Ambient temperature CO₂ fixation to pyruvate and subsequently to citramalate over iron and nickel nanoparticles.

ABSTRACT: The chemical reactions that formed the building blocks of life at origins required catalysts, whereby the nature of those catalysts influenced the type of products that accumulated. Recent investigations have shown that at 100 °C awaruite, a Ni₃Fe alloy that naturally occurs in serpentinizing systems, is an efficient catalyst for CO₂ conversion to formate, acetate, and pyruvate. These products are identical with the intermediates and products of the acetyl-CoA pathway, the most ancient CO₂ fixation pathway and the backbone of carbon metabolism in H₂-dependent autotrophic microbes. Here, we show that Ni₃Fe nanoparticles prepared via the hard-templating method catalyze the conversion of H₂ and CO₂ to formate, acetat

SUBMITTER: Beyazay T 

PROVIDER: S-EPMC9894855 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature