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Hydroxylation of polypropylene using the monooxygenase mutant 139-3 from Bacill...

Enzymatic hydroxylation of polypropylene (PP) was investigated in order to increase hydrophilicity. A mutant (139-3) of the P450monooxygenase from Bacillus megaterium expressed in E. coli DH5α was purified using anion exchange chromatography. Hydroxylation of PP fabrics led to a dramatic increase of hydrophilicity as indicated by a water drop dissipation time of below 1 s compared to the hydrophobic reference m...