Authors: Yang DH
, Lee CS
, Jeon BH
, Choi SM
, Kim YD
, Shin JS
, Kim H
An electrochemical nanofilm sensor for determination of 1-hydroxypyrene using molecularly imprinted receptors.
Publication date: 2017
Journal: Journal of Industrial and Engineering Chemistry
Alternative URL: https://www.researchgate.net/profile/Jae_Shin6/publication/314782009_An_electrochemical_nanofilm_sensor_for_determination_of_1-hydroxypyrene_using_molecularly_imprinted_receptors/links/58dd8c68a6fdcc3c6abf968c/An-electrochemical-nanofilm-sensor-for-determination-of-1-hydroxypyrene-using-molecularly-imprinted-receptors.pdf
Abstract: A novel electrochemical nanofilm sensor for 1-hydroxypyrene (1-OHP) was developed based on a molecular imprinted TiO2 gel matrix, which was prepared with Ti(O-n-Bu)4 and 1-OHP using sol-gel technology. Cyclic voltammetry (CV) showed that guest binding on the non-imprinted sensor resulted in nearly the same current changes for all guest molecules, indicating non-specific binding onto the TiO2 gel matrix. In contrast, binding at the molecular imprinted sensor revealed that the selectivity for 1-OHP relative to structurally related guest molecules was estimated to be 1.8-6.7 times greater at 1 x 10-9 M, reflecting its specific adsorption and binding capacity for the template molecule
Template and target information: 1-hydroxypyrene, 1-OHP
Author keywords: molecular imprinting, TiO2 gel matrix, Electrochemical sensor, 1-hydroxypyrene, polycyclic aromatic hydrocarbon
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