ANTHONY WEXLER

Single particle mass spectrometers first became practical for atmospheric applications in the early 1990's. Significant progress has been made in their development and deployment since. This talk will review general single-particle mass spectrometer operating principles, especially related to our ultrafine single particle instrument, how we have used it with other instruments in field campaigns to understand a range of atmospheric properties and processes, and a new application for toxicology that we just fielded for the first time.

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Anthony Wexler is a professor of Mechanical and Aerospace Engineering, Civil and Environmental Engineering, and Land, Air and Water Resources at the University of California, Davis. He is also Director of the campus's Air Quality Research Center and Crocker Nuclear Laboratory, and EPA's San Joaquin Valley Aerosol Health Effects Research Center. He is interested in the physical and chemical processes that transport and transform particles in the atmosphere and lead to their influence on human health effects and global climate change.