Polydopamine (PDA) films are generally produced by spontaneous oxidation of dopamine in
basic medium, which is a highly convenient method for surface modification. This method is,
however, not suitable for alkaline sensitive materials, which have poor stability in alkali
medium and need over-long reaction time. Herein, we compared two dopamine
polymerization methods: conventional method (induced by O 2 at pH 8.5) and laccase-
catalyzed method (at pH 5.5). The comparison showed that the polymerization of dopamine …