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Sensors 2008, 8(4), 2854-2864; doi:10.3390/s8042854

Molecularly Imprinted Polymers: Thermodynamic and Kinetic Considerations on the Specific Sorption and Molecular Recognition

Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
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Received: 5 November 2007 / Accepted: 25 February 2008 / Published: 23 April 2008
(This article belongs to the Special Issue Molecular Recognition and Sensors, Including Molecular Imprinting)
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Abstract

This article presents a work aiming at thermodynamically and kinetically interpreting the specific sorption and recognition by a molecularly imprinted polymer. Using Boc-L-Phe-OH as a template, the imprinted material was prepared. The result indicates that the prepared polymer can well discriminate the imprint species from its analogue (Boc-D-Phe-OH), so as to adsorb more for the former but less for the latter. Kinetic analysis indicates that this specific sorption, in nature, can be a result of a preferential promotion. The imprint within the polymer causes a larger adsorption rate for the template than for the analogue. Thermodynamic study also implies that the molecular induction from the specific imprint to the template is larger than to the analogue, which thus makes the polymer capable of preferentially alluring the template to bind. View Full-Text
Keywords: Molecular imprinting; polymers; molecular recognition; thermodynamics; kinetics Molecular imprinting; polymers; molecular recognition; thermodynamics; kinetics
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Li, S.; Huang, X.; Zheng, M.; Li, W.; Tong, K. Molecularly Imprinted Polymers: Thermodynamic and Kinetic Considerations on the Specific Sorption and Molecular Recognition. Sensors 2008, 8, 2854-2864.

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