Results 71 to 80 of about 12,578 (193)

Mechanism of Hydrogen Sulfide Generation and Prevention Strategies in Oil and Gas Fields: A Case Study of the Sickle Bay Operation Area

open access: yesAsia-Pacific Journal of Chemical Engineering, Volume 21, Issue 3, May/June 2026.
ABSTRACT To address the persistent exceedance of hydrogen sulfide (H2S) concentrations and the limited effectiveness of existing treatments in the Sickle Bay oil production area, this study deeply analyzes the mechanism of H2S generation in the Sickle Bay oil production area and proposes targeted prevention and control strategies. The results show that
Bo Lei   +7 more
wiley   +1 more source

Table_1_Deconstructing the Dissimilatory Sulfate Reduction Pathway: Isotope Fractionation of a Mutant Unable of Growth on Sulfate.xlsx

open access: yes, 2018
The sulfur isotope record provides key insight into the history of Earth's redox conditions. A detailed understanding of the metabolisms driving this cycle, and specifically microbial sulfate reduction (MSR), is crucial for accurate paleoenvironmental ...
Andre Pellerin (6084563)   +7 more
core   +1 more source

Linking NrfD/PsrC‐like architecture to energy conservation: Functional residues in the quinone reactive QrcABCD complex of sulfate‐reducing bacteria

open access: yesProtein Science, Volume 35, Issue 5, May 2026.
Abstract The QrcABCD quinone reductase complex is an electrogenic complex present in sulfate‐reducing bacteria of the Desulfobacterota phylum. It operates as a cytochrome c3:menaquinone oxidoreductase involved in electron transfer from periplasmic hydrogen or formate oxidation to the menaquinone (MK) pool.
Gonçalo Manteigas   +4 more
wiley   +1 more source

Sulfate-reducing microorganisms in wetlands – fameless actors in carbon cycling and climate change

open access: yesFrontiers in Microbiology, 2012
Freshwater wetlands are a major source of the greenhouse gas methane but at the same time can function as carbon sink. Their response to global warming and environmental pollution is one of the largest unknowns in the upcoming decades to centuries.
Michael ePester   +4 more
doaj   +1 more source

Understanding the factors (salinity, nitrate, and carbon availability) and mechanisms that control N2O products and nitrate removal patterns in inland saline farmland ditches

open access: yesVadose Zone Journal, Volume 25, Issue 3, May/June 2026.
Abstract Denitrification, the microbial process by which nitrate (NO3−) in aquatic systems is converted to N2 and N2O, is widely recognized as an effective and environmentally friendly method for mitigating NO3− pollution in water bodies. However, the complex role of salinity, which could significantly influence the denitrification process, in salt ...
Junhan Zhao   +6 more
wiley   +1 more source

Data_Sheet_1_Deconstructing the Dissimilatory Sulfate Reduction Pathway: Isotope Fractionation of a Mutant Unable of Growth on Sulfate.pdf

open access: yes, 2018
The sulfur isotope record provides key insight into the history of Earth's redox conditions. A detailed understanding of the metabolisms driving this cycle, and specifically microbial sulfate reduction (MSR), is crucial for accurate paleoenvironmental ...
Andre Pellerin (6084563)   +7 more
core   +1 more source

Sulfur Isotope Effects of Dissimilatory Sulfite Reductase

open access: yesFrontiers in Microbiology, 2015
The precise interpretation of environmental sulfur isotope records requires a quantitative understanding of the biochemical controls on sulfur isotope fractionation by the principle isotope-fractionating process within the S cycle, microbial sulfate ...
William D. Leavitt   +6 more
doaj   +1 more source

Blue Nitrogen: Global Rates and Economic Importance

open access: yesEarth's Future, Volume 14, Issue 5, May 2026.
Abstract Nitrogen (N) pollution drives widespread coastal ecosystem collapse. In this paper, we argue that mangrove forests represent an undervalued natural mitigation solution for N pollution. By performing a comprehensive global meta‐analysis, we reveal that mangroves remove 870 Gg N annually, which represents an economic value reaching $8.7 billion ...
Ziyan Wang, Benoit Thibodeau
wiley   +1 more source

Proteomic and Isotopic Response of Desulfovibrio vulgaris to DsrC Perturbation

open access: yesFrontiers in Microbiology, 2019
Dissimilatory sulfate reduction is a microbial energy metabolism that can produce sulfur isotopic fractionations over a large range in magnitude. Calibrating sulfur isotopic fractionation in laboratory experiments allows for better interpretations of ...
William D. Leavitt   +9 more
doaj   +1 more source

Putative Analogs of Pyrite Suns Forming in Proglacial Alaska Mudflats

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 131, Issue 5, May 2026.
Abstract Disc‐shaped pyrite suns of the Pennsylvanian age Anna Shale are thought to have formed where pressure restricted pyrite crystal growth to a flattened disc shape during diagenesis at the Anna Shale and the underlying Herrin coal boundary.
Heather L. Fair   +2 more
wiley   +1 more source

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