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
收藏
页码：3162 / 3164
页数：3
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