DRUG ASSAY USING ANTIBODY MIMICS MADE BY MOLECULAR IMPRINTING

被引:1536
|
作者
VLATAKIS, G [1 ]
ANDERSSON, LI [1 ]
MULLER, R [1 ]
MOSBACH, K [1 ]
机构
[1] UNIV LUND,CTR CHEM,DEPT PURE & APPL BIOCHEM,POB 124,S-22100 LUND,SWEDEN
关键词
D O I
10.1038/361645a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
LIGAND-BINDING assays are used for determination of minute amounts of substances in the bloodstream. Such assays require a receptor that specifically binds the substance of interest. The receptor used is often an antibody1-5, but antibodies require special handling and a costly production procedure5. We have used molecular imprinting, a method for creating selective recognition sites in synthetic polymers6-8, to prepare polymers that mimic antibody combining sites. Molecular imprints made against theophylline9 and diazepam10 showed strong binding and cross-reactivity profiles similar to those of antibodies. Here we describe a new radiolabelled ligand-binding assay, the molecularly imprinted sorbent assay, which uses antibody mimics. This assay accurately measures drug levels in human serum, with results comparable to those obtained using a well established immunoassay technique. Antibody mimics, which are stable and readily prepared by molecular imprinting, may provide a useful general alternative to antibodies.
引用
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页码:645 / 647
页数:3
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