Advanced Nano Step

iss053e037294 (9/22/2017) --- A view of the Advanced Nano Step Cartridge Installation into the Solution Crystallization Observation Facility (SCOF) aboard the International Space Station (ISS). The Effects of Impurities on Perfection of Protein Crystals, Partition Functions, and Growth Mechanisms (Advanced Nano Step) experiment monitors and records how the incorporation of specific impurity molecules affect the development and quality of protein crystals, as they grow in a quartz cell aboard the ISS.