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Recent Research Projects (at Univ. Oklahoma)

2020-present. Development of Protocols to Quantify Abiotic Transformation Rates and Mechanisms for Chlorinated Ethenes in Water Supply Aquifers. Sponsor: US DoD/SERDP. 

2016-2019.  Investigation of the environmental fate of brominated organic contaminants by advancing three-dimensional δ13C- δ2H- δ81Br compound-specific isotope analysis; Sponsor: United States-Israel Binational Science Foundation (BSF) Bernstein et al., 2019. Microbial oxidation of tri-halogenated phenols - multi-element isotope fractionation. International Biodeterioration & Biodegradation. Volume 145, November 2019, 104811; Kuder et al., 2018. Derivatization-free method for compound-specific isotope analysis of nonexchangeable hydrogen of 4-bromophenol. Rapid Communications in Mass Spectrometry, 33 (7), 667-677; Golan et al., 2019. Degradation of 4-bromophenol by Ochrobactrum sp. HI1 isolated from desert soil: pathway and isotope effects. Biodegradation, 30 (1), 37-4.

2016-2020. Identification of Abiotic Degradation Pathways of Chlorinated Ethenes by Compound-Specific Stable Isotope Analysis. Sponsor: US DoD/SERDP. Kuder and Ojeda, 2023. Hydrogen Isotope Exchange between Trichloroethene and Water under Mild Environmental Conditions─Implications for the Use of Hydrogen CSIA in Contaminated Site Assessment. ACS EST Water 2023, 3, 712–719. 

2013-2018. Monitored Natural Attenuation and Biostimulation for In Situ Treatment of 1,2-Dibromoethane (EDB). Sponsor: US DoD/ESTCP. Koster van Groos et al. 2018. Carbon isotope fractionation of 1,2-Dibromoethane by biological and abiotic processes. Environmental Science & Technology, 52, 3440-3448.

2010-2016. Integrated Stable Isotope-Reactive Transport Model Approach for Assessment of Chlorinated Solvent Degradation. Sponsor: US DoD/ESTCP. Thouement et al., 2019. Do CSIA data from aquifers inform on natural degradation of chlorinated ethenes in aquitards? Journal of Contaminant Hydrology; 226:103520; Van Breukelen et al., 2017. Modeling 3D-CSIA data: Carbon, chlorine, and hydrogen isotope fractionation during reductive dechlorination of TCE to ethene. Journal of Contaminant Hydrology, 204, 79-89; Kuder et. al. 2013. 3D-CSIA: carbon, chlorine, and hydrogen isotope fractionation in transformation of TCE to ethene by a Dehalococcoides culture. Environmental Science & Technology, 47, 9668–9677.

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