23.–28. 8. 2026 OREA Congress Hotel Brno 23RD MEETING OF THE IHSS 9TH IWA SPECIALIST CONFERENCE ON NOM www.ihss-iwa2026.com Programme Booklet
IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 PROGRAMME BOOKLET 2 Time Type Speaker Lecture/Activity Sunday, August 23, 2026 Pre-conference Warm Up 16:00–20:00 Registration Available at OREA Congress Hotel Brno 18:00–22:00 Icebreaker Party/Get-Together Venue: The Augustinian Abbey, Mendlovo nám. 157/1, Brno PL Plenary Lecture KL Keynote Lecture SL Standard Lecture TA Travel Awardee
PROGRAMME BOOKLET 3 IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 Time Type Speaker Lecture/Activity Monday, August 24, 2026 Lecture and Poster Day 8:00–18:30 Registration Available at OREA Congress Hotel Brno 09:40–10:00 Miloslav Pekař, Deborah P. Dick, William Mitch Opening Ceremony, Welcome Remarks 10:00–11:00 PL Martha J.M. Wells Supramolecular Structure of NOM and EfOM: Analytical Evidence 11:00–12:00 PL Kristopher McNeill Organic Matter Photochemistry and the Sulfur Cycle 12:00–13:15 Lunch 13:15–13:45 KL Philippe Schmitt-Kopplin Organic Chemical Diversity Beyond Earth: From Metabolomes to Meteorites and Asteroids Programme Session: Analysis and Characterization 13:45–14:00 SL1 Alessandro Piccolo Unfolding the Conformational Structure of Supramolecular Humeomes in 8 M Urea 14:00–14:15 SL2 Peter Herzsprung Visualizing Organic Matter Quality Differences with Ultra-High-Resolution Mass Spectrometry 14:15–14:30 SL3 Mikhail Borisover From Dilution Simulations to 13C NMR-Derived Endmembers – and Beyond: Insights into Humic Substances 14:30–14:45 SL4 Maria Jerzykiewicz Humins, Humic, and Fulvic Acids as Representative Fractions of Various Land-Use Soils 14:45–15:00 SL5 Anne Kamau Characterization of Dissolved Organic Matter and Its Relationship with Carbonaceous and Nitrogenous Disinfection By-Products Formation in Drinking Water Treatment 15:00–15:15 SL6 Michael E. Perdue Fourier Transform Ion Cyclotron Resonance Mass Spectra of the Entire IHSS Standard and Reference Sample Collection 15:15–15:30 SL7 Garrett McKay Quantifying the Contribution of Carbonyl Groups to the Optical and Photochemical Properties of Dissolved Organic Matter 15:30–15:45 SL8 Jingdong Mao Exploring Aromatic Cluster Models and Superstructures in Humic Substances via Advanced Solid-State NMR 15:45–16:15 Coffee Break 16:15–16:30 SL9 Kazuhide Hayakawa Quantitative Size Fractionation of Dissolved Organic Matter in a Large Lake Using UF–NF with Diafiltration Correction
IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 PROGRAMME BOOKLET 4 Time Type Speaker Lecture/Activity 16:30–16:45 SL10 Helen Rutlidge Mitigation of Batch Effects in High Resolution Mass Spectrometry of Natural Organic Matter 16:45–17:00 SL11 Morimaru Kida Reframing Natural Organic Matter Research Through Compositional Data Analysis 17:00–17:15 SL12 Gyumin Kim Fluorescence-Based Machine Learning for Compost Maturity Prediction and Identification of Key Humification Mechanisms 17:15–17:30 SL13 Yuki Nakaya Solid-Phase Fluorescence Excitation-Emission Matrix (SPF-EEM) Spectroscopy of Clay MineralOrganic Matter Complex: Implications for the Origin of Soil Fluorescence 17:30–17:45 SL14 Etelvino H. Novotny Fast and Accurate Method to Estimate Biochar Pore Size Distribution, Water Retention Curves and Cation Sorption Capacity by Low-Field NMR 17:45–18:00 SL15 Jarrod Psutka Use of a Spectrophotometric Method for the Detection of Adulterants in Commercial Fulvic Acid Products 18:00–18:15 SL16 Antoine Raoult High‑Frequency Monitoring of Dissolved Organic Matter in the Seine River (France) Using the Fluocopée® In Situ Fluorescence Probe 18:15–18:30 SL17 Evgeny Shirshin Dissecting the Optical Properties of Humic Substances: From Fundamental Photophysics to the AI-Driven Insights 18:30–20:00 Poster Session
PROGRAMME BOOKLET 5 IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 Time Type Speaker Lecture/Activity Tuesday, August 25, 2026 Lecture Day 8:00–18:30 Registration Available at OREA Congress Hotel Brno 09:00–09:30 KL Thomas Maskow Thermodynamic and Calorimetric Quantification of Soil Organic Matter Turnover Programme Session: Analysis and Characterization 09:30–09:45 SL18 Stefan Huber Control of Biopolymers for Chlorine-Free Tap Water with High-Resolution Liquid Chromatography - Organic Carbon Detection (LC-OCD) 09:45–10:00 SL19 Jiarui Han Which Disinfectant Generated Drinking Water DBP Mixture with the Least Developmental Toxicity? 10:00–10:15 SL20 Richard Lamar A Fluorescence Spectroscopy-Based Method for the Validation and Quantification of Fulvic Acids from Peat, Coal and Aquatic Sources and Claimed Fulvic Acid-Containing Products 10:15–10:30 SL21 Elin Lavonen Toxic Effects from Emerging Disinfection By-Products 10:30–11:10 Coffee Break 11:10–11:25 SL22 Valentin Rougé Characterizing Organic Matter Through FunctionalGroup-Based Approach: Quantification of Nitro Compounds Formed during Ozonation Programme Session: Technologies and Applications 11:25–11:40 SL23 Marawit Tesfa Precipitation of Carbonates Induced by Anoxigenic Phototrophic Sulfur Bacteria for the Capture of Carbon Dioxide 11:40–11:55 SL24 Alexander Volikov Designing Artificial Humates for Environmental Remediation 11:55–12:10 SL25 Tomáš Weidlich Artificial Humification of Waste Biomass at Ambient Pressure 12:10–13:25 Lunch/IHSS National Coordinators Meeting 13:25–13:55 KL Wei Wang Deciphering the Molecular Composition of Biological NOM and Their Transformation in Disinfection Using Novel MS-Based Approach Programme Session: Technologies and Applications 13:55–14:10 SL26 Lauris Arbidans Hydrothermal Humification for Valorization of Food Waste into Artificial Humic Substances
IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 PROGRAMME BOOKLET 6 Time Type Speaker Lecture/Activity Programme Session: Research Frontiers 14:10–14:25 SL27 Xin Yang The Hidden „Reductive Face“ of Triplet-State Dissolved Organic Matter: A New Electron Donor Mechanism in AOPs 14:25–14:40 SL28 Vítězslav Vlček Microbial Fingerprints in Antarctic Soils: Glomalin and the Hidden Drivers of Soil Carbon 14:40–14:55 SL29 Mohammad Rahbari From Black Box to Molecular Insight: Multi-Omics Elucidation of Fulvic Acid Biostimulant Action in Crops 14:55–15:10 SL30 Lap-Cuong Hua Liquid Ferrate as Chloride Free Alternative to Conventional Ferric Coagulant: NOM Removal and Its Post-Coagulation Consequences 15:10–15:25 SL31 Kirin Furst Evaluating the Air-Water Interface as the “Fourth Phase” in the Transport of Humic Substances and Organic Contaminants in Wastewater Treatment 15:25–15:55 Coffee Break 15:55–16:10 SL32 Mohsen Hesami Global Research Trends in Humic Substances-Based Biostimulants: Growth, Thematic Evolution, and Knowledge Gaps 16:10–16:25 SL33 Akshara Bathini The Eustress Signature: Visualizing Proximal Signaling Events in Plant Roots Triggered by Electron Accepting and Donating Capacities 16:25–16:40 SL34 Davide Savy From Trash to Treasure: Humic-Based Nanocarriers and Hydrogels for Sustainable Agriculture and Wastewater Treatment Programme Session: Environment, Agriculture, and Forestry 16:40–16:55 SL35 Mackenzie Bowden Characterization of Wildfire Natural Organic Matter (NOM): Ash-Derived Humic and Fulvic Acids 16:55–17:10 SL36 Michael Gonsior The Unique Chemodiversity of Geothermal Dissolved Organic Matter in Yellowstone Hot Springs, Wyoming, USA 17:10–17:25 SL37 Petr Zapletal Contrasting Regeneration Pathways Influence Nutrient Stocks and Litter Accumulation under Young Silver Fir Stands in Secondary Norway Spruce Monocultures 17:25–17:40 SL38 Susan Richardson Impact of Wildland-Urban Interface Wildfires on Drinking Water: Urban Structural Ash Is a Source of Precursors for Toxic Disinfection Byproducts 17:40–17:55 SL39 Xianjin Tang Humic and Fulvic Acid Fractions Differentially Regulate Methane-Dependent Arsenate Reduction in Paddy Soils 17:55–18:10 SL40 Jingyi Zeng Wildfires Increase the Molecular Heterogeneity of Soil Dissolved Organic Matter Across Mediterranean-Climate Forest Ecoregions
PROGRAMME BOOKLET 7 IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 Time Type Speaker Lecture/Activity 18:10–18:25 SL41 Nontokozo Magwaza Detection of Phthalate Esters in Drinking Water with Absorbance-Transmittance Excitation Emission Matrix (A-TEEM) Spectroscopy 18:25–18:40 SL42 Ouyuan Jiang Arsenic Reduces Methane Emissions from Paddy Soils: Insights from Continental Investigation and Laboratory Incubations 18:40–18:55 SL43 Jun‘ichiro Ide Seasonal and Spatial Variations of Dissolved Organic Matter in Throughfall in Cool-Temperate Birch Stands, Northern Japan 19:00–20:00 IHSS General Assembly Wednesday, August 26, 2026 Optional Tours 1. ARCHITECTURE 2. CITY 3. NATURE 4. WATER More information at https://www.ihss-iwa2026.com/organisational-information.
IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 PROGRAMME BOOKLET 8 Time Type Speaker Lecture/Activity Thursday, August 27, 2026 Lecture Day and Gala Dinner 8:00–17:00 Registration Available at OREA Congress Hotel Brno Room 1 09:00–09:30 KL Chris Oostenbrink Molecular Modeling and Simulation of Soil Components Programme Session: NOM and Aquatic Systems 09:30–09:45 SL44 Xiangru Zhang From NOM to High Molecular Weight Aromatic DBPs and Then to Aliphatic DBPs during Chlorine Disinfection 09:45–10:00 SL45 Francisco Zafra-Navarro Chlorination vs Chloramination: HRMS-Based Insights into DOM Transformations and Halogenated Byproduct Formation during Disinfection 10:00–10:15 SL46 Paul Westerhoff Fractionation and Characterization of Acids and Neutrals in Treated Wastewater 10:15–10:30 SL47 Rolf D. Vogt Shifting Drivers of DOM in Boreal Waters: From Acidification Recovery to Climate Forcing 10:30–10:45 SL48 Raiga Shiota Hydroxyl Radical Production Associated with Sediment Redox Cycling in the Bottom Turbid Layer of Lake Biwa 10:45–11:15 Coffee Break 11:15–11:30 SL49 Takumi Saito Molecular Characterization of Dissolved Organic Matter in Deep Groundwater of Marine Deposits by Data Fusion of EEM and FT-ICR-MS with Machine Learning 11:30–11:45 SL50 Kathleen Murphy A novel fluorescence index for predicting DOM aromaticity in aquatic systems 11:45–12:00 SL51 Alex Y. Murata Molecular-Level Characterization of Impacts of Surface Water NOM on Degradation of Pesticides by UV/Chlorine Treatment 12:00–12:15 SL52 Madjid Mohseni Optimizing Biological Ion Exchange for NOM Removal: Backwashing and Regeneration 12:15–12:30 SL53 Chao Liu Mitigating Mammalian Cell Cytotoxicity of Chlorinated Drinking Water by Conventional and Advanced Treatment Processes 12:30–14:00 Lunch
PROGRAMME BOOKLET 9 IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 Time Type Speaker Lecture/Activity 14:00–14:30 KL Jorg E. Drewes NOM Removal during Advanced Water Treatment and Water Reuse Programme Session: NOM and Aquatic Systems 14:30–14:45 SL54 Sungeun Lim Heterocyclic Organic Chloramines as Chlorinating Agents Toward Phenolic Moieties in DOM: Implications for Disinfection Byproduct Formation 14:45–15:00 SL55 Ina Kristiana Innovation-Led Optimization of Treatment Processes for Natural Organic Matter (NOM) Removal at a Groundwater Treatment Plant for Resilient Water Supply 15:00–15:15 SL56 Magdalena Knabl Biotransformation of Trace Organic Chemicals from Reclaimed Water during Managed Aquifer Recharge: The Role of Natural Organic Matter 15:15–15:30 SL57 Miroslav Jonáš Physico-Chemical and Molecular Properties of DOM in Peat Pore Water: Effect of Seasonality, Vertical Stratification, and Catchment 15:30–15:45 SL58 Peter Jarvis The Curious Role of Inorganic Ions on the Coagulation of Natural Organic Matter 15:45–16:15 Coffee Break Programme Session: NOM and Aquatic Systems 16:15–16:30 SL59 Marlena Cheshire High Molecular Weight Disinfection Byproducts in Nitrifying Drinking Water Distribution Systems 16:30–16:45 SL60 Raymond Hozalski The Biodegradable Fraction of Natural Organic Matter and Its Impact on Bacterial Growth in Potable Water Distribution Systems 16:45–17:00 SL61 Huiyu Dong Natural and Anthropogenic Drivers of DOM Heterogeneity Dictate Disinfection Byproduct Formation and Cytotoxicity in Drinking Water of Yangtze River Basin, China 17:00–17:15 SL62 Sofija Djukanovic Drinking Water Biostability: Connecting Microbial Regrowth with Bioavailable Dissolved Organic Matter Composition 17:15–17:30 SL63 Fariba Amiri Dissolved Organic Matter Diversity as a Predictor of DBP Formation and Composition Across Canadian Watersheds
IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 PROGRAMME BOOKLET 10 Time Type Speaker Lecture/Activity Room 2 Programme Session: Soil Organic Matter, Caustobiolites, and Biochar 09:30–09:45 SL64 Irina Perminova Molecular Composition of Dissolved Organic Matter on the Arctic Shelf as a Proxy of Carbon Cycling Change 09:45–10:00 SL65 Francisco J. Górriz Nagore Amorphous Humic Acid-MOF Composites as Controlled-Release Fertilizers: EPR-Assisted Structural Characterization and Nutrient Release 10:00–10:15 SL66 Heike Knicker Organic Components of Biochar/Hydrochar Act as Chemical Messengers That Can Reshape Microbiome Composition and Influence Plant Growth Response 10:15–10:30 SL67 Na-Hyun Kwon Molecular Characteristics of Aggregate-Associated Humic Substances in CaO and SiO₂ Amended Soils 10:30–10:45 SL68 Hiarhi Monda Thermal Modulation of Humic Acids Under Industrially Relevant Processing Conditions: Linking Analytical Characterization to Plant Biostimulant Activity 10:45–11:15 Coffee Break 11:15–11:30 SL69 Petr Sedláček Microbial Architects: Plant Growth-Promoting Bacteria Building Their Own Hydrogel Delivery Systems 11:30–11:45 SL70 Tomáš Vichta Linking Thermal Stability of Soil Organic Carbon to Water Repellency of Forest Floor and Topsoil in a Mixed Oak–Beech Forest 11:45–12:00 SL71 Jianming Xu Cadmium in Contaminated Straw Impairs Carbon Sequestration and Reduces Nitrogen Availability in Paddy Soils 12:00–12:15 SL72 Kristýna Müllerová The Characterization of the Soil Organic Matter Extract Made with Water and Alkali 12:15–12:30 SL73 Gbenga Adejumo Evaluating Spectroscopy and Chemometrics as Tools to Improve Agricultural Soil Fertility Testing 12:30–14:00 Lunch
PROGRAMME BOOKLET 11 IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 Time Type Speaker Lecture/Activity 14:00–14:15 SL74 Vitor Freitas Intercropped Pasture Systems with Biological Nitrogen Fixation Improve Soil Fertility and Reduce the Environmental Impact of Agriculture 14:15–14:30 SL75 Edgar G. Andres Stabilization Mechanisms of Organic Materials on Clay Surfaces 14:30–14:45 SL76 Tannis Serben Organic Biostimulants: Analytical Methodology and Performance on Wheat 14:45–15:00 SL77 Yeji Seo Analysis of Natural Organic Matter Removal and Structure Changes Using PEM-Based Electrochemical Oxidation 15:00–15:15 SL78 Jehangir Bhadha The Everglades Agricultural Area: A Fertile Landscape Experiencing Unprecedented Soil Loss 19:30–00:00 Gala Dinner Venue: Brewery House Poupě, Dominikánská 342, Brno
IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 PROGRAMME BOOKLET 12 Time Type Speaker Lecture/Activity Friday, August 28, 2026 Lecture and Awards Day, Closing 09:00–09:30 KL Adele Muscolo Humic Substances as Drivers of Carbon Footprint Reduction: Linking Environmental Remediation, Soil Health and Sustainable Agriculture Programme Session: Travel Awardee Presentations 09:30–09:40 TA1 Maia Hermógenes Coal Fines as a Smart Soil Conditioner via Production of Functional Encapsulation for Use in Modern and Sustainable Systems of Agriculture. 09:40–09:50 TA2 Maria L. Goretti Quinones Estimation of Black Carbon in a Humic Acid Inventory and Evaluation of an Alternative BPCA Methodology 09:50–10:00 TA3 Agnieszka Grabusiewicz Land-Use Impact on SOM Transformation 10:00–10:10 TA4 Olasunkanmi Oladimeji Effects of Biochar and Sodium (Na)-Based Fertilizers on Soil Fauna Abundance, Soil Chemical Properties, Yields and Nutrients Uptake of Telfairia occidentalis 10:10–10:20 TA5 Ildeane S. de Oliveira Biostimulants Based on Humic Substances and Bacterial Consortia Modulate Soybean Microbiome and Growth 10:20–10:30 TA6 John R. M. Bendijo Soil Organic Carbon Stocks and Stabilization Mechanisms Along Shading Gradients in AgriPhotovoltaic Systems 10:30–10:40 TA7 Maria B. de Garcia Fernandez Soil Organic Matter Chemical Composition and Aggregate Formation as a Function of Grasses Cultivated for 20 Years in Minesoil Restoration 10:40–10:50 TA8 Maurizio Marrese Comparative Elemental and Spectroscopic Evaluation of Humic Acids Extracted from Conventional and Biodynamic Field Spray Preparation 10:50–11:30 Coffee Break
PROGRAMME BOOKLET 13 IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 Time Type Speaker Lecture/Activity Programme Session: Environment, Agriculture, and Forestry 11:30–11:45 SL79 Shuxun Cheng Long-Term N Fertilization Altered Viral Community Composition and Increased Functional Potentials of Phosphorus Cycling by Causing Soil Acidification 11:45–12:00 SL80 Zhongmin Dai Multi-Stressor Environments Shape Soil Microbial Biodiversity, Genomic Strategies and Phosphorus Cycle 12:00–12:15 SL81 Yael Mishael Removal of NOM by desiged composite sorbents vs. GAC by filtration Programme Session: NOM and Aquatic Systems 12:15–12:30 SL82 Liza S. Hamzah THMFP-Based Evaluation of DOM Reactivity Across VF–HF–GDM Treatment Stages 12:30–12:45 SL83 Katarzyna Jaszczyszyn Using LC-OCD Analyses to Provide Insights into Natural Organic Matter Removal during Artificial Infiltration and Adsorption of MC-LR on Activated Carbon 12:45–13:00 Awards and Closing Remarks
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