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The Effect of size of Au-core Ag-shell nanoparticles on their enhancement of fluorescence

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/23729

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Title: The Effect of size of Au-core Ag-shell nanoparticles on their enhancement of fluorescence
Related: International Conference on Nanoscience and Nanotechnology (2006 ) (3-7 July 2006 : Brisbane, Qld)
Related: 2006 International conference on nanoscience and nanotechnology : proceedings
DOI: 10.1109/ICONN.2006.340586
Publisher: Piscataway, NJ : IEEE
Date: 2006
Author/Creator: Xie, Fang
Author/Creator: Goldys, Ewa
Description: A simple method has been developed for homogeneous deposition of uniform Au-core Ag-shell nanoparticles on glass substrate. The method uses uniform gold colloid as seed and a silver enhancing kit to provide silver overlayer with improved fluorescence enhancement properties. Depending on size of these nanoparticles, the fluorescence of FITC-HSA monolayer deposited over the nanoparticles is either quenched, not affected or, enhanced in comparison to the control area - bare glass surface. Thus a pronounced size effect underpins the ability of these nanoparticles to enhance fluorescence. Nanostructures of appropriate size thus prepared can produce promising substrates for fluorescence enhancement. One of the outstanding advantages of this method is that such substrates are spatially homogeneous, which pave the way for application of such substrates in biotechnology and life sciences.
Description: 4 page(s)
Subject Keyword: fluorescence
Subject Keyword: gold
Subject Keyword: nanobiotechnology
Subject Keyword: nanoparticle
Subject Keyword: particle size
Subject Keyword: silver
Subject Keyword: MEF substrate
Subject Keyword: FITC-HSA conjugation
Resource Type: conference paper
Organisation: Macquarie University. Dept. of Physics

Identifier: http://hdl.handle.net/1959.14/23729
Identifier: ISBN:1424404525
Identifier: mq-rm-2007003165
Language: eng
Rights: Copyright 2006 IEEE. Reprinted from 2006 International conference on nanoscience and nanotechnology : proceedings. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Macquarie University’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
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