Human cells are protected by a largely impenetrable molecular membrane, but researchers have built the first artificial transporter protein that carries individual atoms across membranes, opening the possibility of engineering ...
Cell & Microbiology
Dec 18, 2014
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Physicists are now designing novel materials with physical properties tailored to meet specific energy consumption needs. Before these so-called materials-by-design can be applied, it is essential to understand their characteristics, ...
Nanophysics
May 7, 2014
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(Phys.org) —Researchers have tried for decades to understand the undulations and gyrations that allow transport proteins to shuttle molecules from one side of a cell membrane to the other. Now scientists report that they ...
Biochemistry
Dec 2, 2013
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The bacterial outer envelope is densely packed with proteins that form small pores and facilitate the passage of nutrients, toxins and signaling molecules. Professors Timm Maier and Sebastian Hiller from the Biozentrum of ...
Cell & Microbiology
Sep 23, 2013
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Fish possess a number of different mechanisms for protection against harmful substances in an aquatic environment. These include, for example, molecular transport systems, such as the so called ABC (ATP binding cassette) ...
Ecology
Sep 3, 2013
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NASA's Physical Science Research Program will fund eight proposals to help investigate how complex fluids and macromolecules behave in microgravity. The investigations will be conducted aboard the International Space Station.
Space Exploration
Jul 29, 2013
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University of Toronto researchers are helping demystify an important class of proteins associated with disease, a discovery that could lead to better treatments for cancer, cystic fibrosis and many other conditions.
Biochemistry
Jul 7, 2013
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(Phys.org) —A Kansas State University-led study has discovered the role of a protein in bacteria that cause a wide variety of diseases, including typhoid fever, plague, meningitis and dysentery. The results may lead to ...
Cell & Microbiology
Jul 1, 2013
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(Phys.org) —A protein from cow blood has the remarkable ability to keep gold nanoparticles from clumping in a solution. The discovery could lead to improved biomedical applications and contribute to projects that use nanoparticles ...
Bio & Medicine
May 14, 2013
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Electron transport through a single molecule offers a highly promising new technology for the production of electronic chips. However it is difficult to make a good conducting connection between the molecule and the metal ...
Nanophysics
Mar 25, 2013
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