Effect of ozone gas on cultures of Candida albicans and Aspergillus fumigatus: evaluation of two ozonation devices

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Mato Grosso do Sul (UFMS)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade de Lisboa-
Autor(es): dc.contributorFaculdade de Medicina de São José do Rio Preto-
Autor(es): dc.creatorCaetano, Maicon Henrique-
Autor(es): dc.creatorFerreira, Adriano Menis-
Autor(es): dc.creatorde Andrade, Denise-
Autor(es): dc.creatorLopes de Sousa, Álvaro Francisco-
Autor(es): dc.creatorCarneiro, Liliane Moretti-
Autor(es): dc.creatorBarbosa, Alessandra Lyrio-
Autor(es): dc.creatorFélix de Carvalho, Herica Emilia-
Autor(es): dc.creatorRigotti, Marcelo Alessandro-
Autor(es): dc.creatorGottardo de Almeida, Margarete Teresa-
Data de aceite: dc.date.accessioned2025-08-21T23:38:04Z-
Data de disponibilização: dc.date.available2025-08-21T23:38:04Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-03-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3855/jidc.15344-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/302217-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/302217-
Descrição: dc.descriptionIntroduction: Candida albicans and Aspergillus fumigatus are two important agents of Healthcare-associated infections. This study aimed to evaluate the antifungal activity of ozone (O3) gas produced by two commercial devices against cultures of these two species. Methodology: Sterile plastic plates were inoculated with C. albicans and A. fumigatus and placed on a countertop at three distances (30 cm, 1 m, and 2 m) and three positions in relation to the wall (near, middle, and away), considering the source of O3. Plates were exposed to O3 for one hour and incubated. After incubation, the counting of colony-forming units was performed. As a control, an inoculated plate was incubated, without being exposed to O3. Tests were carried out with two different devices (namely, Mod.I and Mod.II), with the air conditioner on and off, in triplicate. Results: Both devices showed antifungal activity. Mod. I presented better results, due to a higher flow rate. The best activity was on plates at 30 cm, middle position. Contrarily, on plates at 2m, near the wall, the inhibition activity was lower. The best results were obtained with the air conditioner off. Candida albicans was more sensitive to O3 than A. fumigatus. Conclusions: This method of decontamination by O3 gas shows potential due to its fast and easy execution. The establishment of new protocols for hygiene and hospital disinfection using this approach should be considered, which may reduce environmental contamination by fungi and, consequently, the burden of fungal infections.-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP) Instituto de Biociências Letras e Ciências Exatas (Ibilce) Campus São José do Rio Preto-
Descrição: dc.descriptionUniversidade Federal de Mato Grosso do Sul, Mato Grosso do Sul-
Descrição: dc.descriptionHuman Exposome and Infectious Diseases Network (HEID) Universidade de São Paulo Escola de Enfermagem de Ribeirão Preto, Ribeirão Preto-
Descrição: dc.descriptionGlobal Health and Tropical Medicine Instituto de Higiene e Medicina Tropical Universidade de Lisboa-
Descrição: dc.descriptionFaculdade de Medicina de São José do Rio Preto, São José do Rio Preto-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP) Instituto de Biociências Letras e Ciências Exatas (Ibilce) Campus São José do Rio Preto-
Formato: dc.format473-479-
Idioma: dc.languageen-
Relação: dc.relationJournal of Infection in Developing Countries-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAspergillus fumigatus-
Palavras-chave: dc.subjectCandida albicans-
Palavras-chave: dc.subjectdisinfection-
Palavras-chave: dc.subjectozonation-
Palavras-chave: dc.subjectOzone-
Título: dc.titleEffect of ozone gas on cultures of Candida albicans and Aspergillus fumigatus: evaluation of two ozonation devices-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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