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Analytical Letters Volume 31, 1998 - Issue 5
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Original Articles

The Molecular Recognition Characteristics of ω-Mercapto Methoxy Poly(Ethylene Glycol) Self-Assembled Monolayers at a Gold Electrode and Its Application for Detection of Dopamine in Serum

Shi-Feng Hou Department of Chemistry The State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, P.R. China, 210093
,
Hui-Qun Fang Department of Chemistry The State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, P.R. China, 210093
&
Hong-Yuan Chen Department of Chemistry The State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, P.R. China, 210093
Pages 765-775 | Received 25 Sep 1997, Accepted 20 Dec 1997, Published online: 22 Aug 2006
 
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Abstract

Novel self-assembled monolayers(SAMs) of ω-mercapto methoxy poly(ethylene glycol) (MPEG) on a gold electrode were fabricated. The MPEG SAMs electrode had molecular recognition characteristics, dopamine(DA) having a good response at the MPEG SAMs electrode, and ascorbic acids(AA) being repelled from it. A high recovery of DA was obtained at the MPEG SAMs electrode in serum solution.

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