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Photoclickable Surfaces for Profluorescent Covalent Polymer Coatings

  1. Mathias Dietrich1,2,
  2. Guillaume Delaittre1,3,
  3. James P. Blinco1,
  4. Andrew J. Inglis1,
  5. Michael Bruns4,
  6. Christopher Barner-Kowollik1,*

Article first published online: 17 NOV 2011

DOI: 10.1002/adfm.201102068

Issue

Advanced Functional Materials

Advanced Functional Materials

Volume 22, Issue 2, pages 304–312, January 25, 2012

Additional Information

How to Cite

Dietrich, M., Delaittre, G., Blinco, J. P., Inglis, A. J., Bruns, M. and Barner-Kowollik, C. (2012), Photoclickable Surfaces for Profluorescent Covalent Polymer Coatings. Adv. Funct. Mater., 22: 304–312. doi: 10.1002/adfm.201102068

Author Information

  1. 1

    Preparative Macromolecular Chemistry, Institut für Technische und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128 Karlsruhe, Germany

  2. 2

    Environmental Engineering Group, Fraunhofer Institute of Chemical Technology, Joseph-von-Fraunhofer-Str. 7, 76327 Pfinztal, Germany

  3. 3

    Zoologisches Institut, Zell- und Neurobiologie, Karlsruhe Institute of Technology (KIT), Haid-und-Neu-Straße 9, 76131 Karlsruhe, Germany

  4. 4

    Institute for Applied Materials (IAM-WPT) and Karlsruhe, Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany

*Preparative Macromolecular Chemistry, Institut für Technische und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstr. 18, 76128 Karlsruhe, Germany.

Publication History

  1. Issue published online: 19 JAN 2012
  2. Article first published online: 17 NOV 2011
  3. Manuscript Received: 2 SEP 2011

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Keywords:

  • photochemistry;
  • cellulose;
  • grafting;
  • surface patterning;
  • X-ray photoelectron spectroscopy

Abstract

The nitrile imine-mediated tetrazole-ene cycloaddition reaction (NITEC) is introduced as a powerful and versatile conjugation tool to covalently ligate macromolecules onto variable (bio)surfaces. The NITEC approach is initiated by UV irradiation and proceeds rapidly at ambient temperature yielding a highly fluorescent linkage. Initially, the formation of block copolymers by the NITEC methodology is studied to evidence its efficacy as a macromolecular conjugation tool. The grafting of polymers onto inorganic (silicon) and bioorganic (cellulose) surfaces is subsequently carried out employing the optimized reaction conditions obtained from the macromolecular ligation experiments and evidenced by surface characterization techniques, including X-ray photoelectron spectroscopy and FT-IR microscopy. In addition, the patterned immobilization of variable polymer chains onto profluorescent cellulose is achieved through a simple masking process during the irradiation.

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