Cliff T. Johnston

Cliff T. Johnston Profile Picture

Professor of Agronomy
B.Sc. University of California, Riverside (1979) Chemistry Ph.D. University of California, Riverside (1983) Soil Chemistry. Postdoctoral Fellow. (1983 - 1985) Los Alamos National Laboratory

Contact Info:

Training Group(s):
Microbiology, Immunology and Infectious Diseases
Biomolecular Structure and Biophysics

PULSe Contributor - not currently hosting students for laboratory rotations or recruiting students in the laboratory

Current Research Interests:

Research interests are focused on understanding the surface chemistry of soil and environmental particles in the broader context of biosphere science. Using optical, laser-based, and structural methods we study soil and environmental particles and the interaction of both natural and anthropogenic compounds with soil and environmental particles. Current research projects range from fundamental studies of clay minerals and hydrous oxides to earthworms, carbon sequestration and emission, environmental fate and transport of antibiotics, aryl hydrocarbon receptor ligands (e.g, dioxins) and pesticides in soil.

Selected Publications:

Johnston, C. T., Liu, C., Li, H., Teppen, B. J., & Boyd, S. A. (2009). Mechanisms Associated with the High Adsorption of Dibenzo-p-dioxin from Water by Smectite Clays. Environ. Sci.& Technol., 43(8), 2777-2783.

Johnston, C. T., Rana, K., Boyd, S. A., Teppen, B. J., Li, H., & Liu, C. (2009). Probing the microscopic hydrophobicity of smectite surfaces. A vibrational spectroscopic study of dibenzo-p-dioxin sorption to smectite. Physical Chemistry Chemical Physics, 11(15), 2976-2985.

Johnston, C. T., Goldberg, S. A., Suarez, D. L., & Lesch, S. M. (2008). Mechanisms of molybdenum adsorption on soil minerals evaluated using vibrational spectroscopy and surface complexation modeling. Adsorption of Metals by Geomedia II (235-266). Elsevier.

Johnston, C. T., Elzea-Kogel, J., Bish, D. L., & Murray, H. H. (2008). Low temperature FTIR study of structural disorder in kaolin group minerals. Clays and Clay Minerals, 56(4), 470-485.

Johnston, C. T., Szabo, T., Mitea, R., Leeman, H., Premachandra, G. S., Szekeres, M., Dekany, I., & Schoonheydt, R. A. (2008). Adsorption of protoamine and papain proteins on saponite. Clays and Clay Minerals, 56(5), 494-504.

Johnston, C. T., Haack, E. A., & Maurice, P. A. (2008). Mechanisms of hydroxamic acid siderophore sorption to homoionic smectite and siderophore-enhanced release of structural Fe3+. Geochimica et Cosmochimica Acta, 72(14), 3381-3397.

Johnston, C. T., Filley, T. R., McCormick, M. K., Crow, S. E., Szlavecz, K., Whigham, D. F., & van den Heuvel, R. N. (2008). Comparison of the chemical alteration trajectory of liriodendron tulipifera litter among forests with different invasive earthworm activity. J. Geophysical Research – Biogeosciences, 113.

Johnston, C. T., Santagata, M., Bobet, A., & Hwang, J. (2008). One-dimensional compression behavior of a highly organic soil. J. of Geotechnical and Geoenvironmental Engineering, 134(1), 1-13.

Johnston, C. T., Pereira, T. R., Laird, D. A., Thompson, M. L., Teppen, B. J., Li, H., & Boyd, S. A. (2008). Role of smectite quasicrystal dynamics in adsorption of dinitrophenol. Soil Sci.Soc.Am.J., 72(2), 347-354.

Johnston, C. T., Schoonover, J. R., Steckle, Jr., W. P., Wang, Y., Gillikin, A. M., & Palmer, R. A. (2007). Humidity-Dependent Dynamic Infrared Linear Dichroism Study of a Poly(Ester Urethane) Spectrochimica. Acta Part A, 67(1), 208-213.

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