Chemical Evolution: Physics of the Origin and Evolution of Life

pp 97-106

Clays as Natural Catalyst in Prebiotic Processes

  • A. Negron-MendozaAffiliated withInstituto de Ciencias Nucleares, UNAM
  • , G. AlbarranAffiliated withInstituto de Ciencias Nucleares, UNAM
  • , S. Ramos-BernalAffiliated withInstituto de Ciencias Nucleares, UNAM

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The role of clay minerals in prebiotic chemistry is discussed in some of the more relevant questions about its importance. So far, data published about laboratory experiments show that clays can act as adsorbers, concentrator and catalyst for polymerization. However, there are still inconclusiveness due to: the amount of adsorbed material, type of clay used, he pH of the bulk solution, etc. All these factors affect the extent in which these capacities occurred at conditions that can be relevant to geological scenarios. Finally, some light in the role of clays can be brought by further experiments dealing with energy transfer process.