Quantum dot-based lateral flow immunoassay for detection of chloramphenicol in milk

被引:173
作者
Berlina, Anna N. [1 ]
Taranova, Nadezhda A. [1 ]
Zherdev, Anatoly V. [1 ]
Vengerov, Yuri Y. [1 ]
Dzantiev, Boris B. [1 ]
机构
[1] Russian Acad Sci, AN Bah Inst Biochem, Moscow 119071, Russia
关键词
Chloramphenicol; Milk; Quantum dots; Lateral flow assay; IMMUNOCHROMATOGRAPHIC ASSAY;
D O I
10.1007/s00216-013-6876-3
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A novel rapid (20 min) fluorescent lateral flow test for chloramphenicol (CAP) detection in milk was developed. The chosen format is a binding-inhibition assay. Water-soluble quantum dots with an emission peak at 625 nm were applied as a label. Milk samples were diluted by 20 % with phosphate buffer to eliminate the matrix effect. The result of the assay could be seen by eye under UV light excitation or registered by a portable power-dependent photometer. The limit of CAP detection by the second approach is 0.2 ng/mL, and the limit of quantitation is 0.3 ng/mL.
引用
收藏
页码:4997 / 5000
页数:4
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