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Abstract: Hydrophilic uridine molecularly imprinted core-shell structured polymers (MIPs) were prepared via the distillation precipitation polymerization method using uridine, methyl methacrylate, ethylene glycol dimethacrylate, and 2, 2-azobisisobutyronitrile as the template molecule, functional monomer, cross-linker, and initiator, respectively. The adsorption kinetic behavior, equilibrium, and selectivity of uridine onto the MIPs were investigated by conducting a series of batch adsorption experiments. The results showed that the pseudo-first-order kinetic model provided a good correlation for the adsorption of uridine onto MIPs. The linear correlation coefficient R2 was 0.9884. The Langmuir and Freundlich modeling of the adsorption showed that the adsorption of the imprinted molecule uridine onto MIPs was fitted well to the Freundlich equation. The R2 value was 0.980. The separation capability of the MIPs to uridine and its analog was evaluated as HPLC column filling. The MIPs chromatographic column has a selectively distinguishing ability for uridine and its analog
Template and target information: uridine
Author keywords: Adsorption kinetics, Hydrophilic molecularly imprinted core-shell structured polymers, isotherms, selective adsorption, uridine