Scientists have designed a molecule which, in living cells, emits turquoise light three times brighter than possible until recently. This improves the sensitivity of cellular imaging, a technique where biological processes ...
Cell & Microbiology
Mar 20, 2012
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Quantum dots (QDs) are tiny crystals of semiconducting material that produce fluorescence. The color or the wavelength of the fluorescence is dependent on the size, shape and composition of QDs. Larger QDs tend to emit light ...
Nanomaterials
Mar 1, 2012
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(PhysOrg.com) -- US scientists have synthesized a polymethine dye that can be used for fluorescence anisotropy imaging in the near-infrared (NIR) spectral range, making new in vivo applications of this technique possible. ...
Analytical Chemistry
Feb 17, 2012
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(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a breeze passes by, ...
Plasma Physics
Feb 6, 2012
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North Carolina State University researchers have created specially engineered mammalian cells to provide a new "chemical handle" which will enable researchers to label proteins of interest more efficiently, without disrupting ...
Biochemistry
Feb 5, 2012
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The same principle that causes figure skaters to spin faster as they draw their arms into their bodies has now been used by Michigan State University researchers to understand how molecules move energy around following the ...
Materials Science
Dec 22, 2011
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Could controlling cell-membrane fat play a key role in turning off disease?
Biochemistry
Oct 9, 2011
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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 and predict ...
Bio & Medicine
Aug 8, 2011
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To search for life on Mars, future astronauts would naturally want to step outside their living habitat for a walk. But the spacesuits keeping them alive might also carry Earth microbes or ingredients of life that could contaminate ...
Space Exploration
Jun 16, 2011
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Living cells are virtuosos of chemistry. At any one time, countless chemical reactions are taking place within each cell. For researchers trying to understand how cells function, unraveling this complex chemistry is an ongoing ...
Analytical Chemistry
May 27, 2011
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