Dr. Ann Dillner is an Associate Director of analytical research at the Air Quality Research Center and a Cooperative Extension Specialist at the College of Agricultural and Environmental Sciences. Dr. Hillner’s research focuses on identifying pollution sources, assessing health impacts, studying visibility degradation, and understanding climate forcing.

Positions at UC Davis

• Associate Director of Analytical Research at Air Quality Research Center
• Cooperative Extension Specialist, College of Agricultural and Environmental Sciences

Major Research Papers

Anunciado, M.B., De Boskey, M., Haines, L., Lindskog, K., Dombek, T., Takahama, S., Dillner, A. M., Stability assessment of organic sulfur and organosulfate compounds in filter samples for quantification by Fourier Transform-Infrared Spectroscopy, Atmos. Meas. Tech., in revision.

Liu, F., Joo, T., Ditto, J. C., Saavedra, M. G., Takeuchi, M., Boris, A. J., Yang, Y., Weber, R. J., Dillner, A. M., Gentner, D. R., Ng, N. L., Oxidized and unsaturated: key traits associated with cellular reactive oxygen species production from organic aerosol exposure in the southeastern United States, Sci Adv, in revision, 2023.

Jordan, Carolyn E., Bruce E. Anderson, John D. Barrick, Dani Blum, Kathleen Brunke, Jiajue Chai, Gao Chen, Ewan C. Crosbie, Jack E. Dibb, Dillner, Ann M., Emily Gargulinski, Charles H. Hudgins, Emily Joyce, Jackson Kaspari, Robert F. Martin, Richard H. Moore, Rachel O’Brien, Claire E. Robinson, Gregory L. Schuster, Taylor J. Shingler, Michael A. Shook, Amber J. Soja, Kenneth L. Thornhill, Andrew T. Weakley, Elizabeth B. Wiggins, Edward L. Winstead, and Luke D. Ziemba, Beyond the Ångström Exponent: Probing Additional Information in Spectral Curvature and Variability of in situ Aerosol Hyperspectral (0.3-0.7 µm) Optical Properties, Journal of Geophysical Research: Atmospheres, 127, e2022JD037201, https://doi. org/10.1029/2022JD037201, 2022.

Debus,  B., Weakley, A. T., Takahama, S., George, K. M., Schichtel, B., Copeland, S., Wexler, A. S., Dillner, A. M., Quantification of major particulate matter species from a single filter type using infrared spectroscopy – Application to a large-scale monitoring network, Atmos. Meas. Tech., 15, 2685–2702, https://doi.org/10.5194/amt-15-2685-2022, 2022.

Yazdani, A., Dudani, N., Takahama, S., Bertrand, A., Prévôt, A. S. H., El Haddad, I., and Dillner, A. M., Fragment ion-functional group relationships in organic aerosols using aerosol mass spectrometry and mid-infrared spectroscopy, Atmos. Meas. Tech., 15, 2857–2874, https://doi.org/10.5194/amt-15-2857-2022, 2022