منابع مشابه
A Boost for Superconducting Logic
The key component of state-of-the-art magnetic memories and sensors is a device called a spin valve, whose electrical resistance depends on the relative alignment of the magnetizations of two thin ferromagnetic elements. Researchers are interested in developing superconducting analogs of the spin valve to be used in “cryogenic memory” technologies that consume little power and dissipate little ...
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Researchers will soon be jostling for access to a new generation of NMR spectrometers allowing analysis of ever larger proteins, reports Michael Gross A shiny UFO has landed a few miles from Oxford, and rolled out a spiral staircase. That's at least what you might be forgiven for thinking when you see the latest product of Oxford Instruments: an NMR magnet muscling up to 21.1 tesla, correspondi...
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This approach has been talked about, but people didn't take it seriously But Wimmer did make something that evoked the word that assures stories prominent play: 'terrorism'. As the Independent wrote, '[T]hey wanted to show how easily lethal diseases could be developed by bioterrorists. In principle it would be possible to use the same procedure to make far deadlier but more complex viruses, suc...
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amino-group of lysines is an important switch in gene regulation and protein activity and has gained increasing interest in molecular biology and drug discovery in the last decade. One of the enzyme families that catalyze the cleavage of an acetyl group are the NAD+-dependent protein deacetylases, the sirtuins. The human sirtuins have seven members, Sirt1-7. Even though the biology of the sirtu...
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ژورنال
عنوان ژورنال: Nature
سال: 1990
ISSN: 0028-0836,1476-4687
DOI: 10.1038/347123a0