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American Chemical Society's Weekly PressPac -- July 30, 2008

developed a process to recycle those nonmetallic materials, which they say could be used to produce diverse items like sewer grates, park benches and fences. The recycled material could also be a substitute for wood and other materials since it is almost as strong as reinforced concrete. "There is no doubt that the technique has potential in the industry for recycling nonmetallic materials of PCBs," Xu says. JS

"A Plate Produced by Nonmetallic Materials of Pulverized Waste Printed Circuit Boards"


Zhenming Xu, Ph.D.
Shanghai Jiao Tong University
Shanghai, China
Phone: +86 21 54747495
Fax: +86 21 54747495


"Chiral" molecules pave the way for safer, more effective drugs
Chemical & Engineering News

In the drive to create safer, more effective drugs for cancer, Parkinson's disease, and other health challenges, researchers worldwide are stepping up efforts to produce purer substances based on a molecule's unique symmetry or chirality, according to an article scheduled for the August 4 issue of Chemical & Engineering News.

In the C&EN cover story, Senior Correspondent Ann M. Thayer points out that in the pharmaceutical world, a molecule's right- or left-handed symmetry determines whether it does good or ill in the body. Today, about 70 percent of new small-molecule drugs that the Food & Drug Administration approved in 2007 contained at least one chiral molecule as its central active component.

But creating one specific configuration of mirror image molecules rather than a mixture remains a challenge, as these molecules are complex and difficult for chemis

Contact: Michael Woods
American Chemical Society

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American Chemical Society's Weekly PressPac -- July 30, 2008
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