techniques, or applying prion assays to probe whether different strains of tau exist. Alzheimer’s research takes a leaf from the prion notebook 2015-05-28T04:00:00Z Some companies are taking steps to reduce the problem, including some highly sophisticated ones like ultrasound and nuclear magnetic resonance techniques. Here's the Terrifying Truth About Metal Shards in Your Food 2015-03-18T04:00:00Z The imaging equipment — which includes nuclear magnetic resonance spectrometers, electron microscopes and super-resolution microscopes — will support “a significant component” of research at the building, says the Crick. Francis Crick Institute raises alarm about train line 2015-02-24T05:00:00Z 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 In scientific circles, Callaghan was celebrated for his work on nuclear magnetic resonance; to Kiwis he was probably best known for having recently been named New Zealander of the Year. New Zealand’s Crusade Against Mammals | The New Yorker 2014-12-15T05:00:00Z Bajaj is an expert in nuclear magnetic resonance, which is used to measure the structure of organic compounds in great detail. Meet the Google X Life Sciences Team - Digits - WSJ 2014-07-25T04:00:00Z By then Dr. Glimcher had already done much of his acclaimed work in bone calcification using new technology, like the electron microscope and nuclear magnetic resonance equipment. Dr. Melvin J. Glimcher, Prosthetics Innovator, Dies at 88 2014-05-30T04:00:00Z Chemist Jennie Mayer of Bellevue College in Washington wanted to learn how to maintain a new mass spectrometer and nuclear magnetic resonance spectrometer purchased by her institute. Continuing education: Study broad and deep 2014-05-07T17:20:35.619Z Haroche said that his research, like the early work on lasers or nuclear magnetic resonance, was done without a practical purpose in mind. Physics Nobel prize awarded for crucial step towards quantum computing 2012-10-09T13:14:08Z Structural biologists use the nuclear magnetic resonance data to probe questions such as how proteins contort as they catalyse reactions. Databases fight funding cuts 2012-09-05T17:20:29.030Z A civilization that has discovered nuclear magnetic resonance could be considered reasonably intelligent. Better (extraterrestrial) communication through chemistry: Isotopes and mirror-image molecules 2012-07-25T17:45:03.207Z For my own research, I am excited to meet Kurt Wuthrich, who developed very important methods in nuclear magnetic resonance that I hope to employ in my future research. 30 under 30: An MRI Researcher with a Passion for Teaching 2012-06-20T11:15:00.423Z From there we used crystallography and nuclear magnetic resonance to establish the structure of the proteins. Turning point: Jim Hoch 2012-06-13T17:20:44.627Z Here, we report on the ex vivo detection of 2HG in -mutated tissue samples from patients with recurrent low-grade gliomas using the nuclear magnetic resonance technique of proton high-resolution magic angle spinning spectroscopy. [Research Articles] Magnetic Resonance of 2-Hydroxyglutarate in IDH1-Mutated Low-Grade Gliomas 2012-01-11T20:25:08.257Z In exploring how atoms and molecules absorb and emit light in magnetic fields, Ramsey paved the way for studies of nuclear magnetic resonance, the basis of MRI machines. Do You Use GPS? Say "Thanks" to Norman Ramsey (1915-2011) 2011-11-11T00:15:00.237Z Dr. Ramsey’s research helped lay the groundwork for nuclear magnetic resonance, whose applications include the M.R.I. technique now widely used for medical diagnosis. Norman Ramsey Dies at 96; Work Led to the Atomic Clock 2011-11-07T03:54:38Z Mention of nuclear magnetic resonance was relegated to the last two paragraphs, where it was called “one of the newest methods of imaging, and probably furthest from clinical application.” First Mention: M.R.I., 1974 2011-05-16T19:59:07Z The machine analyzed the samples using nuclear magnetic resonance—measuring levels of the antibody-bound proteins based on their magnetic properties. Cancer Testing? There's an App for That 2011-05-05T11:45:00.267Z The approach, called solid-state nuclear magnetic resonance spectroscopy, delivers images similar to MRI, but with key differences. Charging against the Flu: Studying the Virus on the Atomic Level 2011-02-10T14:45:05.197Z Certain nuclei were soon discovered also to possess spin, leading to the development of nuclear magnetic resonance spectroscopy. This Week in Science 2011-01-20T19:25:00.570Z |
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