High Sensitivity Ethylene Sensor for Plant Health Monitoring, Phase I

The ability to grow food and recycle components of cabin air are critical to the success of long-term space flight missions. In order to assure that plants used for biomass production grow under optimal conditions, sensors are required to monitor the generation of biogenic and other relevant gases. In particular, ethylene gas must be carefully controlled to promote rapid growth of biomass products, yet be limited so as to prevent premature spoilage or degradation of the crops. The goal of this program is to develop a compact ethylene sensor with sufficient sensitivity for biomass monitoring and research that would also meet the unique needs required for space flight operation. The anticipated results of the Phase I and II research would culminate in the delivery of a fully operational, stand-alone, high sensitivity (1 part-per-billion) ethylene sensor. This sensor would have capabilities for monitoring other biogenic gases as well as cabin environmental trace species. Commercial applications would include medical breath analyses, portable hazardous gas sensors, and industrial process control monitors.

This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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