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Producción volcánica de polifosfatos y su relevancia para la evolución prebiótica
Y Yamagata1, H Watanabe, M Saitoh
1Department of Physics, Kanazawa University, Japan.
Nature
|August 8, 1991
Resumen
La actividad volcánica en la Tierra primitiva probablemente produjo polifosfatos esenciales solubles en agua. Esta investigación identifica la hidrólisis volcánica de P4O10 como la fuente principal de estos compuestos prebióticos cruciales.
Área de la Ciencia:
- Astrobiología Astrobiología.
- La geoquímica es la geoquímica.
- Química prebiótica Química prebiótica es la química de los prebióticos.
Sus antecedentes:
- Los fosfatos son vitales para la evolución prebiótica.
- El origen de los polifosfatos hidrosolubles en la Tierra primitiva sigue siendo un misterio, ya que la mayoría del fósforo existía como apatita insoluble.
Objetivo del estudio:
- Investigar el origen de los polifosfatos hidrosolubles necesarios para la evolución prebiótica.
- Identificar un mecanismo viable para producir estos compuestos en la Tierra primitiva.
Principales métodos:
- Experimentos simulados de las condiciones magmáticas.
- Análisis de condensados volátiles en el gas volcánico.
Principales resultados:
- La actividad volcánica puede generar polifosfatos solubles en agua.
- La hidrólisis parcial de P4O10 por actividad volcánica es una vía de producción clave.
Conclusiones:
- La actividad volcánica se identifica como la fuente más plausible de polifosfatos prebióticos.
- Este mecanismo resuelve el misterio de los orígenes del fosfato hidrosoluble en la Tierra primitiva.
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