Issue 44, 2011
From the journal:

Journal of Materials Chemistry

Multi-layered stacks of fluorescent dye-doped silicananoparticles decorated by gold nanoparticles for solid-phase optical biosensing†

Seong Yoon Lim,a   Jae Hong Kim,a   Joon Seok Lee,a   Junhyoung Ahn,b   Min-Gon Kimb  and  Chan Beum Park*a  

* Corresponding authors

a Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Yuseong-gu, Daejeon, Republic of Korea
E-mail: parkcb@kaist.ac.kr
Fax: +82 42 350 3310
Tel: +82 42 350 3340

b Advanced Photonics Research Institute and Graduate Program of Photonics and Applied Physics, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea

Abstract

Fluorescent dye-doped silica nanoparticles (FSNs) with gold nanoparticle (Au NP) seeds are synthesized for a fluorescence-based solid-phase detection of target chemicals based on the growth of Au NPs. The FSN-Au NP probe was successfully applied to the detection of H2O2, hydroquinone, glucose, acetylthiocholine, and neurotoxin by employing glucose oxidase and acetylcholine esterase.

Graphical abstract: Multi-layered stacks of fluorescent dye-doped silica nanoparticles decorated by gold nanoparticles for solid-phase optical biosensing

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Article information

DOI
https://doi.org/10.1039/C1JM13956H
Article type
Communication
Submitted
15 Aug 2011
Accepted
30 Sep 2011
First published
14 Oct 2011

J. Mater. Chem., 2011,21, 17623-17626

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Multi-layered stacks of fluorescent dye-doped silica nanoparticles decorated by gold nanoparticles for solid-phase optical biosensing

S. Y. Lim, J. H. Kim, J. S. Lee, J. Ahn, M. Kim and C. B. Park, J. Mater. Chem., 2011, 21, 17623 DOI: 10.1039/C1JM13956H

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