Ferric Iron Reduction
Ferric Iron Reduction - Related Videos
01:25
Isolation of Ammonium-Oxidizing Iron Reducers from a Wetland Soil–Derived Enrichment Culture
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2025
Begin with a wetland soil-derived enrichment culture containing bacterial communities.The culture exhibits Feammox activity, ammonium oxidation coupled to ferric iron reduction, indicating the enrichment of a bacterium capable of this metabolic process.Serially dilute the culture using media.Streak the diluted samples onto test agar plates supplemented with ferric iron and ammonium.Use control plates that lack either ferric iron or ammonium, or contain ferric iron with organic carbon instead of...
10:37
Ferric Chloride-induced Murine Thrombosis Models
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Cited by 56 •
2016
We report a refined procedure of the ferric chloride (FeCl3)-induced thrombosis models on carotid and mesenteric artery as well as vein, characterized efficiently using intravital microscopy to monitor time to occlusive thrombi formation.
07:34
Establishment of a Modified Ferric Chloride-Induced Superior Sagittal Sinus Thrombosis
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2025
This study presents a protocol for establishing a reproducible, minimally invasive rat model of superior sagittal sinus thrombosis induced by ferric chloride, utilizing a silk-suture method in combination with laser speckle contrast imaging and high-resolution ultrasound for evaluation.
07:26
Ferric Chloride-induced Thrombosis Mouse Model on Carotid Artery and Mesentery Vessel
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Cited by 49 •
2015
The FeCl3 induced thrombosis model in mice is described herein. A method to monitor thrombus growth by intravital microscopy observation on a mesenteric vessel and by blood flow measurement in the carotid artery is presented.
08:45
Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
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Cited by 3 •
2022
This article demonstrates how to prepare and administer transferrin-bound nonradioactive isotopic iron for studies of iron transport in mouse pregnancy. The approach for quantifying isotopic iron in fetoplacental compartments is also described.
FAQs
The key step is directing electrons from an energy source to Fe(III) under oxygen-limited or anaerobic conditions. Microorganisms may obtain those electrons from organic compounds or hydrogen, then pass them through membrane-associated carriers or soluble electron shuttles to ferric iron minerals. This electron flow supports anaerobic respiration and can provide energy for microbial growth.
These components connect intracellular electron production with ferric iron outside or beyond the immediate cell surface. Membrane-associated carriers support electron movement across cellular boundaries, while soluble shuttles can transfer electrons between cells and Fe(III) minerals. Their involvement helps explain how microorganisms use relatively inaccessible mineral iron as an electron acceptor during anaerobic growth.
The oxidation-state change alters iron solubility and mobility. As ferric iron becomes ferrous iron, iron can move differently through sediments, groundwater, and other environmental systems, changing where it accumulates and what substances it interacts with. These shifts can influence nutrient availability and affect the transport or persistence of metals and pollutants.
Anaerobic conditions are central because the process functions as a form of anaerobic respiration. Its progress also depends on whether microorganisms can access suitable electron sources, including organic compounds or hydrogen, and whether Fe(III) is available in mineral form. The presence of membrane carriers or soluble shuttles further affects how efficiently electrons reach ferric iron.
A useful investigation considers the microbial setting, the availability of Fe(III) minerals, the electron source, and the pathway connecting cellular metabolism to iron. Researchers can then relate the resulting Fe(II) production to changes in iron solubility and mobility. This approach links microbial activity with broader chemical outcomes rather than treating iron conversion as an isolated reaction.
The process is particularly relevant in sediments and groundwater, where microbial activity can modify iron chemistry over space and time. It contributes to sediment biogeochemistry and groundwater chemistry while influencing nutrient availability, carbon cycling, and contaminant behavior. These connections make it important for studying microbial ecology and the movement of metals and pollutants.
Because the process changes iron solubility and mobility, it can influence the environmental fate of contaminants, including metals and pollutants. Bioremediation research therefore considers microbial iron reduction as a way to understand or potentially manage contaminant behavior in affected environments. Its value lies in connecting microbial metabolism with chemical transformations that control environmental transport.