| 单词 | NMR |
| 例句 | "The ability of NMR and MRI techniques to directly detect the mobility of atoms and molecules makes them absolutely unique compared to other imaging methods," says Prof. Maxim Zaitsev of the University of Freiburg. A miniature magnetic resonance imager made of diamond 2023-10-19T04:00:00Z AB Foods said on Tuesday that NMR's expertise in the dairy industry would help grow its agriculture business, adding data and technology platforms which help farmers become more profitable, initially in Britain. AB Foods to boost agri-food unit with $60 mln bolt-on 2023-06-06T04:00:00Z In June 1970, he packed up some lab rats in his car and drove to an NMR lab in Pittsburgh, publishing the results of cancer detection in Science the following year. Raymond Damadian, who created first MRI machine, dies at 86 2022-08-18T04:00:00Z NMR has been used for more than 50 years as an analytical tool. College Physics for AP Courses 2015-08-12T00:00:00Z When Dr. Ernst began his research a few years later, there appeared to be relatively few practical applications for NMR beyond chemical analysis. Richard Ernst, Nobel laureate whose research made MRI possible, dies at 87 2021-06-09T04:00:00Z NMR methods can also be used to visualize the diffusion of water and other elements. A miniature magnetic resonance imager made of diamond 2023-10-19T04:00:00Z Those individual pieces can be studied separately from the virus, using cryo-EM, x-ray crystallography or NMR spectroscopy, resulting in atomic or near-atomic detail 3-D models. How I Built a 3-D Model of the Coronavirus for Scientific American 2020-06-25T04:00:00Z At the same time, others were moving into the market using their own variations of the original NMR technology. Raymond Damadian, who created first MRI machine, dies at 86 2022-08-18T04:00:00Z That is because a second company, NMR Consulting, of Chantilly, Va., also filed a protest of the bid with the Government Accountability Office, on July 1. Company with ties to Trump’s brother Robert awarded $33 million government contract 2019-10-26T04:00:00Z But NMR also requires a fair amount of starting material. ‘A new day for chemistry’: Molecular CT scan could dramatically speed drug discovery 2018-10-19T04:00:00Z "Existing NMR methods provide good results, for example when it comes to recognizing abnormal processes in cell colonies," says Dominik Bucher, Professor for Quantum Sensing at TUM. A miniature magnetic resonance imager made of diamond 2023-10-19T04:00:00Z We thank the University of Oxford Advanced Research Computing facility, and N. Rees and H. Tuononen for assistance with NMR and quantum chemical studies, respectively. Synthesis, structure and reaction chemistry of a nucleophilic aluminyl anion 2018-04-15T04:00:00Z Our technique enables analytical NMR spectroscopy at the scale of single cells. High-resolution magnetic resonance spectroscopy using a solid-state spin sensor 2018-03-13T04:00:00Z NMR did not respond to calls and emails seeking comment. Company with ties to Trump’s brother Robert awarded $33 million government contract 2019-10-26T04:00:00Z Fielding, L. NMR methods for the determination of protein-ligand dissociation constants. MEK drives BRAF activation through allosteric control of KSR proteins 2018-02-11T05:00:00Z NMR works by detecting magnetic particles given to a patient before the imaging takes place. This robot made of algae can swim through your body—thanks to magnets 2017-11-22T05:00:00Z I recall him excitedly telling a weekly group meeting in the early 1970s, “NMR is now being used for medical imaging!” Nicolaas Bloembergen (1920-2017) : Nature : Nature Research 2017-10-24T04:00:00Z However, the best reported spectral resolution for NMR of molecules using nitrogen–vacancy centres is about 100 hertz5. High-resolution magnetic resonance spectroscopy using a solid-state spin sensor 2018-03-13T04:00:00Z The NMR claims to follow the National Socialist doctrine of Adolf Hitler, and it opposes mass migration and what it calls “a global Zionist elite.” Neo-Nazi rally in Sweden leads to injuries, arrests 2017-09-30T04:00:00Z The NMR gathered hundreds of people for the march. Dozens arrested during neo-Nazi march in Sweden 2017-09-30T04:00:00Z Using NMR, they observed the microrobots swarm in a rat’s stomach as directed by the magnetic field. This robot made of algae can swim through your body—thanks to magnets 2017-11-22T05:00:00Z The NMR, which is not banned, describes itself on its website as a "national socialist" organisation, referring to the doctrine created by Adolf Hitler's Nazi party. Clashes at Swedish neo-Nazi rally 2017-09-30T04:00:00Z We also use the ensemble of nitrogen–vacancy centres to apply NMR to thermally polarized nuclear spins and resolve chemical-shift spectra from small molecules. High-resolution magnetic resonance spectroscopy using a solid-state spin sensor 2018-03-13T04:00:00Z The counterprotesters clashed with the neo-Nazi marchers, throwing fireworks at the rally and getting into altercations with NMR members who attempted to cross police lines. Neo-Nazi rally in Sweden leads to injuries, arrests 2017-09-30T04:00:00Z The NMR gathered hundreds of people for the march. Dozens arrested during neo-Nazi march in Sweden 2017-09-30T04:00:00Z A paper published by Dr. Bloembergen and co-authors on the subject of NMR was said for many years to be one of the most quoted articles in the physics literature. Nicolaas Bloembergen, winner of Nobel Prize in physics, dies at 97 2017-09-09T04:00:00Z Another scientist, who requested anonymity, says that their lab is reserving available helium stocks for NMR instruments. Qatar blockade hits helium supply 2017-07-03T04:00:00Z NMR chemical shifts of trace impurities: industrially preferred solvents used in process and green chemistry. High-resolution magnetic resonance spectroscopy using a solid-state spin sensor 2018-03-13T04:00:00Z The NMR spectrum also contained peaks consistent with the presence of residual DMF. Effective combinatorial immunotherapy for castration-resistant prostate cancer : Nature : Nature Research 2017-03-19T04:00:00Z In 1959, as a PhD student, Mansfield discovered an unexpected 'solid echo', observable in some solids following a pair of NMR radio excitation pulses. Peter Mansfield (1933-2017) : Nature : Nature Research 2017-03-07T05:00:00Z Edward Purcell was one of the first to demonstrate NMR, and at Harvard, Dr. Bloembeergen became his first graduate student. Nicolaas Bloembergen, winner of Nobel Prize in physics, dies at 97 2017-09-09T04:00:00Z Looking at RNA in a NMR machine, Al-Hashimi noticed that adding a methyl group — and prompting the RNA strand to unravel — actually made it more efficient in this task. A weird twist in DNA might explain why it’s such a great blueprint for life 2016-08-01T04:00:00Z Wheeler, D. D. & Conradi, M. S. Practical exercises for learning to construct NMR/MRI probe circuits. High-resolution magnetic resonance spectroscopy using a solid-state spin sensor 2018-03-13T04:00:00Z But there’s a major drawback: There simply aren’t enough proteins with known structures to provide templates—despite costly efforts to perform industrial-scale x-ray crystallography and NMR spectroscopy. This protein designer aims to revolutionize medicines and materials 2016-07-21T04:00:00Z The finding required sophisticated quantum mechanics to explain, and caught the attention of NMR pioneer Charles Slichter, who invited Mansfield for a postdoc at the University of Illinois, Urbana. Peter Mansfield (1933-2017) : Nature : Nature Research 2017-03-07T05:00:00Z Following his NMR work, Dr. Bloembergen devoted his attention to the amplification of microwave energy and the device for producing this effect, the maser. Nicolaas Bloembergen, winner of Nobel Prize in physics, dies at 97 2017-09-09T04:00:00Z Prosecutors charged three former Nomura Holdings Inc. NMR -1.96 % traders in November with similar charges accusing them of defrauding customers by inflating the prices of mortgage-backed securities. Federal Appeals Court Throws Out Case Against ex-Jefferies Group Bond Trader 2015-12-08T05:00:00Z The bond trade, which was done with Nomura, NMR 0.17 % led to lawsuits between the two banks and a criminal probe by the Italian court. Italian Bank Clean-Up Still Requires Outside Help 2015-09-24T04:00:00Z They were already incorporating constraints from NMR and other techniques. This protein designer aims to revolutionize medicines and materials 2016-07-21T04:00:00Z In 1972, Mansfield was struck by the possibility that NMR could be an alternative to X-rays for studying crystal structures. Peter Mansfield (1933-2017) : Nature : Nature Research 2017-03-07T05:00:00Z "It was a novel question, NMR is well known and well prepared for and is notoriously difficult," said one chemistry teacher. Tough A-level chemistry exam, sparks Twitter tears - BBC News 2015-06-11T04:00:00Z But until recently its resolution hasn’t even been close to crystallography and NMR. Electron microscopes close to imaging individual atoms 2015-05-07T04:00:00Z Although NMR machines are notoriously bulky, in recent years researchers have scaled them down to sizes small enough to fit on a benchtop2, 3. Quick test for malaria shows promise 2014-08-30T04:00:00Z The contest asks modelers to compute the structures of a suite of proteins for which experimental structures are just being worked out by x-ray crystallography or NMR. This protein designer aims to revolutionize medicines and materials 2016-07-21T04:00:00Z NMR exploits the fact that nuclei of certain atoms, including hydrogen, act like tiny bar magnets and line up in a magnetic field. Peter Mansfield (1933-2017) : Nature : Nature Research 2017-03-07T05:00:00Z How would you explain NMR to someone without a scientific background? Q&A: A man of many dimensions 2013-10-16T17:21:35.633Z NMR spectroscopy doesn’t require crystals, but it works only on small proteins. Electron microscopes close to imaging individual atoms 2015-05-07T04:00:00Z “I want to push NMR and MRI to the molecular level,” says Friedemann Reinhard, a physicist at the University of Stuttgart in Germany. Diamond-Based Quantum Devices Shrink MRI to Nanoscale 2013-02-04T17:15:00.363Z The Galisonian approach in the form of x-ray diffraction and NMR has been spectacularly successful in the application of chemistry to biological systems that culminated in the advent of molecular biology in the twentieth century. Chemistry and Biology: Kuhnian or Galisonian? 2012-12-20T13:15:05.163Z Here, he established an enduring link with NMR physicist Jack Powles. Peter Mansfield (1933-2017) : Nature : Nature Research 2017-03-07T05:00:00Z NMR works by probing the responses of atomic nuclei in a magnetic field. Q&A: A man of many dimensions 2013-10-16T17:21:35.633Z Two groups have recently demonstrated quantum computing by NMR, using a four-qubit version to sum 1 and 1. Bringing Schrödinger s Cat to Life 2012-10-09T18:15:11.620Z That was much more like a conventional NMR experiment, and provided more detail about the kind of molecule being probed. Diamond-Based Quantum Devices Shrink MRI to Nanoscale 2013-02-04T17:15:00.363Z X-ray diffraction and NMR have provided us not only with the locations of the atoms in a molecule, but also with invaluable insights into the bonding and energetic features of the arrangements. Chemistry and Biology: Kuhnian or Galisonian? 2012-12-20T13:15:05.163Z The field gradient spread out the NMR signal into an unmistakable diffraction pattern of the layers. Peter Mansfield (1933-2017) : Nature : Nature Research 2017-03-07T05:00:00Z I took a job with Varian Associates in Palo Alto, California, continuing working on NMR development. Q&A: A man of many dimensions 2013-10-16T17:21:35.633Z So the NMR technique may not enter a meaningful computational realm of at least 50 bits. Bringing Schrödinger s Cat to Life 2012-10-09T18:15:11.620Z Just like a message containing prime numbers would reveal knowledge of mathematics, a message containing a swarm of C-enriched molecules would reveal knowledge of chemistry and NMR spectroscopy. Better (extraterrestrial) communication through chemistry: Isotopes and mirror-image molecules 2012-07-25T17:45:03.207Z One company, Bruker Biospin of Cologne, Germany, sells a juice screener that uses NMR spectroscopy and a library of more than 3,000 reference samples of 30 types of fruit from 50 countries. Technology: The taste of things to come 2012-06-25T13:21:13.797Z The “percussion” in the song consists of actual sounds generated by a 1.5-Tesla NMR machine. Best Science Song of All Time, Verse 2 2012-02-09T22:45:00.167Z NMR spectroscopy uses the behaviour of nuclei in a magnetic field to determine the chemical environment in which they reside. Q&A: A man of many dimensions 2013-10-16T17:21:35.633Z Amino acids unique to the NMR are highlighted in red, and conserved motifs in blue. b, Topology of UCP1. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Both are attempting to measure the amount of discord at each stage of a computation — Du using liquid NMR and electron-spin resonance systems, and Ma using photons. Quantum computing: The power of discord 2011-06-01T17:20:32.257Z Often used in metabolomics, which screens biological samples for the by-products of metabolic activity, NMR is a good way to detect toxic effects of new drugs. Technology: The taste of things to come 2012-06-25T13:21:13.797Z A doctor could use a smart phone to read a portable NMR device that analyzes possible cancer cells. Cancer Diagnosis by Smart Phone 2011-02-23T19:45:54Z First, NMR allows you to determine the structure and connectivity of molecules or even to image the human body. Q&A: A man of many dimensions 2013-10-16T17:21:35.633Z Thus, in spite of some exceptional traits, the overall properties of the NMR genome appeared to be similar to those of other mammals. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Their ratio is much higher than in other studied organisms, including human, which appears to signal relaxation of purifying selection in the NMR, potentially as a consequence of reduced effective population size. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Malmendal, along with colleagues from the University of Naples Federico II in Italy, used NMR spectroscopy to identify different brands of canned tomatoes. Technology: The taste of things to come 2012-06-25T13:21:13.797Z A standard chemistry lab's NMR machine approaches the size of a file cabinet, but the new device is only about as big as a coffee cup. Cancer Diagnosis by Smart Phone 2011-02-23T19:45:54Z Long lifespan is a key feature of the NMR. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Figure 2: Common and unique NMR gene families. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Amino acids unique to the NMR are highlighted in red, and conserved motifs in blue. b, Topology of UCP1. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z We further examined the molecular basis for poor visual function and small eyes in the NMR. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z They then labeled the cells with various magnetic nanoparticles designed to attach to known cancer-associated proteins and injected the cells into their miniature NMR machine. Cancer Diagnosis by Smart Phone 2011-02-23T19:45:54Z Figure 2: Common and unique NMR gene families. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Identification of genes that have undergone positive selection in the NMR lineage can provide useful pointers to the evolution of its unique traits. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Regions affected in the NMR are highlighted. c, Structural model of UCP1. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Location of the channel and the nucleotide-binding loop with altered sequences in the NMR are shown. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Regions affected in the NMR are highlighted. c, Structural model of UCP1. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Location of the channel and the nucleotide-binding loop with altered sequences in the NMR are shown. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Overall, these analyses point to altered telomerase function in the NMR, which may be related to its evolution of extended lifespan and cancer resistance. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Although melatonin signalling appears to be disrupted in the NMR, its circadian rhythms were maintained in terms of locomotor activity and body temperature when exposed to periodic light/dark changes. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z The NMR is also unique in that its skin and cutaneous C-fibres lack the neuropeptide Substance P, making this animal insensitive to certain types of pain. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z For at least ten of these genes, we observed relaxation of the functional constrain on NMR sequences by estimating the ratio of non-synonymous to synonymous substitutions, which corroborated the dysfunction of these genes. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z Thus, while some genes responsible for vision are preserved in the NMR, its poor visual function may be explained by deterioration of genes coding for various critical components of the visual system. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z The variation of diversity along the genome was consistent with inbreeding in the NMR population. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z In particular, the NMR appears to lack the phenylthiocarbamide taste, a dominant genetic trait in humans, as well as several other common bitter tastes. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z To summarize, sequencing and analysis of the NMR genome revealed numerous insights into the biology of this remarkable animal. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z The sequenced individual male NMR was from a captive breeding colony located at the University of Illinois, Chicago. Genome sequencing reveals insights into physiology and longevity of the naked mole rat 2011-11-15T17:21:47.017Z |
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