Sessions, Alex L.

Committee Member — 41 thesises

• Thalhammer, Korbinian O. — A Physicochemical Approach to Determining the Functions of Microbial Phenazine Metabolites (2026, Dissertation (Ph.D.))
• Zhang, Yi — Application of Heterojunction Ni-Sb-SnO₂ Anodes for Electrochemical Water Treatment (2023, Dissertation (Ph.D.))
• Wildman, Richard Alan — Biogeochemical Implications of Changing Groundwater and Surface Water Hydrology at Lake Powell, Utah and Arizona, and the Merced River, California, USA (2009, Dissertation (Ph.D.))
• Mueller, Elliott Patrick — Carbon Currencies: Isotopic Constraints on the Biogeochemistry of Organic Acids (2024, Dissertation (Ph.D.))
• Dion-Kirschner, Hannah Henning — Carbon in Flux: Measuring the Climate Sensitivity of Terrestrial Greenhouse Gas Uptake (2025, Dissertation (Ph.D.))
• Guo, Weifu — Carbonate Clumped Isotope Thermometry: Applications to Carbonaceous Chondrites and Effects of Kinetic Isotope Fractionation (2009, Dissertation (Ph.D.))
• Subhas, Adam Vinay — Chemical Controls on the Dissolution Kinetics of Calcite in Seawater (2017, Dissertation (Ph.D.))
• Lloyd, Max Kaufmann — Clumped and Intramolecular Isotopic Perspectives on the Behavior of Organic and Inorganic Carbon in the Shallow Crust and Deep Biosphere (2018, Dissertation (Ph.D.))
• Ricci, Jessica Nicole — Constraining the Interpretation of 2-Methylhopanoids through Genetic and Phylogenetic Methods (2015, Dissertation (Ph.D.))
• Slotznick, Sarah Pearl — Coupling Textural, Magnetic, and Modeling Techniques to Understand Precambrian Paleoenvironments (2016, Dissertation (Ph.D.))
• Dekas, Anne Elizabeth — Diazotrophy in the Deep: An Analysis of the Distribution, Magnitude, Geochemical Controls, and Biological Mediators of Deep-Sea Benthic Nitrogen Fixation (2013, Dissertation (Ph.D.))
• Wang, Ying — Equilibrium ²H/¹H Fractionations in Organic Molecules (2010, Dissertation (Ph.D.))
• Betts, Makayla Nicole — Exploring the Preservation of Biosignatures in Extreme Environments (2026, Dissertation (Ph.D.))
• Yang, Wanwan — Fast Viability Assessment of Clostridium Spores: Survival in Extreme Environments (2010, Dissertation (Ph.D.))
• Zeichner, Sarah Soojin — Fates of Carbon (2024, Dissertation (Ph.D.))
• Kopf, Sebastian Hermann — From Lakes to Lungs: Assessing Microbial Activity in Diverse Environments (2015, Dissertation (Ph.D.))
• Wang, Renée Zurui — From Photosynthesis to Detoxification: Microbial Metabolisms Shape Earth’s Surface Chemistry (2024, Dissertation (Ph.D.))
• Silverman, Shaelyn Nicole — From Pure Cultures to Particles: Tracing Microbial Metabolism Through Amino Acid ²H/¹H Ratios (2025, Dissertation (Ph.D.))
• Zhang, Xinning — I. Formate Dehydrogenase Gene Diversity in Lignocellulose-Feeding Insect Gut Microbial Communities. II. Metabolic Impacts on the Hydrogen Isotope Content of Bacterial Lipids (2010, Dissertation (Ph.D.))
• Dallas, Brooke Hillary — Intermolecular and Intramolecular Stable Isotope Studies in Alanine (2024, Dissertation (Ph.D.))
• Kwan, Alan Jake-Man — Investigating Sources and Sinks of Organic Aerosols: NO₃-initiated Oxidation of Isoprene and Heterogeneous Oxidation of Organic Aerosol (2011, Dissertation (Ph.D.))
• Tookmanian, Elise M. — Investigation of the Roles of Hopanoids in the Lifecycle of Bradyrhizobium diazoefficiens in the Context of Climate Change (2022, Dissertation (Ph.D.))
• Mendez, Jeffrey Michael — Iron and Manganese in the Ocean: Investigation of Atmospheric Input by Dust and Coastal Ocean Time Series (2008, Dissertation (Ph.D.))
• Osburn, Magdalena Rose — Isotopic Proxies for Microbial and Environmental Change: Insights from Hydrogen Isotopes and the Ediacaran Khufai Formation (2013, Dissertation (Ph.D.))
• Bosak, Tanja — Laboratory Models of Microbial Biosignatures in Carbonate Rocks (2005, Dissertation (Ph.D.))
• Johnson, Jena Elaine — Manganese: Minerals, Microbes, and the Evolution of Oxygenic Photosynthesis (2015, Dissertation (Ph.D.))
• Osorio Rodríguez, Daniela — Microbial Transformations of Sulfur: Environmental and (Paleo) Ecological Implications (2023, Dissertation (Ph.D.))
• Trembath-Reichert, Elizabeth — Molecular and Geochemical Insights into Microbial Life Centimeters to Kilometers Below the Seafloor (2016, Dissertation (Ph.D.))
• Stolper, Daniel Aaron — New Insights into the Formation and Modification of Carbonate-Bearing Minerals and Methane Gas in Geological Systems using Multiply Substituted Isotopologues (2014, Dissertation (Ph.D.))
• Wu, Xunyi — Novel, Rapid and Cost-effective Methods for Concentration, Detection and Monitoring of Waterborne Pathogens in Resource-Limited Settings (2021, Dissertation (Ph.D.))
• Raven, Morgan Reed — Organic Matter Sulfurization in the Modern Ocean (2016, Dissertation (Ph.D.))
• Chimiak, Laura Marie — Prebiotic Fingerprints (2021, Dissertation (Ph.D.))
• Xie, Hao — Road to Equilibrium: Stable Isotope Distribution in Gaseous Alkanes and Thermal History of Geological Hydrocarbons (2021, Dissertation (Ph.D.))
• Piasecki, Alison Martha — Site-Specific Isotopes in Small Organic Molecules (2015, Dissertation (Ph.D.))
• Smith Downey, Nicole V. — Soil Uptake of Molecular Hydrogen and Remote Sensing of Soil Freeze and Thaw (2007, Dissertation (Ph.D.))
• Phillips, Alexandra Atlee — Sulfur Cycling in the Water Columns of Lakes and Oceans (2021, Dissertation (Ph.D.))
• Johnson, Daniel Lee — Sulfur Isotopic Insights into the Modern and Ancient Marine Sulfur Cycles (2021, Dissertation (Ph.D.))
• Dong, Guannan — Taking the Pulse of Life: Intramolecular and Clumped Isotopic Perspectives on the Origins and Evolution of Hydrocarbons in Geological and Prebiotic Systems (2024, Dissertation (Ph.D.))
• Lim, Sujung — The Impact of Energy Availability and Substrate Complexity on Anaerobic Microbial Communities in Marine Sediment (2024, Dissertation (Ph.D.))
• Chen, Sang — Understanding Geochemical Tracers in Deep-Sea Corals from a Biomineralization Perspective (2019, Dissertation (Ph.D.))
• Eltgroth, Selene Farrell — Unraveling Deep-Ocean Connections to Climate with Deep-Sea Coral Records of Radiocarbon and Cd/Ca (2006, Dissertation (Ph.D.))