Utilization of Monolithich Solid phases for sample preparation and processing

This proposal addresses the issue of sample preparation technologies which can be utilized in ocean world missions to enhance the sensitivity and selectivity in the analyses of collected samples. On Earth, solid phase matrices are utilized extensively for capture, separation, and selective retention of components in the sample analysis process. Utilization of solid phases for similar processes is not yet possible on other world based missions due to a lack of investigations into the compatibility of these materials with space flight and deployment under other world conditions. This Phase I effort seeks to investigate commercially available solid phase substrates for three sample processing methods that would be directly integrated into existing NASA programs; these methods are solid phase extraction (SPE), desalting, and ion exchange. This effort will evaluate the performance of different substrates and surface coatings through stresses expected to be experienced on space deployment. The goal is to determine which substrates/surfaces might be able to play a role in future sample analysis missions that are planned for exploration of ocean worlds.

Solid phase methods have a number of important roles to play in NASA missions. Solid phase extractions can enhance the sensitivity of compounds found only in very dilute quantities. Desalting methods remove the salt that can interfere with the ionization processes used for mass spectroscopy. Qualification of ion exchange media provides desalting and charged mineral removal from samples. The Phase II effort to qualify chromatographic solid phases will bring great benefits to NASA’s efforts.

These solid phase methods are already utilized extensively for earth based sample preparation before analysis. The materials to be qualified are already commercially available, thus no new non-NASA applications are anticipated.

This is early/mid-stage (TRL 4) — the most realistic path in is NASA SBIR/STTR, which funds small businesses and research institutions to develop technology aligned with NASA's needs (equity-free, phased funding). Check whether a current SBIR/STTR solicitation topic overlaps with this project's technology area, or contact the project directly (above) to ask.

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