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Luminol-K_3[Fe(CN)_6]流动注射化学发光体系检测头孢吡肟
引用本文:俞宏松,翟倩,李晓璐,郭晶,易钢.Luminol-K_3[Fe(CN)_6]流动注射化学发光体系检测头孢吡肟[J].分析测试学报,2015,34(11):1307-1310.
作者姓名:俞宏松  翟倩  李晓璐  郭晶  易钢
作者单位:重庆医科大学检验医学院临床检验诊断学教育部重点实验室
摘    要:在碱性介质中,头孢吡肟对Luminol-K3Fe(CN)6]化学发光体系具有明显的增强作用,基于此建立了流动注射化学发光法测定头孢吡肟的新方法。在优化实验条件下,化学发光增强强度与头孢吡肟的浓度在3.0×10-6~4.0×10-5g/m L范围内呈良好的线性关系,检出限为2.8×10-6g/m L。对2.0×10-5g/m L头孢吡肟平行测定11次,相对标准偏差(RSD)为1.5%。该方法用于头孢吡肟针剂的测定,结果满意。

关 键 词:化学发光  流动注射  头孢吡肟  鲁米诺  铁氰化钾

Determination of Cefepime by Luminol-K3 [Fe (CN) 6] Flow Injection Chemiluminescence System
YU Hong-song,ZHAI Qian,LI Xiao-lu,GUO Jing,YI Gang.Determination of Cefepime by Luminol-K3 [Fe (CN) 6] Flow Injection Chemiluminescence System[J].Journal of Instrumental Analysis,2015,34(11):1307-1310.
Authors:YU Hong-song  ZHAI Qian  LI Xiao-lu  GUO Jing  YI Gang
Abstract:In this paper,cefepime was found to enhance the chemiluminescence(CL)of the luminol-potassium ferricyanide reaction system in alkaline condition.According to this fact,a flow injection chemiluminescence enhencement method for the determination of cefepime was developed.Under the optimum conditions,the linear range for cefepime was 3.0×10-6-4.0×10-5 g/mL,and the limit of detection was 2.8×10-6 g/mL.The relative standard deviation(RSD,n=11) was 1.5%for the determination of 2.0×10-5 g/mL cefepime.The method was applied in the determination of cefepime injection with satisfactory results.
Keywords:chemiluminescence enhencement  flow injection  cefepime  luminol  potassium ferricyanide
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