Associate Professor
AEC 262
(610) 330-3291


  • Ph.D., Chemical Engineering, Columbia University
  • B.S., Chemical Engineering, Columbia University

Teaching Areas

  • Thermodynamics
  • Process Control
  • Integrated Chemical Engineering / Experimental Design I
  • Atmospheric Engineering and Chemistry
  • First Year Seminar

Research Interests

  • Atmospheric chemistry, focusing primarily on reactive uptake of volatile organic compounds onto inorganic atmospheric aerosols.
  • Computational prediction of aqueous secondary organic aerosol (SOA) mass formation under ambient conditions
  • Characterization of aerosol physical property changes due to formation of surface-active and light-absorbing species via photo-oxidation and aerosol aging

Selected Publications

  • “Modeling of Carbonyl/Ammonium Sulfate Aqueous Brown Carbon Chemistry via UV/Vis Spectral Decomposition.” M FanS MaN FerdousiZ Dai, JL Woo. Atmosphere 11(4), 358-373 (2020). (Link to paper)
  • “In Situ Surface Tension Measurements of Hanging Droplet Methylglyoxal/Ammonium Sulfate Aerosol Mimics under Photooxidative Conditions” T Beier, ER Cotter, MM Galloway, and JL Woo. ACS Earth and Space Chem. 3 (7) 1208-1215 (2019). (Link to paper)
  • “Impact of Aerosol-Cloud Cycling on Aqueous Secondary Organic Aerosol Formation” Tsui, W.G., Woo, J.L., McNeill, V.F. Atmosphere 10(11), 666 (2019) (Link to paper)
  • “Concept for an electrostatic focusing device for continuous ambient pressure aerosol concentration” JL Woo, N Sareen, AN Schwier, and VF McNeill, Atmos. Meas. Tech. 12, 3395-3402 (2019). (Link to paper)
  • “simpleGAMMA 1.0 – A reduced model of secondary organic aerosol formation in the aqueous aerosol phase (aaSOA)” JL Woo and VF McNeill, Geosci. Model. Dev. 8, 1821-1829 (2015)  (Link to paper)
  • “Aqueous aerosol SOA formation: Impact on aerosol physical properties” JL Woo, DD Kim, AN Schwier, R Li and VF McNeill. Faraday Discuss., 165, 357-367 (2013). (Link to paper)
  • “Aqueous-phase Secondary Organic Aerosol and Organosulfate Formation in Atmospheric Aerosols: A Modeling Study” VF McNeill, JL Woo, DD Kim, AN Schwier, NJ Wannell, AJ Sumner, JM Barakat. Environ. Sci. Technol.,  46 (15), 8075–8081 (2012). (Link to paper)

* Bold names denote Lafayette College undergraduate research students.