Effects of ozonated water on Candida albicans oral isolates / Efeitos da água de ozônio no isolamento da Cândida albicans bucal
Braz. j. oral sci
;
4(14): 783-786, july-sept. 2005. graf
Artigo
em Inglês
| LILACS, BBO
| ID: lil-427765
ABSTRACT
Forty-nine C. albicans freshly isolated strains and C. albicans ATCC 18804 were included in the study. Initially, suspensions containing 5 x 108 viable cells/ml were prepared. This suspension was submitted to a concentration of 3.3 mg/ml of ozone for 20s, 40s, 60s, 80s, 100s 120s, 140s, 160s, 180s and 300s. Before the experiment and also after each period of exposition, 0.1 ml of dilutions of the final suspension was plated on Sabouraud dextrose agar and incubated at 37°C for 24-48 h. After this period, the number of colony formingunits was calculated. Data were statistically analyzed by PearsonÆs correlation test. A reduction of the microorganismÆs concentration during the contact time with ozone was observed. Complete inactivation was observed only for standard strain after 5 min. Freshlyisolated C. albicans strains showed higher resistance to ozone. A linear correlation between the logarithm of yeast concentration and period of contact was found in both cases, being the linear correlation coefficients significant in the experiments
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Índice:
LILACS (Américas)
Assunto principal:
Ozônio
/
Candida albicans
Idioma:
Inglês
Revista:
Braz. j. oral sci
Assunto da revista:
Odontologia
Ano de publicação:
2005
Tipo de documento:
Artigo
País de afiliação:
Brasil
Instituição/País de afiliação:
Instituto Tecnológico da Aeronática/BR
/
Taubaté University/BR
/
UNESP/BR
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