News tagged with gold surface

An electronic tongue for protein analysis

(Phys.org)—Electronic noses are used to sniff out exhaust fumes and assist with quality control of foods. Less well known is the fact that equivalent devices, electronic tongues, are capable of recognizing dissolved substances. ...

dateSep 28, 2012 in Analytical Chemistry
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The finest gold dust in the world

(Phys.org) -- Scientists at the Vienna University of Technology found a method to locate single gold atoms on a surface. This should pave the way to better and cheaper catalysts.

dateMay 30, 2012 in Nanophysics
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Solved: The mystery of the nanoscale crop circles

(PhysOrg.com) -- Almost three years ago a team of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) was performing an experiment in which layers of gold mere nanometers (billionths ...

dateMar 02, 2012 in Nanophysics
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Cobblestones fool innate immunity

Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...

dateNov 29, 2011 in Bio & Medicine
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Nanoparticle imaging: A resonant improvement

Raman spectroscopy is a powerful technique for analyzing atomic structure based on the inelastic scatter of light from molecules, with diverse applications including medical imaging and chemical sensing. Researchers have ...

dateOct 28, 2011 in Bio & Medicine
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