Don A. Harris, an accomplished inventor based in Columbia, MD, has made significant contributions to the field of chemical concentration technology. With a total of seven patents to his name, his work primarily focuses on enhancing the efficiency and effectiveness of chemical sampling and analysis.

Latest Patents

Harris's latest innovations include two notable patents:

1. **Multi-element, Ultra-low SWaP Chemical Pre-concentrator** - This system and method utilize Harris's proprietary open cell foamed adsorbent material. The design allows for high volume sampling, achieving low detection limits (ppt) while operating with high-volume, low-pressure air sources such as fans or blowers instead of traditional pumps. This device significantly simplifies the analytical process by delivering samples directly to an analyzer, eliminating the need for a cryogenic trapping step. In particular, a rotary style concentrator comprises four individual foam elements, each capable of being heated to desorb specific analytes.

2. **Carbide-derived Carbon for Solid-phase Micro Extraction Media** - In this innovation, Harris explores the use of a carbide-derived carbon (CDC) fiber for solid-phase micro extraction. By optically pumping the CDC fiber rather than relying solely on thermal desorption, the system's performance is markedly enhanced. This technology offers a versatile sorbent that maintains its efficacy even under high humidity conditions. Furthermore, methods of staging or pulsed optical pumping can drive off solvents before desorbing remaining analytes, resulting in cleaner desorption and preventing instrumentation overload.

Career Highlights

Don A. Harris works at BAE Systems Information and Electronic Systems Integration Inc., where he continues to develop cutting-edge technologies. His proven track record of innovation and strong understanding of chemical processes is evident through his multiple patents and the impact they have on the industry.

Collaborations

Throughout his career, Harris has collaborated with notable coworkers such as Pierre-Alain S. Auroux and Louise C. Sengupta. These partnerships have likely fostered an environment of shared knowledge and enhanced creativity, contributing to the success of their innovations.

Conclusion

Don A. Harris's extensive body of work exemplifies his commitment to advancing chemical concentration technologies. His innovative patents demonstrate the practical applications of his research, positioning him as a notable inventor in this vital field. As industry demands for efficient sampling methods grow, Harris's contributions will undoubtedly continue to play a key role in shaping the future of chemical analysis.

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