期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 255, 期 -, 页码 2952-2958出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2017.09.116
关键词
Au NPs cross-linked composite film; 3-Thiophene acetic acid; Adenine; Enhanced conductivity; Imprinting sites
An electrochemical strategy for adenine detection was described. In order to generate a 3D net-work composite film, gold nanoparticles (Au NPs) capped with 3-thiophene acetic acid (3-TAA) were used to couple with molecular imprinting technique (MIT). In the presence of the 3-TAA capping Au NPs (Au NPs-T), the electrode-surface-tethered 3-TAAs were polymerized to form a homogeneous conductive material immobilized into the electrode. Through this sensor fabrication, Au NPs-T associating with the Au electrode resulted in enhanced sensitivity and MIT contributed to the specificity. (C) 2017 Elsevier B.V. All rights reserved.
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