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Nano-coating protects biofunctional materials

  • Rupert Tscheliessnig
  • , Martin Zörnig
  • , Eva M. Herzig
  • , Katharina Lückerath
  • , Jens Altrichter
  • , Kristina Kemter
  • , Adnana Paunel-Görgülü
  • , Tim Lögters
  • , Joachim Windolf
  • , Silvia Pabisch
  • , Jindrich Cinatl
  • , Holger F. Rabenau
  • , Alois Jungbauer
  • , Peter Müller-Buschbaum
  • , Martin Scholz
  • , Joachim Koch
  • University of Natural Resources and Applied Life Sciences
  • Austrian Centre of Industrial Biotechnology GmbH
  • Institute for Biomedical Research
  • Technical University of Munich
  • Leukocare AG
  • Heinrich-Heine-University
  • Vienna-UNI
  • Johann Wolfgang Goethe University

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The demand to develop convergent technology platforms, such as bio-functionalized medical devices, is rapidly increasing. However, the loss of biological function of the effector molecules during sterilization represents a significant and general problem. Therefore, we have developed and characterized a nano-coating (NC) formulation capable of maintaining the functionality of proteins on biological-device combination products. As a proof of concept, the NC preserved the structural and functional integrity of an otherwise highly fragile antibody immobilized on polyurethane during deleterious sterilizing irradiation (≥ 25 kGy). The NC procedure enables straight-forward terminal sterilization of bio-functionalized materials while preserving optimal conditioning of the bioactive surface.

Original languageEnglish
Pages (from-to)394-404
Number of pages11
JournalMaterials Today
Volume15
Issue number9
DOIs
StatePublished - Sep 2012

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