Results 41 to 50 of about 2,044,373 (297)

Research advances on metabolic pathways of hydrogen production by dark fermentation

open access: yes上海师范大学学报. 自然科学版, 2020
Hydrogen energy has become the most potential new energy source because of its high calorific value, non-polluting combustion products and wide sources of raw materials.
SUN Ruru   +4 more
doaj   +1 more source

Hydrogen peroxide metabolism and functions in plants [PDF]

open access: yesNew Phytologist, 2018
Contents Summary 1197 I. Introduction 1198 II. Measurement and imaging of H2O2 1198 III. H2O2 and O2·− toxicity 1199 IV. Production of H2O2: enzymes and subcellular locations 1200 V. H2O2 transport 1205 VI. Control of H2O2 concentration: how and where? 1205 VII. Metabolic functions of H2O2 1207 VIII.
Nicholas Smirnoff, Dominique Arnaud
openaire   +3 more sources

Fractionation of hydrogen isotopes by sulfate- and nitrate-reducing bacteria

open access: yesFrontiers in Microbiology, 2016
Hydrogen atoms from water and food are incorporated into biomass during cellular metabolism and biosynthesis, fractionating the isotopes of hydrogen –protium and deuterium –that are recorded in biomolecules.
Magdalena Rose Osburn   +3 more
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

ROLE OF FERREDOXIN IN THE METABOLISM OF MOLECULAR HYDROGEN [PDF]

open access: yesJournal of Bacteriology, 1963
Valentine, R. C. (University of Illinois, Urbana)and R. S. Wolfe. Role of ferredoxin in the metabolism of molecular hydrogen. J. Bacteriol.85:1114–1120. 1963.—The metabolism of molecular hydrogen byClostridium pasteurianum, Micrococcus lactilyticus(Veillonella alcalescens), and several other anaerobic bacteria was studied.
R C, VALENTINE, R S, WOLFE
openaire   +2 more sources

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

open access: yesFEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang   +2 more
wiley   +1 more source

Enzymes of hydrogen metabolism in Pyrococcus furiosus [PDF]

open access: yesEuropean Journal of Biochemistry, 2000
The genome of Pyrococcus furiosus contains the putative mbhABCDEFGHIJKLMN operon for a 14‐subunit transmembrane complex associated with a Ni–Fe hydrogenase. Ten ORFs (mbhA–I and mbhM) encode hydrophobic, membrane‐spanning subunits. Four ORFs (mbhJKL and mbhN) encode putative soluble proteins.
da Silva, P.A.   +6 more
openaire   +2 more sources

Effect of Bismuth on hydrogen storage properties of melt-spun LaNi4.7-x Al0.3Bix (x = 0.0, 0.1, 0.2, 0.3) ribbons [PDF]

open access: yes, 2018
The LaNi5 intermetallic compound is an AB5 type hydrogen storage alloy which exhibits low operating temperature, easy activation, low pressure and tolerance to impurities. In this study, LaNi4.7-x Al0.3Bix (x = 0.0, 0.1, 0.2, 0.3) alloys were produced by
Uzun, Orhan   +3 more
core   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

open access: yesFEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass   +2 more
wiley   +1 more source

The Impact of Fe2+ and Na+ Concentrations on Hydrogen Production with Three Different Fermenter Bacteria

open access: yesBioResources, 2023
Batch experiments were conducted to investigate the effects of Fe2+ and Na+ on the hydrogen (H2) production performance from three different metabolic type hydrogen-producing bacterial strains. The appropriate amount of Fe2+ significantly promoted the H2
Guoxiang Zheng   +2 more
doaj   +2 more sources

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