Results 21 to 30 of about 289,146 (256)

Direct Measurement of Charge Regulation in Metalloprotein Electron Transfer [PDF]

open access: yesAngewandte Chemie, 2018
AbstractDetermining whether a protein regulates its net electrostatic charge during electron transfer (ET) will deepen our mechanistic understanding of how polypeptides tune rates and free energies of ET (e.g., by affecting reorganization energy, and/or redox potential). Charge regulation during ET has never been measured for proteins because few tools
Collin T. Zahler   +6 more
openaire   +2 more sources

Rapid Fabrication of Nanoporous Gold as a Suitable Platform for the Direct Electron Transfer-type Bioelectrocatalysis of Bilirubin Oxidase

open access: yesElectrochemistry, 2020
Nanoporous gold fabricated via anodization in a buffer solution comprising potassium chloride served as an effective scaffold for the direct electron transfer-type bioelectrocatalysis of bilirubin oxidase from Myrothecium verrucaria (BOD).
Masahiro MIYATA   +3 more
doaj   +1 more source

Geobacter grbiciae—A New Electron Donor in the Formation of Co-Cultures via Direct Interspecies Electron Transfer

open access: yesMicrobiology Research, 2023
Geobacter grbiciae can grow via coupling oxidation of ethanol to the reduction of various forms of soluble Fe(III) and poorly crystalline Fe(III) oxide, suggesting that G.
Panbo Deng   +4 more
doaj   +1 more source

Syntrophic anaerobic photosynthesis via direct interspecies electron transfer

open access: yesNature Communications, 2017
Direct interspecies electron transfer has been shown in methane-producing communities, but it is unknown how widespread this mechanism is. Here, Haet al.
Phuc T. Ha   +6 more
doaj   +1 more source

Extracellular Enzymes Facilitate Electron Uptake in Biocorrosion and Bioelectrosynthesis

open access: yesmBio, 2015
Direct, mediator-free transfer of electrons between a microbial cell and a solid phase in its surrounding environment has been suggested to be a widespread and ecologically significant process.
Jörg S. Deutzmann   +2 more
doaj   +1 more source

Detrimental impact of the Geobacter metallireducens type VI secretion system on direct interspecies electron transfer

open access: yesMicrobiology Spectrum, 2023
Direct interspecies electron transfer (DIET) is important in anaerobic communities of environmental and practical significance. Other than the need for close physical contact for electrical connections, the interactions of DIET partners are poorly ...
Jessica A. Smith   +8 more
doaj   +1 more source

Direct Electrochemistry and Electrocatalysis of Hemoglobin at Mesoporous Carbon Modified Electrode

open access: yesSensors, 2010
The novel highly ordered mesoporous carbon (known as FDU-15), prepared by the organic-organic self-assembly method was been used for first time for the immobilization of hemoglobin (Hb) and its bioelectrochemical properties were studied. The resulting Hb/
Yongming Zhang, Song Qu, Supeng Pei
doaj   +1 more source

Nitrogen Doped Graphene-Core/shell CdS@TiO2 for Direct Electrochemistry of Hemoglobin and Hydrogen Peroxide Biosensor Application

open access: yesInternational Journal of Electrochemical Science, 2018
Core-shell CdS@TiO2 nanoparticles were synthesized and characterized by SEM, EDS. The asprepared core-shell nanoparticles and nitrogen doped graphene were utilized to promote the electron transfer of hemoglobin.
En-yong Shi   +4 more
doaj   +1 more source

Is the direct observation of electronic coherence in electron transfer reactions possible? [PDF]

open access: yesThe Journal of Chemical Physics, 1997
The observability of electronic coherence in electron transfer reactions is discussed. We show that under appropriate circumstances large-amplitude oscillations can be found in the electronic occupation probabilities. The initial preparation of the system is of crucial importance for this effect, and we discuss conditions under which experiments ...
Lucke, Andreas   +5 more
openaire   +3 more sources

Role and Potential of Direct Interspecies Electron Transfer in Anaerobic Digestion

open access: yesEnergies, 2018
Anaerobic digestion (AD) is an effective biological treatment for stabilizing organic compounds in waste/wastewater and in simultaneously producing biogas.
Gahyun Baek   +3 more
doaj   +1 more source

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