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Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens
(1) Background: Surfaces have been implicated in the transmission of infections. We aimed to assess how effective an usnic-acid-containing self-decontaminating coating was on the surfaces of the Athens underground metro. (2) Methods: Two samples were collected from each of 60 surfaces of a station a...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9693115/ https://www.ncbi.nlm.nih.gov/pubmed/36422303 http://dx.doi.org/10.3390/microorganisms10112233 |
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author | Maltezou, Helena C. Horefti, Elina Papamichalopoulos, Nikolaos Tseroni, Maria Ioannidis, Anastasios Angelakis, Emmanouil Chatzipanagiotou, Stylianos |
author_facet | Maltezou, Helena C. Horefti, Elina Papamichalopoulos, Nikolaos Tseroni, Maria Ioannidis, Anastasios Angelakis, Emmanouil Chatzipanagiotou, Stylianos |
author_sort | Maltezou, Helena C. |
collection | PubMed |
description | (1) Background: Surfaces have been implicated in the transmission of infections. We aimed to assess how effective an usnic-acid-containing self-decontaminating coating was on the surfaces of the Athens underground metro. (2) Methods: Two samples were collected from each of 60 surfaces of a station and a wagon before the application of the coating and 9 and 20 days after, and they were tested for bacteria, fungi, and SARS-CoV-2 using conventional microbiological and molecular methods. Bacteria and fungi growth were expressed in colony forming units (CFUs)/10(2)cm(2). (3) Results: Before the application of the coating, 50% of the samples tested positive for the targeted microbes: 91.7% for bacteria, 18.3% for fungi, and 8.3% for SARS-CoV-2. After nine days, 3.3% of the samples tested positive for bacteria and 6.6% after 20 days. The average amount of bacteria before the coating was applied was 8.5 CFU/10(2)cm(2) compared to 0 and 0 CFU/10(2)cm(2) after application (100% and 95% reduction); all samples collected after the application were negative for SARS-CoV-2 and fungi (100% reduction). (4) Conclusion: An usnic-acid-containing self-decontaminating coating was highly effective in eliminating bacterial, fungal, and SARS-CoV-2 contamination of surfaces in the underground metro. |
format | Online Article Text |
id | pubmed-9693115 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-96931152022-11-26 Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens Maltezou, Helena C. Horefti, Elina Papamichalopoulos, Nikolaos Tseroni, Maria Ioannidis, Anastasios Angelakis, Emmanouil Chatzipanagiotou, Stylianos Microorganisms Article (1) Background: Surfaces have been implicated in the transmission of infections. We aimed to assess how effective an usnic-acid-containing self-decontaminating coating was on the surfaces of the Athens underground metro. (2) Methods: Two samples were collected from each of 60 surfaces of a station and a wagon before the application of the coating and 9 and 20 days after, and they were tested for bacteria, fungi, and SARS-CoV-2 using conventional microbiological and molecular methods. Bacteria and fungi growth were expressed in colony forming units (CFUs)/10(2)cm(2). (3) Results: Before the application of the coating, 50% of the samples tested positive for the targeted microbes: 91.7% for bacteria, 18.3% for fungi, and 8.3% for SARS-CoV-2. After nine days, 3.3% of the samples tested positive for bacteria and 6.6% after 20 days. The average amount of bacteria before the coating was applied was 8.5 CFU/10(2)cm(2) compared to 0 and 0 CFU/10(2)cm(2) after application (100% and 95% reduction); all samples collected after the application were negative for SARS-CoV-2 and fungi (100% reduction). (4) Conclusion: An usnic-acid-containing self-decontaminating coating was highly effective in eliminating bacterial, fungal, and SARS-CoV-2 contamination of surfaces in the underground metro. MDPI 2022-11-11 /pmc/articles/PMC9693115/ /pubmed/36422303 http://dx.doi.org/10.3390/microorganisms10112233 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Maltezou, Helena C. Horefti, Elina Papamichalopoulos, Nikolaos Tseroni, Maria Ioannidis, Anastasios Angelakis, Emmanouil Chatzipanagiotou, Stylianos Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens |
title | Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens |
title_full | Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens |
title_fullStr | Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens |
title_full_unstemmed | Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens |
title_short | Antimicrobial Effectiveness of an Usnic-Acid-Containing Self-Decontaminating Coating on Underground Metro Surfaces in Athens |
title_sort | antimicrobial effectiveness of an usnic-acid-containing self-decontaminating coating on underground metro surfaces in athens |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9693115/ https://www.ncbi.nlm.nih.gov/pubmed/36422303 http://dx.doi.org/10.3390/microorganisms10112233 |
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