Washington University in St. Louis has a core group of six faculty who are mainstream aerosol researchers, and work on different aspects related to Aerosol Science and Engineering. This nationally and internationally recognized group of scientists, one of the largest groups in U. S. universities, studies the synthesis and environmental impact of nanoparticles, atmospheric pollution at the regional and global scales, and develops the next generation of instrumentation for detection of these particles, as well as several environmental nanotechnology applications.
Biswas was part of a special colloquium, "Research in Aerosols and Air Quality, " held March 2, 2004 , at Washington University. The event was organized under the university's Sesquicentennial Environmental Initiative wherein world renowned researchers reported the latest findings in the aerosol engineering field. The colloquium, was part of a series of environmental dialogues held in honor of Washington University's 150th anniversary.