Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechan ...
Apr 19, 2013
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(Phys.org) —New research from Western University challenges long-held beliefs regarding the demise of Sir John Franklin's ill-fated Northwest Passage expedition that departed from England in 1845.
Apr 09, 2013
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An international team of scientists working at the Plasma Technology research unit at Ghent University, Belgium, has determined for the first time the absolute density of active substances called radicals ...
Nov 12, 2012
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(Phys.org)—The ability of fluorescence microscopy to study labeled structures like cells has now been empowered to deliver greater spatial and temporal resolutions that were not possible before, thanks ...
Nov 02, 2012
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NASA scientist Tom Hanisco is helping to fill a big gap in scientists' understanding of how much urban pollution -- and more precisely formaldehyde -- ultimately winds up in Earth's upper atmosphere where ...
Aug 09, 2012
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Shape and alignment are everything. How nanometer-sized pieces fit together into a whole structure determines how well a living cell or an artificially fabricated device performs. A new method to help understand ...
Aug 08, 2011
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(PhysOrg.com) -- The eyes of sheep infected with scrapie - a neurological disorder similar to mad cow disease - return an intense, almost-white glow when they're hit with blue excitation light, according to a research project ...
Oct 19, 2010
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A paper by researchers at the National Institute of Standards and Technology may breathe new life into the use of a powerful -- but tricky -- diagnostic technique for cell biology. The paper,* appearing this ...
Oct 14, 2010
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Mona Lisa’s mystical smile still puts viewers under a spell. Leonardo Da Vinci attained the perfection and finesse of his paintings with a technique he himself perfected. This technique is called sfumato (from the Italian ...
Aug 11, 2010
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Spectroscopic techniques are among the most important methods by which scientists can look inside materials. They exploit the interaction of light waves with a given sample.
Aug 08, 2010
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(PhysOrg.com) -- The search for time and cost effective as well as sensitive methods for bioanalytical assays is currently of great interest. At the center of Biofunctional Nanomaterials in San Sebastian (Spain), ...
Jun 16, 2010
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(PhysOrg.com) -- UC Davis researchers have developed a laser probe for the early detection of oral cancer. A trial with human subjects shows that the device could also be used during surgery to locate the edges of a tumor.
May 07, 2010
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It is known that fluctuations in the treatment outcome of photodynamic therapy (PDT) between patients are related to the concentration of photosensitizer in target tissue. The purpose of a study, by Wang et al, published ...
Mar 01, 2010
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(PhysOrg.com) -- An interdisciplinary team of researchers has created a new, ultra-sensitive technique to analyze life-sustaining protein molecules. The technique may profoundly change the methodology of biomolecular ...
Oct 27, 2009
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(PhysOrg.com) -- A team of international researchers is the first to uncover the chemical composition and structure of a microelectronics element that is vital to producing ever smaller - and, thus, cheaper ...
Oct 05, 2009
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