Fe (II) redox chemistry in the environment

J Huang, A Jones, TD Waite, Y Chen, X Huang… - Chemical …, 2021 - ACS Publications
Iron (Fe) is the fourth most abundant element in the earth's crust and plays important roles in
both biological and chemical processes. The redox reactivity of various Fe (II) forms has …

Consider the anoxic microsite: acknowledging and appreciating spatiotemporal redox heterogeneity in soils and sediments

EM Lacroix, M Aeppli, K Boye, E Brodie… - ACS Earth and Space …, 2023 - ACS Publications
Reduction–oxidation (redox) reactions underlie essentially all biogeochemical cycles. Like
most soil properties and processes, redox is spatiotemporally heterogeneous. However …

Iron-mediated organic matter decomposition in humid soils can counteract protection

C Chen, SJ Hall, E Coward, A Thompson - Nature communications, 2020 - nature.com
Soil organic matter (SOM) is correlated with reactive iron (Fe) in humid soils, but Fe also
promotes SOM decomposition when oxygen (O2) becomes limited. Here we quantify Fe …

Redox oscillations activate thermodynamically stable iron minerals for enhanced reactive oxygen species production

G Zhao, M Tan, B Wu, X Zheng, R **ong… - Environmental …, 2023 - ACS Publications
Reactive oxygen species (ROS) play key roles in driving biogeochemical processes. Recent
studies have revealed nonphotochemical electron transfer from redox-active substances …

Electron transfer, atom exchange, and transformation of iron minerals in soils: the influence of soil organic matter

C Chen, Y Dong, A Thompson - Environmental Science & …, 2023 - ACS Publications
Despite substantial experimental evidence of electron transfer, atom exchange, and
mineralogical transformation during the reaction of Fe (II) aq with synthetic Fe (III) minerals …

Mutual interactions between reduced Fe-bearing clay minerals and humic acids under dark, oxygenated conditions: hydroxyl radical generation and humic acid …

Q Zeng, X Wang, X Liu, L Huang, J Hu… - … science & technology, 2020 - ACS Publications
Hydroxyl radicals (· OH) exert a strong impact on the carbon cycle due to their nonselective
and highly oxidizing nature. Reduced iron-containing clay minerals (RIC) are one of the …

[HTML][HTML] Biogeochemical cycling of iron (hydr-) oxides and its impact on organic carbon turnover in coastal wetlands: A global synthesis and perspective

C Yu, S **e, Z Song, S **a, ME Åström - Earth-Science Reviews, 2021 - Elsevier
Coastal wetlands host large and dynamic reservoirs of organic carbon (C) and are also
biogeochemical hotspots for a wide range of Fe (hydr-) oxides with different chemical …

Synchronous sequestration of cadmium and fulvic acid by secondary minerals from Fe (II)-catalyzed ferrihydrite transformation

S Hu, L Zhen, S Liu, C Liu, Z Shi, F Li, T Liu - Geochimica et Cosmochimica …, 2022 - Elsevier
As consequence of the dual demands for pollution control and carbon (C) fixation in soils, Fe
(II)-catalyzed mineral transformation may be a promising method to simultaneously …

Retention of soil organic matter by occlusion within soil minerals

J Chi, Y Fan, L Wang, CV Putnis, W Zhang - Reviews in Environmental …, 2022 - Springer
The stabilization of soil organic matter is crucial for global carbon cycling processes as soil
stores large amounts of organic carbon. The occlusion of SOM within minerals sequesters …

[HTML][HTML] Mineral-mediated stability of organic carbon in soil and relevant interaction mechanisms

Z Xu, DCW Tsang - Eco-Environment & Health, 2024 - Elsevier
Soil, the largest terrestrial carbon reservoir, is central to climate change and relevant
feedback to environmental health. Minerals are the essential components that contribute to …