Abstract
This article describes the fabrication and characterization of a novel magnetic poly(glycidyl methacrylate–triallyl isocyanurate–divinylbenzene) matrix containing magnetite colloids. The results showed that the matrix was superparamagnetic and could be separated magnetically from a suspension in a few seconds. Protein adsorption properties of diethylamine-derivatized matrix were characterized with bovine serum albumin (BSA) as a model protein. The static capacity determined by batch adsorption was 79 mg/ml wet matrix. Kinetic study gave an effective diffusivity of BSA of 5.0·10 −13 m 2/s in the matrix at an initial BSA concentration in the liquid phase of 1.0 mg/ml. Stability of the matrix was confirmed by recycling of the matrix in protein adsorptions.
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