Dopamine is used as a versatile building block to create a coating polymer that can adhere to various surfaces. The self-assembly of dopamine in an alkaline environment under aerobic conditions produces a dark bioinspired polymer called polydopamine. However, this manuscript demonstrates that it is possible to drive the polymerization without oxygen by utilizing the metabolism of anaerobic photosynthetic purple bacteria.
Dopamine is an efficient building block to produce a versatile coating polymer able to adhere on a vast repertoire of material surfaces. Polydopamine, a dark-bioinspired polymer, is produced by the self-assembly of the dopamine under aerobic conditions in an alkaline environment. The presence of oxygen is crucial for self-polymerization of dopamine in aqueous solution. In this manuscript we show that is possible to drive the polymerization in absence of oxygen exploiting the metabolism of anaerobic photosynthetic purple bacteria.
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