Results 131 to 140 of about 10,842 (176)

Phosphorus mineral evolution and prebiotic chemistry: From minerals to microbes [PDF]

open access: yesEarth-Science Reviews, 2021
Phosphorus availability is considered a limiting factor in many scenarios for the origin of life. The concentration of P in environments of prebiotic interest will have been governed by the available mineral sources of P on the early Earth.
Helen Williams   +2 more
exaly   +3 more sources

Elementary Reactions and Their Role in Gas-Phase Prebiotic Chemistry [PDF]

open access: yesInternational Journal of Molecular Sciences, 2009
The formation of complex organic molecules in a reactor filled with gaseous mixtures possibly reproducing the primitive terrestrial atmosphere and ocean demonstrated more than 50 years ago that inorganic synthesis of prebiotic molecules is possible ...
Nadia Balucani, Balucani Nadia
exaly   +2 more sources

Prebiotic Systems Chemistry: Complexity Overcoming Clutter [PDF]

open access: yesCheM, 2017
Living organisms are the most complex chemical system known to exist, yet exploit only a small constellation of universally conserved metabolites to support indefinite evolution.
Saidul Islam, Matthew Powner
exaly   +2 more sources

Stochastic Prebiotic Chemistry within Realistic Geological Systems [PDF]

open access: yesChemistrySelect, 2016
This review introduces its readers to a ‘stochastic approach’ to origins of life research, from the viewpoints of both prebiotic chemistry and geology.
Keyron Hickman-Lewis   +2 more
exaly   +3 more sources

Production of Potentially Prebiotic Condensed Phosphates by Phosphorus Redox Chemistry [PDF]

open access: yesAngewandte Chemie - International Edition, 2008
Bringing phosphorus to life: The prebiotic origin of key biomolecules such as RNA and ATP is contingent on a source of condensed phosphates, such as pyrophosphate and triphosphate. Condensed phosphates can be produced at high yields from the oxidation of
Matthew Pasek, Jonathan Lunine
exaly   +2 more sources
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The prebiotic chemistry of nucleotides

Origins of Life, 1984
Diiminosuccinonitrile (DISN), formed by the oxidation of diaminomaleonitrile (DAMN), has been investigated as a potential prebiotic phosphorylating agent. DISN effects the cyclization of 3'-adenosine monophosphate to adenosine 2', 3'-cyclic phosphate in up to 39% yield. The mechanism of this reaction was investigated.
J P, Ferris, H, Yanagawa, W J, Hagan
openaire   +2 more sources

Prebiotic chemistry in clouds

Journal of Molecular Evolution, 1991
In the traditional concept for the origin of life as proposed by Oparin and Haldane in the 1920s, prebiotic reactants became slowly concentrated in the primordial oceans and life evolved slowly from a series of highly protracted chemical reactions during the first billion years of Earth's history.
V R, Oberbeck, J, Marshall, T, Shen
openaire   +2 more sources

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