News tagged with highly heterogeneous
Strange travels: Unusual journey of transport phenomena in fractured materials
Space & Earth / Earth Sciences
Dec 17, 2008 |
4 / 5 (1) |
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Transport phenomena in highly heterogeneous media can be dramatically different from those in homogeneous media and therefore are of great fundamental and practical interest. Anomalous transport occurs in semiconductor physics, ...
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Natural Oils Can Be Hydrogenated Without Making Unhealthy Trans Fats
Jan 23, 2009 |
3.4 / 5 (7) |
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(PhysOrg.com) -- To prolong the shelf life of foods, manufacturers often add hydrogen to natural oils, a process called hydrogenation. But hydrogenation also results in the production of trans fats, which have adverse health ...
The communal stomach of an ant colony
May 06, 2009 |
5 / 5 (2) |
1
(PhysOrg.com) -- How do ant colonies manage the nutrients in their food? Audrey Dussutour from the Centre de recherche sur la cognition animale (CNRS/Université Paul Sabatier) and Steve Simpson from ...
Computer predicts reactions between molecules and surfaces, with 'chemical precision'
Chemistry / Analytical Chemistry
Nov 06, 2009 |
5 / 5 (2) |
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Good news for heterogeneous catalysis and the hydrogen economy: computers can now be used to make accurate predictions of the reactions of (hydrogen) molecules with surfaces. An international team of researchers, headed by ...
The hippocampus plays a fundamental role in the computing of uncertainty
Medicine & Health / Neuroscience
Apr 30, 2009 |
4.8 / 5 (4) |
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The hippocampus, a key brain region for memory and learning, codes the degree of uncertainty of potential reward situations. This fundamental role has just been demonstrated by Giovanna Vanni-Mercier and her colleagues at ...
Cancer signatures uncovered
Biology /
Aug 15, 2008 |
4.6 / 5 (5) |
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A new systematic analysis of the relationship between the neoplastic and developmental transcriptome provides an outline of trends in cancer gene expression. The research, published recently in BioMed Central's open access ...
A first in integrated nanowire sensor circuitry
Aug 04, 2008 |
4.5 / 5 (28) |
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Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley have created the world's first all-integrated sensor circuit based on nanowire ...
Mean new microRNA data analysis method gives sharper results
Jun 16, 2009 |
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Our understanding of the importance of microRNAs in regulating gene expression is expanding, and with it our requirement for robust methods to measure their expression levels. Now a new method published in BioMed Central's ...
Researchers Create First Synthetic Cellulosome in Yeast
Oct 29, 2009 |
5 / 5 (3) |
1
(PhysOrg.com) -- A team of researchers led by University of California, Riverside (UCR) Professor of Chemical Engineering Wilfred Chen has constructed for the first time a synthetic cellulosome in yeast, which is much more ...
Genetic signature predicts outcome of pediatric liver cancer
Dec 08, 2008 |
4.3 / 5 (3) |
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Scientists have identified a genetic signature that is remarkably effective at predicting the prognosis of an aggressive liver cancer in children. The research, published by Cell Press in the December issue of the journal ...
A new molecular marker of gastric cancer
Mar 30, 2009 |
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Gastric cancer (GC) is one of the most common malignancies in the world with a high incidence and death rate. TNM staging system is used worldwide to predict prognosis and direct therapeutic decisions of patients with GC. ...
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