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基于铜纳米簇的聚集诱导发光检测铅离子

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Indexed by:期刊论文

Date of Publication:2017-01-01

Journal:分析化学

Included Journals:SCIE、EI、CSCD

Volume:45

Issue:1

Page Number:23-27

ISSN No.:0253-3820

Key Words:聚集诱导发光;铜纳米簇;铅离子

Abstract:基于谷胱甘肽保护的非贵金属铜纳米簇(Cu NCs@GSH)的聚集诱导发光现象,建立了快速检测铅离子(Pb2+)的“Turn on”型荧光分析方法.Cu NCs@GSH溶液荧光强度很弱,当存在pb2+时,荧光强度可显著增强,溶液显示明亮的橙黄色.基于此原理建立了检测pb2+的荧光方法,线性范围为200~700 μmol/L,检出限为106 μmol/L,常见金属离子不干扰pb2+的测定.本方法简单快速、选择性高,可实现对pb2+的可视化定性检测.

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