Reactive Microcontact Printing on Block Copolymer Films: Exploiting Chemistry in Microcontacts for Sub-µm Patterning of Biomolecules

C.L. Feng, A. Embrechts, Ilona Bredebusch, Jürgen Schnekenburger, Wolfram Domschke, Gyula J. Vancso, Holger Schönherr

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Highly localized, selective deprotection chemistry and efficient grafting reactions in microcontacts between elastomeric stamps and reactive polystyrene-block-poly(tert-butyl acrylate) (PS690-b-PtBA1210) diblock copolymer films are developed. The procedure yields well-defined protein-poly(ethylene glycol) (PEG) nanopatterns (see figure), which may find applications in, for example, cancer-cell-surface interaction studies.
Original languageUndefined
Pages (from-to)286-290
Number of pages4
JournalAdvanced materials
Issue number2
Publication statusPublished - 2007


  • Cells
  • Biosensors
  • Block copolymers
  • IR-72326
  • Microcontact Printing
  • METIS-240350
  • Biomedical applications

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