Highly Sensitive Detection of Spermine Based on Fluorescence Quenching of Gold Nanoclusters

被引：1

作者：

An Xiao-Gang ^{[1
]}

Du Jie ^{[1
,2
]}

Qi Wei-Nan ^{[1
]}

Liu Lu ^{[1
]}

Li Xiao-Yan ^{[1
]}

Gan Hai-Ling ^{[1
]}

Lu Xiao-Quan ^{[2
]}

机构：

[1] Northwest Normal Univ, Coll Life Sci, Lanzhou 730070, Gansu, Peoples R China

[2] Key Lab Bioelectrochem & Environm Anal Gansu Prov, Lanzhou 730070, Gansu, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2017年 / 45卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Murexide; Gold nanoclusters; Fluorescence probe; Spermine; Biogenic amines; BIOGENIC-AMINES; SPECTROPHOTOMETRIC DETERMINATION; MUREXIDE; COMPLEXES; CALCIUM; DERIVATIZATION; OPTIMIZATION; PROTEINS; SAMPLES; DESIGN;

D O I：

10.11895/j.issn.0253-3820.160865

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new type of fluorescent gold nanoclusters (MU-Au NCs) was prepared by hydrothermal synthesis method using ammonium benzoate murexide (MU) as reducing agent and protecting agent. The synthesis method was simple and rapid. Based on the fluorescence quenching ability of spermine, a "turn off" type fluorescence analysis method was established for rapid and ultra sensitive detection of spermine. The linear range for detection of spermine was 0.003-300 mu mol/L and the detection limit was 1 nmol/L (S/N = 3). The established analytical method of spermine provided theoretical basis and reference for construction of spermine biosensor and actual sample detection.

引用

页码：1209 / 1214

页数：6

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