Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions
Researchers have suggested that the condensation of low-molecular-weight aldehydes under basic conditions (e.g., pH > 11) is the prebiotic reaction responsible for the abiotic formation of carbohydrates. It has also been suggested that surface hydrothermal systems were ubiquitous during the early...
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ftmdpi:oai:mdpi.com:/2075-1729/12/11/1818/ 2023-08-20T04:07:27+02:00 Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions Claudio Alejandro Fuentes-Carreón Jorge Armando Cruz-Castañeda Eva Mateo-Martí Alicia Negrón-Mendoza agris 2022-11-08 application/pdf https://doi.org/10.3390/life12111818 EN eng Multidisciplinary Digital Publishing Institute Origin of Life https://dx.doi.org/10.3390/life12111818 https://creativecommons.org/licenses/by/4.0/ Life; Volume 12; Issue 11; Pages: 1818 chemical evolution sugar-like compound synthesis hydrothermal systems Text 2022 ftmdpi https://doi.org/10.3390/life12111818 2023-08-01T07:14:12Z Researchers have suggested that the condensation of low-molecular-weight aldehydes under basic conditions (e.g., pH > 11) is the prebiotic reaction responsible for the abiotic formation of carbohydrates. It has also been suggested that surface hydrothermal systems were ubiquitous during the early Archean period. Therefore, the catalysis of prebiotic carbohydrate synthesis by metallic oxide minerals under acidic conditions in these environments seems considerably more probable than the more widely hypothesized reaction routes. This study investigates the stability of DL-glyceraldehyde and its reaction products under the simulated conditions of an Archean surface hydrothermal system. The Hveradalur geothermal area in Iceland was selected as an analog of such a system. HPLC-ESIMS, UV–Vis spectroscopy, Raman spectroscopy and XPS spectroscopy were used to analyze the reaction products. In hot (323 K) and acidic (pH 2) solutions under the presence of suspended iron(III) oxide hydroxide powder, DL-glyceraldehyde readily decomposes into low-molecular-weight compounds and transforms into sugar-like molecules via condensation reactions. Text Iceland MDPI Open Access Publishing Life 12 11 1818 |
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MDPI Open Access Publishing |
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English |
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chemical evolution sugar-like compound synthesis hydrothermal systems |
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chemical evolution sugar-like compound synthesis hydrothermal systems Claudio Alejandro Fuentes-Carreón Jorge Armando Cruz-Castañeda Eva Mateo-Martí Alicia Negrón-Mendoza Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions |
topic_facet |
chemical evolution sugar-like compound synthesis hydrothermal systems |
description |
Researchers have suggested that the condensation of low-molecular-weight aldehydes under basic conditions (e.g., pH > 11) is the prebiotic reaction responsible for the abiotic formation of carbohydrates. It has also been suggested that surface hydrothermal systems were ubiquitous during the early Archean period. Therefore, the catalysis of prebiotic carbohydrate synthesis by metallic oxide minerals under acidic conditions in these environments seems considerably more probable than the more widely hypothesized reaction routes. This study investigates the stability of DL-glyceraldehyde and its reaction products under the simulated conditions of an Archean surface hydrothermal system. The Hveradalur geothermal area in Iceland was selected as an analog of such a system. HPLC-ESIMS, UV–Vis spectroscopy, Raman spectroscopy and XPS spectroscopy were used to analyze the reaction products. In hot (323 K) and acidic (pH 2) solutions under the presence of suspended iron(III) oxide hydroxide powder, DL-glyceraldehyde readily decomposes into low-molecular-weight compounds and transforms into sugar-like molecules via condensation reactions. |
format |
Text |
author |
Claudio Alejandro Fuentes-Carreón Jorge Armando Cruz-Castañeda Eva Mateo-Martí Alicia Negrón-Mendoza |
author_facet |
Claudio Alejandro Fuentes-Carreón Jorge Armando Cruz-Castañeda Eva Mateo-Martí Alicia Negrón-Mendoza |
author_sort |
Claudio Alejandro Fuentes-Carreón |
title |
Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions |
title_short |
Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions |
title_full |
Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions |
title_fullStr |
Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions |
title_full_unstemmed |
Stability of DL-Glyceraldehyde under Simulated Hydrothermal Conditions: Synthesis of Sugar-like Compounds in an Iron(III)-Oxide-Hydroxide-Rich Environment under Acidic Conditions |
title_sort |
stability of dl-glyceraldehyde under simulated hydrothermal conditions: synthesis of sugar-like compounds in an iron(iii)-oxide-hydroxide-rich environment under acidic conditions |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2022 |
url |
https://doi.org/10.3390/life12111818 |
op_coverage |
agris |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
Life; Volume 12; Issue 11; Pages: 1818 |
op_relation |
Origin of Life https://dx.doi.org/10.3390/life12111818 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/life12111818 |
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Life |
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12 |
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11 |
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1818 |
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1774719109457510400 |