(Phys.org) —Understanding what happens to a material as it undergoes phase transformations – changes from a solid to a liquid to a gas or a plasma – is of fundamental scientific interest and critical for optimizing ...
Nanomaterials
Aug 26, 2013
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(Phys.org) —A Stanford University bioengineer has helped develop a technology that can tweak the control systems that regulate the inner workings of cells, pointing the way toward future medical interventions that could ...
Cell & Microbiology
Aug 16, 2013
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(Phys.org) —By studying a gene in yeast, a team of scientists has found that modifications to histones—proteins associated with DNA—can control whether or not a gene is allowed to function and may be important in maintaining ...
Biotechnology
Aug 6, 2013
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Long before humans understood the principles of genes and heritability, they were already shaping animal evolution through selective breeding. The various domesticated species we cultivate today are the product of a centuries-long ...
Biotechnology
Jun 7, 2013
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Spinning-disk confocal microscopy is an optical imaging technique that can be used to generate detailed three-dimensional fluorescence images of living cells and their contents. Although a powerful tool for observing dynamic ...
General Physics
May 17, 2013
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(Phys.org) —A new study by scientists in the U.S. and Taiwan has shown that birds have colorful and patterned feathers because of specific cellular interactions involving stem cells rather than through the direct involvement ...
Most of us are familiar with the "winter blues," the depression-like symptoms known as "seasonal affective disorder," or SAD, that occurs when the shorter days of winter limit our exposure to natural light and make us more ...
Plants & Animals
Apr 25, 2013
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Many proteins undergo extensive modification after being synthesized, particularly those that are secreted or embedded in the cell membrane. This is achieved within the Golgi apparatus (see image), a cellular organelle consisting ...
Cell & Microbiology
Apr 24, 2013
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Understanding exactly how stem cells form into specific organs and tissues is the holy grail of regenerative medicine. Now a UC Santa Barbara researcher has added to that body of knowledge by determining how stem cells produce ...
Cell & Microbiology
Apr 22, 2013
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Stem cells can be coaxed to grow into new bone or new cartilage better and faster when given the right molecular cues and room inside a water-loving gel, researchers at Case Western Reserve University show.
Materials Science
Apr 11, 2013
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