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Metal based nanoparticles; size, function and areas for advancement in applied microbiology

Lookup NU author(s): Dr Michael Sweet, Dr Ian Singleton


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Nanoparticles (NP) are attracting increased attention in commerce and applied microbiology due to their anti-microbial activity, high electrical conductivity, and optical properties. For example, silver NPs have broad spectrum antimicrobial properties against a wide range of bacteria and fungi, making them ideal for minimizing biofouling. By controlling the size, shape, surface and agglomeration state of the NPs, specific ion release profiles can be developed for any given application. Currently NPs are formed in a wide variety of different shapes and sizes and can be added to many different surfaces including; spheres, plates and wires. This review will look at both commercially and naturally produced NP with a focus on silver NPs and address how these are formed. Furthermore potential areas for improving these techniques will be highlighted, focusing on advancing shape and structure formation using modern applications. Finally the review evaluates the feasibility of bioengineering microorganisms to synthesise particles of defined shape and size, by examining key genes associated with NP production.

Publication metadata

Author(s): Sweet MJ, Chesher A, Singleton I

Editor(s): Gadd, G.

Publication type: Book Chapter

Publication status: Published

Book Title: Advances in Applied Microbiology

Year: 2012

Volume: 80

Pages: 113-142

Online publication date: 12/07/2012

Edition: 1st

Publisher: Academic Press

Place Published: Maryland Heights, Missouri, USA


DOI: 10.1016/B978-0-12-394381-1.00005-2

Library holdings: Search Newcastle University Library for this item

ISBN: 9780123943811