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http://hdl.handle.net/10261/215661
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Getenet, Melese | - |
dc.contributor.author | García-Ruiz, Juan Manuel | - |
dc.contributor.author | Verdugo Escamilla, Cristóbal | - |
dc.contributor.author | Guerra-Tschuschke, Isabel | - |
dc.date.accessioned | 2020-06-30T16:34:13Z | - |
dc.date.available | 2020-06-30T16:34:13Z | - |
dc.date.issued | 2020-06-01 | - |
dc.identifier.citation | Crystals 10(6): 467 (2020) | - |
dc.identifier.issn | 2073-4352 | - |
dc.identifier.uri | http://hdl.handle.net/10261/215661 | - |
dc.description | © 2020 by the authors. | - |
dc.description.abstract | Mineral vesicles and chemical gardens are self-organized biomimetic structures that form via abiotic mineral precipitation. These membranous structures are known to catalyze prebiotic reactions but the extreme conditions required for their synthesis has cast doubts on their formation in nature. Apart from model solutions, these structures have been shown to form in serpentinization-driven natural silica-rich water and by fluid-rock interaction of model alkaline solutions with granites. Here, for the first time, we demonstrate that self-assembled hollow mineral vesicles and gardens can be synthesized in natural carbonate-rich soda lake water. We have synthesized these structures by a) pouring saturated metal salt solutions, and b) by immersing metal salt pellets in brines collected from Lake Magadi (Kenya). The resulting structures are analyzed by using SEM coupled with EDX analysis, Raman spectroscopy, and powder X-ray diffraction. Our results suggest that mineral self-assembly could have been a common phenomenon in soda oceans of early Earth and Earth-like planets and moons. The composition of the obtained vesicles and gardens confirms the recent observation that carbonate minerals in soda lakes sequestrate Ca, thus leaving phosphate behind in solution available for biochemical reactions. Our results strengthens the proposal that alkaline brines could be ideal sites for “one-pot” synthesis of prebiotic organic compounds and the origin of life. | - |
dc.description.sponsorship | The authors thank the European Research Council under the European Union’s seventh Framework Program (FP7/2007-2013)/ERC grant agreement no. 340863 and the Spanish “Ministerio de Educacion y Ciencia” for the financial support to the project CGL2016-78971-P. MG. acknowledges Grant No. BES-2017-081105 of the “Ministerio de Ciencia, Innovacion y Universidades” of the Spanish government | - |
dc.language.iso | eng | - |
dc.publisher | Multidisciplinary Digital Publishing Institute | - |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/340863 | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2016-78971-P | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.subject | Lake Magadi | - |
dc.subject | Soda lake | - |
dc.subject | Mineral self-organization | - |
dc.subject | Mineral vesicles | - |
dc.subject | Calcite | - |
dc.subject | Witherite | - |
dc.subject | Rhodochrosite | - |
dc.subject | Chemical gardens | - |
dc.subject | Early Earth | - |
dc.subject | Prebiotic chemistry | - |
dc.subject | Origin of life | - |
dc.title | Mineral Vesicles and Chemical Gardens from Carbonate-Rich Alkaline Brines of Lake Magadi, Kenya | - |
dc.type | artículo | - |
dc.identifier.doi | 10.3390/cryst10060467 | - |
dc.description.peerreviewed | Peer reviewed | - |
dc.relation.publisherversion | https://doi.org/10.3390/cryst10060467 | - |
dc.identifier.e-issn | 2073-4352 | - |
dc.date.updated | 2020-06-30T16:34:13Z | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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Mineral_Getenet_Art2020.pdf | 21,73 MB | Adobe PDF | Visualizar/Abrir |
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