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Abstract: Luteolin molecularly imprinted polymer (LMIP) was prepared in polar solvent, using luteolin as template molecule, azobisisobutyronitrile as initiator and N, N-methylene double acrylamide as cross-linking agent. The influence of solvent volumns, different solvents and different monomers on the synthesis of molecularly imprinted polymer was studied. And the elution process of template molecule was simplified. The characterization of LMIP was carried out by IR and SEM. The results have shown, in IR O-H absorption peak was from the 1270 cm -1 in luteolin to the 1300 cm -1 in the molecularly imprinted polymers, indicating that the template molecules are fixed into polymers by functional monomer and crosslinking agent by the polymerization, and the peak disappeared completely after eluted; in SEM, the molecularly imprinted polymers surface there are significant differences before and after eluted, the eluted molecularly imprinted polymers surface is uneven, resulting in a large number of hole. Through studying the selective adsorption of LMIP, it was found the adsorption capacity of polymers on luteolin (35.653 μmol/g) was significantly higher the quercetin (8.654 μmol/g), indicating the polymer showed good binding characteristics to luteolin
Template and target information: luteolin
Author keywords: Luteolin, molecular imprinting polymer, selective adsorption