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The preparation of D-phenylalanine imprinted microbeads by a novel method of modified suspension polymerization

  • Hamayun Khan
  • Joong Kon Park
Article

Abstract

Molecularly imprinted polymeric microbeads (MIPMs) were prepared by the suspension and modified suspension polymerization methods using D-phenylalanine as the template, methacrylic acid as the functional monomer, ethylene glycol dimethacrylate as the cross-linker, toluene as the porogen, polyvinyl alcohol as the stabilizer, and sodium dodecyl sulfate as the surfactant. The addition of a surfactant to the conventional suspension polymerization mixture decreased the mean particle size of the MIPMs and increased the adsorption selectivity. For the modified suspension polymerization method, the mean particle size of the MIPMs was smaller than the particle size of MIPMs prepared via conventional suspension polymerization. Moreover, the adsorption selectivity improved considerably compared to the adsorption selectivities of MIPs reported previously.

Keywords

molecularly imprinted polymeric microbeads phenylalanine modified suspension polymerization enantioselective separation molecular recognition 

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Copyright information

© The Korean Society for Biotechnology and Bioengineering 2006

Authors and Affiliations

  1. 1.Department of Chemical EngineeringKyungpook National UniversityTaeguKorea

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