GoMRI

Investigating the effect of oil spills
on the environment and public health.

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Keith P. Johnston

The University of Texas at Austin

Department of Chemical Engineering

1 University Station C0400
Austin, TX 78712

kpj@che.utexas.edu

Project List:

Consortium for the Molecular Engineering of Dispersant Systems (C-MEDS)

Year 2-4 Consortia Grants (RFP-I)Role: Co-Principal Investigator, Task Lead

Publications & Presentations:

Journal Articles - 11
2015
Jadrich, R. B., Bollinger, J. A., Johnston, K. P., & Truskett, T. M. (2015). Origin and detection of microstructural clustering in fluids with spatial-range competitive interactions. Phys. Rev. E, 91(4).
Yu, G., Dong, J., Foster, L. M., Metaxas, A. E., Truskett, T. M., & Johnston, K. P. (2015). Breakup of Oil Jets into Droplets in Seawater with Environmentally Benign Nanoparticle and Surfactant Dispersants. Ind. Eng. Chem. Res., 54(16), 4243–4251.
2014
Dong, J., Worthen, A. J., Foster, L. M., Chen, Y., Cornell, K. A., Bryant, S. L., et al. (2014). Modified Montmorillonite Clay Microparticles for Stable Oil-in-Seawater Emulsions. ACS Appl. Mater. Interfaces, 6(14), 11502–11513.
Foster, E. L., Xue, Z., Roach, C. M., Larsen, E. S., Bielawski, C. W., & Johnston, K. P. (2014). Iron Oxide Nanoparticles Grafted with Sulfonated and Zwitterionic Polymers: High Stability and Low Adsorption in Extreme Aqueous Environments. ACS Macro Lett., 3(9), 867–871.
Foster, L. M., Worthen, A. J., Foster, E. L., Dong, J., Roach, C. M., Metaxas, A. E., et al. (2014). High Interfacial Activity of Polymers “Grafted through” Functionalized Iron Oxide Nanoparticle Clusters. Langmuir, 30(34), 10188–10196.
Worthen, A. J., Foster, L. M., Dong, J., Bollinger, J. A., Peterman, A. H., Pastora, L. E., et al. (2014). Synergistic Formation and Stabilization of Oil-in-Water Emulsions by a Weakly Interacting Mixture of Zwitterionic Surfactant and Silica Nanoparticles. Langmuir, 30(4), 984–994.
Xue, Z., Foster, E., Wang, Y., Nayak, S., Cheng, V., Ngo, V. W., et al. (2014). Effect of Grafted Copolymer Composition on Iron Oxide Nanoparticle Stability and Transport in Porous Media at High Salinity. Energy Fuels, 28(6), 3655–3665.
2013
Bagaria, H. G., Neilson, B. M., Worthen, A. J., Xue, Z., Yoon, K. Y., Cheng, V., et al. (2013). Adsorption of iron oxide nanoclusters stabilized with sulfonated copolymers on silica in concentrated NaCl and CaCl2 brine. Journal of Colloid and Interface Science, 398(2013), 217–226.
Bagaria, H. G., Xue, Z., Neilson, B. M., Worthen, A. J., Yoon, K. Y., Nayak, S., et al. (2013). Iron Oxide Nanoparticles Grafted with Sulfonated Copolymers are Stable in Concentrated Brine at Elevated Temperatures and Weakly Adsorb on Silica. ACS Appl. Mater. Interfaces, 5(8), 3329–3339.
Bagaria, H. G., Yoon, K. Y., Neilson, B. M., Cheng, V., Lee, J. H., Worthen, A. J., et al. (2013). Stabilization of Iron Oxide Nanoparticles in High Sodium and Calcium Brine at High Temperatures with Adsorbed Sulfonated Copolymers. Langmuir, 29(10), 3195–3206.
Worthen, A. J., Bryant, S. L., Huh, C., & Johnston, K. P. (2013). Carbon dioxide-in-water foams stabilized with nanoparticles and surfactant acting in synergy. AIChE J., 59(9), 3490–3501.