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Article

Bactericidal Activity of Ready-To-Use Alcohol-Based Commercial Wipes According to EN 16615 Carrier Standard

1
Department of Social Medicine and Public Health, Medical University of Warsaw, ul. Oczki 3, 02-007 Warsaw, Poland
2
Laboratory of Combating Infectious Agents and Biological Contaminations, Department of Bacteriology and Biocontamination Control, National Institute of Public Health—National Institute of Hygiene, ul. Chocimska 24, 00-791 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2019, 16(18), 3475; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16183475
Received: 29 July 2019 / Revised: 7 September 2019 / Accepted: 16 September 2019 / Published: 18 September 2019
(This article belongs to the Section Health Behavior, Chronic Disease and Health Promotion)
Background: The effectiveness of ready-to-use disinfectant wipes was previously assessed in standardized suspension tests, which were inadequate because they ignored that the wipes are rubbed against a surface. Thus, we assessed the effectiveness of commercially available disinfectant wipes impregnated with an alcoholic solution according to the 16615 standard, which includes a test with mechanical action. Methods: According to the EN 16615 standard, under clean conditions, four squares (5 cm × 5 cm), placed next to one another, were marked on a test surface. Enterococcus hirae, Pseudomonas aeruginosa, and Staphylococcus aureus were inoculated on the leftmost square, and a wipe impregnated with an alcoholic solution was placed to the left of that square. Then, the wipe was pressed with a 2.5 kg weight and moved to the right and back to the left. After contact times of 1, 5, 10, or 15 min, we measured the reduction in bacterial load. Results: Alcohol-based ready-to-use commercial wipes did not show sufficient bactericidal activity at the contact times of 1, 5, 10 and 15 min. Wipes containing propan-1-ol and a mixture of propan-1-ol and propan-2-ol were active against Pseudomonas aeruginosa at the contact times of 1 min and 15 min. None of the examined wipes were active against Enterococcus hirae or Staphylococcus aureus. Conclusion: Bactericidal parameters of ready-to-use disinfectant wipes should be determined in surface tests, in addition to suspension tests, because suspension tests do not simulate the conditions under which disinfectant wipes are used in practice. View Full-Text
Keywords: disinfection; EN 16615; ready-to-use alcohol-based wipes; contact time; bactericidal activity disinfection; EN 16615; ready-to-use alcohol-based wipes; contact time; bactericidal activity
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MDPI and ACS Style

Tarka, P.; Chojecka, A.; Paduch, O.; Nitsch-Osuch, A.; Kanecki, K.; Kierzkowska, A. Bactericidal Activity of Ready-To-Use Alcohol-Based Commercial Wipes According to EN 16615 Carrier Standard. Int. J. Environ. Res. Public Health 2019, 16, 3475. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16183475

AMA Style

Tarka P, Chojecka A, Paduch O, Nitsch-Osuch A, Kanecki K, Kierzkowska A. Bactericidal Activity of Ready-To-Use Alcohol-Based Commercial Wipes According to EN 16615 Carrier Standard. International Journal of Environmental Research and Public Health. 2019; 16(18):3475. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16183475

Chicago/Turabian Style

Tarka, Patryk, Agnieszka Chojecka, Olga Paduch, Aneta Nitsch-Osuch, Krzysztof Kanecki, and Anna Kierzkowska. 2019. "Bactericidal Activity of Ready-To-Use Alcohol-Based Commercial Wipes According to EN 16615 Carrier Standard" International Journal of Environmental Research and Public Health 16, no. 18: 3475. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph16183475

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