Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases
ABSTRACT Pseudomonas aeruginosa is associated with ocular infections such as keratitis. Multipurpose contact lens solutions can be used for washing, disinfection and storage of contact lenses, however, P. aeruginosa biofilm disinfection by this method is unsatisfactory. The present study aimed to in...
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ftdoajarticles:oai:doaj.org/article:9195ce942f714498b87b1d80845e566d 2024-09-09T19:25:17+00:00 Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases Josidel Conceição Oliver Paula Anatália Pereira Bredarioli Fabrício Damasceno Leandro Carla Benedini Ribeiro Jorge Ferreira Sandra Maria Oliveira Morais Veiga Amanda Latercia Tranches Dias 2019-04-01T00:00:00Z https://doi.org/10.1590/s1678-9946201961023 https://doaj.org/article/9195ce942f714498b87b1d80845e566d EN eng Universidade de São Paulo (USP) http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652019005000603&lng=en&tlng=en https://doaj.org/toc/1678-9946 1678-9946 doi:10.1590/s1678-9946201961023 https://doaj.org/article/9195ce942f714498b87b1d80845e566d Revista do Instituto de Medicina Tropical de São Paulo, Vol 61, Iss 0 (2019) Ozonized water Chlorhexidine Ultrasound Multipurpose solutions Decontamination Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 article 2019 ftdoajarticles https://doi.org/10.1590/s1678-9946201961023 2024-08-05T17:49:30Z ABSTRACT Pseudomonas aeruginosa is associated with ocular infections such as keratitis. Multipurpose contact lens solutions can be used for washing, disinfection and storage of contact lenses, however, P. aeruginosa biofilm disinfection by this method is unsatisfactory. The present study aimed to investigate the effectiveness of ozonated water in reducing P. aeruginosa colony count. Lenses kept in storage cases were contaminated with P. aeruginosa and disinfected using ozonized water, chlorhexidine, ultrasound and multipurpose solutions. The multipurpose solutions and ultrasound methods reduced colony count from 1.17 to 1.63 log10 CFU/cm2 (92.93% to 97.31%), respectively, of P. aeruginosa biofilm cell viability when compared to the positive control. Both, ozonated water and chlorhexidine showed 7.42 log reduction in the number of viable cells of P. aeruginosa biofilm. As compared to chlorhexidine, ozonized water did not depose any known toxic residues, so that we recommend it as an alternative disinfectant solution for contact lenses storage cases. Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic Revista do Instituto de Medicina Tropical de São Paulo 61 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Ozonized water Chlorhexidine Ultrasound Multipurpose solutions Decontamination Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
spellingShingle |
Ozonized water Chlorhexidine Ultrasound Multipurpose solutions Decontamination Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 Josidel Conceição Oliver Paula Anatália Pereira Bredarioli Fabrício Damasceno Leandro Carla Benedini Ribeiro Jorge Ferreira Sandra Maria Oliveira Morais Veiga Amanda Latercia Tranches Dias Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases |
topic_facet |
Ozonized water Chlorhexidine Ultrasound Multipurpose solutions Decontamination Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
description |
ABSTRACT Pseudomonas aeruginosa is associated with ocular infections such as keratitis. Multipurpose contact lens solutions can be used for washing, disinfection and storage of contact lenses, however, P. aeruginosa biofilm disinfection by this method is unsatisfactory. The present study aimed to investigate the effectiveness of ozonated water in reducing P. aeruginosa colony count. Lenses kept in storage cases were contaminated with P. aeruginosa and disinfected using ozonized water, chlorhexidine, ultrasound and multipurpose solutions. The multipurpose solutions and ultrasound methods reduced colony count from 1.17 to 1.63 log10 CFU/cm2 (92.93% to 97.31%), respectively, of P. aeruginosa biofilm cell viability when compared to the positive control. Both, ozonated water and chlorhexidine showed 7.42 log reduction in the number of viable cells of P. aeruginosa biofilm. As compared to chlorhexidine, ozonized water did not depose any known toxic residues, so that we recommend it as an alternative disinfectant solution for contact lenses storage cases. |
format |
Article in Journal/Newspaper |
author |
Josidel Conceição Oliver Paula Anatália Pereira Bredarioli Fabrício Damasceno Leandro Carla Benedini Ribeiro Jorge Ferreira Sandra Maria Oliveira Morais Veiga Amanda Latercia Tranches Dias |
author_facet |
Josidel Conceição Oliver Paula Anatália Pereira Bredarioli Fabrício Damasceno Leandro Carla Benedini Ribeiro Jorge Ferreira Sandra Maria Oliveira Morais Veiga Amanda Latercia Tranches Dias |
author_sort |
Josidel Conceição Oliver |
title |
Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases |
title_short |
Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases |
title_full |
Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases |
title_fullStr |
Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases |
title_full_unstemmed |
Ozone against Pseudomonas aeruginosa biofilms in contact lenses storage cases |
title_sort |
ozone against pseudomonas aeruginosa biofilms in contact lenses storage cases |
publisher |
Universidade de São Paulo (USP) |
publishDate |
2019 |
url |
https://doi.org/10.1590/s1678-9946201961023 https://doaj.org/article/9195ce942f714498b87b1d80845e566d |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Revista do Instituto de Medicina Tropical de São Paulo, Vol 61, Iss 0 (2019) |
op_relation |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652019005000603&lng=en&tlng=en https://doaj.org/toc/1678-9946 1678-9946 doi:10.1590/s1678-9946201961023 https://doaj.org/article/9195ce942f714498b87b1d80845e566d |
op_doi |
https://doi.org/10.1590/s1678-9946201961023 |
container_title |
Revista do Instituto de Medicina Tropical de São Paulo |
container_volume |
61 |
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