ZnSe量子点增敏鲁米诺-铁氰化钾化学发光测定牛奶中的己烯雌酚

郭城; 高桂园; 丁小洁; 李建军; 杨冉; 屈凌波

doi:10.3788/fgxb20123307.0796

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ZnSe量子点增敏鲁米诺-铁氰化钾化学发光测定牛奶中的己烯雌酚

光谱分析 | 更新时间：2020-08-12

- ZnSe量子点增敏鲁米诺-铁氰化钾化学发光测定牛奶中的己烯雌酚
- Determination of Diethylstilbestrol in Milk with The Enhanced Chemiluminescence System of Luminol-K₃Fe(CN)₆ by Using of ZnSe Quantum-dots
- 发光学报 2012年33卷第7期页码：796-801
- 作者机构：
  
  1. 郑州大学化学与分子工程学院, 河南郑州 450001
  2. 河南工业大学化学化工学院, 河南郑州 450001
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123307.0796
  中图分类号： O657.3;O482.31
- 纸质出版日期：2012-7-10，
  
  网络出版日期：2012-7-10，
  
  收稿日期：2012-3-27，
  
  修回日期：2012-5-24，
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郭城, 高桂园, 丁小洁, 李建军, 杨冉, 屈凌波. ZnSe量子点增敏鲁米诺-铁氰化钾化学发光测定牛奶中的己烯雌酚[J]. 发光学报, 2012,33(7): 796-801

GUO Cheng, GAO Gui-yuan, DING Xiao-jie, LI Jian-jun, YANG Ran, QU Ling-bo. Determination of Diethylstilbestrol in Milk with The Enhanced Chemiluminescence System of Luminol-K3Fe(CN)6 by Using of ZnSe Quantum-dots[J]. Chinese Journal of Luminescence, 2012,33(7): 796-801
郭城, 高桂园, 丁小洁, 李建军, 杨冉, 屈凌波. ZnSe量子点增敏鲁米诺-铁氰化钾化学发光测定牛奶中的己烯雌酚[J]. 发光学报, 2012,33(7): 796-801 DOI： 10.3788/fgxb20123307.0796.

GUO Cheng, GAO Gui-yuan, DING Xiao-jie, LI Jian-jun, YANG Ran, QU Ling-bo. Determination of Diethylstilbestrol in Milk with The Enhanced Chemiluminescence System of Luminol-K3Fe(CN)6 by Using of ZnSe Quantum-dots[J]. Chinese Journal of Luminescence, 2012,33(7): 796-801 DOI： 10.3788/fgxb20123307.0796.

摘要

碱性介质中

ZnSe量子点能够增强鲁米诺-铁氰化钾体系的化学发光

己烯雌酚对该体系的化学发光有很强的抑制作用

据此建立了测定己烯雌酚的新方法

并对可能的反应机理进行了探讨。结果表明

在优化实验条件下

己烯雌酚在6.0×10

-9

~4.0×10

-5

mol／L的浓度范围内与发光强度呈良好的线性关系

检出限为2.0×10

-9

mol/L(信噪比

S／N

=3)。对于浓度为4.0×10

-6

mol／L的己烯雌酚

测定11次的相对标准偏差为1.4％。将该体系用于牛奶中己烯雌酚的测定

回收率为94.47％~107.61％。

Abstract

It was found that ZnSe quantum dots (QDs) could enhance the chemiluminescence(CL) of the luminol-K

Fe(CN)

system. The CL from luminol-K

Fe(CN)

-ZnSe QDs system is strongly inhibited under the presence of hydroquinone. Based on this inhibition

a novel CL method with a lower detection limit and wider linear range was developed for determining diethylstilbestrol. The possible CL mechanism was also discussed. Under the selected experimental conditions

the CL intensity was linear with the concentration of diethylstilbestrol from 6.0×10

-9

mol／L to 4.0×10

-5

mol／L with a detection limit of 2.0×10

-9

mol/L(

S／N

=3). The relative standard deviation(RSD)(

=11)for the determination of 4.0×10

-6

mol／L diethylstilbestrol was 1.4％.The proposed method was successfully applied to analyze diethylstilbestrol in milk samples with recoveries of 94.47％~ 107.61％.

关键词

化学发光ZnSe量子点鲁米诺己烯雌酚

Keywords

chemiluminescenceZnSe quantum dotsluminoldiethylstilbestrol

references

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Wang S H, Zhuang H S, Yao X J, et al. Flow injection chemiluminescence method for the determination of diethylstilbestrol with N-bromosuccinimide luminol system [J]. Chinese Journal of Analysis Laboratory (分析试验室), 2006, 25(8):10-12 (in Chinese).

LI Z, Wang Y, Zhang G, Xu W, et al. Chemiluminescence resonance energy transfer in the lumino-CdTe quantum dots conjugates [J]. J. Lumin., 2010, 130(6):995-999.

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Zeng H J, Yang R, Wang Q W, et al. Determination of melamine by flow injection analysis based on chemiluminescence system [J]. Food Chemistry, 2011, 127(2):842-846.

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