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Reference type: Conference Proceeding
Authors: Xuan GS, Sun QY, Zheng X
Publication date: 2014
Article title: A New Molecularly Imprinted Polymer Prepared by Surface Imprinting Technique for Selective Adsorption towards Rhodamine B.
Page numbers: 19-22
DOI: 10.4028/www.scientific.net/AMR.998-999.19 Alternative URL: http://www.scientific.net/AMR.998-999.19

Proceedings title: Advanced Materials Research
Editors: Zhao XSG, Si HZ, Xu PL
Publisher: Trans Tech Publications
City: Switzerland
Volume number: 998-999
Conference information: Advances in Applied Sciences, Engineering and Technology II

Abstract: A new molecularly imprinted polymers (Rhodamine B-KH-570/SiO2,MIPS) with high performance for recognizing Rhodamine B was prepared by adopting the surface molecular imprinting technique with silica-gel modified by KH-570 as a carrier material, acrylamide as the functional monomer and N,N-methylene-bis-acrylamide (MBA) as the crosslinker.The static adsorption experiments indicated that MIPS had significantly higher adsorption capacity for Rhodamine B than its non-imprinted polymers (NIPS). Dynamic binding study showed that the MIPS had good site accessibility and mass transport for Rhodamine B.Scatchard analysis revealed that two classes of binding sites were formed in MIPS with dissociation constants of 0.086mol/L and 0.0076 mol/L, and the maximum apparent binding capacity was 96.00μmol/g and 50.07 μmol/g, respectively.The selectivity coefficients and separation factors of MIPS for Rhodamine B in relation to competition species Rhodamine123 were 131.51 and 3.86 respectively, which suggested that MIPS had high recognition selectivity and binding affinity for the template molecule Rhodamine B.
Template and target information: Rhodamine B
Author keywords: Choice Recognition, Molecularly imprinted polymers, Rhodamine B, surface imprinting

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