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Manthiriyappan Sureshkumar, Dessy Yovita Siswanto, Yong-Cin Chen, Cheng-Kang Lee and Meng-Jiy Wang Antibacterial and biocompatible surfaces based on dopamine autooxidized silver nanoparticles Journal of Polymer Science Part B: Polymer Physics 51

Article first published online: 14 NOV 2012 | DOI: 10.1002/polb.23212

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Polydopamine (Pdop) coatings on almost any kind of solid surface provide multifunctional groups capable of reducing noble metal ions to metal nanoparticles. In this study, Pdop is applied to different surfaces (polyethylene, poly(methyl methacrylate), poly(lactic-co-glycolic acid), and glass), producing silver nanoparticles for antibacterial and catalytic applications. The Ag/Pdop/PE samples not only reveal biocidal effects toward both Gram-negative (E. coli) and Gram-positive (B. subtilis) bacteria but also possess biocompatibility toward L-929 fibroblasts, suggesting applications in biomaterials and biomedical devices.

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