4.8 Article

Mussel-Inspired Polymer Carpets: Direct Photografting of Polymer Brushes on Polydopamine Nanosheets for Controlled Cell Adhesion

Journal

ADVANCED MATERIALS
Volume 28, Issue 7, Pages 1489-1494

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201504033

Keywords

2D nanosheets; freestanding; nonfouling; polydopamine; polymer carpets

Funding

  1. cluster of excellence, Center for Advancing Electronics Dresden (CfAED)
  2. DAAD
  3. China Scholarship Council (CSC) from P.R. China
  4. ESF-Nachwuchsforschergruppe ChemIT-Chemische Informationstechnik
  5. Senatsverwaltung fur Wirtschaft, Technologie und Forschung des Landes Berlin
  6. Bundesministerium fur Bildung und Forschung

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2D mussel-inspired polydopamine (PDA) nanosheets are prepared and exploited as a functional surface for grafting various polymer brushes. The PDA nanosheet and its polymer-brush derivatives show lateral integrity and are robust; therefore, they can be detached from their substrates. Cell-adhesion tests show that the PDA nanosheet promotes cell growth and attachment, while a PDA-based poly(3-sulfopropyl methacrylate) carpet exhibits nonfouling behavior.

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