Poster sessions will take place on Monday, Tuesday, and Thursday in the Balint hall, from 15:00 to 17:30.For presentation abstracts, see the final program and abstract book (pdf).

Topic 1: Advances in Analytical Instrumentation

P11 Kristyna Kantnerova (Empa): Clumped isotopes as a novel tracer for the N2O cycle
Daniel Köster (University of Duisburg-Essen): Coupling LC-IRMS with high resolution mass spectrometry
P13 Hilary Stuart-Williams (Australian National University): Software and hardware optimisation of an Aerodyne quantum cascade laser for measuring plant gas exchange

Topic 2: Chemistry, Computations, and Theory of Isotope Effects

P21 Axel Horst (UFZ Leipzig): Kinetic and equilibrium volatilization isotope effects in halogenated organic compounds and alcohols dissolved in water

Topic 3: Biology & Enzymology

P31 Katarzyna Romek (University of Nantes): Intramolecular distribution of 13C in amino acids measured by 13C NMR spectrometry
P32 Katarzyna Romek (University of Nantes): Towards understanding the origin of the 13C/12C ratios in O-methyl and N-methyl groups: a combined experimental and theoretical study
P33 Katarzyna Świderek (University Jaume I): Primary and Enzyme Kinetic Isotope Effects in E. Coli Thymidylate Synthase
P34 Richard Robins (University of Nantes): Why is the 13C/12C ratio in O-methyl of some natural products depleted but not in others?

Topic 4: Isotopes in Medicine and Forensics

P41 Martin Klieber (Insbruck Medical University): [13C]-Dextromethorphan breath test for evaluation of CYP2D6 enzyme activity in patients with breast cancer taking tamoxifen
P42 Christine Lehn (Ludwig-Maximilians-University of Munich): Discovering physiological changes in human bodies by multi element stable isotope analyses along hair strands
P43 Oriol Baltrons (University of Pau): Challenging micro-Liter size samples with hyphenated MC-ICP- MS: application to Cu isotopic analysis for medical purposes

Topic 5: Earth/Planetary Sciences & Biogeochemistry

P51 Marina Spona-Friedl (Helmholtz Zentrum Munich): Heterotrophic 13CO2 Fixation – A new indicator for microbial DOC utilisation?
P52 Andrew Jackson (Texas Tech University): Origin of the Isotopic Composition of Natural Perchlorate: Experimental results for the Impact of Reaction Pathway
P53 Marlene Lavrieux (University of Basel): Spatio-temporal characterization of sediment sources using compound-specific isotope analysis (CSIA) and connectivity modelling in the Baldegg Lake catchment (Switzerland)
P54 Neil Sturchio (University of Delaware): Quadruple-isotope tracing of ClO4- in the environment
P55 Max Giannetta (University of Illinois): A simplified kinetic rate law for characterizing microbial sulfate reduction (MSR) using S isotopes
P56 Rienk Smittenberg (University of Stockholm): Intricacies of organic isotope proxies of past hydroclimate variability
P57 Susanne Stadler (Federal Institute for Geosciences and Natural Resources (BGR), Hannover): Mathematical analysis and numerical modeling for the assessment of semi-quantitative estimation methods of sequential reactive transformation processes using stable isotope analysis

Topic 6: Environmental Chemistry & Microbiology

P61 Almog Gafni (Ben Gurion University of the Negev): New insight on aerobic co-metabolic degradation of TCE using dual element δ13C and δ37Cl isotope analysis
P62 Rani Bakkour (Eawag): From milli- to micro-pollutants: sample preparation of challenging environmental samples for compound-specific isotope analysis
P63 Iris Schilling (Eawag): Tracking biotransformation of hexachlorocyclohexanes by compound-specific isotope analysi
P64 Benno Ehrl (Helmholtz Zentrum Munich): Bioavailability limitations trigger physiological adaptations leading to decreased contaminant degradation rates
P65 Christina Lihl (Helmholtz Zentrum Munich): Comparison of TCE and cis-DCE Reductive Dechlorination with Different Bacterial Cultures via Dual Element Isotope Analysis (δ13C/δ37Cl)
P66 Aileen Melsbach (Helmholtz Zentrum Munich): δ15N Isotope Analysis to Investigate Desphenylchloridazon Degradation: Method Development
P67 Tomasz Kuder (Oklahoma University): Identification of Abiotic Degradation Pathways of Chlorinated Ethenes: Novel Lines of Evidence from Compound-specific Stable Isotope Analysis
P68 Patrick Höhener (University Aix-Marseilles): New reactive transport models for compound-specific stable isotope ratios in groundwater pollutants
P69 Edson Plasencia Sanchez (University of Barcelona): C and H isotopic fractionation to study the role of the catalytic Mediterranean soil components Fe and Ti oxides on benzo(a)pyrene photodegradation under climate change scenario
P610 Violaine Ponsin (University of Neuchatel): Chlorine isotope analysis for evaluating the environmental fate of herbicides: method development and degradation experiment
P611 Clara Torrento (University of Neuchatel): CSIA of pesticides for assessing transformation processes in the vadose zone: method development and long-term lysimeter experiments
P612 Johannes Büsing (University of Tuebingen): Effects of culture composition on stable carbon isotope fractionation of tetrachloroethene by organohalide respiring bacteria
P613 Philipp Martin (University of Tuebingen): Validation of compound specific chlorine isotope analysis by synthesis of 37Cl–enriched tetrachloroethylene
P614 Flora Brocza (University of Vienna): Tracing mercury transformations in a contaminated soil-aquifer system using Hg isotope signatures
P615 Biao Jin (Denish Technical University): Mechanism-based multi-element isotope modeling: An example for 1,2-dibromoethane degradation
P616 Bridget Ulrich (Eawag): Pushing the Limits for Compound-Specific Isotope Analysis of the Non-sensitive Munitions
P617 Richard Robins (University of Nantes): Towards environmental analysis of glucose by isotope ratio monitoring 13C NMR spectrometry

Topic 7: Ecology

P71 Adria Barbeta (CSIC): Relative contribution of groundwater to plant transpiration estimated with stable isotopes
P72 Roxanne Cruz-de Hoyos (UC Berkeley): Plant-water sourcing in a Peruvian tropical montane cloud forest
P73 Jesse Hahm (UC Berkeley): Progressive depletion of stable isotopes recorded in a Mediterranean oak (Q. garryana) as a shallow saturated water source drains, leaving behind tightly held rock moisture
P74 Claire Willing (UC Berkeley): Do different ectomycorrhizal communities result in different hydraulic or nutrient relations in pine seedlings?