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44. UV-Triggered Dopamine Polymerization: Control of Polymerization, Surface Coating, and Photopatterning


Xin Du, Linxian Li, Junsheng Li, Chengwu Yang, Nataliya Frenkel, Alexander Welle, Stefan Heissler, Alexei Nefedov, Michael Grunze and Pavel A. Levkin


Adv. Mater., 2014, 26, 8029-8033


UV irradiation is demonstrated to initiate dopamine polymerization and deposition on different surfaces under both acidic and basic pH. The observed acceleration of the dopamine polymerization is explained by the UV-induced formation of reactive oxygen species that trigger dopamine polymerization. The UV-induced dopamine polymerization leads to a better control over polydopamine deposition and formation of functional polydopamine micropatterns. 


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