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Reference type: Journal
Authors: Gam-Derouich S, Bourdillon C, Lakhdar Chaouche S, Coolen L, Maître A, Mangeney C, Schwob C
Article Title: Imprinted Photonic Hydrogels for the Size- and Shell-Selective Recognition of Nanoparticles.
Publication date: 2017
Journal: Angewandte Chemie International Edition
Volume: 56
Issue: (33)
Page numbers: 9710-9714.
DOI: 10.1002/anie.201702540

Abstract: Sensors based on responsive photonic hydrogels have recently attracted considerable attention for visual medical diagnostics, pharmaceutical bioassays, and environmental monitoring. However, the use of these promising materials for the detection of nanoparticles (NPs) has never been explored so far, although the sensing of nanoobjects is a rapidly evolving area of research. To address this issue, we have combined the concepts of inverse-opal hydrogels and nanoparticle-imprinted polymers. In this way, we could obtain a NP-imprinted photonic hydrogel consisting of a three-dimensional, highly ordered poly(methacrylic acid) macroporous array, in which nanocavities complementary to the target NPs, in this case colloidal quantum dots, are distributed. This novel type of NP-imprinted photonic hydrogel sensor was shown to display high sensitivity and selectivity, thus opening new prospects for the development of equipment-free and cost-efficient sensing devices for NPs
Template and target information: nanoparticles, quantum dots
Author keywords: imprinted polymers, inverse opals, nanoparticles, photonic hydrogels, Quantum dots

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