Detection of Pb2+ in lake water samples based on functionalized gold nanoparticles
ZHANG Xiu-juan1,2, LIU Hong-yan2, ZHANG Hai-rong2, ZHANG Guan-hua2
1. Key Laboratory of Coal Science and Technology of the Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China; 2. School of Chemistry and Environmental Engineering, Datong University, Datong 037009, China
Abstract: In this paper,a simple,fast and sensitive visualized and quantitative detection for Pb2+ is realized through the color change of the functionalized gold nanoparticle GSH@AuNPs.The -SH group is the active group on glutathione.There will be a coordination reaction between glutathione and Pb2+ in the presence of Pb2+.The -SH can capture Pb2+ to form a stable coordination structure,which induces GSH@AuNPs to aggregate,reflecting with a color change from claret to blue.The detection to Pb2+ with the detection limit of 0.05 μmol·L-1 is therefore realized.This method is simple and convenient,and can achieve the detection of Pb2+ in lake water sample.
张秀娟, 刘红艳, 张海荣, 张冠华. 功能化金纳米颗粒对湖水样品中Pb2+的检测研究[J]. 现代化工, 2018, 38(7): 236-238.
ZHANG Xiu-juan, LIU Hong-yan, ZHANG Hai-rong, ZHANG Guan-hua. Detection of Pb2+ in lake water samples based on functionalized gold nanoparticles. Modern Chemical Industry, 2018, 38(7): 236-238.
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