[Sensitivity of Pseudomonas sp. strain isolated from distilled water to disinfectants].

The aim of the study was to compare Pseudomonas sp. strain isolated from distilled water and grown on the sterile filtrate from this water with the referent strain of Pseudomonas aeruginosa NCTC 6749 grown under the standard conditions, with the respect to their sensitivity to eight common disinfectants. Partly modified EN 1040 method was applied.

[The action of ultraviolet radiation on microorganisms found in air].

The effect of a device with UV lamp on the microorganisms in the air was investigated. The air was continuously pumped through the device for 24 h. After that time the number of microorganisms was reduced by 0.

[The effect of growth media on recovery of test microorganisms after exposure to saturated steam under pressure].

The aim of this study was to find out which growth media give the best condition for the development of test bacteria after exposure to saturated steam under pressure. The test organisms were strains of Bacillus subtilis NCTC 3610 and Bacillus stearothermophilus NCTC 8923. The test prepared from spore suspension were exposed to saturated steam under pressure 0.

[Factors modulating the sensitivity of bacterial spores to steam under pressure].

The sensitivity of spores B. subtilis and B. stearothermophilus to steam under pressure depended on the growth medium and duration of cultivation.

[Microbiological contamination of disinfectants used in hospitals for the disinfection of medical instruments. Part II: The estimation of sensitivity of isolated strains of bacteria in disinfectants].

The sensitivity, on basic disinfectants, of 30 strains of bacteria isolated from disinfecting fluid used in hospitals were estimated. The sensitivity of isolated strains were compared with that of laboratory test strains.