Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 10, Issue 6, Pages 2722-2732Publisher
MDPI
DOI: 10.3390/ijms10062722
Keywords
supercritical carbon oxide; amino acid; prebiotic chemistry; soda fountain; Mars
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Mars is a CO2-abundant planet, whereas early Earth is thought to be also CO2-abundant. In addition, water was also discovered on Mars in 2008. From the facts and theory, we assumed that soda fountains were present on both planets, and this affected amino acid synthesis. Here, using a supercritical CO2/liquid H2O (10: 1) system which mimicked crust soda fountains, we demonstrate production of amino acids from hydroxylamine (nitrogen source) and keto acids (oxylic acid sources). In this research, several amino acids were detected with an amino acid analyzer. Moreover, alanine polymers were detected with LC-MS. Our research lights up a new pathway in the study of life's origin.
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