Redox oscillations activate thermodynamically stable iron minerals for enhanced reactive oxygen species production
G Zhao, M Tan, B Wu, X Zheng, R Xiong… - 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 …
studies have revealed nonphotochemical electron transfer from redox-active substances …
Tide-triggered production of reactive oxygen species in coastal soils
G Zhao, B Wu, X Zheng, B Chen… - … Science & Technology, 2022 - ACS Publications
We report an unrecognized, tidal source of reactive oxygen species (ROS). Using a newly
developed ROS-trapping gel film, we observed hot spots for ROS generation within∼ 2.5 …
developed ROS-trapping gel film, we observed hot spots for ROS generation within∼ 2.5 …
Sunlight-driven production of reactive oxygen species from natural iron minerals: quantum yield and wavelength dependence
X Zheng, B Wu, C Zhou, T Liu, Y Wang… - Environmental …, 2022 - ACS Publications
Photochemically generated reactive oxygen species (ROS) play numerous key roles in
earth's surface biogeochemical processes and pollutant dynamics. ROS production has …
earth's surface biogeochemical processes and pollutant dynamics. ROS production has …
Water vapor condensation on iron minerals spontaneously produces hydroxyl radical
The hydroxyl radical (• OH) is a potent oxidant and key reactive species in mediating
element cycles and pollutant dynamics in the natural environment. The natural source of• …
element cycles and pollutant dynamics in the natural environment. The natural source of• …
Interplay between iron species transformation and hydroxyl radicals production in soils and sediments during anoxic-oxic cycles
Y Zhang, M Tong, S Yuan, A Qian, H Liu - Geoderma, 2020 - Elsevier
Iron (Fe) redox transformation in soils and sediments plays an essential role in the
biogeochemical cycling of associated nutrients and elements. It is documented recently that …
biogeochemical cycling of associated nutrients and elements. It is documented recently that …
Role of superoxide in the photochemical reduction of iron in seawater
We have conducted a series of laboratory studies to investigate the generation of ferrous
iron and reactive oxygen species when solutions of seawater containing natural organic …
iron and reactive oxygen species when solutions of seawater containing natural organic …
Mechanistic insight into humic acid-enhanced hydroxyl radical production from Fe (II)-bearing clay mineral oxygenation
Hydroxyl radical (• OH) production by electron transfer from Fe (II)-bearing clay minerals to
oxygen has been increasingly reported. However, the influence of ubiquitous coexisting …
oxygen has been increasingly reported. However, the influence of ubiquitous coexisting …
[HTML][HTML] Differential interactions between natural clay minerals and dissolved organic matter affect reactive oxygen species formation
Naturally occurring reactive oxygen species (ROS) are widely involved in many
environmental processes. Here we investigated the ROS generation associated with the …
environmental processes. Here we investigated the ROS generation associated with the …
A biogeochemical–hydrological framework for the role of redox-active compounds in aquatic systems
Redox-driven biogeochemical element cycles play a central role in converting organic
matter in aquatic ecosystems. They also perform key functions such as removing nitrate …
matter in aquatic ecosystems. They also perform key functions such as removing nitrate …
Microbial community mediates hydroxyl radical production in soil slurries by iron redox transformation
The generation of reactive oxygen species (ROS) mediated by minerals and/or
microorganisms plays a vital but underappreciated role in affecting carbon and nutrient …
microorganisms plays a vital but underappreciated role in affecting carbon and nutrient …