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Showing 1–6 of 6 results
Advanced filters: Author: Ulf-Peter Apfel Clear advanced filters

  • There are comparable structural properties between the natural enzyme [FeNi]-hydrogenase and the natural ore, pentlandite. Here the authors, inspired by these similarities, use the mineral as a ‘rock’ electrode, and evaluate its electrocatalytic hydrogen evolution performance.

    • Bharathi Konkena
    • Kai junge Puring
    • Ulf-Peter Apfel
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • [FeFe]-hydrogenases catalyze the conversion of protons and electrons to molecular hydrogen, but upon exposure to oxygen, their catalytic cofactor is irreversibly inactivated. Here, the authors determine the crystal structure of hydrogenase CbA5H and identify a cysteine residue, which acts as a safety cap that shields the active site from oxygen.

    • Martin Winkler
    • Jifu Duan
    • Thomas Happe
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Of the four intermediates in the catalytic cycle of [FeFe]-hydrogenases, the hydride state still has eluded characterization. Here, the authors shift the reaction equilibrium for three hydrogenases and enrich the hydride-bound species, characterizing them using a real-time IR spectroscopic technique.

    • Martin Winkler
    • Moritz Senger
    • Thomas Happe
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • [FeFe]-hydrogenases catalyze H2-evolution and -oxidation at very high turnover-rates. Here the authors provide experimental evidence for the proposed proton-transfer (PT) pathway by kinetically, spectroscopically, and crystallographically characterizing eleven mutants from the two [FeFe]-hydrogenases CpI and HydA1.

    • Jifu Duan
    • Moritz Senger
    • Martin Winkler
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-11

  • Electrochemical conversion of carbon dioxide to ethanol is one of the most challenging energy conversion reactions. Here the authors show selective electroreduction of carbon dioxide to ethanol by using a functionalized cobalt A3-corrole catalyst immobilized on a carbon paper electrode.

    • Sabrina Gonglach
    • Shounik Paul
    • Soumyajit Roy
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-10

  • Despite significant progress in CO2 conversion field, there remains a significant gap between fundamental research and the industrial demands. This Comment discusses key performance parameters for industrial applications and outlines current limitations in the field.

    • Doris Segets
    • Corina Andronescu
    • Ulf-Peter Apfel
    Comments & OpinionOpen Access
    Nature Communications
    Volume: 14, P: 1-5