Determination of norfloxacin using a terbium‐sensitized electrogenerated chemiluminescence method | Zendy

Chen ShiLv | Zendy; Liu Yu | Zendy; Zhao HuiChun | Zendy; Jin LinPei | Zendy; Zhang ZhongLun | Zendy; Zheng YanZhen | Zendy

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Determination of norfloxacin using a terbium‐sensitized electrogenerated chemiluminescence method

Author(s) -

Chen ShiLv,

Liu Yu,

Zhao HuiChun,

Jin LinPei,

Zhang ZhongLun,

Zheng YanZhen

Publication year - 2005

Publication title -

luminescence

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.428

H-Index - 45

eISSN - 1522-7243

pISSN - 1522-7235

DOI - 10.1002/bio.876

Subject(s) - norfloxacin , chemiluminescence , terbium , detection limit , chemistry , linear range , chromatography , analytical chemistry (journal) , ciprofloxacin , antibiotics , organic chemistry , ion , biochemistry

A simple electrogenerated chemiluminescence (ECL) analysis method for the determination of norfloxacin (NFLX) is reported. It is based on ECL produced by Na 2 SO 3 , which is sensitized by the Tb–NFLX complex. The relative ECL intensity of the Tb 3+ –NFLX–Na 2 SO 3 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 × 10 −10 –8.0 × 10 −7 mol/L and 2.8 × 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 © 2005 John Wiley & Sons, Ltd.

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