title: [The stability of biological indicators used for monitoring ethylene oxide gas sterilization].
abstract: It was found the correlation between the storage time of biological indicators and their usefulness for monitoring of gas sterilization with ethylene oxide (EO). Bacillus subtilis var niger ATTC 9372 was used as a test organism. Two kinds of investigations were done: observation of bacterial growing or lack of growing after 1 hour exposition of storage tests in EO (EO concentration- 750 mg/l, temperature +/- 50 degrees C, (humidity-40%) and examination of drop in number of spores on strip tests after storage time. The results show that sterilization efficacy may be monitored using such spore strip tests up to six months of storage.
authors.affiliation: Zakład Zwalczania Skazeń Biologicznych Państwowego Zakładu Higieny w Warszawie.
authors.forename: B
authors.initials: B
authors.lastname: Jakimiak
authors.forename: A
authors.initials: A
authors.lastname: Bielicka
mesh_terms: D001412:Bacillus subtilis / Q000187:drug effects / Q000502:physiology; D005027:Ethylene Oxide; D007202:Indicators and Reagents / Q000592:standards*; D013171:Spores, Bacterial / Q000166:cytology / Q000187:drug effects; D013242:Sterilization / Q000379:methods* / Q000592:standards; D013997:Time Factors
chemical_list: D007202:Indicators and Reagents; D005027:Ethylene Oxide
vernacular_title: Określenie wpływu okresu przechowywania biologicznych wskaźników kontrolnych na ich przydatność do monitorowania procesów sterylizacji gazowej tlenkiem etylenu.