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The Role of Aqueous Aerosols in the 'Glyoxylate Scenario': An Experimental Approach

机译:水性气溶胶在“乙醛酸场景”中的作用:一种实验方法

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摘要

The origin of life is one of the fundamental questions in science. Eschenmoser proposed the "glyoxylate scenario", in which plausible abiotic synthesis pathways were suggested to be compatible with the constraints of prebiotic chemistry. In this proposal, the stem compound is HCN. In this work, we explore the "glyoxylate scenario" through several syntheses of HCN polymers, paying particular attention to the role of the aqueous aerosols, together with statistical methods, as a step to elucidate the synthetic problem of the origin of life. The soluble and insoluble HCN polymers synthetized were analyzed by GC-MS. We identified, for the first time, glyoxylic acid in these polymers, together with some constituents of the reductive tricarboxylic acid cycle, amino acids and several N-heterocycles. The findings presented herein, as the first global approach to the "glyoxylate scenario", give full effect to this hypothesis and prove that aqueous aerosols could play an important role in this plausible scene of the origin of life.
机译:生命的起源是科学中的基本问题之一。 Eschenmoser提出了“乙醛酸盐方案”,其中提出了合理的非生物合成途径与益生元化学的限制条件兼容。在此建议中,干化合物为HCN。在这项工作中,我们通过几种HCN聚合物的合成来探索“乙醛酸情景”,并特别注意了水性气溶胶的作用以及统计方法,以此作为阐明生命起源的合成问题的步骤。通过GC-MS分析合成的可溶和不可溶HCN聚合物。我们首次确定了这些聚合物中的乙醛酸,以及还原性三羧酸循环的某些成分,氨基酸和几个N杂环。作为“乙醛酸情景”的第一个全球性方法,本文提出的发现充分体现了这一假设,并证明了水性气溶胶可以在这种合理的生命起源场景中发挥重要作用。

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