Resonance scattering detection of trace melamine using aptamer-modified nanosilver probe as catalyst without separation of its aggregations

被引：79

作者：

Jiang, Zhiliang ^{[1
]}

Zhou, Lianping ^{[1
]}

Liang, Aihui ^{[1
]}

机构：

[1] Guangxi Normal Univ, Minist Educ, Key Lab Ecol Rare & Endangered Species & Environm, Guilin 541004, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2011年 / 47卷 / 11期

基金：

中国国家自然科学基金;

关键词：

GOLD NANOPARTICLES; LIGHT-SCATTERING; CYANURIC ACID; VISUAL DETECTION; RAW-MILK; PRODUCTS;

D O I：

10.1039/c0cc05234e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanosilver was modified by aptamer (ssDNA) to obtain a resonance scattering (RS) probe (AgssDNA) for melamine (MA). Based on the catalytic effect of the probe on the Fehling particle reaction, a nanocatalytic RS assay is proposed for the determination of 0.02-1.06 mu g L-1 MA.

引用

页码：3162 / 3164

页数：3