Question 1: The FeS/H2S System as a Possible Primordial Source of Redox Energy

Details Question 1: The FeS/H2S System as a Possible Primordial Source of Redox Energy Question 1: The FeS/H2S System as a Possible Primordial Source of Redox Energy

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007oleb...37..329d&link_type=abstract

Origins of Life and Evolution of Biospheres, Volume 37, Issue 4-5, pp. 329-333

Physics

Iron Sulphide, Pyrite, Chemoautotrophy, Nanoparticle, Reverse Micelles

Scientific paper

The theory of chemoautotrophy, as developed by Wächtershäuser, has been subject to experimental studies, which show a possible carbon fixation pathway of several consecutive steps from simple CO2 to amino acids, using the redox system of iron sulphide and hydrogen sulphide. Main findings were a mimicking of the acetyl-CoA enzyme reaction using the mixed sulphide (Fe,Ni)S and the reduction of dinitrogen to ammonia. Present studies aim at a more detailed investigation of the mechanism of the redox system FeS/H2S and its properties. For these studies a method to produce and immobilise FeS nanoparticles has been developed.

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