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

s scheduled for publication in the current (Aug. 28) issue of ACS Langmuir, a bi-weekly journal.

Menachem Elimelech and colleagues point out that past research on the toxicity of SWNTs has focused on their adverse human and environmental effects. These microscopic cylinders of carbon thousands of times smaller than a human hair are one of the most promising raw materials for commercial and industrial applications of nanotechnology in the 21st century. Their potential uses range from biosensors to new drug delivery systems.

Surprisingly, however, no published studies exist on the direct interaction of SWNTs with microbes, their report states. Our experiments provide the first direct evidence that highly purified SWNTs exhibit strong antimicrobial activity and indicate that severe cell membrane damage by direct contact with SWNTs is the likely mechanism responsible for the toxicity to model bacteria. These observations point to the potential use of SWNTs as building blocks for antimicrobial materials.

ARTICLE #3 FOR IMMEDIATE RELEASE

Single-Walled Carbon Nanotubes Exhibit Strong Antimicrobial Activity

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CONTACT:

Menachem Elimelech, Ph.D.
Yale University
New Haven, CT
Phone: 203-432-2789
E-mail: menachem.elimelech@yale.edu


ARTICLE #4 FOR IMMEDIATE RELEASE

Toward improved drug-delivery: Coating gives nanowires easy access to cells
Nano Letters

Scientists in Idaho and Korea are reporting development of a protein coating that m
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Contact: Michael Woods
m_woods@acs.org
202-872-4400
American Chemical Society
Source:Eurekalert

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