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Reference type: Journal
Authors: Ren D, He J, Zhang HX
Article Title: Synthesis, characterization and evaluation of hollow molecularly imprinted polymers for Sudan I.
Publication date: 2014
Journal: Analytical Methods
Volume: 6
Issue: (9)
Page numbers: 3079-3085.
DOI: 10.1039/C4AY00382A

Abstract: A novel strategy was developed to prepare hollow molecularly imprinted polymers (HMIPs) with thin solid shells, in which a soft polystyrene core and a hard inner shell of SiO2 were introduced; this strategy combined surface molecular imprinting of Sudan I and in situ polymerization. The HMIPs possessed good morphological stability without deformation or breakage owing to the existence of SiO2. The thin imprinted coating (50 nm) of HMIPs ensured a faster mass transfer and a higher efficiency of active site utilization during adsorption. Moreover, the HMIPs were successfully applied as a solid-phase extraction (SPE) sorbent for the selective adsorption of Sudan I in chilli powder samples, and satisfactory recoveries were obtained in the range of 95-108% with spiked samples
Template and target information: Sudan I

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