News tagged with nuclear magnetic resonance spectroscopy
A step closer to understanding, averting drug resistance
(Medical Xpress) -- The multidrug transporter EmrE functions as an asymmetric antiparallel dimer (molecule with two subunits). Drug (blue) transport from the inside to the outside of the cell membrane is accomplished ...
Jan 31, 2012 |
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12 new flavonoids discovered in Kew tree
Scientists at Kew interested in the classification of legumes have been studying the chemistry of the Kentucky yellow-wood (Cladrastis kentukea). Evidence from DNA sequencing suggested that this species is ...
Jan 10, 2012 |
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Model of enzyme's structure could spur new therapies
In many pharmaceutical company and university laboratories, scientists are looking closely at kinase complexes because the enzymes play key roles in essential cell functions. By taking unusual steps to examine a kinase complex, ...
Nov 06, 2011 |
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'Magnetic tongue' ready to help produce tastier processed foods
The "electronic nose," which detects odors, has a companion among emerging futuristic "e-sensing" devices intended to replace abilities that once were strictly human-and-animal-only. It is a "magnetic tongue" ...
Chemistry / Analytical Chemistry
Oct 26, 2011 |
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Citrate key in bone's nanostructure
Bone is one of nature's surprising "building materials." Pound-for-pound it's stronger than steel, tough yet resilient. Scientists at the U.S. Department of Energy's Ames Laboratory have identified the composition ...
Nanotechnology / Nanomaterials
Jun 08, 2011 |
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Hand-held NMR instrument yields rapid analysis of human tumors
Using a handheld molecular imaging device in combination with magnetic nanoparticles and a smartphone, a team of investigators from the Massachusetts General Hospital and Harvard Medical School has developed a fast, portable ...
Nanotechnology / Bio & Medicine
Mar 28, 2011 |
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How authentic is your pomegranate juice?
You pick up a bottle of pomegranate juice at the store because you've learned that, although it costs more than most juices, it is replete with antioxidants that bring health benefits. But wait: Is the juice ...
Nov 29, 2010 |
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New research divines structure for class of proteins
(PhysOrg.com) -- Most proteins are shapely, but about one-third of them lack a definitive form, at least that scientists can readily observe. These intrinsically disordered proteins (IDPs) perform a host of ...
Sep 21, 2010 |
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Research divines structure for class of proteins
Most proteins are shapely. But about one-third of them lack a definitive form, at least that scientists can readily observe. These intrinsically disordered proteins (IDPs) perform a host of important biological ...
Sep 08, 2010 |
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Chemists discover method to create high-value chemicals from biomass
Iowa State University researchers have found a way to produce high-value chemicals such as ethylene glycol and propylene glycol from biomass rather than petroleum sources.
Sep 02, 2010 |
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Scientists home in on lithium battery safety flaws
Scientists at Cambridge have developed a simple, accurate way of "seeing" chemistry in action inside a lithium-ion battery.
Chemistry / Analytical Chemistry
May 16, 2010 |
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First NMR Signal of a Copper Site in Azurin Obtained
(PhysOrg.com) -- Metalloproteins, such as the copper-containing azurin, play a major role in catalyzing electron transfer in cellular reactions. Understanding how their structure relates to function can give ...
Chemistry / Analytical Chemistry
Feb 18, 2010 |
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First discovery of the female sex hormone progesterone in a plant
In a finding that overturns conventional wisdom, scientists are reporting the first discovery of the female sex hormone progesterone in a plant. Until now, scientists thought that only animals could make progesterone. ...
Feb 04, 2010 |
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Marine lab hunts subtle clues to environmental threats to blue crabs
The Atlantic blue crab, Callinectes sapidus, long prized as a savory meal at a summer party or seafood restaurant, is a multi-million dollar source of income for those who harvest, process and market the crustacean along ...
Jan 26, 2010 |
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Reaching the summit of protein dynamics
Understanding the incredibly speedy atomic mechanisms at work when a protein transitions from one shape to another has been an elusive scientific goal for years, but an essential one for elucidating the full ...
Dec 10, 2009 |
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