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Heat flows in rock cracks naturally optimize salt compositions for ribozymes
The correct function of ribozymes in a prebiotic world would be dependent on the presence of optimal salt compositions and concentrations. Now, local heat fluxes have been shown to create an ideal salt habitat for ribozyme activity based on geologically plausible salt-leaching processes.
- T. Matreux
- , K. Le Vay
- & C. B. Mast
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Article |
Water-oxidation catalysis by manganese in a geochemical-like cycle
The development of an effective, cheap and robust water oxidation catalyst is crucial to the development of solar water-splitting technology. A manganese catalyst inspired by the water oxidizing centre of photosystem II is now shown to dissociate and reform into nanoparticles resembling the known natural oxidant mineral birnessite.
- Rosalie K. Hocking
- , Robin Brimblecombe
- & Leone Spiccia