News tagged with fractionated
Proteogenomic strategies help refine annotations of three Yersinia strains
(Phys.org) -- Strains of bacteria from the genus Yersinia are pathogenic with a wide virulence range -- Y. pseudotuberculosis causes intestinal distress, and Y. pestis causes the plague.
Apr 12, 2012 |
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Scientists demonstrate the power of optical forces in blood cell identification
(PhysOrg.com) -- U.S. Naval Research Laboratory researchers Dr. Sean J. Hart, Dr. Colin G. Hebert and Mr. Alex Terray have developed a laser-based analysis method that can detect optical pressure differences ...
Chemistry / Analytical Chemistry
Oct 12, 2011 |
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Packing it all in for the holidays: Scientists see how many polyhedrons can fit into a box
Whether it is Christmas shoppers mailing last minute gifts, or a steelyard dispatching ball bearings to factories, everyone wants to maximize the number of objects that fit into a container. Naturally the ...
Dec 20, 2010 |
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First US trial of bone-marrow stem cells for heart attack patients proves safe
The first randomized, placebo-controlled U.S. clinical trial to assess the use of bone marrow-derived mononuclear cells (BMC) in patients after a ST-elevation myocardial infarction (STEMI; severe heart attack) demonstrated ...
Medicine & Health / Medical research
Sep 14, 2010 |
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New study confirms exotic electric properties of graphene
(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Nanotechnology / Nanomaterials
Nov 17, 2009 |
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Wet ethanol production process yields more ethanol and more co-products
Using a wet ethanol production method that begins by soaking corn kernels rather than grinding them, results in more gallons of ethanol and more usable co-products, giving ethanol producers a bigger bang for their buck - ...
Nov 09, 2009 |
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A trillion triangles: New computer methods reveal secrets of ancient math problem
Mathematicians from North America, Europe, Australia, and South America have resolved the first one trillion cases of an ancient mathematics problem. The advance was made possible by a clever technique for ...
Sep 22, 2009 |
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Bone marrow cell therapy may be beneficial for patients with ischemic heart disease
The injection of bone marrow cells into the heart of patients with chronic myocardial ischemia (reduced blood flow to some areas of the heart) was associated with modest improvements in blood flow and function of the left ...
Medicine & Health / Diseases, Conditions, Syndromes
May 19, 2009 |
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Origins of sulfur in rocks tells early oxygen story
(PhysOrg.com) -- Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced ...
Space & Earth / Earth Sciences
Apr 16, 2009 |
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Adult brain processes fractions 'effortlessly'
Although fractions are thought to be a difficult mathematical concept to learn, the adult brain encodes them automatically without conscious thought, according to new research in the April 8 issue of The Jo ...
Medicine & Health / Neuroscience
Apr 07, 2009 |
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Older patients with 1 type of heart failure may receive little or no benefit from drugs
People over 80 years of age suffering from a certain type of heart failure do not appear to benefit from most commonly prescribed heart medications, according to a study conducted at the Cedars-Sinai Heart Institute and published ...
Medicine & Health / Diseases, Conditions, Syndromes
Mar 12, 2009 |
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Cross-Dressing Rubidium May Reveal Clues for Exotic Computing
(PhysOrg.com) -- Neutral atoms--having no net electric charge--usually don't act very dramatically around a magnetic field. But by “dressing them up” with light, researchers at the Joint Quantum Institute, a collaborative ...
Feb 25, 2009 |
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US petroleum dependency factor of history
When the Drake Oil Well in Titusville, Pennsylvania began seeping crude oil 150 years ago, humanity allowed itself to become engulfed in the ecology of oil, according to a Penn State environmental historian. Now in the midst ...
Feb 14, 2009 |
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Efficacy of stents is improved when their placement is determined by arterial blood flow measurement
Reperfusion therapy in the form of percutaneous coronary intervention (PCI) is now the recommended first treatment for victims of acute myocardial infarction. New European guidelines issued in November 2008 emphasised speed ...
Medicine & Health / Medical research
Feb 06, 2009 |
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