Use of Aquaporins to Achieve Needed Water Purity on the International Space Station for the Extravehicular Mobility Unit Space Suit System | Zendy

Terry R. Hill | Zendy; Brandon Taylor | Zendy

Open Access

Use of Aquaporins to Achieve Needed Water Purity on the International Space Station for the Extravehicular Mobility Unit Space Suit System

Author(s) -

Terry R. Hill,

Brandon Taylor

Publication year - 2012

Publication title -

42nd international conference on environmental systems

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2012-3436

Subject(s) - international space station , space suit , space (punctuation) , unit (ring theory) , aerospace engineering , computer science , space shuttle , engineering , electrical engineering , operating system , mathematics , mathematics education

With the retirement of the U.S. Space Shuttle fleet, the supply of extremely high quality water required for the Extravehicular Mobility Unit (EMU) space suit cooling on the International Space Station (ISS) will become a significant operational hardware challenge in the very near future. One proposed solution is the use of a filtration system consisting of a semipermeable membrane embedded with aquaporin proteins, a special class of transmembrane proteins that facilitate passive, selective transport of water in vivo. The specificity of aquaporins is such that only water is allowed through the protein structure, and it is this novel property that invites their adaptation for use in water filtration systems, specifically those onboard the ISS for the EMU space suit system. These proteins are also currently being developed for use in terrestrial filtration systems.

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