MIPdatabase
Authors: Li PJ, Liang RN, Yang XF, Qin W
Article Title: Imprinted nanobead-based disposable screen-printed potentiometric sensor for highly sensitive detection of 2-naphthoic acid.
Publication date: 2018
Journal: Materials Letters
Volume: 225
Page numbers: 138-141.
DOI: 10.1016/j.matlet.2018.04.119
Alternative URL: https://www.sciencedirect.com/science/article/pii/S0167577X18307225
Abstract: Currently, potentiometric sensors based on various molecularly imprinted polymer (MIP) receptors have been successfully fabricated for detection of organic species. However, almost all of the previously developed potentiometric sensors based on MIPs are in traditional liquid-contact mode in which lower detection limits have been restricted by zero-current transmembrane ion fluxes. Herein, a screen-printed potentiometric sensor for determination of 2-naphthoic acid has been developed. It is based on the MIP nanobeads as the selective receptor and the electrochemically reduced graphene oxide film as the solid contact. Compared with the classical potentiometric sensor, the proposed sensor based on nonequilibrium sensing mechanism exhibits remarkably improved detection sensitivity for 2-naphthoic acid with a low detection limit of 6.9 x 10-11 M
Template and target information: 2-naphthoic acid
Author keywords: sensors, Ion-selective electrode, Screen-printed electrode, molecularly imprinted polymer, nanoparticles
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