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American Chemical Society's Weekly PressPac -- June 4, 2008
Date:6/9/2008

ARTICLE #1 FOR IMMEDIATE RELEASE

"Super paper:" New nanopaper more break-resistant than cast iron
Biomacromolecules

Researchers in Sweden and Japan report development of a new type of paper that resists breaking when pulled almost as well as cast iron. The new material, called "cellulose nanopaper," is made of sub-microscopic particles of cellulose and may open the way for expanded use of paper as a construction material and in other applications, they suggest. Their study is scheduled for the June 9 issue of ACS' Biomacromolecules, a monthly journal.

In the new study, Lars A. Berglund and colleagues note that cellulose a tough, widely available substance obtained from plants has potential as a strong, lightweight ingredient in composites and other materials in a wide range of products. Although cellulose-based composites have high strength, existing materials are brittle and snap easily when pulled.

The study described a solution to this problem. It involves exposing wood pulp to certain chemicals to produce cellulose nanopaper. Their study found that its tensile strength a material's ability to resist pull before snapping exceeded that of cast iron. They also were able to adjust the paper's strength by changing its internal structure. MTS

ARTICLE #1 FOR IMMEDIATE RELEASE "Cellulose Nanopaper Structures of High Toughness"

DOWNLOAD FULL TEXT ARTICLE http://dx.doi.org/10.1021/bm800038n

CONTACT:
Lars A. Berglund, Ph.D.
Royal Institute of Technology
Stockholm, Sweden
Phone: 46-8-7908118
Fax: 46-8-7908101
Email: blund@kth.se


ARTICLE #2 FOR IMMEDIATE RELEASE

Love that garlic? Fresh may be healthier than bottled
Journal of Agricultural and Food Chemistry

The next time you use garlic for its renowned anti
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Contact: Michael Woods
m_woods@acs.org
202-872-4400
American Chemical Society
Source:Eurekalert  

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