Bacteria–nanoparticle interactions and their environmental implications

Deborah M. Aruguete; Michael F. Hochella

doi:10.1071/EN09115

RESEARCH FRONT

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Bacteria–nanoparticle interactions and their environmental implications

Deborah M. Aruguete ^A ^B and Michael F. Hochella Jr. ^A

+ Author Affiliations

- Author Affiliations

^A Center for NanoBioEarth, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, USA.

^B Corresponding author. Email: aruguete@vt.edu

Environmental Chemistry 7(1) 3-9 https://doi.org/10.1071/EN09115
Submitted: 4 September 2009 Accepted: 22 December 2009 Published: 22 February 2010

Environmental context. The advent of nanotechnology means that the release of nanomaterials into the environment is very likely, if not inevitable, and knowing the environmental impact of such nanomaterials is important. A key aspect of understanding this impact is to learn how nanomaterials affect microorganisms, a critical part of the environment; this topic is addressed in this review, which specifically concerns nanoparticle–bacteria interactions. Current studies show that nanoparticles have the potential to impact bacterial viability, although a great deal remains to be understood concerning nanoparticle–bacteria interactions.

Abstract. Part of the responsible use of nanotechnology will be to better delineate the potential impact of nanomaterials released into the environment. A key aspect of understanding this impact is to examine the interaction between nanomaterials and microorganisms, which are not only highly abundant in nature but critical for global environmental processes. In this Highlight, current knowledge about the interaction between bacteria and industrially-relevant nanoparticles is reviewed. Important areas for further study are discussed.

Additional keyword: microbial toxicology.

Acknowledgements

This work was supported by the National Science Foundation under a Minority Postdoctoral Research Fellowship, award 0610373, and also in part by the National Science Foundation and the Environmental Protection Agency under NSF Cooperative Agreement Number EF-0830093, Center for the Environmental Implications of NanoTechnology (CEINT). We thank Dr. Bojeong Kim and the anonymous reviewers for their helpful comments which improved the manuscript.

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Bacteria–nanoparticle interactions and their environmental implications

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