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Preparation and High-temperature Anti-adhesion Behavior of a Slippery Surface on Stainless Steel
Published on: March 29, 2018
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Surface Modification of Stainless Steel for Enhanced Antibacterial Activity
Metka Benčina1,2, Niharika Rawat2, Domen Paul1
1Department of Surface Engineering, Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia.
ACS Omega
|April 14, 2025
Summary
This study enhances stainless steel 316L
Area of Science:
- Materials Science
- Biomedical Engineering
- Surface Engineering
Background:
- Stainless steel 316L (SS316L) is crucial for medical and food industries.
- Its lack of antibacterial properties is a significant limitation in high-hygiene settings.
Purpose of the Study:
- To develop a novel surface modification for SS316L.
- To enhance its antibacterial properties for demanding applications.
Main Methods:
- Combined electrochemical anodization and nonthermal plasma treatment.
- Characterization using SEM, AFM, XPS, and WCA measurements.
- Antibacterial testing against Escherichia coli and Staphylococcus aureus.
Main Results:
- Tunable nanoporous structures (100-300 nm) were formed.
- Surface roughness increased with anodization voltage.
- Plasma treatment induced superhydrophilicity (WCA < 5°).
- Significant enhancement in antibacterial efficacy, reducing bacterial adhesion by up to 92%.
Conclusions:
- The combined treatment effectively improves SS316L surface properties.
- This method offers a promising strategy for antibacterial SS316L in medical and food processing.
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