Research Summary
Heterogeneous processes in the environment, and more specifically those related to atmospheric science; interaction of radiation with aerosol particles, the processing of aerosol particles in the environment, interactions between aerosol particles and clouds; and indirect impacts of aerosol particles on climate, which are currently not well characterized.
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Research Keywords
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Projects
Recent Publications
Significance of the surface silica/alumina ratio and surface termination on the immersion freezing of ZSM-5 zeolites
Marak, K. E., Nandy, L., Jain, D. & Freedman, M. A., Mar 29 2023, In: Physical Chemistry Chemical Physics. 25, 16, p. 11442-11451 10 p.Research output: Contribution to journal ⺠Article ⺠peer-review
The use of transmission electron microscopy with scanning mobility particle size spectrometry for an enhanced understanding of the physical characteristics of aerosol particles generated with a flow tube reactor
Tackman, E. C., Higgins, D. N., Kerecman, D. E., Ott, E. J. E., Johnston, M. V. & Freedman, M. A., 2023, In: Aerosol Science and Technology. 57, 4, p. 279-295 17 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Silica as a Model Ice-Nucleating Particle to Study the Effects of Crystallinity, Porosity, and Low-Density Surface Functional Groups on Immersion Freezing
Marak, K. E., Roebuck, J. H., Chong, E., Poitras, H. & Freedman, M. A., Sep 8 2022, In: Journal of Physical Chemistry A. 126, 35, p. 5965-5973 9 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Effects of mixing state on water-uptake properties of ammonium sulfateâOrganic mixtures
Razafindrambinina, P. N., Malek, K. A., DiMonte, K., Dawson, J. N., Raymond, T. M., Dutcher, D. D., Freedman, M. A. & Asa-Awuku, A. A., 2022, In: Aerosol Science and Technology. 56, 11, p. 1009-1021 13 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Hygroscopicity of internally mixed ammonium sulfate and secondary organic aerosol particles formed at low and high relative humidity
Razafindrambinina, P. N., Malek, K. A., Dawson, J. N., DiMonte, K., Raymond, T. M., Dutcher, D. D., Freedman, M. A. & Asa-Awuku, A., Jan 4 2022, In: Environmental Science: Atmospheres. 2, 2, p. 202-214 13 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Direct measurement of the pH of aerosol particles using carbon quantum dots
Tackman, E. C., Grady, R. S. & Freedman, M. A., Jul 12 2022, In: Analytical Methods. 14, 30, p. 2929-2936 8 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Ice nucleation activity of iron oxidesviaimmersion freezing and an examination of the high ice nucleation activity of FeO
Chong, E., Marak, K. E., Li, Y. & Freedman, M. A., Feb 7 2021, In: Physical Chemistry Chemical Physics. 23, 5, p. 3565-3573 9 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Dynamics of Liquid-Liquid Phase Separation in Submicrometer Aerosol
Kucinski, T. M., Ott, E. J. E. & Freedman, M. A., May 27 2021, In: Journal of Physical Chemistry A. 125, 20, p. 4446-4453 8 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Influence of Ions on the Size Dependent Morphology of Aerosol Particles
Ott, E. J. E. & Freedman, M. A., Sep 16 2021, In: ACS Earth and Space Chemistry. 5, 9, p. 2320-2328 9 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Use of Transmission Electron Microscopy for Analysis of Aerosol Particles and Strategies for Imaging Fragile Particles
Ott, E. J. E., Kucinski, T. M., Dawson, J. N. & Freedman, M. A., Aug 24 2021, In: Analytical Chemistry. 93, 33, p. 11347-11356 10 p.Research output: Contribution to journal ⺠Review article ⺠peer-review
Efficacy of oil and gas produced water as a dust suppressant
Stallworth, A. M., Chase, E. H., McDevitt, B., Marak, K. K., Freedman, M. A., Wilson, R. T., Burgos, W. D. & Warner, N. R., Dec 10 2021, In: Science of the Total Environment. 799, 149347.Research output: Contribution to journal ⺠Article ⺠peer-review
Direct Comparison of the Submicron Aerosol Hygroscopicity of Water-Soluble Sugars
Dawson, J. N., Malek, K. A., Razafindrambinina, P. N., Raymond, T. M., Dutcher, D. D., Asa-Awuku, A. A. & Freedman, M. A., Dec 17 2020, In: ACS Earth and Space Chemistry. 4, 12, p. 2215-2226 12 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Liquid-Liquid Phase Separation in Supermicrometer and Submicrometer Aerosol Particles
Freedman, M. A., Jun 16 2020, In: Accounts of Chemical Research. 53, 6, p. 1102-1110 9 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Flash Freeze Flow Tube to Vitrify Aerosol Particles at Fixed Relative Humidity Values
Kucinski, T. M., Ott, E. J. E. & Freedman, M. A., Apr 7 2020, In: Analytical Chemistry. 92, 7, p. 5207-5213 7 p.Research output: Contribution to journal ⺠Article ⺠peer-review
Effects of Sucrose on Phase Transitions of Organic/Inorganic Aerosols
Ott, E. J. E., Tackman, E. C. & Freedman, M. A., Apr 16 2020, In: ACS Earth and Space Chemistry. 4, 4, p. 591-601 11 p.Research output: Contribution to journal ⺠Article ⺠peer-review