期刊
LUMINESCENCE
卷 21, 期 1, 页码 20-25出版社
WILEY
DOI: 10.1002/bio.876
关键词
electrogenerated chemiluminescence; cyclic voltammetry; terbium; norfloxacin (NFLX); sodium sulphite
A simple electrogenerated chemiluminescence (ECL) analysis method for the determination of norfloxacin (NFLX) is reported. It is based on ECL produced by Na2SO3, which is sensitized by the Tb-NFLX complex. The relative ECL intensity of the Tb3+-NFLX-Na2SO3 system is proportional to the amount of NFLX. The optimized experimental conditions were investigated. The linear range and detection limit for NFLX were 1.0 x 10(-10)-8.0 X 10(-7) mol/L and 2.8 x 10(-11) mol/L, respectively. This method was successfully applied to the determination of NFLX in a capsule. NFLX in urine can be directly detected without pretreatment or separation. Copyright (C) 2005 John Wiley & Sons, Ltd.
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