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Mechanobactericidal Nanotopography on Nitrile Surfaces toward Antimicrobial Protective Gear

Patil, D and Golia, V and Overland, M and Stoller, M and Chatterjee, K (2023) Mechanobactericidal Nanotopography on Nitrile Surfaces toward Antimicrobial Protective Gear. In: ACS Macro Letters . pp. 227-233.

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Official URL: https://doi.org/10.1021/acsmacrolett.2c00697


We have much to learn from other living organisms when it comes to engineering strategies to combat bacterial infections. This study describes the fabrication of cicada wing-inspired nanotopography on commercially pure (CP) nitrile sheets and nitrile gloves for medical use using the reactive ion etching (RIE) technique. Antibacterial activity against P. aeruginosa was tested using two different surface morphologies. It was observed that the etched nitrile surfaces effectively minimized bacterial colonization by inducing membrane damage. Our findings demonstrate a single-step dry etching method for creating mechanobactericidal topographies on nitrile-based surfaces. These findings have utility in designing next-generation personal protective gear in the clinical setting and for many other important applications in the age of antimicrobial resistance. © 2023 American Chemical Society.

Item Type: Journal Article
Publication: ACS Macro Letters
Publisher: American Chemical Society
Additional Information: The copyright for this article belongs to American Chemical Society.
Keywords: Microorganisms; Protective clothing; Reactive ion etching, Anti-bacterial activity; Bacterial colonization; Bacterial infections; Etching technique; Learn+; Living organisms; Medical use; Nanotopographies; P.aeruginosa; Reactive-ion etching, Nanotechnology
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 16 Feb 2023 05:12
Last Modified: 16 Feb 2023 05:12
URI: https://eprints.iisc.ac.in/id/eprint/80300

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