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Reference type: Journal
Authors: Chen L, Muhammad T, Yakup B, Piletsky SA
Article Title: New immobilisation protocol for the template used in solid-phase synthesis of MIP nanoparticles.
Publication date: 2017
Journal: Applied Surface Science
Volume: 406
Page numbers: 115-121.
DOI: 10.1016/j.apsusc.2017.02.105
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0169433217304671

Abstract: As a novel imprinting method, solid-phase synthesis has proven to be a promising approach to prepare polymer nanoparticles with specific recognition sites for a template molecule. In this method, imprinted polymer nanoparticles were synthesized using template immobilized on a solid support. Herein, preparation of immobilized templates on quartz chips through homogeneous route was reported as an efficient alternative strategy to heterogeneous one. The template molecule indole-3-butyric acid (IBA) was reacted with 3-aminopropyltriethoxysilane (APTES) to produce silylated template (IBA-APTES), and it was characterized by IR, 1H NMR and GC-MS. Then, the silylated template molecule was grafted onto the activated surfaces of quartz chip to prepare immobilized template (SiO2@IBA-APTES). The immobilization was confirmed by contact angle, XPS, UV and fluorescence measurement. Immobilization protocol has shown good reproducibility and stability of the immobilized template. MIP nanoparticles were prepared with high selectivity toward the molecule immobilized onto the solid surface. This provides a new approach for the development of molecularly imprinted nanoparticles
Template and target information: indole-3-butyric acid, IBA
Author keywords: Molecularly imprinted polymers, solid-phase synthesis, nanoparticles, Homogeneous route, characterization, Chip surface

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