In November, a quarter of a century of human presence continued aboard the international space station, which served as a springboard to develop an economy of the lower land and the next big jumps of NASA in exploration, including human missions on the moon and March. To launch the countdown of the 25th anniversary of the laboratory in orbit, here are some scientific surveys on the theme of money which have advanced research and spatial exploration.
Silver has been used for centuries to fight against infections, and researchers use its unique properties to alleviate microbial growth aboard the space station. Over time, microbes form biofilms, sticky communities that can develop on surfaces and cause an infection. In space, biofilms can become resistant to traditional cleaning products and can infect water treatment systems, damage equipment and pose a health risk of astronauts. Bacterial adhesion and the study of corrosion studied bacterial genes which contribute to the formation of biofilms and have tested if a money -based disinfectant could limit their growth.
Another experience focused on the production of silver nanoparticles aboard the space station. Silver nanoparticles have a larger surface / volume ratio, allowing silver ions to get in touch with more microbes, making it a more efficient antimicrobial tool to help protect the crew against potential infections during future space missions. He also assessed whether the silver nanoparticles produced in space are more stable and uniform size and shape, characteristics that could further improve their effectiveness.
Silver is a high -conductive precious metal that is very malleable, making it a viable option for smart clothes. NASA astronauts aboard the orbit laboratory tested a portable surveillance vest with silver coated sensors to record heart rate, heart mechanics and respiratory models during their sleep. This smart garment is light and more comfortable, it therefore does not disturb the quality of sleep. The data collected provided a precious overview of improving the sleep of astronauts in space.
In microgravity, there is no top or bottom, and the weightlessness does not allow particles to be resolved, which has an impact on physical and chemical processes. Researchers use this unique microgravity environment to increase larger and more uniform crystals not affected by the force of the gravity of the earth or the physical processes that would separate mixtures by density. The Nanoracks-Cosmos survey used the environment on board the station to grow and assess the 3D structure of silver nitrate crystals. The molecular structure of these higher silver nitrate crystals has nanotechnology applications, such as the creation of silver nanofils for electronics on a nanometric scale.
