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Current Directions in Biomedical Engineering

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Buzug, Thorsten M. / Haueisen, Jens / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Kraft, Marc / Lenarz, Thomas / Leonhardt, Steffen / Malberg, Hagen / Penzel, Thomas / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Urban, Gerald A.

Open Access
Online
ISSN
2364-5504
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Novel test procedure for testing antimicrobially active materials

Alexander Stich
  • Technical University of Applied Sciences Amberg-Weiden, Hetzenrichter Weg 15, 92637 Weiden, Germany
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/ Sebastian Buhl
  • Technical University of Applied Sciences Amberg-Weiden, Hetzenrichter Weg 15, 92637 Weiden, Germany
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/ Clemens Bulitta
  • Corresponding author
  • Technical University of Applied Sciences Amberg-Weiden, Hetzenrichter Weg 15, 92637 Weiden, Germany
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Published Online: 2018-09-22 | DOI: https://doi.org/10.1515/cdbme-2018-0056

Abstract

Antimicrobial coatings are typically tested for their activity and effectiveness based on an artificial procedure, the standard JIS Z 2801 (or ISO 22196). The test samples are contaminated with a predetermined concentration of bacteria and covered with a sterile film. Due to the artificial structure of this process, however, there is always the question of the validity in the practical application of these surfaces and how comparable this germ-reducing effect is to currently common disinfection measures. Therefore, we developed a more realistic test procedure in our laboratory. The test samples are inoculated and incubated at standard room conditions. To compare the antimicrobial activity to standard cleaning procedures also disinfection and wipe controls were performed. The results show that the antimicrobial test patterns we use have a strong efficacy. This could be shown reproducibly both with the standard method JIS Z 2801 as well as with our new test procedure.

Keywords: antimicrobial; coated samples; disinfectant; disinfectant wipe; germ-reducing; novel test procedure; sterile water

About the article

Published Online: 2018-09-22

Published in Print: 2018-09-01


Citation Information: Current Directions in Biomedical Engineering, Volume 4, Issue 1, Pages 229–231, ISSN (Online) 2364-5504, DOI: https://doi.org/10.1515/cdbme-2018-0056.

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