location: Current position: Home >> Scientific Research >> Paper Publications

基于纳米金膜的双酚A分子印迹传感器研究

Hits:

Indexed by:期刊论文

Date of Publication:2014-01-15

Journal:功能材料

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:45

Issue:1

Page Number:1099-1103

ISSN No.:1001-9731

Key Words:分子印迹传感器;电化学沉积;纳米金;自组装;双酚 A

Abstract:通过电化学和分子印迹技术,在金基底表面成功制备出基于三维纳米金膜修饰的双酚 A(BPA)分子印迹传感器电极.扫描电镜、透射电镜表征和电化学分析结果表明,电化学沉积法可以使纳米金规则成粒,并均匀成膜;纳米金膜使电极表面具备三维结构;纳米金颗粒(AuNPs)可以在分子印迹聚合物(MIPs)中形成内镶嵌结构,使电极表面电导率显著增高.在对 BPA 的检测中,MIPs-AuNPs-Au 电极的响应信号强度约是 MIPs-Au 电极的2.6倍,检测限为1.47×10-8 mol/L.而且,MIPs-AuNPs-Au 电极具有良好的选择性与稳定性.

Pre One:A novel approach to synthesize ultrasmall Cu doped Zn-In-Se nanocrystal emitters in a colloidal system

Next One:BiFeO3/TiO2 Nanotube Arrays Composite Electrode: Construction, Characterization, and Enhanced Photoelectrochemical Properties