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The goal of this project is enabling the real-time polymerase chain reaction (real-time PCR) technology in space. In space, the real-time PCR technology can be used for multiple applications, including detection of infectious pathogens and environmental contaminations, monitoring of drug-resistant microbial and dangerous mutations, and identification of new phenotypes of microbial and new species. The system will also allow scientists to study in orbit the effects of spaceflight factors in living organisms at the molecular level. A real-time PCR offers supreme rapidity, sensitivity and reproducibility over other technologies. However, a technological blockade for in-orbit analysis is the lack of devices for sample preparation in the microgravity environment. The first step of this project is to develop a self-enclosed and automated device for isolation and preparation of biological samples to be analyzed with advanced molecular diagnostic techniques, such as real-time polymerase chain reaction (PCR), in space. Our DNA/RNA isolation and preparation device is a fluidic system with components including syringes and pistons, membranes of different capacities, reagents, valves, and a small pump. In Year 1 of the project, we constructed several self-enclosed prototypes for sample preparation, and demonstrated that the quality of the DNA/RNA samples isolated using our device is similar following the standard laboratory procedures. Year 2 of the project is devoted to the development of an automated system that can process multiple samples simultaneously. The project will be completed in Year 3 with the development of the software that controls the movement of the syringe plungers in a programmed manner for processing different biological samples.
For NASA, our device can be used on ISS for biomedical research such as investigations of changes of genome in space. The device is of interest to companies such as Qiagen and Bio-Rad. Since the quality of the samples prepared using our device is comparable to the standard terrestrial laboratory procedures, our device has the potential to be used by university laboratories. Being self-enclosed, our device would be particularly appealing to the laboratories handling hazardous biological samples. The developed system can be used by the Department of Defense and the Department of Homeland Security to identify micro-organisms in a bio-weapon or bio-terrorist attack. Our device also makes it practical to bring a functional modern biology laboratory to remote locations, and allows identification of biological specimens in isolated settings possible.
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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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