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Respuesta al comentario sobre "Ribosa y azúcares relacionados con la irradiación ultravioleta de análogos de hielo

Cornelia Meinert¹, Iuliia Myrgorodska^2,3, Pierre de Marcellus⁴

¹Université Côte d'Azur, Institut de Chimie de Nice, UMR 7272 CNRS, 28 Avenue Valrose, 06108 Nice, France. cornelia.meinert@unice.fr uwe.meierhenrich@unice.fr.

Science (New York, N.Y.)

|January 14, 2017

Resumen

Los investigadores detectaron azúcares en hielos interestelares simulados, desafiando una hipótesis de que estos compuestos se forman durante el análisis de muestras. Este hallazgo apoya las vías de formación de azúcar extraterrestre en el espacio.

Área de la Ciencia:

Astroquímica
Química orgánica

Sus antecedentes:

Los hielos interestelares son entornos cruciales para la formación de moléculas prebióticas.
La presencia de azúcares en muestras extraterrestres es clave para entender los orígenes de la vida.

Objetivo del estudio:

Investigar la presencia de ribosa y azúcares relacionados en hielos interestelares simulados.
Abordar y refutar una hipótesis que sugiere la formación de azúcar durante el análisis de muestras.

Principales métodos:

Se utilizó la cromatografía de gas multidimensional para analizar los residuos orgánicos.
Condiciones de hielo interestelar simuladas en un entorno de laboratorio.

Principales resultados:

Se ha detectado con éxito la ribosa y los azúcares relacionados en los residuos de hielo analizados.
Se han presentado pruebas que refutan la afirmación de que los azúcares se forman artificialmente durante el procesamiento de muestras.
Se demostró que los azúcares detectados son autóctonos del hielo interestelar simulado.

Conclusiones:

Los hallazgos apoyan la formación in situ de azúcares dentro de los entornos de hielo interestelar.
El estudio proporciona pruebas sólidas contra la contaminación o la formación de artefactos durante el análisis.
Este trabajo refuerza el argumento de los orígenes extraterrestres de las moléculas biológicamente relevantes.

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