Enhancing adhesion and polymerization of lipase-plasma-polymerized-ethylene coatings deposited with planar dielectric-barrier-discharge-type aerosol-assisted atmospheric-pressure plasma system

Yun-Chien Cheng, Chun Ping Hsiao, Yung Hsin Liu, Chu Hao Yang, Chun Yi Chiang, Tsung Rong Lin, Yi Wei Yang, Jong-Shinn Wu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

To enhance the adhesion and polymerization of lipase-plasma-polymerized-ethylene (lipase-PPE) coatings deposited by aerosol-assisted atmospheric plasma deposition (AAAPPD), the effects of voltage, ceramic-dielectric thickness, and pre-coated PPE layer were investigated. In AAAPPD system, ethylene and lipase-phosphate-buffered-saline aerosol were used as precursors to polymerize ethylene and embed lipase simultaneously. The deposited lipase-PPE coatings were analyzed with FTIR, SEM, and surface profiler. The results show that increasing voltage from 3 to 4 kV and decreasing ceramic-dielectric thickness from 1 to 0.38 mm improved the coating adhesion and polymerization. Also, depositing a PPE layer with high energy prior to lipase-PPE coating enhanced adhesion. These improvements of the biomolecule-PPE coatings facilitate further bioapplications of this new biomolecule-embedding method.

Original languageEnglish
Article number1700173
JournalPlasma Processes and Polymers
Volume15
Issue number4
DOIs
StatePublished - 1 Apr 2018

Keywords

  • adhesion
  • aerosol-assisted plasma deposition
  • plasma polymerization
  • protein embedding

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