Abstract

The condensation reactions between tris(hydroxymethyl)phosphine, P(CH 2OH) 3, and either 1,6-diaminohexane or the trifunctional polyetheramine Jeffamine T-403 produce polymeric aminomethyl phosphines containing excess NH 2 groups. These polymers, after oxidation to the phosphine oxides, can be used as supports for enzyme immobilization. Immobilised urease retains activity after continuing usage in urea solutions.

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