Issue 7, 2012
From the journal:

Analytical Methods

Fluorescence quenching of dye-doped core–shell nanoparticles by metal ions†

J. A. Koa  and  H. B. Lim*a  

* Corresponding authors

a Department of Chemistry, NBTI, Dankook University, 126 Jukjeon-dong, Suji-gu, Yongin-si, Gyeonggi-do, Korea
E-mail: plasma@dankook.ac.kr, hblim@dku.edu

Abstract

Although dye-doped core–shell silica nanoparticles have shown significant enhancement of fluorescence signal, no systematic study on photostability has yet been reported. In this work, noticeable dynamic quenching of the core FITC by transition metal ions was observed when the shell was porous to the transportation of ROS quenchers generated in a Fenton type reaction.

Graphical abstract: Fluorescence quenching of dye-doped core–shell nanoparticles by metal ions

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Article information

DOI
https://doi.org/10.1039/C2AY25036E
Article type
Paper
Submitted
11 Jan 2012
Accepted
05 Apr 2012
First published
23 May 2012

Anal. Methods, 2012,4, 2009-2012

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Fluorescence quenching of dye-doped core–shell nanoparticles by metal ions

J. A. Ko and H. B. Lim, Anal. Methods, 2012, 4, 2009 DOI: 10.1039/C2AY25036E

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