期刊
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
卷 538, 期 -, 页码 304-309出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2011.564480
关键词
Charge transfer complex; detection of bioactivity substance; hyperbranched viologen polymer; serotonin
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 mu M in aqueous solutions even in the coexistence of L-tryptophan.
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