O'Day 

Professor
School of Natural Sciences

Office Phone: 209-228-4338
Email: poday@ucmerced.edu

Research Interests: 

O´Day´s research is in the area of mineral-aqueous interface geochemistry as it relates to the chemistry and mobility of inorganic chemical species in the environment. She applies a variety of spectroscopic and microscopic techniques, in particular synchrotron X-ray methods, to studies of contaminant cycling, bioavailability, and remediation in natural systems.

Current research projects include:

• Arsenic speciation, cycling, and bioavailability
• Redox controls on mercury speciation and methylation
• Novel methods for remediation of soils and sediments through application of reactive amendments
• Strontium and cesium uptake and release by weathering products related to radionuclide contamination at Hanford,WA
• Mechanisms and rates of abiotic and biotic uranium oxidation linked to nitrogen and iron cycling