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VRA Flight Experiment Sample Stability Study
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English
Abstract
Design concepts for the International Space Station Water Processor (WP) will be validated as discrete flight experiments on-board the Space Shuttle Spacehab. This paper summarizes the results of a study into sample stability within a modified Teflon cell culture bag assembly to support an upcoming Spacehab evaluation of the WP Volatile Removal Assembly (VRA). Results indicate that a lack of adequate preservation results in significant sample analyte degradation over the course of 2-3 week due to increased microbial activity. Results were utilized for the definition of an optimal preservation approach based on the anticipated VRA Flight Experiment samples.
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Citation
Steele, J., Grabowski, N., Parker, D., and Holder, D., "VRA Flight Experiment Sample Stability Study," SAE Technical Paper 972377, 1997, https://doi.org/10.4271/972377.Also In
References
- Bagdigian, R.M. et. al. “Space Station Regenerative Life Support Risk Mitigation Through Microgravity Flight Experiment Demonstrations” 26 th International Conference on Environmental Systems Monterey, CA 1996 SAE Technical Paper 961513
- Keith, L.H. et. al. “Compilation of EPA's Sampling and Analysis Methods” Method 415.1 Lewis Publishers, Inc. Chelsea, MI 1992
- Grabowski, N. “VRAFE Sample Bag Assembly Study Report” November 1996