Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Saúl A. Villafañe-Barajas"'
Autor:
Saúl A. Villafañe-Barajas, Marta Ruiz-Bermejo, Pedro Rayo-Pizarroso, Santos Gálvez-Martínez, Eva Mateo-Martí, María Colín-García
Publikováno v:
Life, Vol 11, Iss 7, p 661 (2021)
Hydrogen cyanide, HCN, is considered a fundamental molecule in chemical evolution. The named HCN polymers have been suggested as precursors of important bioorganics. Some novel researches have focused on the role of mineral surfaces in the hydrolysis
Externí odkaz:
https://doaj.org/article/2dd1f50f8884456db133e569aa1242e3
Publikováno v:
International Journal of Astrobiology. 20:427-434
Since their discovery, submarine hydrothermal vent systems have been pointed out as important places where chemical evolution on Earth could have occurred; and their role in the process has been highlighted. Similarly, some hypotheses have considered
Publikováno v:
International Journal of Astrobiology. 19:369-378
Hydrogen cyanide (HCN) is considered a fundamental molecule in prebiotic chemistry experiments due to the fact that it could have an important role as raw material to form more complex molecules, as well as it could be an intermediate molecule in che
Autor:
Dimas A. M. Zaia, María Colín-García, Saúl A. Villafañe-Barajas, Alicia Negrón-Mendoza, João Paulo T. Baú
Publikováno v:
International Journal of Astrobiology. 19:224-236
In this work, the effect of γ-radiation on the decomposition of adenine dissolved in distilled water, saline solutions and artificial seawater was studied. As the composition of the major cations and anions of artificial seawater probably better res
Autor:
Marta Ruiz-Bermejo, Santos Gálvez-Martínez, Saúl A. Villafañe-Barajas, Pedro Rayo-Pizarroso, María Colín-García, Eva Mateo-Martí
Publikováno v:
DIGITAL.INTA Repositorio Digital del Instituto Nacional de Técnica Aeroespacial
instname
Life
Volume 11
Issue 7
Life, Vol 11, Iss 661, p 661 (2021)
instname
Life
Volume 11
Issue 7
Life, Vol 11, Iss 661, p 661 (2021)
Hydrogen cyanide, HCN, is considered a fundamental molecule in chemical evolution. The named HCN polymers have been suggested as precursors of important bioorganics. Some novel researches have focused on the role of mineral surfaces in the hydrolysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4067c91ef1302a5ddb6d34deabc3a609
https://www.mdpi.com/2075-1729/11/7/661
https://www.mdpi.com/2075-1729/11/7/661
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
DIGITAL.INTA Repositorio Digital del Instituto Nacional de Técnica Aeroespacial
Universidad de Alicante (UA)
Instituto Nacional de Técnica Aeroespacial (INTA)
Processes, Vol 8, Iss 968, p 968 (2020)
Processes
Volume 8
Issue 8
instname
DIGITAL.INTA Repositorio Digital del Instituto Nacional de Técnica Aeroespacial
Universidad de Alicante (UA)
Instituto Nacional de Técnica Aeroespacial (INTA)
Processes, Vol 8, Iss 968, p 968 (2020)
Processes
Volume 8
Issue 8
Hydrogen cyanide (HCN)-derived polymers have been recognized as sources of relevant organic molecules in prebiotic chemistry and material sciences. However, there are considerable gaps in the knowledge regarding the polymeric nature, the physicochemi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9aee56da960e518822a80edd559f8134
http://hdl.handle.net/10261/233759
http://hdl.handle.net/10261/233759
Autor:
María Colín-García, Antoni Camprubí, Saúl A. Villafañe-Barajas, Alicia Negron-Mendoza, Fernando Ortega-Gutiérrez, Vanessa Colás
Publikováno v:
Handbook of Astrobiology ISBN: 9781315159966
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e904a4d6ae703ca78a228ce359f9593c
https://doi.org/10.1201/b22230-21
https://doi.org/10.1201/b22230-21
Autor:
João Paulo T. Baú, Dimas A. M. Zaia, Daniel Farinha Valezi, Eduardo Di Mauro, María Colín-García, Saúl A. Villafañe-Barajas, Alicia Negrón-Mendoza
Publikováno v:
Heliyon, Vol 5, Iss 5, Pp e01584-(2019)
Heliyon
Heliyon
Solids of adenine obtained from distilled water and seawater lyophilized solutions were γ irradiated at a 94.52 kGy dose. Results indicate that pure solid adenine had a low degradation rate, likewise the solid containing seawater salts. However, EPR
Autor:
D. Frias, Alejandro Heredia, Saúl A. Villafañe-Barajas, Alicia Negrón-Mendoza, J. Cruz-Castañeda, María Colín-García, Sergio Ramos-Bernal
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 304:219-225
In the context of chemical evolution a simulation of a hydrothermal vent was performed. The thermolysis and radiolysis of malonic acid in aqueous solution were studied. The thermolysis was done by heating the samples (95 °C) and radiolysis using gam
Autor:
João Paulo T. Baú, Dimas A. M. Zaia, Saúl A. Villafañe-Barajas, Alicia Negrón-Mendoza, Alejandro Heredia-Barbero, Teresa Pi-Puig, María Colín-García
Publikováno v:
Origins of life and evolution of the biosphere : the journal of the International Society for the Study of the Origin of Life. 48(2)
Any proposed model of Earth’s primitive environments requires a combination of geochemical variables. Many experiments are prepared in aqueous solutions and in the presence of minerals. However, most sorption experiments are performed in distilled