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Barbara Wyslouzil

  • Professor, Chemical & Biomolecular Eng
  • Professor, Chemistry and Biochemistry
  • 455 CBEC
    151 W. Woodruff Ave.
    Columbus, OH 43210
  • 614-688-3583



  • B. Sc. (Honors) Mathematics and Engineering, Queens University, 1980
  • M.Sc., Chemical Engineering, University of Alberta, 1985
  • Ph.D., Chemical Engineering (minor: Applied Physics), California Institute of Technology, 1992


Key Honors and Distinctions

  • Editor's Pick, Journal of Chemical Physics, "Overview: Homogeneous nucleation from the vapor phase - The experimental science," October, 2016.

Top Awards

  • OSU College of Engineering Lumley Research Award, 2009
  • Kenneth T. Whitby Award for Outstanding Contributions to Aerosol Science and Technology by a Beginning Scientist, American Association for Aerosol Research, 2002
  • WPI Trustees Award for Outstanding Research and Creative Scholarship, 2001
  • Japan Society for the Promotion of Science Fellowship, 1996
  • National Science Foundation Career Development Award, 1995


RESEARCH AREAS - Wyslouzil Aerosol Laboratory
  • Aerosol Physics, Nucleation, Biomedical Aerosol Applications.
  • Graduate student research opportunities are currently available.


Our research projects all contain some aspect or application of aerosol science. Currently we are conducting experiments to probe the microstructure and composition of nanodroplets, and to measure nucleation rates in supersonic nozzles. Models of multicomponent condensation in supersonic flows complement the experimental work. Our group is also active in developing biological and biomedical applications of aerosol science.

Nanodroplet Structure
Even in the liquid state, the composition of multicomponent nanometer-sized droplets is highly non-uniform despite their small size and the relatively short diffusion times.  Surface enrichment in aerosols affects the heterogeneous chemistry of aerosol particles as well as nucleation, growth and evaporation kinetics. Our research group uses small angle neutron scattering (SANS) and tunable laser diode absorption spectroscopy (TDLAS) to probe the structure and composition of nanodroplets in order to develop a better understanding of how molecules segregate within aerosol droplets.

Nucleation and Condensation
In most industrial applications and in the atmosphere, more than one condensible species is present, and the rates of new particle formation and growth may be severely under predicted if interactions between the species are ignored. In our group we use a continuous flow supersonic nozzle apparatus to explore nucleation, condensation, and aerosol evolution at supersaturations and expansion rates that are comparable to those found in turbomachinery, jet exhausts, and steam turbines. By conducting small angle neutron scattering and pressure trace experiments, nucleation rates can be measured that are 6 – 8 orders of magnitude higher than in any other type of equipment.

Biomedical Applications
Our research group also collaborates actively with colleagues on bio-related aerosol problems. Our current research focuses on developing aerosol based delivery systems for tissue therapy.



  • 20090401

    Lumley Research Award.

  • 20020101

    Kenneth T. Whitby Award for Outstanding Contributions to Aerosol Science and Technology by a Beginning Scientist.

  • 20010101

    WPI Trustees Award for Outstanding Research and Creative Scholarship.

  • 19960101


  • 19950101

    NSF Career Award.