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Reference type: Journal
Authors: Fu X, Song B, Chen XZ, Wang A, Wang C
Article Title: Highly-Controllable Imprinted Polymer Nanoshell on the Surface of Silica Nanoparticles for Selective Adsorption of 17β-Estradiol.
Publication date: 2018
Journal: Journal of Encapsulation and Adsorption Sciences
Volume: 8
Page numbers: 210-224.
DOI: 10.4236/jeas.2018.84011
Alternative URL: https://www.scirp.org/journal/paperinformation.aspx?paperid=88612

Abstract: A highly-controllable core-shell silica-MIPs absorbent by anchoring a MIPs layer to the surface of SiO2 nanoparticles via a surface molecular imprinting process was prepared. The templates were covalently modified with functional monomers to form precursor EstSi. The latter together with coupling reagent KH-570, were grafted onto the surface of SiO2 nanoparticles before polymerization, to ensure the quantity and quality of imprinted sites on the surface of the covalently attached matrix. The as-synthesized core-shell nanomaterials (SiO2@MIP2) were then evaluated for selective adsorption of 17β-estradiol (E2) with Raman spectra as detection method. The results indicate that SiO2@MIP2 can fast and selectively adsorb E2 from structural analogues, with detection limit of 0.01 μmol/l.
Template and target information: 17β-estradiol, E2
Author keywords: Surface-imprinting, Core-shell nanoparticle, selective adsorption, 17β-estradiol


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