Neutrophils, critical components of the immune system's response to bacteria and other pathogens, throw out tube-like tethers that act as anchor points, controlling their speed as they roll along the walls of blood vessels ...
Cell & Microbiology
Dec 17, 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 to a new method developed ...
General Physics
Nov 2, 2012
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(Phys.org)—Early detection of soft-tissue diseases, such as breast cancer, typically requires invasive biopsies. Now, a new self-assembled nanoparticle developed by Bin Liu at the A*STAR Institute of Materials Research ...
Bio & Medicine
Oct 24, 2012
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The glowing green molecule known as green fluorescent protein (GFP) has revolutionized molecular biology. When GFP is attached to a particular protein inside a cell, scientists can easily identify and locate it using fluorescence ...
Biotechnology
Oct 22, 2012
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Much like the checkout clerk uses a machine that scans the barcodes on packages to identify what customers bought at the store, scientists use powerful microscopes and their own kinds of barcodes to help them identify various ...
Biochemistry
Sep 24, 2012
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If you take hold of a DNA molecule and twist it, this creates 'supercoils', which are a bit like those annoying loops and twists you get in earphone cables. Research carried out by TU Delft, The Netherlands, has found that ...
Cell & Microbiology
Sep 14, 2012
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Researchers in Japan have developed a low-intensity light source that allows cell biologists to visualize and handle live cells without destroying them during prolonged exposure. In addition to laying the foundation for new ...
Cell & Microbiology
Jul 13, 2012
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Young collaborators at Spallation Neutron Source chemistry lab prep proteins to take neutrons.
Biochemistry
Jun 28, 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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Although the process of mitotic cell division has been studied intensely for more than 50 years, Whitehead Institute researchers have only now solved the mystery of how cells correctly align their chromosomes during symmetric ...
Cell & Microbiology
Feb 12, 2012
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