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Showing 1–10 of 10 results
Advanced filters: Author: Nicolas Plumeré Clear advanced filters

  • Integration of biocatalysts into redox films has systematically led to a loss of their intrinsic reversibility. Now, a specially designed redox hydrogel preserves the reversibility of a [FeFe] hydrogenase and the importance of this feature for energy conversion applications is demonstrated.

    • Steffen Hardt
    • Stefanie Stapf
    • Nicolas Plumeré
    Research
    Nature Catalysis
    Volume: 4, P: 251-258

  • Hydrogenases are efficient and promising catalysts for fuel cells; however, they suffer from oxygen sensitivity and deactivation at high potentials. Integration of hydrogenases into redox-active hydrogels provides a redox buffer and a self-activated oxygen-scavenging mechanism. This tandem protection makes the hydrogenase a possible alternative to noble metal catalysts.

    • Nicolas Plumeré
    • Olaf Rüdiger
    • Wolfgang Lubitz
    Research
    Nature Chemistry
    Volume: 6, P: 822-827

  • Bio-inspired Ni-based molecular catalysts are efficient for H2 oxidation, but are suffering from the poor stability in the presence of O2. Here, the authors develop a strategy to boost greatly their stability by dispersing them in a hydrophobic and redox-silent polymer matrix.

    • Alaa A. Oughli
    • Adrian Ruff
    • Olaf Rüdiger
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-6

  • The photocurrent of a single photosynthetic protein can be measured by using a scanning probe tip as both an electrode and a localized light source.

    • Nicolas Plumeré
    News & Views
    Nature Nanotechnology
    Volume: 7, P: 616-617

  • Interfacing photosynthetic proteins and electrodes for investigating light-induced charge separation remains challenging. The discovery of a competing charge transfer pathway through the light-harvesting antenna defines new design requirements for electrode modification.

    • Marc M Nowaczyk
    • Nicolas Plumeré
    News & Views
    Nature Chemical Biology
    Volume: 12, P: 990-991

  • Oxidative degradation impedes practical applications of highly active but fragile catalysts. Here the authors show that combining a protection matrix for O2 reduction and hydrogen peroxide decomposition stabilizes highly O2-sensitive hydrogenase in the harsh oxidative conditions of operating fuel cells.

    • Huaiguang Li
    • Ute Münchberg
    • Nicolas Plumeré
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • Photobiodevices use photosynthetic proteins such as those of the photosystem 1 (PS1) to enable light-induced charge separation, but they suffer from limited long-term stability. Here authors employ scanning photoelectrochemical microscopy on a PS1 biocathode and find that several pathways generate oxygen radicals.

    • Fangyuan Zhao
    • Steffen Hardt
    • Felipe Conzuelo
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • Hydrogen is an attractive alternative fuel, but many hydrogen-conversion electrocatalysts contain expensive materials. Here the authors report a dual-gas breathing hydrogen/air biofuel cell comprised of a modified polymer/hydrogenase bioanode and a bilirubin oxidase biocathode, delivering improved output.

    • Julian Szczesny
    • Nikola Marković
    • Adrian Ruff
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • Understanding the relationship between reaction rate and thermodynamic driving force is central to developing efficient catalysts. This Perspective describes this relationship and the conditions that can give rise to reversible catalysis, which is relevant to energy conversions of fuels and motor proteins alike.

    • Vincent Fourmond
    • Nicolas Plumeré
    • Christophe Léger
    Reviews
    Nature Reviews Chemistry
    Volume: 5, P: 348-360