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This data has achieved Bronze level on 22 October 2015 which means this data makes a great start at the basics of publishing open data.

Biomining of regolith simulants for biological in situ resource utilization Project

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
9 April 2015
Modified Date
8 July 2015
Publishers
National Aeronautics and Space Administration
Keywords
ames-research-center, completed, project
Identifier
biomining-of-regolith-simulants-for-biological-in-situ-resource-utilization-project
Landing Page
http://techport.nasa.gov/view/10451
Maintainers
Gary Jahns gary.c.jahns@nasa.gov
Language
en-US

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Description

The goal of this proposed research is to advance the development of biological in situ resource utilization for NASA's space exploration programs. We plan to build a foundation to use synthetic biology to engineer microorganisms to extract metals from naturally occurring extraterrestrial regolith. We propose to create a novel growth medium designed to mimic the lunar regolith ice discovered at the south pole of the moon by the LCROSS mission. We will develop a bioleaching column for this simulant to purify metals for consumable production in space. We will characterize known biomining organisms to leach this simulant. Finally we will study the biochemical processes taking place in the leaching of the regolith to be able to improve the metabolism of these organisms in the future. In addition, will produce a database of organisms involved in biomining on Earth and the geologies and substrates that they have been found on. This database can be used as a tool to find undersampled mine sites that may contain novel organisms suitable for biomining in space. We then plan to develop a conceptual bioreactor which is designed to extract metals from regolith in space. We will perform a trade study of the mass, productivity, cost and energy requirements of such a bioreactor. Later phases of the research will involve characterization of the important enzymes involved in biomining in key organisms, adding to the limited existing knowledge of these pathways and leading to creation of a synthetic biological system for efficiently engineering them, which we will use to optimize these organisms for extracting relevant substrates in relevant space-settlement-like conditions. This further research will also include growth on Mars-like simulant regoliths, as well as improvement of the bioreactor model in a series of increasingly durable and realistic prototypes that will undergo both physical and functional testing.

Información General

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This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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