The Ng research group in the School of Chemical & Biomolecular Engineering at Georgia Tech performs work in aerosol chemistry, which includes the formation and evolution of atmospheric aerosols, the chemistry and life cycles (sources, processes, and fates) of ambient aerosols, the development and characterization of advanced aerosol instrumentation, and the health effects of aerosols.



  • We are recruiting graduate students to join our team in Fall 2023. If you are interested and/or have questions, please reach out to Dr. Ng.





      ChBE press release "Research Study Finds Unexpected Interactions in Formation of Secondary Organic Aerosol in                            Atmosphere"
      ChBE press release "Georgia Tech Researchers Study Methods for Assessing Classroom Air Quality during COVID-19                         Pandemic"
      ChBE press release "Nga Lee "Sally" Ng Awarded Love Family Professorship"
      Georgia Tech press release ASCENT "$12 Million NSF Grant Will Establish Nationwide Atmospheric Measurement Network"
      ChBE press release "Study Shows that Electronic Air Cleaning Technology Can Generate Unintended Pollutants"
      WHYY article "What researchers are learning about air pollution and the pandemic shutdown"
      Georgia Tech press release "Covid-19 Mask Study Finds Layering, Material Choice Matter"
      NOAA feature "Sharing the joy of science through academia and aerosols"
      WABE-FM feature "Georgia Tech Study Shows Aircraft Cabins May Have Fewest Indoor Air Pollutants"
      Georgia Tech press release "Indoor Air Quality Study Shows Aircraft in Flight May Have Lowest Particulate Levels"
      C&EN article on "COVID-19 lockdowns had strange effects on air pollution across the globe"
      ChBE press release "Professor Sally Ng Monitoring Air Quality in Georgia Tech Classrooms"
      Georgia Tech press release "Improving Air Quality in the Classroom"
      Big Picture Science radio show "Something in the Air"
      NYT article "Pandemic’s Cleaner Air Could Reshape What We Know About the Atmosphere"
      AJC article "With fewer cars and a pandemic, Atlanta’s air quality improves"
      College of Engineering press release "Georgia Tech Engineers and Scientists on 2019 Highly Cited Researcher List"
      College of Science ScienceMatters Podcast "Clearing the Air About Aerosol Science"
      College of Science press release "Sally Ng: 2019 Outstanding Achievement in Early Career Research Award"
      ChBE press release "ChBE Professors Win 2019 Georgia Tech Faculty Awards"
      ChBE press release "ChBE professors among Most Highly Cited"
      ChBE Feature "Influential Research at CHBE"
      DOE Feature Article "From Leaves to Clouds: Revealing How Trees’ Emissions Shape The Air Around Us"
      ChBE press release "Professor Ng Wins Award from Dreyfus Foundation"
      ChBE press release "Sally Ng Named Among World's Most Highly Cited Researchers"
      College of Science press release "Georgia Tech Faculty in 2017 Highly Cited Researchers List"
      College of Science press release "Summer workshops in EAS is another step toward joint degree program"
      ChBE press release "Sally Ng Wins 2016 Whitby Award for Aerosol Research"
      College of Science press release "Rodney Weber and Sally Ng Win 2016 Aerosol Research Awards"
      ESPN Feature "Georgia Tech Environmental Chamber Facility"
      ChBE Front Page "Ng Wins NSF CAREER Award"
      Georgia Tech "Research Horizions" magazine "Arboreal Partners in Pollution"
      Georgia Tech press release "Man-made pollutants significantly influence how tree emissions form aerosol particles"
      Georgia Tech press release "New technology tracks tiniest pollutans in real time"
      College of Engineernig press release "Sally Ng (ChBE and EAS) wins 2013 Walter A. Rosenblith New Investigator Award"
      Southern Oxidant and Aerosols Study (SOAS), Georgia Tech Front Page "Six Weeks in the Forest"
      College of Engineernig press release "ChBE's Nga Lee "Sally" Ng Recevies EPA STAR Early Career Award"
      ChBE Front Page "New Lab for Aerosol Studies"
      Debut Issue of "Georgia Tech Engineers" magazine and Georgia Tech Front Page "In the Air We Breathe"


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