Copper nanoclusters-enhanced chemiluminescence for folic acid and nitrite detection

被引：58

作者：

Han, Suqin ^{[1
,2
]}

Chen, Xiaoxia ^{[2
]}

机构：

[1] Shanxi Normal Univ, Modem Coll Humanities & Sci, Dept Chem, Linfen 041000, Shanxi, Peoples R China

[2] Shanxi Normal Univ, Sch Chem & Mat Sci, Linfen 041004, Shanxi, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2019年 / 210卷

关键词：

Copper nanoclusters; Chemiluminescence; Diperiodatoargentate(III); Folic acid; Nitrite; METAL NANOCLUSTERS; PEROXYNITROUS ACID; QUANTUM DOTS; SELECTIVE DETECTION; FLUORESCENT-PROBES; COMPLEX; SYSTEM; DISSOLUTION; INHIBITION; ELECTRODE;

D O I：

10.1016/j.saa.2018.11.051

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The reaction between diperiodatoargentate(III) (DPA) and folic acid (FA) produced weak chemiluminescence (CL) in acid medium, which was greatly enhanced in the presence of copper nanoclusters (CuNCs). The CL intensity of CuNCs-DPA-FA system increased with the concentration of FA ranging from 0.1 to 10.0 mu M. The proposed CL system was applied for the detection of FA in pharmaceutical formulation and human urine samples. Further, the CL signal of CuNCs-DPA-FA system was inhibited by nitrite, and the inhibited CL intensity was proportional to the nitrite concentration in the range of 1.0-80.0 mu M. The method was successfully applied to determine nitrite in water, pickled vegetable and sausage samples. A possible CL mechanism was briefly discussed. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：315 / 320

页数：6

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