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Updated: May 6, 2026

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
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Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts

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聚合物点作为光活性膜囊泡用于[FeFe]-酶自组合和太阳驱动的进化

Mariia V Pavliuk1, Marco Lorenzi2, Dustin R Morado3

  • 1Department of Chemistry─Ångström Laboratory, Physical Chemistry, Uppsala University, 751 20 Uppsala, Sweden.

Journal of the American Chemical Society
|July 21, 2022
PubMed
概括

该研究使用聚合物点 (Pdots) 和HydA1 [FeFe]-酶开发了一个稳定的生物混合系统,通过半人工光合作用来有效地生产太阳能燃料.

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Cofactors and Coenzymes

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Enzymes are proteins made of amino acids. The functional group of each constituent amino acid catalyzes a wide variety of chemical reactions via ionic interactions or acid-base reactions. However, amino acids cannot catalyze oxidation-reduction and group transfer reactions and need to be aided by non-protein components called cofactors. Cofactors are also referred to as the chemical teeth of an enzyme.
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Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...
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The electron transport chain is a critical component of cellular respiration, occurring in the inner mitochondrial membrane. It facilitates the transfer of high-energy electrons from reduced cofactors NADH and FADH₂ to molecular oxygen, the final electron acceptor. This transfer of electrons through a series of protein complexes is tightly coupled to the translocation of protons across the membrane, generating a proton gradient essential for ATP synthesis.Electron Flow and Proton...
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