منابع مشابه
Kinesin: world's tiniest biped.
Kinesin, an essential motor protein that moves intracellular cargo along microtubules, walks like a person. When we walk, our feet exchange roles with each step, one moving and one remaining stationary. The moving foot travels twice as far as our torso during a single step, and our body alternates between two configurations (left vs. right leg leading). Recent work shows that kinesin shares all...
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Looking at mankind's history, one cannot miss the fact that among all natural and man-made disasters, microbes and viruses have had the biggest impact on man's fate. This is the explicit theme of Viruses, Plagues and History and the implicit topic of The Evolution of HIV. However, one cannot imagine two more widely differing books on this topic: the first one is written in a journalistic style ...
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Dust isn't just a nuisance—its ability to clog human airways and carry pathogens poses a human health problem. In the sub-Saharan region of Africa, the World Health Organization pinpointed dust storms exacerbated by the dry season and drought as a cause of outbreaks of meningococcal meningitis. Dust from Saharan storms can reach as far away as Florida, with particles smaller than 2.5 µm traveli...
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The coupling of two s-wave superconductors through a small magnetic dot is discussed. Assuming that the dot charging energy is small compared to the superconducting gap, Ec D, and that the moment of the dot is classical, we develop a simple theory of transport through the dot. The presence of the magnetic dot will position Andreev bound states within the superconducting gap at energies tunable ...
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ژورنال
عنوان ژورنال: Materials Today
سال: 2010
ISSN: 1369-7021
DOI: 10.1016/s1369-7021(10)70078-x