Oolitic ironstones, continental iron flux and reverse weathering in the Proterozoic Eon: Insights from the Tonian Katherine Group, Yukon

M Lechte, G Halverson, M Wallace, T Gibson… - Earth-Science …, 2024 - Elsevier
Oolitic ironstones are iron-rich and chert-poor sedimentary rocks containing concentrically
coated grains composed of iron (oxyhydr) oxides and iron phyllosilicates that offer a unique …

Iron oxide nanoparticles in geomicrobiology: from biogeochemistry to bioremediation

J Braunschweig, J Bosch, RU Meckenstock - New biotechnology, 2013 - Elsevier
Iron oxides are important constituents of soils and sediments and microbial iron reduction is
considered to be a significant anaerobic respiration process in the subsurface, however low …

[LIBRO][B] Geomicrobiology

HL Ehrlich, DK Newman - 2008 - taylorfrancis.com
Uncovers the Key Role Microbes Play in the Transformation of Oxidizable and Reducible
MineralsMany areas of geomicrobial processes are receiving serious attention from …

Dependence of Biotic and Abiotic H2O2 and •OH Production on the Redox Conditions and Compositions of Sediment during Oxygenation

N Zhang, Y Liu, Z Wan, Y Zhang, W **e… - … science & technology, 2024 - ACS Publications
Reactive oxygen species (ROS) production in O2-perturbed subsurface environments has
been increasingly documented in recent years. However, the constraining conditions under …

Changes in the composition and diversity of microbial communities during anaerobic nitrate reduction and Fe (II) oxidation at circumneutral pH in paddy soil

X Li, W Zhang, T Liu, L Chen, P Chen, F Li - Soil Biology and Biochemistry, 2016 - Elsevier
Abstract Kinetics of nitrate (NO 3−) reduction and ferrous iron (Fe (II)) oxidation in paddy soil
were investigated under anoxic conditions at circumneutral pH using three different …

Groundwater isolation governs chemistry and microbial community structure along hydrologic flowpaths

S Ben Maamar, L Aquilina, A Quaiser… - Frontiers in …, 2015 - frontiersin.org
This study deals with the effects of hydrodynamic functioning of hard-rock aquifers on
microbial communities. In hard-rock aquifers, the heterogeneous hydrologic circulation …

Denitrification by Anaeromyxobacter dehalogenans, a Common Soil Bacterium Lacking the Nitrite Reductase Genes nirS and nirK

JR Onley, S Ahsan, RA Sanford… - Applied and …, 2018 - journals.asm.org
The versatile soil bacterium Anaeromyxobacter dehalogenans lacks the hallmark
denitrification genes nirS and nirK (encoding NO2−→ NO reductases) and couples growth to …

Water table fluctuations regulate hydrogen peroxide production and distribution in unconfined aquifers

N Zhang, X Bu, Y Li, Y Zhang, S Yuan… - … science & technology, 2020 - ACS Publications
Significance of reactive oxygen species (ROS) in subsurface has been increasingly
documented in recent years, whereas the mechanisms controlling ROS production and …

Microbial community composition of a household sand filter used for arsenic, iron, and manganese removal from groundwater in Vietnam

KS Nitzsche, P Weigold, T Lösekann-Behrens… - Chemosphere, 2015 - Elsevier
Household sand filters are used in rural areas of Vietnam to remove As, Fe, and Mn from
groundwater for drinking water purposes. Currently, it is unknown what role microbial …

Sorption of arsenic to biogenic iron (oxyhydr) oxides produced in circumneutral environments

TD Sowers, JM Harrington, ML Polizzotto… - … et Cosmochimica Acta, 2017 - Elsevier
Arsenic (As) is a widespread and problematic pollutant that can be derived from natural or
anthropogenic sources. Iron (oxyhydr) oxides readily sorb As and thus play critical roles in …