Nanometre-scale gold particles are currently intensively investigated for possible applications as catalysts, sensors, biolabels, drug delivery devices, biological contrast agents and as components in photonics and molecular ...
Nanomaterials
Aug 2, 2012
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(Phys.org) -- The crystal structure of a protein in a bacterium being studied for its renewable energy potential suggests that the protein's biological function may be unique to a process leading to hydrogen gas production, ...
Cell & Microbiology
Jul 24, 2012
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Michito Yoshizawa, Zhiou Li, and collaborators at Tokyo Institute of Technology synthesized ~1 nanometer-sized molecular capsules with an isolated cavity using green and inexpensive zinc and copper ions. In sharp contrast ...
Nanomaterials
Jul 13, 2012
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New research from North Carolina State University finds that gold nanoparticles with a slight positive charge work collectively to unravel DNA's double helix. This finding has ramifications for gene therapy research and the ...
Bio & Medicine
Jun 20, 2012
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Japanese researchers revealed the mechanism of the functional properties of oxides with unusual valence Fe. The paper was published in a Nature publishing group journal Scientific Reports.
Materials Science
Jun 18, 2012
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North Carolina State University researchers have shown that the "bulkiness" of molecules commonly used in the creation of gold nanoparticles actually dictates the size of the nanoparticles – with larger so-called ligands ...
Nanomaterials
Jun 18, 2012
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Nitric oxide (NO) is a versatile free radical that plays central roles in the environment as well as living organisms. At low concentration in the human body, for example, NO protects organs against pathogens by acting as ...
Biochemistry
Jun 8, 2012
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During formation of multi-cellular organisms, cells need to talk to each other to make critical decisions as to what kind of cell to become, as well as when and where to become that cell type. The Notch signaling system allows ...
Cell & Microbiology
May 31, 2012
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(Phys.org) -- Certain complexes of large alkaline earth elements such as calcium, strontium, and barium are efficient catalysts for various organic reactions. However, the stability of these heteroleptic complexes in solution ...
Materials Science
May 18, 2012
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A chemistry team at the University of Toronto has discovered environmentally-friendly iron-based nanoparticle catalysts that work as well as the expensive, toxic, metal-based catalysts that are currently in wide use by the ...
Nanomaterials
Mar 27, 2012
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