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

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., Truskett, T. M., Bielawski, C. W., & Johnston, K. P. (2014). Modified Montmorillonite Clay Microparticles for Stable Oil-in-Seawater Emulsions. ACS Applied Materials & Interfaces, 6(14), 11502-11513.
Foster, L. M., Worthen, A. J., Foster, E. L., Dong, J., Roach, C. M., Metaxas, A. E., Hardy, C. D., Larsen, E. S., Bollinger, J. A., Truskett, T. M., Bielawski, C. W., & Johnston, K. P. (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., Bryant, S. L., Truskett, T. M., Bielawski, C. W., & Johnston, K. P. (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., Lee, J. H., Velagala, S., Huh, C., Bryant, S. L., Bielawski, C. W., & Johnston, K. P. (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, 217-226.
Bagaria, H. G., Xue, Z., Neilson, B. M., Worthen, A. J., Yoon, K. Y., Nayak, S., Cheng, V., Lee, J. H., Bielawski, C. W., & Johnston, K. P. (2013). Iron Oxide Nanoparticles Grafted with Sulfonated Copolymers are Stable in Concentrated Brine at Elevated Temperatures and Weakly Adsorb on Silica. ACS Applied Materials & Interfaces, 5(8), 3329-3339.
Bagaria, H. G., Yoon, K. Y., Neilson, B. M., Cheng, V., Lee, J. H., Worthen, A. J., Xue, Z., Huh, C., Bryant, S. L., Bielawski, C. W., & Johnston, K. P. (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 Journal, 59(9), 3490-3501.

Conference Presentations - 2

2014

Dong, J. W., A.J.; Chen Y.; Foster, L. B., & J.A.; Truskett T.M.; Bryant S.L.; Bielawski C.W.; Johnston K.P (2014). Effective oil dispersible clay-based dispersant systems for oil-in-seawater emulsions. In 247th American Chemical Society National Meeting
Foster, L. D., J.; Worthen, A. B., & J.A.; Bryant S.L.; Truskett T.M.; Bielawski C.W.; Johnston K.P (2014). Effective nanoparticle-based dispersants for oil-in-synthetic seawater emulsions. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014