Soviet scientists discuss the exploration of the cosmos- what do microbes report to us. <o chem signaliziruyut mikroby.<
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Recovery of bacteria, bacillus globigii spores from balsa wood and soluble plastic and toxicity of plastics - contamination studies
Engineering breadboard model of microorganism detection device for Mars landing applications
Statistical analysis of data from Wolf Trap life detector experiment
Dry heat inactivation of Bacillus globigii spores encapsulated in Lucite to simulate interplanetary spacecraft conditions
Dry heat resistance of bacilus globigii spores encapsulated in lucite and dried on paper strips for spacecraft contamination experiment
Dry heat resistance measurements of Bacillus subtilis var. Niger in and on various materials
Dry heat resistance of Bacillus spores lyophilized on filter paper, dry heat destruction of spores embedded in epoxy plastic, and rehydration and water effects on spores
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Dry heat inactivation of bacterial spores and influence of spore moisture content on z values as related to spacecraft sanitation
Effects of spore moisture content on resistance to dry heat sterilization
Moisture effects on Bacillus subtilis var. niger spores
Thermal inactivation curves of Bacillus subtilis spores for decontamination of interplanetary space vehicle components
Experimental system to detect acceptable levels of contamination for terminal sterilization process with unmanned landers
Evaluation equipment for terminal sterilization process on unmanned landers and determination of thermal inactivation curve of B. subtilis var. niger spores
Moisture effects on thermal inactivation of microbial spores for spacecraft sterilization
A set of conditions in which 90 C was a more lethal temperature than 125 C for the destruction of Bacillus subtilis var. niger was identified as a function of relative humidity, with maximum effectiveness at 100% R.H. A systematic study of the influence of head-space moisture and temperature on the destruction of B. subtilis var. niger is reported.
Data showing that 90 C was a more effective temperature than 125 C for the destruction of Bacillus subtilis var. niger when the head-space moisture was fixed at 474 micrograms H2O/ml have been confirmed and are summarized. The influence of head-space moisture at 90 C was investigated and it was observed that as the head-space moisture was increased 474 micrograms H2O/ml, there was a corresponding increase in lethality of the system. This moisture level corresponded to 100% relative humidity at 90 C, and additional water in the cans should have had no effect. A profound descrease was observed in the destruction of the organisms when additional water was added. The discontinuity observed in these data is troublesome and must be resolved as the first step in an orderly exploration of low temperature inactivation of B. subtilis var. niger.