GoMRI

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

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Andrew Worthen

The University of Texas at Austin

Department of Petroleum and Geosystems Engineering

1 University Station C0300
Austin, TX 78712

andrew.worthen@utexas.edu

Project List:

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

Year 2-4 Consortia Grants (RFP-I)Role: Graduate Student - PhD Level, GoMRI Scholar

Publications & Presentations:

Journal Articles - 7
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, 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.
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.
Conference Presentations - 2
2014
Dong, J., Worthen, A. J., Chen Y., Foster, L. M., Bollinger, J. A., Truskett T.M., et al. (2014). Effective oil dispersible clay-based dispersant systems for oil-in-seawater emulsions. In 247th American Chemical Society National Meeting. Dallas, TX - 03/16/2014-03/20/2014.
Foster, L. M., Dong, J., Worthen, A. J., Bollinger, J. A., Bryant S.L., Truskett T.M., et al. (2014). Effective nanoparticle-based dispersants for oil-in-synthetic seawater emulsions. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14.