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Reference type: Journal
Authors: So J, Pang C, Dong HX, Jang P, U J, Ri K, Yun C
Article Title: Adsorption of 1-naphthyl methyl carbamate in water by utilizing a surface molecularly imprinted polymer.
Publication date: 2018
Journal: Chemical Physics Letters
Volume: 699
Page numbers: 199-207.
DOI: 10.1016/j.cplett.2018.03.059
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0009261418302422

Abstract: Surface molecularly imprinting polymer (SMIP) was utilized in the removal of a residual pesticide (carbaryl (CBL)) in water and simulated fruit juice. Being the crosslinking agent, ethylene glycol dimethacrylate (EGDMA) was copolymerized with the monomer, methacrylic acid (MAA) and CBL as the template molecules on the surface of the silica gel particles to produce the SMIP adsorbents. The SMIP adsorbents showed good selectivity and good adsorption capacity for CBL in the competitive adsorptions with two structurally related carbamate pesticides. The effect of the pretreatment solvents on the adsorption capacity of the SMIP adsorbent was investigated with the results of the numerical simulations. The adsorption isotherms and the adsorption kinetics were well described by the Freundlich equilibrium model and the pseudo-second-order kinetic model, respectively. Scatchard plot analysis revealed that there were two classes of binding sites populated in the SMIP adsorbents. In addition, the good selective adsorption of CBL by the SMIP adsorbent in a simulated fruit juice containing vitamin C and fructose indicated the great potential of the SMIP adsorbents to remove residual pesticide in food industry and processing industry for agricultural products
Template and target information: carbaryl, CBL, 1-naphthyl methyl carbamate
Author keywords: Carbaryl, surface molecularly imprinted polymer, adsorption, water, Kinetic, isotherm


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