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Volume 40, Issue 2
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Palash K. Sarker, Jun-ichi Takahashi, Yumiko Obayashi, Takeo Kaneko, K ...2012 Volume 40 Issue 2 Pages 4-8
Published: 2012
Released on J-STAGE: December 29, 2021
JOURNAL FREE ACCESSWe present laboratory studies examining the photolysis products of isovaline (Ival) and its precursor molecule, 5-ethyl-5-methylhydantoin (EM-Hyd) against continuous ultraviolet (UV), monochromatic UV, and γ-ray photons. The irradiation experiments were performed with Ival and EM-Hyd in aqueous state. In both UV and γ-ray irradiation experiments, Ival produced serine and alanine as common photolysis products. On the other hand, hydantoin and 5-methylhydantoin were detected as photolysis products of irradiated EM-Hyd. This experimental result may point out the potential importance of the prebiotic photochemistry of Ival and EM-Hyd in Solar System materials.
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