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Chem Commun (Camb). 2007 Jan 21;(3):248-50. Epub 2006 Nov 14.

Separation distance dependent fluorescence enhancement of fluorescein isothiocyanate by silver nanoparticles.

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  • 1Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543.

Abstract

Nanocomposites consisting of a metal core, a silica-spacer shell with controlled thickness, and a dye-labelled shell were synthesized and separation distance dependent fluorescence enhancement of fluorescein isothiocyanate by silver nanoparticles was studied; the results indicated an optimum enhancement of 4.8 times with a spacer shell thickness of 21 nm.

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