Study of chloramphenicol molecularly imprinted composite membrane and its adsorption properties

Chloramphenicol molecularly imprinted composite membranes with predominant recognition and selectivity are studied through in-situ polymerization by UV irradiation,using chloramphenicol as template,diethyl-amino-ethylmethacrylate as the functional monomer,ethyleneglycol dimethacrylate as the cross-linker,azobisisobutyronitrile as the initiator and nylon microfiltration membrane as the supporter.The interaction between chloramphenicol and functional monomer is studied by UV-visible spectroscopy.The binding characteristics of the imprinted composite membranes are studied by the equilibrium binding experiments and specific adsorption experiments.The results show that non-covalent bond is formed between the template molecule and functional monomer.It is found that the imprinted polymer composite membranes show height recognition ability and good specific adsorption to chloramphenicol and the max binding amount reached 1.753 g/cm2.