Archive: 30/03/2007

Cells selectively absorb short nanotubes

DNA-wrapped single-walled carbon nanotubes (SWCNTs) shorter than about 200 nanometers readily enter into human lung cells and so may pose an increased risk to health, according to scientists at the National Institute of Standards ...

dateMar 30, 2007 in Nanomaterials
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Titanium dioxide -- It slices, it dices ...

Chemists from the National Institute of Standards and Technology and Arizona State University have proposed an elegantly simple technique for cleaving proteins into convenient pieces for analysis. The prototype sample preparation ...

dateMar 30, 2007 in
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Wolves remain elusive in lower Michigan

Michigan wildlife officials said they are convinced there are gray wolves in the Lower Peninsula even though no one has spotted a pack.

dateMar 30, 2007 in
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