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Spectrofluorimetric determination of dopamine using 1,5-bis(4,6-dicholro-1,3,5-triazinylamino) naphthalene

✍ Scribed by Wei Wei; Hong-jian Wang; Chong-Qiu Jiang

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
284 KB
Volume
22
Category
Article
ISSN
1522-7235

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✦ Synopsis

Abstract

A new fluorescent reagent, 1,5‐bis(4,6‐dichloro‐1,3,5‐triazinylamino)naphthalene, containing two active chlorines, was synthesized by a one‐step reaction. Under the optimum conditions for the determination of dopamine, the enhanced fluorescence intensity is proportional to the dopamine concentration. The fluorescence intensity was measured at Ξ»~ex/em~ = 400/460 nm, with and without dopamine. The linear range and detection limit for the determination of dopamine were 1.0 Γ— 10^βˆ’7^ mol/L–5.0 Γ— 10^βˆ’5^ mol/L and 4.0 Γ— 10^βˆ’8^ mol/L. This method is simple, practical, can afford good precision and accuracy and can be successfully applied to assess dopamine in injections and human serum samples. Copyright Β© 2007 John Wiley & Sons, Ltd.

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