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

University of Maryland

Department of Chemical and Biomolecular Engineering

2113 Chemical and Nuclear Engineering
College Park , MD  20742  

sraghava@umd.edu

Project List:

Molecular Engineering of Food-Grade Dispersants as Highly Efficient and Safe Materials for the Treatment of Oil Spills

Year 6-8 Investigator Grants (RFP-V)Role: Principal Investigator

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

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

Publications & Presentations:

Journal Articles - 6

2019

Fernandes, J. C., Agrawal, N. R., Aljirafi, F. O., Bothun, G. D., McCormick, A. V., John, V. T., et al. (2019). Does the Solvent in a Dispersant Impact the Efficiency of Crude-Oil Dispersion? Langmuir, 35(50), 16630–16639.
Omarova, M., Swientoniewski, L. T., Mkam Tsengam, I. K., Blake, D. A., John, V., McCormick, A., et al. (2019). Biofilm Formation by Hydrocarbon-Degrading Marine Bacteria and Its Effects on Oil Dispersion. ACS Sustainable Chem. Eng., 7(17), 14490–14499.

2018

Owoseni, O., Zhang, Y., Omarova, M., Li, X., Lal, J., McPherson, G. L., et al. (2018). Microstructural characteristics of surfactant assembly into a gel-like mesophase for application as an oil spill dispersant. Journal of Colloid and Interface Science, 524, 279–288.

2015

Riehm, D. A., Neilsen, J. E., Bothun, G. D., John, V. T., Raghavan, S. R., & McCormick, A. V. (2015). Efficient dispersion of crude oil by blends of food-grade surfactants: Toward greener oil-spill treatments. Marine Pollution Bulletin, 101(1), 92–97.

2014

Athas, J. C., Jun, K., McCafferty, C., Owoseni, O., John, V. T., & Raghavan, S. R. (2014). An Effective Dispersant for Oil Spills Based on Food-Grade Amphiphiles. Langmuir, 30(31), 9285–9294.

2013

Venkataraman, P., Tang, J., Frenkel, E., McPherson, G. L., He, J., Raghavan, S. R., et al. (2013). Attachment of a Hydrophobically Modified Biopolymer at the Oil-Water Interface in the Treatment of Oil Spills. ACS Appl. Mater. Interfaces, 5(9), 3572–3580.

Conference Presentations - 16

2019

Bothun, G., Rocchio, J., Ganji, N., McCormick, A., John, V., & Raghavan, S. (2019). Microscopic Evolution of Biofilm Formation in Dispersed Oil Droplet-Bacteria Agglomerates. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019. New Orleans, LA : 02/04/19-02/07/19.
Mkam Tsengam, I., Omarova, M., Rocchio, J., Agrawal, N., Swientoniewski, L., Raghavan, S., et al. (2019). The self-assembly of dispersants at the oil-water interface probed through small angle neutron scattering and cryogenic electron microscopy. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019. New Orleans, LA : 02/04/19-02/07/19: Poster.

2018

Fernandes, J. C., Agrawal, N. R., Omarova, M., John, V. T., & Raghavan, S. R. (2018). The impact of the solvent base for a dispersant on the efficiency of crude-oil dispersion. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018. New Orleans, LA : 02/05/18-02/08/18.
Ganji, N., Rocchio, J., Raghavan, S. R., McCormick, A. V., Bothun, G. D., & John, V. T. (2018). Microscopic evolution of biofilm formation in dispersed oil droplet-bacteria agglomerates. In 2018 American Institute of Chemical Engineers (AIChE) Annual Meeting. Pittsburgh, PA : 10/28/18 - 11/02/18.
McCormick, A. V., Bothun, G. D., John, V. T., & Raghavan, S. R. (2018). Efficient dispersion of crude oil by food-grade surfactants: The potential of lecithin. In 2018 American Institute of Chemical Engineers (AIChE) Annual Meeting. Pittsburgh, PA : 10/28/18 - 11/02/18.
Tsengam, I., Omarova, M., Raghavan, S. R., McCormick, A. V., Bothun, G. D., & John, V. T. (2018). Composition-driven structural transitions from vesicles to bicelles to micelles using phospholipid and nonionic surfactant mixtures. In 2018 American Institute of Chemical Engineers (AIChE) Annual Meeting. Pittsburgh, PA : 10/28/18 - 11/02/18.
Tsengam, I., Omarova, M., Rocchio, J., Swientoniewski, L., Agrawal, N. R., Blake, D., et al. (2018). A comprehensive view of an effective alternative dispersant system using food grade surfactants. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018. New Orleans, LA : 02/05/18-02/08/18.

2017

Agrawal, N. R., & Raghavan, S. R. (2017). How to Select the Right Solvent for Oil-Spill Dispersants? Insights from Hansen Solubility Parameters. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017. New Orleans, LA : 02/06/17-02/09/17: Poster.
Agrawal, N. R., & Raghavan, S. R. (2017). Food-grade dispersants for remediation of oil spills: Insights from colloid science. In 254th ACS National Meeting & Exposition. Washington, DC : 08/20/17-08/24/17.
Bothun, G. D., John, V., Blake, D., Swientoniewski, L., Omarova, M., Rocchio, J., et al. (2017). Growth of Alcanivorax borkumensis using oil dispersed by food grade amphiphiles. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017. New Orleans, LA : 02/06/17-02/09/17: Poster.
Bothun, G. D., Rocchio, J., John, V., Raghavan, S., & McCormick, A. (2017). Oil Spill Dispersion with Food-Grade Amphiphiles: Formation of Oil-Bacteria Agglomerates During Oil Biodegradation. In 2017 AIChE Annual Meeting. Minneapolis, MN : 10/29/17-11/03/17.
McCormick, A., Athas, J., Neilsen, K., Bothun, G., John, V., Raghavan, S., et al. (2017). Efficient Dispersion of Crude Oil by Blends of Food-Grade Surfactants: Toward Greener Oil Spill Treatments. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017. New Orleans, LA : 02/06/17-02/09/17.
McCormick, A., Athas, J., Neilsen, K., Bothun, G., John, V., Raghavan, S., et al. (2017). Efficient Dispersion of Crude Oil by Blends of Food-Grade Surfactants: Toward Greener Oil Spill Treatments. In 2017 AIChE Annual Meeting. Minneapolis, MN : 10/29/17-11/03/17.

2014

Athas, J. C., Jun, K., McCafferty, C., Owoseni, O., John, V. T., & Raghavan, S. R. (2014). A safe and effective dispersant for oil spills based on food-grade amphiphiles. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14.
Raghavan, S. R., Diehn, K., Oh, H., & Weiss, R. G. (2014). Can supramolecular gelation of organic solvents be predicted a priori? Insights from a study of a sorbitol-based organogelator. In 247th American Chemical Society National Meeting. Dallas, TX - 03/16/2014-03/20/2014.

2012

Venkataraman, P., John, V., & Raghavan, S. (2012). Enhanced Effectiveness of Dispersants in Oil Spill Remediation Through the Use of Modified Polysaccharides. In American Institute of Chemical Engineers Annual Meeting. Pittsburgh, PA, October 29, 2012.