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Selective Adsorption of Norfloxacin in Aqueous Media by an Imprinted Polymer Based on Hydrophobic and Electrostatic Interactions by Zhifeng Xu; Daizhi Kuang; Lan Liu; Qinying Deng is a Chemistry article available to read on EtoBox.

What is Selective Adsorption of Norfloxacin in Aqueous Media by an Imprinted Polymer Based on Hydrophobic and Electrostatic Interactions about?

Based on hydrophobic and electrostatic interactions, a norfloxacin (NOF) imprinted polymer (P 1 ) was prepared by the combined use of bismethacryloyl-␤-cyclodextrin (BMA-␤-CD) and 2-(diethylamino)ethylmethacrylate (DEAEM) as functional monomers. Compared with the molecularly imprinted polymers (MIPs) using only BMA-␤-CD or DEAEM as a functional monomer, P 2 and P 3 , respectively, P 1 showed higher binding affinity and specificity for NOF in aqueous media. Scatchard plot analysis revealed that two classes of binding sites were formed in the imprinted polymer with dissociation constants of 0.32 mol/ml and 1.19 mol/ml, respectively. It demonstrated that the combination of hydrophobic effect and electrostatic interaction in molecular imprinting was essential for the improvement of the selective ability of the imprinted polymer. Factors that influenced rebinding of the imprinted polymer including pH, water content in the adsorbed solution were explored.

Who reads Selective Adsorption of Norfloxacin in Aqueous Media by an Imprinted Polymer Based on Hydrophobic and Electrostatic Interactions?

Author

Zhifeng Xu; Daizhi Kuang; Lan Liu; Qinying Deng

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0731-7085)

Published

2007

Language

EN

Field

Chemistry (Physical Sciences)