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Geoelectrochemistry-driven alteration of amino acids to derivative organics in carbonaceous chondrite parent bodies - Nature Communications
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A long-standing question regarding carbonaceous chondrites (CCs) is how the CCs' organics were sourced and converted before and after the accretion of their parent bodies. Growing evidence shows that amino acid abundances in CCs decrease with an elongated aqueous alteration. However, the underlying chemical processes are unclear. If CCs' parent bodies were water-rock differentiated, pH and redox gradients can drive electrochemical reactions by using H2 as an electron source.
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