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Polystyrene surface modification for localized cell culture using a capillary dielectric barrier discharge atmospheric-pressure microplasma jet

  • K.G. Doherty
  • , J.S. Oh
  • , P. Unsworth
  • , A. Bowfield
  • , C.M. Sheridan
  • , P. Weightman
  • , J.W. Bradley
  • , R.L. Williams

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reports the spatially resolved surface modification of polystyrene (PS) using an atmospheric-pressure microplasma jet. Treatment of PS surfaces using a microplasma jet with a 100 ?m diameter is investigated using contact angle, XPS, AFM and lens epithelial cell (LEC) growth. Microplasma jet treatment creates a defined reduction in contact angle of approximately 60°in a circular pattern with a diameter of 1.5 mm or more. Spatially resolved XPS analysis demonstrates that a reduction in contact angle is related to an increase in O1s peak intensity. AFM confirms that microplasma jet treatment causes no significant change in surface roughness. LECs are confined to a treated area. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish
Pages (from-to)978-989
JournalPlasma Processes and Polymers
Volume10
Issue number11
DOIs
Publication statusPublished (in print/issue) - 7 Oct 2013

Keywords

  • Atmospheric-Pressure Microplasma Jet
  • Cell Adhesion
  • Polystyrene (PS)
  • Surface Modification
  • Water Contact-Angle (WCA)
  • X-ray Photoelectron Spectroscopy (XPS)
  • Atomic Force Microscopy (AFM)
  • Lens Epithelial Cells (LEC)

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