TY - JOUR A2 - Kajbafvala, Amir AU - Xue, Fei AU - Duan, Ting-rui AU - Huang, Shu-yue AU - Wang, Qiu-hong AU - Xue, Min AU - Meng, Zi-hui PY - 2013 DA - 2013/06/17 TI - A Covalently Imprinted Photonic Crystal for Glucose Sensing SP - 530701 VL - 2013 AB - We demonstrate a glucose-sensing material based on the combination of photonic crystal templating and a molecular-imprinting technique. In the presence of the target molecule glucose, poly(N-isopropylacrylamide-co-2-hydroxyethyl methacrylate) hydrogel with pendent phenylboronic acid groups was synthesized in the void of a poly(methyl methacrylate) (PMMA) colloidal crystal. After removing the PMMA photonic crystal template and glucose molecules, a 3D-ordered porous covalently imprinted photonic crystal (CIPC) hydrogel was created. The unique 3D-ordered porous hydrogel revealed optical changes in response to glucose concentration. At pH = 11 and 37C, the diffraction of CIPC redshifted from 725 nm to 880 nm in response to 20 mmol L−1 glucose. Due to the covalently imprinted recognizer, boronic acid group, the selectivity of the CIPC towards glucose over D-ribose and L-rhamnose was improved significantly. SN - 1687-4110 UR - https://doi.org/10.1155/2013/530701 DO - 10.1155/2013/530701 JF - Journal of Nanomaterials PB - Hindawi Publishing Corporation KW - ER -