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- Title
Decontamination of materials contaminated with Francisella philomiragia or MS2 bacteriophage using PES-Solid, a solid source of peracetic acid.
- Authors
Buhr, T.L.; Young, A.A.; Johnson, C.A.; Minter, Z.A.; Wells, C.M.
- Abstract
Aim The aim of the study was to develop test methods and evaluate survival of Francisella philomiragia cells and MS2 bacteriophage after exposure to PES-Solid (a solid source of peracetic acid) formulations with or without surfactants. Methods and Results Francisella philomiragia cells (≥7·6 log10 CFU) or MS2 bacteriophage (≥6·8 log10 PFU) were deposited on seven different test materials and treated with three different PES-Solid formulations, three different preneutralized samples and filter controls at room temperature for 15 min. There were 0-1·3 log10 CFU (<20 cells) of cell survival, or 0-1·7 log10 (<51 PFU) of bacteriophage survival in all 21 test combinations (organism, formulation and substrate) containing reactive PES-Solid. In addition, the microemulsion ( Dahlgren Surfactant System) showed ≤2 log10 (100 cells) of viable F. philomiragia cells, indicating the microemulsion achieved <2 log10 CFU on its own. Conclusions Three PES-Solid formulations and one microemulsion system ( DSS) inactivated F. philomiragia cells and/or MS2 bacteriophage that were deposited on seven different materials. Significance and Impact of the Study A test method was developed to show that reactive PES-Solid formulations and a microemulsion system ( DSS) inactivated >6 log10 CFU/ PFU F. philomiragia cells and/or MS2 bacteriophage on different materials.
- Subjects
FRANCISELLA; BACTERIOPHAGES; PERACETIC acid; SURFACE active agents; MICROEMULSIONS
- Publication
Journal of Applied Microbiology, 2014, Vol 117, Issue 2, p397
- ISSN
1364-5072
- Publication type
Article
- DOI
10.1111/jam.12540