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Amino Acids and ChiralityAmino acids are among the most heavily studied organic compound class in carbonaceous chondrites. The abundance, distributions, enantiomeric compositions, and stable isotopic ratios of amino acids have been determined in carbonaceous chondrites fi'om a range of classes and petrographic types, with interesting correlations observed between these properties and the class and typc of the chondritcs. In particular, isomeric distributions appear to correlate with parent bodies (chondrite class). In addition, certain chiral amino acids are found in enantiomeric excess in some chondrites. The delivery of these enantiomeric excesses to the early Earth may have contributed to the origin of the homochirality that is central to life on Earth today. This talk will explore the amino acids in carbonaceous chondritcs and their relevance to the origin of life.
Document ID
20120009633
Acquisition Source
Goddard Space Flight Center
Document Type
Other
Authors
Cook, Jamie E.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 25, 2013
Publication Date
June 18, 2012
Subject Category
Life Sciences (General)
Report/Patent Number
GSFC.ABS.00345.2012
Meeting Information
Meeting: NASA Astrobiology Intitute (NAI) 2012 Santander Summer School
Location: Santander
Country: Spain
Start Date: June 18, 2012
End Date: June 22, 2012
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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