Spectrofluorimetric determination of dopamine using chlorosulfonylthenoyltrifluoroacetone-europium probe

Journal of Fluorescence
Xiaojing ZhuChongqiu Jiang

Abstract

A new spectrofluorimetric method was developed for the determination of trace amounts of dopamine (DA). Using chlorosulfonylthenoyltrifluoroacetone (CTTA)-europium ion (Eu(3+)) as a fluorescent probe, in a buffer solution at pH = 10.0, DA can remarkably enhance the fluorescence intensity of the CTTA-Eu(3+) complex at lambda = 612 nm; the enhanced fluorescence intensity of Eu(3+) is proportional to the concentration of DA. Optimum conditions for the determination of DA were also investigated. The linear range and detection limit for the determination of DA were 5.0 x 10(-8) approximately 1.6 x 10(-5) mol/l and 3.2 x 10(-8) mol/l. This method is simple, practical and relatively free of interference from coexisting substances, and can be applied to assess DA in injection and human serum samples with good precision and accuracy.

References

Apr 15, 2004·Bioorganic & Medicinal Chemistry·Chong-qiu Jiang, Ting Wang
Sep 8, 2004·Journal of Pharmaceutical and Biomedical Analysis·Edyta NalewajkoAnatol Kojło
May 24, 2005·Analytical Biochemistry·Xiaojing ZhuChongqiu Jiang
Jul 29, 2005·The International Journal of Social Psychiatry·Kam-Shing Yip
Dec 2, 2005·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Huai You WangXue Shun Chang

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Citations

Feb 19, 2002·European Journal of Pharmaceutical Sciences : Official Journal of the European Federation for Pharmaceutical Sciences·María Isabel Pascual-RegueraMaría Soledad Castro Ruiz
Feb 19, 2013·Luminescence : the Journal of Biological and Chemical Luminescence·Hailin SiHuan Cai
Aug 16, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Zezhou YangXiaofeng Lu
Jan 1, 2014·Korean Journal for Food Science of Animal Resources·Sun-Young ParkSang-Dong Lim

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