(Phys.org) —Metal ions play critical roles throughout biochemistry, often facilitating the cleavage of the bond between the two atoms in an oxygen molecule in metalloenzymes. They are the key to oxidizing organic molecules ...
Materials Science
Aug 12, 2013
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An international collaboration including researchers from the NIST Center for Nanoscale Science and Technology and the Universidad San Francisco de Quito, Ecuador have fabricated a self-assembled nanofiber from a DNA building ...
Bio & Medicine
Jul 24, 2013
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(Phys.org) —A new software package allows researchers to vastly improve the performance of one of the key tools used to analyse medical and environmental samples.
Software
Jun 19, 2013
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Spindle-shaped inclusions in 3 billion-year-old rocks are microfossils of plankton that probably inhabited the oceans around the globe during that time, according to an international team of researchers.
Earth Sciences
Jun 6, 2013
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(Phys.org) —A unique chemical imaging tool readily and reliably presents volatile liquids to scientific instruments, according to a team including Pacific Northwest National Laboratory. These instruments require samples ...
Analytical Chemistry
May 31, 2013
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Plants are a rich resource of bioactive compounds, many of which have inspired therapeutic drugs. Yet countless plant compounds, potentially with medical uses, still remain to be identified. Kazuki Saito, Ryo Nakabayashi ...
Analytical Chemistry
Apr 26, 2013
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Stephan Winkler, isotope researcher at the University of Vienna, has identified the bomb-pulse of uranium-236 in corals from the Caribbean Sea for the first time. 236U was distributed world-wide in the period of atmospheric ...
Earth Sciences
Dec 17, 2012
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The National Institute of Standards and Technology (NIST) has released a new standard reference material (SRM) to aid in the detection of two explosive compounds that are known to be used by terrorists. Researchers designed ...
Analytical Chemistry
May 30, 2012
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To determine if a tissue biopsy reveals the presence of cancer, a histologist often screens for cells with an abnormal appearance or a specific visible trait such as a larger-than-usual nucleus. However, by the time a cancer ...
Analytical Chemistry
Mar 2, 2011
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Ion funnel technology developed at Pacific Northwest National Laboratory that improves detection and measurement capabilities of mass spectrometry is again showing its commercial value. Agilent Technologies, Inc., has introduced ...
Analytical Chemistry
Oct 19, 2010
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