Fabrication and characterization of antimicrobial surface-modified stainless steel for bio-application

Kang Kyun Wang, Bong Jin Kim, Il-Heo, Seong Jin Jung, Jeong Wook Hwang, Yong Rok Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We report a photofunctional stainless steel (PSS) that has antimicrobial property which is provided by reactive oxygen species (ROS) generated from the photosensitizer (PS). For the fabrication of the photofunctional stainless steel, the photosensitizer of hematoporphyrin (HP) was covalently bonded to the surface of 316L stainless steel (316LSS) through an esterification reaction. The PSS plate was investigated by x-ray photoelectron spectroscopy (XPS), reflectance UV–Vis absorption, and fluorescence spectroscopy. ROS generation from the PSS plate was studied by using the decomposition reaction of 1,3-diphenyl-isobenzofuran (DPBF). The results suggest that the immobilized photosensitizer molecules on the surface of the PSS plate still possess their intrinsic optical and functional properties including the ROS generation. The antimicrobial property of the PSS plate was successfully demonstrated with the decomposition of biofilm and the suppression of the biofilm formation on the surface of the PSS plate.

Original languageEnglish
Pages (from-to)256-262
Number of pages7
JournalSurface and Coatings Technology
Volume310
DOIs
Publication statusPublished - 2017 Jan 25

Fingerprint

Stainless Steel
stainless steels
Stainless steel
Fabrication
fabrication
Photosensitizing Agents
Photosensitizers
Reactive Oxygen Species
biofilms
Biofilms
Oxygen
oxygen
Hematoporphyrins
Decomposition
decomposition
Fluorescence spectroscopy
Esterification
Photoelectron spectroscopy
Absorption spectroscopy
x ray spectroscopy

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Wang, Kang Kyun ; Kim, Bong Jin ; Il-Heo ; Jung, Seong Jin ; Hwang, Jeong Wook ; Kim, Yong Rok. / Fabrication and characterization of antimicrobial surface-modified stainless steel for bio-application. In: Surface and Coatings Technology. 2017 ; Vol. 310. pp. 256-262.
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Fabrication and characterization of antimicrobial surface-modified stainless steel for bio-application. / Wang, Kang Kyun; Kim, Bong Jin; Il-Heo; Jung, Seong Jin; Hwang, Jeong Wook; Kim, Yong Rok.

In: Surface and Coatings Technology, Vol. 310, 25.01.2017, p. 256-262.

Research output: Contribution to journalArticle

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AU - Kim, Bong Jin

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AU - Kim, Yong Rok

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