Visual colorimetric detection of cyromazine in river water using citrate-stabilized gold nanoparticles

被引：17

作者：

Bai, Wenhui ^{[1
,2
]}

Zhu, Chao ^{[1
,2
]}

Zhang, Guilan ^{[1
,2
]}

Huang, Yafei ^{[1
,2
,3
]}

Yan, Jiao ^{[1
,2
,3
]}

Yan, Mengmeng ^{[1
,2
]}

Chen, Ailiang ^{[1
,2
]}

机构：

[1] Chinese Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Key Lab Agroprod Qual & Safety, Beijing 100081, Peoples R China

[2] Minist Agr, Key Lab Agri Food Qual & Safety, Beijing 100081, Peoples R China

[3] Hainan Univ, Coll Food Sci & Technol, Haikou 570228, Peoples R China

来源：

ANALYTICAL METHODS | 2016年 / 8卷 / 29期

关键词：

PERFORMANCE LIQUID-CHROMATOGRAPHY; TRANSFER RADICAL POLYMERIZATION; SENSITIVE DETERMINATION; MASS-SPECTROMETRY; CATION-EXCHANGE; MELAMINE; EXTRACTION; MILK; APTASENSOR; PROBE;

D O I：

10.1039/c6ay01845a

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper, citrate-stabilized gold nanoparticles (AuNPs) were used to develop a method for rapidly and visually detecting cyromazine in river water. AuNPs could strongly interact with cyromazine, which causes an apparent color change observable by the naked eye, and their absorbance spectra could be measured by UV-vis spectroscopy. The citrate reduction method was used to synthesize different sizes of AuNPs and the optimized AuNP size for the visual detection sensor was determined to be 30 nm. The linear range of this method was from 0.1 to 1 mg L-1 and the limit of detection (LOD) was 0.1 mg L-1. The recoveries of cyromazine ranged from 83% to 117% with a good RSD of less than 6% for the river water samples spiked with three different concentrations of cyromazine. This method provided a simple and sensitive technique for screening environmental cyromazine contamination on site.

引用

页码：5869 / 5873

页数：5

共 37 条

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