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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Ever wonder how sometimes people still get through security with explosives on their person? Research done in the University of Alberta's Department of Chemical and Materials Engineering has revealed a new way to better detect ...
Analytical Chemistry
Feb 12, 2013
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It was in trying to answer a question related to the functioning of our biological clock that a team lead by Ueli Schibler, a professor at the University of Geneva (UNIGE), Switzerland, has developed a method whose applications ...
Cell & Microbiology
Jan 31, 2013
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(Phys.org)—One of Ozgur Sahin's first machines was a mechanical adding device made from Legos. He made it when he was 11 and hasn't stopped making gadgets since. In graduate school Sahin created an atomic force microscope ...
Nanophysics
Jan 30, 2013
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A powerful computational technique used by the pharmaceutical industry to expedite new drug development has just received a performance boost. Chandra Verma and his co-workers at the A*STAR Bioinformatics Institute in Singapore ...
Biochemistry
Jan 30, 2013
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Molecular chaperones have emerged as exciting new potential drug targets, because scientists want to learn how to stop cancer cells, for example, from using chaperones to enable their uncontrolled growth. Now a team of biochemists ...
Biochemistry
Dec 6, 2012
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Johns Hopkins scientists have discovered a new mode of action for enzymes immersed in cellular membranes. Their experiments suggest that instead of recognizing and clipping proteins based on sequences of amino acids, these ...
Cell & Microbiology
Nov 16, 2012
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For most of the 20th century, scientists were puzzled by how cells in our body are able to sense and react to external conditions.
Biochemistry
Oct 10, 2012
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(Phys.org)—Understanding why proteins interact with certain specific molecules and not with the myriad others in their environment is a major goal of molecular biology. Now, in a series of recent papers, researchers describe ...
Biochemistry
Oct 2, 2012
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(Phys.org)—Using synchrotron x-ray beams to solve the molecular structures of proteins and other large biological molecules has yielded many advances in medicine, such as drug therapies for cancer. Improvements in the techniques ...
General Physics
Sep 6, 2012
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