Professor Biswas's research and educational interests include aerosol science and engineering; nanoparticle technology; air quality engineering; environmentally benign energy production; combustion; materials processing for environmental technologies, environmentally benign processing, environmental nanotechnology, public health, and the thermal sciences. Work is conducted through the world renowned Aerosol and Air Quality Research Laboratory (AAQRL). His research is funded by the National Science Foundation, US Department of Energy, National Institutes of Health, Environmental Protection Agency and Industry.