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   Articles with "iii reduction" as a keyword



Response of Fe(III)-reducing kinetics, microbial community structure and Fe(III)-related functional genes to Fe(III)-organic matter complexes and ferrihydrite in lake sediment

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recommendations! Published in 2024 at "Biogeochemistry"

DOI: 10.1007/s10533-024-01186-4

Abstract: Microbial Fe(III) reduction significantly influences the fate of various elements and contaminants. Previous research has employed different Fe(III)-OM complexes and ferrihydrite to study Fe(III)-reduction-related biogeochemistry processes. However, the effects of adding specific Fe(III)-OM complexes and… read more here.

Keywords: functional genes; iii; iii reduction; iii reducing ... See more keywords

Sonochemistry of aqueous NaAuCl4 solutions with C3-C6 alcohols under a noble gas atmosphere.

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recommendations! Published in 2018 at "Ultrasonics sonochemistry"

DOI: 10.1016/j.ultsonch.2017.09.040

Abstract: The effect of the type of C3-C6 alcohol, solution temperature, and dissolved gas on the rate of Au(III) reduction was investigated in NaAuCl4 aqueous alcohol solution with a 200-kHz ultrasound irradiation system. It was confirmed… read more here.

Keywords: aqueous naaucl4; temperature; sonochemistry aqueous; gas ... See more keywords

Ammonium-Enhanced Arsenic Mobilization from Aquifer Sediments.

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recommendations! Published in 2024 at "Environmental science & technology"

DOI: 10.1021/acs.est.3c09640

Abstract: Ammonium-related pathways are important for groundwater arsenic (As) enrichment, especially via microbial Fe(III) reduction coupled with anaerobic ammonium oxidation; however, the key pathways (and microorganisms) underpinning ammonium-induced Fe(III) reduction and their contributions to As mobilization… read more here.

Keywords: groundwater; mobilization; iii reduction; aquifer sediments ... See more keywords

The Nature of Molecular Hybridizations in Nanodiamonds for Boosted Fe(III)/Fe(II) Circulation.

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recommendations! Published in 2024 at "Environmental science & technology"

DOI: 10.1021/acs.est.4c04733

Abstract: Reducing agents have been frequently utilized as electron donors for Fe(II) generation to resolve the sluggish Fe(III) reduction in Fenton-like reactions, while their irreversible consumption necessitates a robust catalytic system that utilizes green electron donors… read more here.

Keywords: molecular hybridizations; iii circulation; iii reduction; nature molecular ... See more keywords

Light-Mediated Reactive Oxygen Species Generation and Iron Redox Transformations in the Presence of Exudate from the Cyanobacterium Microcystis aeruginosa.

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recommendations! Published in 2017 at "Environmental science & technology"

DOI: 10.1021/acs.est.7b01441

Abstract: The photochemical properties of the organic exudate secreted by a toxic strain of Microcystis aeruginosa were studied by measuring reactive oxygen species (ROS) generation and redox transformations of iron in the presence of the organic… read more here.

Keywords: presence; redox transformations; generation; iii reduction ... See more keywords
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Direct Electrochemical P(V) to P(III) Reduction of Phosphine Oxide Facilitated by Triaryl Borates.

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recommendations! Published in 2018 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.8b07149

Abstract: Triaryl borate Lewis acids facilitate the direct two-electron reduction of the P(V) center of triphenylphosphine oxide (TPPO) to the P(III) center of triphenylphosphine at faradaic efficiencies of 37%. Insight from direct P(V) to P(III) reduction… read more here.

Keywords: reduction; triaryl borate; triaryl; iii reduction ... See more keywords

The Influence of O2 on the Enrichment and Activities of Acidophilic Fe(III) Reducing Bacteria

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recommendations! Published in 2020 at "Geomicrobiology Journal"

DOI: 10.1080/01490451.2020.1734692

Abstract: Abstract Microbiological Fe(III) reduction under oxic and acidic conditions in acid mine drainage (AMD)-impacted systems is surprising, given the greater energetic favorability of O2 reduction than Fe(III) reduction. A possible explanation for this observation is… read more here.

Keywords: reduction; enrichment cultures; iii reducing; iii reduction ... See more keywords

Cometabolism of ferrihydrite reduction and methyl-dismutating methanogenesis by Methanosarcina mazei

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recommendations! Published in 2025 at "Applied and Environmental Microbiology"

DOI: 10.1128/aem.02238-24

Abstract: ABSTRACT Recent discoveries have shown that some Methanosarcina species can reduce Fe(III), reshaping our understanding of Methanosarcina ecophysiology. However, the specific minerals reduced, the products formed, and the underlying metabolic mechanisms remain elusive. Here, we… read more here.

Keywords: methyl; iii reduction; cometabolism; methanosarcina ... See more keywords

Direct Fe(III) Reduction from Synthetic Ferrihydrite by Haloalkaliphilic Lithotrophic Sulfidogens

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recommendations! Published in 2018 at "Microbiology"

DOI: 10.1134/s0026261718020170

Abstract: Ability to reduce insoluble Fe(III) compounds has not been shown for alkaliphilic lithotrophic sulfate and sulfur reducers. Detection of this metabolic process in sulfidogenic prokaryotes could significantly expand the present knowledge on physicochemical range of… read more here.

Keywords: reduction; iron reduction; direct iii; iron ... See more keywords
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Hydrologic Alteration and Enhanced Microbial Reductive Dissolution of Fe(III) (hydr)oxides Under Flow Conditions in Fe(III)-Rich Rocks: Contribution to Cave-Forming Processes

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recommendations! Published in 2021 at "Frontiers in Microbiology"

DOI: 10.3389/fmicb.2021.696534

Abstract: Previous work demonstrated that microbial Fe(III)-reduction contributes to void formation, and potentially cave formation within Fe(III)-rich rocks, such as banded iron formation (BIF), iron ore and canga (a surficial duricrust), based on field observations and… read more here.

Keywords: rich rocks; iii; reduction; flow conditions ... See more keywords

The Influences of O2 Availability on the Microbial Activities and Fe Transformations in the Iron Formation Caves of the Southern Espinhaço Range, Brazil

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recommendations! Published in 2024 at "Minerals"

DOI: 10.3390/min14040425

Abstract: Over 3000 iron formation caves (IFCs) have formed in erosion-resistant Fe(III)-rich rocks throughout Brazil. Microbial Fe(III) reduction occurs in IFCs, where a microbe-rich, Fe(III)-depleted paste (sub muros) is found behind an Fe(III)-(hydr)oxide crust in the… read more here.

Keywords: iron formation; iii reduction; reduction; sub muros ... See more keywords