Invited Talks

  1. Advancing aerobiome characterization using a portable bioaerosol collector, Edgewood Chemical and Biological Center, presentation to the Joint Program Manager (JPM), November 14 2020.
  2. Low-cost, networked sensing of air quality and application for bio-aerosol studies, Invited Seminar, Defense Threat Reduction Agency (DTRA), November 2019.
  3. Characterization of particle interaction with non-ideal surfaces: Role of particle properties, surface roughness, and humidity, DTRA, December 2018
  4. Air pollution: Sources, human health implications, and measurement technologies, 8th Ford Product Development Guest Lecture, Chennai, India, November 2, 2016.
  5. New sensors for large-scale air quality monitoring, Chemical Engineering Department seminar, Indian Institute of Technology Madras, Chennai, India, October 26, 2016.
  6. Climate change: Scientific background and Policy Implications, Environmental Health Engineering Department seminar, Sri Ramachandra University, Chennai, India, October 20, 2016.
  7. Air pollution: A historical perspective and future challenges, Environment and Water Resources Engineering Department Seminar, Indian Institute of Technology Madras, Chennai, India, Sept 16, 2016.
  8. Aerosol Measurements in Clouds: Development of an aircraft-based sampling system, Department Seminar, Civil and Environmental Engineering, Clarkson University, Potsdam, NY, Feb 2014.
  9. Aerosol Filtration: Measurement, Modeling, and Application to Atomic Layer Deposition (ALD), Pall Corporation, Port Washington, NY, October 2013.
  10. Aircraft-based Aerosol Measurements in Clouds: Engineering Challenges and Solutions, Department Seminar, Mechanical and Aerospace Engineering, University at Buffalo, Buffalo, NY, Oct 2012.
  11. Aerosol measurements and modeling at meso-spatial scales, Defense Threat Reduction Agency (DTRA), Fort Belvoir, VA, Jan 18, 2012.
  12. Tutorial, Nanoparticle Instrumentation, American Association for Aerosol Research Conference, Orlando, FL, October 2011.
  13. Measurements of cookstove emissions in rural Indian homes, National Center for Atmospheric Research (NCAR), Boulder, CO, July 15, 2009.
  14. Ultrafine aerosols studies: Measurements in ambient Chennai and rural TN homes, Chemical Engineering Department Seminar, Indian Institute of Technology Madras, Chennai, India, April 23, 2009.
  15. Aerosol fundamentals and measurements, Environmental Health Engineering Department, Sri Ramachandra University, Chennai, India, Feb 12, 2009.
  16. New Electrical Mobility Techniques for Nano-aerosol Measurements, Chemical Engineering Department Seminar, Indian Institute of Technology Madras, Chennai, India, Jan 29, 2009.
  17. Towards near real-time ultrafine size distribution measurements using scanning electrical mobility technique, Earth Observing Laboratory Seminar, National Center for Atmospheric Research, Boulder, CO, July 2008.
  18. Measurement and modeling of aerosol particle populations: An overview, Science and Engineering Council, SC Johnson, Racine, WI, June 2008.
  19. Compact instruments for nanoparticle measurements, ASTM Johnson Conference on Workplace Aerosol Monitoring, Burlington, VT, July16-20, 2007.
  20. New electrical mobility techniques, Hiroshima University, Japan, July 2007
  21. Aerosol sampling characteristics and particle filtration techniques: A review, Elevated Wind Studies International Conference, Arlington, VA, Sept 2006.
  22. New Techniques for NanoAerosol Characterization, Chemical Engineering Department, Indian Institute of Technology Madras, Chennai, India, June 2006.
  23. Aerosols and the Environment, Mechanical Engineering Department, Anna University, Chennai, TN, India, Jan 2005.
  24. Aerosol sampling from high-speed aircraft, Brookhaven National Laboratory, NY, May 2004.
  25. Polar Stratospheric Clouds: Aerosol Sampling from High Speed Aircraft, Chemical Engineering Department, Clarkson University, Feb 2004
  26. Aerosol/gas sampling from high-speed aircraft, Department Seminar, Mechanical Engineering, LSU, Baton Rouge, Oct 2003.
  27. Aerosol Modeling at Clarkson, Aerosol Research Group at the Army Research Lab, Aberdeen, MD, May 2003.
  28. A novel aerosol/gas inlet for sampling semi-volatiles from a high-speed aircraft, Aerodyne Research Inc, MA, March 2002.
  29. A novel aerosol/gas inlet for sampling semi-volatiles from a high-speed aircraft, Mechanical Engineering, Clarkson University, Potsdam, NY, Feb 2002.