Long-Wavelength Ultraviolet Photoproduction of Amino Acids on the Primitive Earth

Long-Wavelength Ultraviolet Photoproduction of Amino Acids on the Primitive Earth

Amino acids are produced under possible primitive Earth conditions by irradiation of gas mixtures with long-wavelength ultraviolet light, representing the most abundant useful energy source for prebiological organic synthesis. Hydrogen sulfide is the initial photon acceptor in this work; supertherma...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1971-07, Vol.173 (3995), p.417-420
Hauptverfasser: Sagan, Carl, Khare, Bishun N.
Format: Artikel
Sprache:eng
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Amino acids
Ammonia
Atoms
Gases
Hydrogen
Irradiation
Liquids
Molecules
Photolysis
Photons
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container_issue 3995
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container_title Science (American Association for the Advancement of Science)
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creator Sagan, Carl
Khare, Bishun N.
description Amino acids are produced under possible primitive Earth conditions by irradiation of gas mixtures with long-wavelength ultraviolet light, representing the most abundant useful energy source for prebiological organic synthesis. Hydrogen sulfide is the initial photon acceptor in this work; superthermal atomic hydrogen photodissociation products appear to initiate reactions leading to amino acid synthesis with an overall quantum yield on the order of 5 $\times $ 10$^{-5}$.
doi_str_mv 10.1126/science.173.3995.417
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source American Association for the Advancement of Science; Jstor Complete Legacy
subjects Amino acids
Ammonia
Atoms
Gases
Hydrogen
Irradiation
Liquids
Molecules
Photolysis
Photons
title Long-Wavelength Ultraviolet Photoproduction of Amino Acids on the Primitive Earth
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