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A dual perspective on the microwave-assisted synthesis of HCN polymers towards the chemical evolution and design of functional materials

Identificadores del recurso

Scientific Reports 10, 22350

https://www.nature.com/articles/s41598-020-79112-5

http://hdl.handle.net/20.500.12666/478

10.1038/s41598-020-79112-5

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Títol:: A dual perspective on the microwave-assisted synthesis of HCN polymers towards the chemical evolution and design of functional materials
Tema:: Prebiotic Chemistry; Cyanide; Origin of life; Polymerization; Hydrolysis
Descripció:: In this paper, the first study on NH4CN polymerization induced by microwave radiation is described, where a singular kinetic behaviour, especially when this reaction is conducted in the absence of air, is found. As a result, a complex conjugated N-heterocyclic polymer system is obtained, whose properties are very different, and even improved according to morphological features, characterized by their X-ray diffraction patterns and scanning electron microscopy analysis, with respect to those produced under conventional thermal treatment. In addition, a wide variety of relevant bioorganics have been identified, such as amino acids, nucleobases, co-factors, etc., from the synthetized NH4CN polymers. These particular families of polymers are of high interest in the fields of astrobiology and prebiotic chemistry and, more recently, in the development of smart multifunctional materials. From an astrobiological perspective, microwave-driven syntheses may simulate hydrothermal environments, which are considered ideal niches for increasing organic molecular complexity, and eventually as scenarios for an origin of life. From an industrial point of view and for potential applications, a microwave irradiation process leads to a notable decrease in the reaction times, and tune the properties of these new series macromolecular systems. The characteristics found for these materials encourage the development of further systematic research on this alternative HCN polymerization.; The authors used the research facilities of the Centro de Astrobiología (CAB) and were supported by the Instituto Nacional de Técnica Aeroespacial “Esteban Terradas” (INTA), by projects ESP2017-89053-C2-2-P, PID2019-104205GB-C21 and PID2019-107442RB-C32 from the Spanish Ministerio de Ciencia, Innovación y Universidades and by the Spanish State Research Agency (AEI) project MDM-2017-0737 Centro de Astrobiología (CSIC-INTA), Unidad de Excelencia María de Maeztu. Additionally, the authors are grateful to Mª Teresa Fernández from CAB for performing the FT-IR spectra and Pedro Rayo for her assistance in the GC-MS analyses.
Idioma:: English
Relació:: info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/ESP2017-89053-C2-2-P/ES/QUIMICA PREBIOTICA: UNA PLATAFORMA EXPERIMENTAL PARA LA EXPLORACION DE HABITABILIDAD EN LUNAS HELADAS DEL SISTEMA SOLAR/; info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-104205GB-C21; info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-107442RB-C32/ES/OPERACION CIENTIFICA Y EXPLOTACION DE DATOS EN RLS (RAMAN LASER SPECTROMETER) DE EXOMARS Y SUPERCAM DE MARS2020/
Autor/Productor:: Hortal, Lucia; Pérez Fernández, Cristina; De la Fuente, J. L.; Valles, Pilar; Mateo Martí, Eva; Ruiz Bermejo, Marta
Editor:: Scientific Reports
Otros colaboradores/productores:: Unidad de Excelencia Científica María de Maeztu Centro de Astrobiología del Instituto Nacional de Técnica Aeroespacial y CSIC, MDM-2017-0737; Agencia Estatal de Investigación (AEI)
Drets:: Attribution-NonCommercial-NoDerivatives 4.0 International; Copyright © 2020, The Author(s); https://creativecommons.org/licenses/by-nc-nd/4.0/; info:eu-repo/semantics/openAccess
Data:: 2022-02-07T13:33:54Z; 2020-12-18
Tipo de recurso:: info:eu-repo/semantics/article; info:eu-repo/semantics/publishedVersion; http://purl.org/coar/resource_type/c_6501
Format:: application/pdf

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