Immobilization of biological material within a polymer matrix

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process...

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435180, 435182, 530817, C12P 100, C12N 1108, C12N 1104, C07K 1708

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active

047741783

ABSTRACT:
Biological material such as microorganisms is immobilized by polymerizing in the presence of the biological material a readily soluble polyetherpolyol having some hydroxyl groups esterified with acrylic and/or methacrylic acid and remaining hydroxyl groups reacted with an isocyanate group-containing derivative of an unsaturated carboxylic acid or a polyfunctional isocyanate. Preferably, the isocyanate derivative of an unsaturated carboxylic acid is isocyanatoethyl acrylate, isocyanatoethyl methacrylate of 4-isocyanato-3-methyl-2-butyl-acrylate and the polyfunctional isocyanate is a diisocyanate or polyisocyanate. Beads can be produced by forming droplets in a water-immiscible medium and polymerizing. Polymerization can be carried out under inert gas in the presence of radical initiators or by irradiation with actinic light.

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patent: 3860490 (1975-01-01), Guttag
patent: 4195129 (1980-03-01), Fukui et al.
patent: 4342834 (1982-08-01), Wood et al.
patent: 4390627 (1983-06-01), Iantero, Jr.
patent: 4582805 (1986-04-01), Bozzelli et al.

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