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Langmuir. 2007 Aug 14;23(17):8670-3. Epub 2007 Jul 21.

Single-walled carbon nanotubes exhibit strong antimicrobial activity.

Author information

  • 1Department of Chemical Engineering, Yale University, P.O. Box 208286, New Haven, Connecticut 06520-8286, USA.

Abstract

We provide the first direct evidence that highly purified single-walled carbon nanotubes (SWNTs) exhibit strong antimicrobial activity. By using a pristine SWNT with a narrow diameter distribution, we demonstrate that cell membrane damage resulting from direct contact with SWNT aggregates is the likely mechanism leading to bacterial cell death. This finding may be useful in the application of SWNTs as building blocks for antimicrobial materials.

PMID:
17658863
[PubMed - indexed for MEDLINE]
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