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Molecular Crystals and Liquid Crystals Volume 538, 2011 - Issue 1: Proceedings of the KJF-International Conference on Organic Materials for Electronics and Photonics (KJF2010)
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Original Articles

Sensitive, Selective and Simple Serotonin Detection Method by CT Complex Formation between Hyperbranched Viologen Polymer and Serotonin

Sunnam Kim Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Nishiku, Fukuoka; Collaborative Research Division, KASTEC, Kyushu University, Nishi-ku, FukuokaCorrespondence[email protected]
,
Takeshi Sakano Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Nishiku, Fukuoka
,
Akihiro Tanaka Nissan Chemical Industries, Ltd., Tokyo
&
Toshihiko Nagamura Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Nishiku, Fukuoka; Intellectual Property Management Center, KASTEC, Higashi-ku, Fukuoka
Pages 304-309 | Published online: 16 May 2011
 
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Abstract

A hyperbranched polymer containing high concentrations of viologen units was employed to sensitively detect serotonin. The formation of CT complex between hyperbranched viologen polymer, HB-1 and serotonin was investigated by UV-visible absorption and fluorescence spectroscopy as a function of serotonin concentration in the absence and presence of L-tryptophan as a possible disturbing agent. Serotonin was sensitively and selectively detected down to 2 μM in aqueous solutions even in the coexistence of L-tryptophan.

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