Copper-based water repellent and antibacterial coatings by aerosol assisted chemical vapour deposition

Chemical Science
Ekrem OzkanIvan P Parkin

Abstract

The adhesion and proliferation of bacteria on solid surfaces presents a major challenge in both healthcare and industrial applications. In response to this problem, an effective and simple method is reported to fabricate superhydrophobic antibacterial copper coated polymer films via aerosol assisted chemical vapor deposition (AACVD). The material is characterized using a range of techniques including electron microscopy, water contact angle measurement and elemental mapping. The antibacterial activity of the modified film is tested against the Gram-negative bacterium, Escherichia coli, and the Gram-positive bacterium, Staphylococcus aureus and the film shows highly significant antibacterial activity against both bacteria (>4 log reduction in bacterial numbers) in 15 min and 60 min, respectively. In addition, all the CVD modified samples results in a significant reduction in bacterial cell adhesion compared to the control materials. Thus, we report a new film type that has dual mode of action-the superhydrophobicity helps limit cell adhesion combined with a cytotoxic copper induced bacteria kill.

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Citations

Jan 30, 2020·Biomaterials Science·Haifeng Fan, Zhiguang Guo
Oct 5, 2017·Journal of Biomedical Materials Research. Part a·Muhammad RizwanMohd Hamdi
Aug 9, 2020·Open Forum Infectious Diseases·Piyali ChatterjeeChetan Jinadatha
Dec 31, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Mihaela MateescuLaurent Vonna
Apr 24, 2021·Chemical Society Reviews·Yasmin A MehannaColin R Crick
Oct 12, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Abinash TripathyProsenjit Sen
Jan 29, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Ludmila B BoinovichAlexandre M Emelyanenko
Aug 2, 2017·ACS Applied Materials & Interfaces·Gi Byoung HwangIvan P Parkin
Oct 19, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·R Jain, R Pitchumani
May 25, 2018·ACS Nano·Gi Byoung HwangIvan P Parkin
Aug 10, 2017·ACS Applied Materials & Interfaces·Debirupa MitraKoon Gee Neoh
Dec 12, 2020·ACS Biomaterials Science & Engineering·Trevor Franklin, Rong Yang
Nov 5, 2020·ACS Applied Materials & Interfaces·Ekrem OzkanHitesh Handa
Jun 11, 2018·ACS Biomaterials Science & Engineering·Abinash TripathyProsenjit Sen

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Methods Mentioned

BETA
scanning
transmission
X-ray
scanning electron microscopy
atomic force microscopy
AFM

Software Mentioned

Gwyddion

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