Portrait of Patrick Cappa
Lab Chemist, NSRL 14CSenior Professional Research Assistant
• Wet lab chemistry • Isotope chemistry • Geochronology

AMS Radiocarbon Lab


Isotope chemistry applications in climatology, paleoclimatology, oceanography, archeology, and evolutionary biology.

Wet lab chemistry, isotope chemistry, maintenance and production of primary and secondary hOX radiocarbon standards and various other radiocarbon standards, lab glassblower, lab archivist.


  • BA: University of Colorado Boulder, 2006


Selected publications

John F. Hoffecker, Holliday, V. T., Nehoroshev, P., Vishnyatsky, L., Otcherednoy, A., Salnaya, N., Goldberg, P., Southon, J., Scott J. Lehman, Patrick Cappa, Giaccio, B., Forman, S. L., Quade, J. 2019: The dating of a Middle Paleolithic blade industry in Southern Russia and its relationship to the Initial Upper Paleolithic. Journal of Paleolithic Archaeology, 2(4): 381-417. DOI: 10.1007/s41982-019-00032-6

Cappa, J. J., Yetter, C., Fakra, S., Patrick Cappa, DeTar, R., Landes, C., Pilon-Smits, E. A. H., Simmons, M. P. 2015: Evolution of selenium hyperaccumulation in Stanleya (Brassicaceae) as inferred from phylogeny, physiology and X-ray microprobe analysis. New Phytologist, 205(2): 583-595. DOI: 10.1111/nph.13071

Cappa, J. J., Patrick Cappa, El Mehdawi, A. F., McAleer, J. M., Simmons, M. P., Pilon-Smits, E. A. H. 2014: Characterization of selenium and sulfur accumulation across the genus Stanleya (Brassicaceae): A field survey and common-garden experiment. American Journal of Botany, 101(5): 830-839. DOI: 10.3732/ajb.1400041