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Immobilization of protein ligands with methyl vinyl ether-maleic anhydride copolymer.

Methyl vinyl ether-maleic anhydride copolymer (MMAC) is a water-insoluble polymer with an acid anhydride group which reacts with amino groups of ligands to form stable amide bonds. MMAC was used to immobilize protein ligands on two kinds of supports, the wells of plastic microtitre plates for enzyme-linked immunosorbent assay and related methods, and gels for affinity adsorbents. The wells were first coated with MMAC and then allowed to react with proteins. The immobilization of proteins by this method was efficient and occurred in a dose-dependent manner. Shodex Et123, a gel having amino groups, was incubated with MMAC, and then the activated Shodex was used to immobilize high concentrations of proteins. Concanavalin A-Shodex thus obtained had high affinities and was successfully used for the high-performance liquid affinity chromatography of sugar derivatives on a short column.[1]

References

  1. Immobilization of protein ligands with methyl vinyl ether-maleic anhydride copolymer. Isosaki, K., Seno, N., Matsumoto, I., Koyama, T., Moriguchi, S. J. Chromatogr. (1992) [Pubmed]
 
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