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Abstract: Camphor monolithic molecularly imprinted polymers(monolithic MIPs) were prepared by in situ polymerization method as the liquid chromatography stationary phase.By optimizing the polymerization and chromatographic conditions,the monolithic MIPs showed high selectivity for the template.The binding capacity was evaluated by frontal analysis.The monolithic MIP had an effective number of binding sites Bt = 1.815 x 10^2 mmol/g with a dissociation constant of Kd= 9.064 mmol/mL.Thermodynamic data Δ H and Δ S obtained by Van't Hoff plots revealed that the adsorption of camphor is an entropy production process.Isothermal adsorption analysis indicated that only one class of binding sites existed in this MIP.The experimental results testified that the prepared MIP had high selectivity and specificity to camphor in one real rosemary essential oil sample, and this means the MIPs can be used for direct analysis as a new method.
Template and target information: camphor
Author keywords: molecularly imprinted polymer, monolithic column, in situ synthesis, Camphor, high performance liquid chromatography