All too often, when a person takes a pill full of a potent and effective drug, the drug passes straight through the body, not reaching the organ where it is needed—a waste of money and inconvenient if it is a cold medicine, ...
Polymers
Aug 28, 2013
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(Phys.org) —Biomedical engineering researchers at the University of Arkansas have encapsulated two types of protein antigens in chitosan and demonstrated that the combined material enables or improves three important immune ...
Biochemistry
Mar 5, 2013
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(Phys.org)—Winemakers have long known that blending different grape varietals can favorably balance the flavor characteristics of the wine they produce. In the future, makers of advanced biofuels might use a similar strategy, ...
Materials Science
Jan 30, 2013
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(PhysOrg.com) -- In the human world of manufacturing, many companies are now applying an on-demand, just-in-time strategy to conserve resources, reduce costs and promote production of goods precisely when and where they are ...
Cell & Microbiology
Nov 30, 2011
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Bacteria use various appendages to move across surfaces prior to forming multicellular bacterial biofilms. Some species display a particularly jerky form of movement known as "twitching" motility, which is made possible by ...
Cell & Microbiology
Jul 18, 2011
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Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex -- structural materials containing protein and polysaccharide -- are present in abundance in fossils of arthropods from ...
Paleontology & Fossils
Feb 7, 2011
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Researchers from Rice University and Baylor College of Medicine (BCM) have broken one of the major roadblocks on the path to growing transplantable tissue in the lab: They've found a way to grow the blood vessels and capillaries ...
Biotechnology
Jan 12, 2011
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(PhysOrg.com) -- We and all other organisms must constantly grapple with bacteria. Whether for a necessary symbiosis or an infection, carbohydrate structures on cell surfaces play an important role in the interactions between ...
Biochemistry
Sep 7, 2010
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Scientists have combined chemistry and biology research techniques to explain how certain bacteria grow structures on their surfaces that allow them to simultaneously cause illness and protect themselves from the body's defenses.
Biochemistry
Apr 25, 2010
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(PhysOrg.com) -- Just like our roads, there is a lot of traffic within the cells in our bodies, because cell components, messenger molecules, and enzymes must also be brought to the right places in the cell. One of these ...
Biochemistry
Dec 21, 2009
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