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American Chemical Society's Weekly Presspac -- Aug. 29, 2007
Date:9/3/2007

rn. In laboratory tests they found that one brand of Brazilian coffee contained almost 9 percent corn. Although noting that their results are preliminary, the scientists say their new method appears to be a significant improvement over existing tests to detect corn adulteration.

ARTICLE #1 FOR IMMEDIATE RELEASE

Gamma-Tocopherol as a Marker of Brazilian Coffee (Coffea arabica L.) Adulteration by Corn

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CONTACT:

Gulab Jham, Ph.D.
Agricultural Research Service, USDA
Peoria, IL 61604
Phone: 309-681-6345
Fax: 309-681-6524
Email: gulab.jham@ars.usda.gov

ARTICLE #2 FOR IMMEDIATE RELEASE

Nanomagnetic sponges to clean precious works of art
Langmuir

Chemists in Italy are reporting a real breakthrough in technology for cleaning and conserving priceless oil paintings, marble sculptures and other works of art in an article in the Aug. 14 issue of ACS Langmuir, a bi-weekly journal. In the report, Piero Baglioni and colleagues describe development and successful testing on artworks of nanomagnetic sponges that could have a range of other applications in cosmetics, detergents, and biotechnology.

Highlighting potential uses in art conservation, the report explains that conservators often use solvents and other cleaning agents in a gel formulation, somewhat similar in consistency to gelatin desert. Compared to liquids, gels have less of a tendency to soak deep into the surface of artwork and cause damage. Gels, however, are difficult
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Contact: Michael Woods
m_woods@acs.org
202-872-4400
American Chemical Society
Source:Eurekalert

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