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@article{2237984,
author = {Behrangi, Sahand and Sedláček, Ivo and Štěrba, Ján and Suková, Gabriela and Czigány, Zsolt and Buršíková, Vilma and Souček, Pavel and Sochora, Vjačeslav and Balázsi, Katalin and Vašina, Petr},
article_number = {9},
doi = {http://dx.doi.org/10.3390/coatings12091330},
keywords = {magnetron sputtering; microstructure; crystallite size; bactericidal properties; SARS-CoV-2},
language = {eng},
issn = {2079-6412},
journal = {Coatings},
title = {An Assessment of the Bactericidal and Virucidal Properties of ZrN-Cu Nanostructured Coatings Deposited by an Industrial PVD System},
url = {https://www.mdpi.com/2079-6412/12/9/1330},
volume = {12},
year = {2022}
}
TY - JOUR
ID - 2237984
AU - Behrangi, Sahand - Sedláček, Ivo - Štěrba, Ján - Suková, Gabriela - Czigány, Zsolt - Buršíková, Vilma - Souček, Pavel - Sochora, Vjačeslav - Balázsi, Katalin - Vašina, Petr
PY - 2022
TI - An Assessment of the Bactericidal and Virucidal Properties of ZrN-Cu Nanostructured Coatings Deposited by an Industrial PVD System
JF - Coatings
VL - 12
IS - 9
SP - 1-16
EP - 1-16
PB - MDPI
SN - 20796412
KW - magnetron sputtering
KW - microstructure
KW - crystallite size
KW - bactericidal properties
KW - SARS-CoV-2
UR - https://www.mdpi.com/2079-6412/12/9/1330
N2 - Pathogenic microbes, such as bacteria and viruses, can spread quickly via contaminated surfaces. Most of these pathogenic microorganisms can survive on surfaces for a long time. Touching these surfaces can lead to the transmission of the microorganisms to the human body and cause serious illnesses. ZrN-Cu coatings containing different amounts of Cu were deposited using an industrial PVD system, and their ability to inhibit bacteria and inactivate the SARS-CoV-2 virus was tested. Microstructural studies showed the formation of two distinct ZrN and Cu phases when Cu content was sufficiently high. Hardness and elastic modulus were inversely proportional to the Cu content. The coatings showed outstanding bactericidal properties against Escherichia coli and Pseudomonas aeruginosa, especially when Cu content was more than 12 at.% and exposure time was longer than 40 min. The coatings, however, did not exhibit any significant virucidal properties. Good mechanical properties, along with excellent antibacterial effects, make these coatings suitable for use as self-sanitizing surfaces on objects that people regularly touch and that are prone to bacterial contamination. Their use would thus allow for only minimal transmission or multiplication of bacteria, and the treated surface would not serve as another source of infection.
ER -
BEHRANGI, Sahand, Ivo SEDLÁČEK, Ján ŠTĚRBA, Gabriela SUKOVÁ, Zsolt CZIGÁNY, Vilma BURŠÍKOVÁ, Pavel SOUČEK, Vjačeslav SOCHORA, Katalin BALÁZSI a Petr VAŠINA. An Assessment of the Bactericidal and Virucidal Properties of ZrN-Cu Nanostructured Coatings Deposited by an Industrial PVD System. \textit{Coatings}. MDPI, 2022, roč.~12, č.~9, s.~1-16. ISSN~2079-6412. Dostupné z: https://dx.doi.org/10.3390/coatings12091330.
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