To maximize scientific output aboard the International Space Station (ISS), researchers are increasingly relying on automated hardware to conduct experiments that would otherwise require significant astronaut time. The ADvanced Space Experiment Processors (ADSEPs), developed by Redwire, serve as versatile, automated facilities that allow multiple studies to run simultaneously through the use of modular cassettes.
Since their introduction in 2017, these systems have supported two dozen investigations. The latest iteration, ADSEP-4, includes advanced imagery capabilities and can house up to four cassettes. A primary focus for these units is the growth of high-quality seed crystals in microgravity, which aids in the development and reformulation of pharmaceuticals. Through the Pharmaceutical In-Space Laboratory (PIL-BOX) system, researchers have conducted cancer-focused studies, such as the ADSEP-PIL-10 project with Aspera Biomedicines, which aims to develop oral cancer medications by crystallizing specific molecules.
Beyond pharmaceutical research, the technology supports a broad spectrum of scientific disciplines, including materials science and biological studies. For instance, the 2021 ADSEP-UMAMI investigation examined how bobtail squid interact with microbes in space. The study revealed that symbiotic relationships can help mitigate stress responses and support developmental processes, offering valuable data for understanding health in closed ecosystems like spacecraft.
As these automated systems continue to evolve—including recent tests of larger cassettes for industrial-scale crystallization—they remain a critical tool for conducting complex research that benefits both future space exploration and medical advancements on Earth.
Source: NASA
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