Issue 37, 2007
From the journal:

Chemical Communications

Specific detection of cysteine and homocysteine: recognizing one-methylene difference using fluorosurfactant-capped gold nanoparticles†

Chao Lua  and  Yanbing Zu*a  

* Corresponding authors

a Department of Chemistry, The University of Hong Kong, Pokfulam, Hong Kong, China
E-mail: ybzu@hku.hk

Abstract

Aggregation of fluorosurfactant-capped gold nanoparticles could be induced selectively by cysteine and homocysteine and, when solution ionic strength was low, the kinetics of homocysteine-induced aggregation of large size nanoparticles (∼40 nm) was much faster than that induced by cysteine, leading to specific detection of homocysteine in the presence of excess cysteine.

Graphical abstract: Specific detection of cysteine and homocysteine: recognizing one-methylene difference using fluorosurfactant-capped gold nanoparticles

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Article information

DOI
https://doi.org/10.1039/B708603B
Article type
Communication
Submitted
06 Jun 2007
Accepted
03 Jul 2007
First published
16 Jul 2007

Chem. Commun., 2007, 3871-3873

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Specific detection of cysteine and homocysteine: recognizing one-methylene difference using fluorosurfactant-capped gold nanoparticles

C. Lu and Y. Zu, Chem. Commun., 2007, 3871 DOI: 10.1039/B708603B

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