Molecular imprinting polymer coated BAW bio-mimic sensor for direct determination of epinephrine

被引:44
作者
Liang, CD [1 ]
Peng, H [1 ]
Zhou, AH [1 ]
Nie, LH [1 ]
Yao, SZ [1 ]
机构
[1] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Peoples R China
关键词
epinephrine; bio-mimic sensor; molecular imprinting polymer; bulk acoustic wave;
D O I
10.1016/S0003-2670(00)00845-X
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A bio-mimic bulk acoustic wave (BAW) sensor was fabricated by coating it with the epinephrine template molecular imprinting polymer (MIP). This sensor exhibited high selectivity and sensitive response to epinephrine. A linear relationship between 5.0 x 10(-8) and 2.0 x 10(-5) M was revealed. The detection limit was 2.0 x 10(-8) M. Recoveries were 93.2-108.7%. Influencing factors were investigated in detail and optimized. Analytical applications of this bio-mimic sensor were performed. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:135 / 141
页数:7
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