Search Results - "Gharasoo, Mehdi"

Nitrogen Leaching From Agricultural Soils Under Imposed Freeze-Thaw Cycles: A Column Study With and Without Fertilizer Amendment by Krogstad, Konrad, Gharasoo, Mehdi, Jensen, Grant, Hug, Laura A., Rudolph, David, Van Cappellen, Philippe, Rezanezhad, Fereidoun

“…Cold regions are warming faster than the rest of the planet, with the greatest warming occurring during the winter and shoulder seasons. Warmer winters are…”
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Deep Learning Neural Network Approach for Predicting the Sorption of Ionizable and Polar Organic Pollutants to a Wide Range of Carbonaceous Materials by Sigmund, Gabriel, Gharasoo, Mehdi, Hüffer, Thorsten, Hofmann, Thilo

“…Most contaminants of emerging concern are polar and/or ionizable organic compounds, whose removal from engineered and environmental systems is difficult…”
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Isotope Fractionation Pinpoints Membrane Permeability as a Barrier to Atrazine Biodegradation in Gram-negative Polaromonas sp. Nea‑C by Ehrl, Benno N, Gharasoo, Mehdi, Elsner, Martin

“…Biodegradation of persistent pesticides like atrazine often stalls at low concentrations in the environment. While mass transfer does not limit atrazine…”
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Pore-Scale Heterogeneities Improve the Degradation of a Self-Inhibiting Substrate: Insights from Reactive Transport Modeling by Gharasoo, Mehdi, Elsner, Martin, Van Cappellen, Philippe, Thullner, Martin

“…In situ bioremediation is a common remediation strategy for many groundwater contaminants. It was traditionally believed that (in the absence of…”
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Introduction of a new platform for parameter estimation of kinetically complex environmental systems by Gharasoo, Mehdi, Thullner, Martin, Elsner, Martin

“…A modeling framework (ReKinSim - Reaction Kinetics Simulator) is introduced, within which biogeochemical reactions in environmental systems can be described…”
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Rate-Limiting Mass Transfer in Micropollutant Degradation Revealed by Isotope Fractionation in Chemostat by Ehrl, Benno N, Kundu, Kankana, Gharasoo, Mehdi, Marozava, Sviatlana, Elsner, Martin

“…Biodegradation of persistent micropollutants like pesticides often slows down at low concentrations (μg/L) in the environment. Mass transfer limitations or…”
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Relationship between soil CO2 fluxes and soil moisture: Anaerobic sources explain fluxes at high water content by Fairbairn, Linden, Rezanezhad, Fereidoun, Gharasoo, Mehdi, Parsons, Chris T., Macrae, Merrin L., Slowinski, Stephanie, Van Cappellen, Philippe

“…•Soil CO2 fluxes in oxic incubations peak around 65% moisture content.•Oxic and anoxic incubations exhibit comparable CO2 fluxes at 100% saturation.•When…”
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Key Physicochemical Properties Dictating Gastrointestinal Bioaccessibility of Microplastics-Associated Organic Xenobiotics: Insights from a Deep Learning Approach by Liu, Xinlei, Gharasoo, Mehdi, Shi, Yu, Sigmund, Gabriel, Hüffer, Thorsten, Duan, Lin, Wang, Yongfeng, Ji, Rong, Hofmann, Thilo, Chen, Wei

“…A potential risk from human uptake of microplastics is the release of plastics-associated xenobiotics, but the key physicochemical properties of microplastics…”
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Phase-specific stable isotope fractionation effects during combined gas-liquid phase exchange and biodegradation by Khan, Ali M., Gharasoo, Mehdi, Wick, Lukas Y., Thullner, Martin

“…Stable isotope fractionation of toluene under dynamic phase exchange was studied aiming at ascertaining the effects of gas-liquid partitioning and…”
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A perspective on applied geochemistry in porous media: Reactive transport modeling of geochemical dynamics and the interplay with flow phenomena and physical alteration by Deng, Hang, Gharasoo, Mehdi, Zhang, Liwei, Dai, Zhenxue, Hajizadeh, Alireza, Peters, Catherine A., Soulaine, Cyprien, Thullner, Martin, Van Cappellen, Philippe

“…In many practical geochemical systems that are at the center of providing indispensable energy, resources and service to our society, (bio)geochemical…”
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Comment on Predicting Aqueous Adsorption of Organic Compounds onto Biochars, Carbon Nanotubes, Granular Activated Carbons, And Resins with Machine Learning by Sigmund, Gabriel, Gharasoo, Mehdi, Hüffer, Thorsten, Hofmann, Thilo

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Mass-Transfer-Limited Biodegradation at Low ConcentrationsEvidence from Reactive Transport Modeling of Isotope Profiles in a Bench-Scale Aquifer by Sun, Fengchao, Mellage, Adrian, Gharasoo, Mehdi, Melsbach, Aileen, Cao, Xin, Zimmermann, Ralf, Griebler, Christian, Thullner, Martin, Cirpka, Olaf A, Elsner, Martin

“…Organic contaminant degradation by suspended bacteria in chemostats has shown that isotope fractionation decreases dramatically when pollutant concentrations…”
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Modeling of Contaminant Biodegradation and Compound-Specific Isotope Fractionation in Chemostats at Low Dilution Rates by Gharasoo, Mehdi, Ehrl, Benno N, Cirpka, Olaf A, Elsner, Martin

“…We present a framework to model microbial transformations in chemostats and retentostats under transient or quasi-steady state conditions. The model accounts…”
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A reactive transport modeling approach to simulate biogeochemical processes in pore structures with pore-scale heterogeneities by Gharasoo, Mehdi, Centler, Florian, Regnier, Pierre, Harms, Hauke, Thullner, Martin

“…Redox processes, including degradation of organic contaminants, are often controlled by microorganisms residing in natural porous media like soils or aquifers…”
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How the chemotactic characteristics of bacteria can determine their population patterns by Gharasoo, Mehdi, Centler, Florian, Fetzer, Ingo, Thullner, Martin

“…Spatial distribution of soil microorganisms is relevant for the functioning and performance of many ecosystem processes such as nutrient cycling or…”
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Kinetics of Substrate Biodegradation under the Cumulative Effects of Bioavailability and Self-Inhibition by Gharasoo, Mehdi, Centler, Florian, Van Cappellen, Philippe, Wick, Lukas Y, Thullner, Martin

“…Microbial degradation is an important process in many environments controlling for instance the cycling of nutrients or the biodegradation of contaminants. At…”
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A robust optimization technique for analysis of multi-tracer experiments by Gharasoo, Mehdi, Wietzke, Luzie M., Knorr, Bastian, Bakkour, Rani, Elsner, Martin, Stumpp, Christine

“…Fate and transport of solutes in heterogeneous porous media is largely affected by diffusive mass exchange between mobile and immobile water zones. Since it is…”
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Mass Transfer Limitation during Slow Anaerobic Biodegradation of 2‑Methylnaphthalene by Marozava, Sviatlana, Meyer, Armin H, Pérez-de-Mora, Alfredo, Gharasoo, Mehdi, Zhuo, Lin, Wang, He, Cirpka, Olaf A, Meckenstock, Rainer U, Elsner, Martin

“…While they are theoretically conceptualized to restrict biodegradation of organic contaminants, bioavailability limitations are challenging to observe…”
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The Impact of Pore-Size Heterogeneities on the Spatiotemporal Variation of Microbial Metabolic Activity in Porous Media by STOLPOVSKY, Konstantin, GHARASOO, Mehdi, THULLNER, Martin

“…Natural porous media such as soils or aquifers are characterized by various porescale heterogeneities. This includes the temporal variability of substrate…”
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Simulating the chemical kinetics of CO2-methane exchange in hydrate by Gharasoo, Mehdi, Babaei, Masoud, Haeckel, Matthias

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