Thermal Synthesis of Amino Acids from a Simulated Primitive Atmosphere

Details Thermal Synthesis of Amino Acids from a Simulated Primitive Atmosphere Thermal Synthesis of Amino Acids from a Simulated Primitive Atmosphere

Jun 1973

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1973natur.243..405l&link_type=abstract

Nature, Volume 243, Issue 5407, pp. 405-407 (1973).

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IT has been suggested that thermal energy was readily available for the prebiotic synthesis of organic compounds as evidenced by lava remnants from earlier volcanic activity and by the present widespread occurrence of regions of elevated temperatures on the Earth1,2. In previous chemical evolution thermal experiments, the predominant amino acids reported were those commonly found in present-day protein1,3,4. It was implied from these results that thermal energy may have played an important part in the prebiotic synthesis of protein amino acids. It would certainly be significant if thermal energy could produce only these amino acids and not the unusual amino acids of the type identified in simulated primitive atmosphere discharge experiments5,6 and in meteorite extracts7,8, a presumed extraterrestrial abiotic synthesis. Also, previous studies have relied on the identification of amino acids by ion exchange chromatography1,4 (amino acid analyser) and electrophoresis3, which is not sufficient for the unequivocal identification of an amino acid, particularly when materials other than the common amino acids may be present5,9. For these reasons we have applied the recently developed techniques of gas chromatography (GC) and gas chromatography combined with mass spectrometry (GC-MS) for identification of the compounds produced by thermal synthesis.

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