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General Science / Chemistry news 1234

Pesticide build-up could lead to poor honey bee health

August 18, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Honey bees industriously bring pollen and nectar to the hive, but along with the bounty comes a wide variety of pesticides, according to Penn State researchers. Add the outside assault to the pesticides already ...


Chemists move closer toward developing safer, fully-synthetic form of heparin

August 17, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Chemists are reporting a major advance toward developing a safer, fully-synthetic version of heparin, the widely used blood thinner now produced from pig intestines. The U. S. Food and Drug Administration last spring linked ...


Biodegradable polymers show promise for improving treatment of acute inflammatory diseases

August 20, 2008 | User rating: not rated yet | No comments yet

A family of biodegradable polymers called polyketals and their derivatives may improve treatment for such inflammatory illnesses as acute lung injury, acute liver failure and inflammatory bowel disease by ...


New test to diagnose osteoarthritis early

August 20, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

A newly developed medical imaging technology may provide doctors with a long-awaited test for early diagnosis of osteoarthritis (OA), scientists from New York reported today at the 236th National Meeting of the American Chemical ...


Duke chemists synthesize promising anti-cancer product

August 20, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Duke University chemists have patented an efficient technique for synthesizing a marine algae extract in sufficient quantities to now test its ability to inhibit the growth of cancerous cells while leaving normal cells unaffected.


Breaking the 'mucus barrier' with a new drug delivery system

August 20, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Chemical engineers from Johns Hopkins University have broken the "mucus barrier," engineering the first drug-delivery particles capable of passing through human mucus — regarded by many as nearly impenetrable ...


Carnegie Mellon MRI technology that non-invasively locates, quantifies specific cells in the body

11 hours ago | User rating: not shown ( 1 vote(s) ) | No comments yet

Magnetic resonance imaging (MRI) isn't just for capturing detailed images of the body's anatomy. Thanks to novel imaging reagents and technology developed by Carnegie Mellon University scientist Eric Ahrens, MRI can be used ...


Synthetic Molecules Could Add Spice To Fight Against Cancer

August 18, 2008 | User rating: 4.5 / 5 after 6 vote(s) | No comments yet

Seeking to improve on nature, scientists used a spice-based compound as a starting point and developed synthetic molecules that, in lab settings, are able to kill cancer cells and stop the cells from spreading. The researchers ...


Green catalysts provide promise for cleaning toxins and pollutants

August 18, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Tetra-Amido Macrocyclic Ligands (TAMLs) are environmentally friendly catalysts with a host of applications for reducing and cleaning up pollutants, and a prime example of "green chemistry." Carnegie Mellon University's Terry ...


Candy-coating keeps proteins sweet

August 19, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Sugar-frosting isn’t just for livening up boring bran flakes; it can also preserve important therapeutic proteins. Researchers at the National Institute of Standards and Technology have developed a fast, inexpensive and effective ...


Food, health get top billing at national chemistry meeting

August 19, 2008 | User rating: not rated yet | No comments yet

Well beyond the advice to drink enough water and not eat too much NaCl, the nation's chemists will get elemental with grapefruit, onions, peppers, tomatoes, carrots and watermelons this week at the American Chemical Society ...


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