GoMRI
Investigating the effect of oil spills
on the environment and public health.
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Funding Source: Year 3-5 Investigator Grants (RFP-II)

Project Publications & Presentations

Characterizing the Composition and Biogeochemical Behavior of Dispersants and Their Transformation Products in Gulf of Mexico Coastal Ecosystems

Journal Articles - 6

2018

Dasgupta, S., Choyke, S., Ferguson, P. L., & McElroy, A. E. (2018). Antioxidant responses and oxidative stress in sheepshead minnow larvae exposed to Corexit 9500 (TM) or its component surfactant, DOSS. Aquatic Toxicology, 194, 10–17.

2017

Dasgupta, S., & McElroy, A. E. (2017). Cytotoxicity and CYP1A inhibition in rainbow trout liver (RTL-W1) cell lines exposed to dispersant Corexit 9500 and its major surfactant components. Toxicology in Vitro, 44, 377–381.

2016

Dasgupta, S., DiGiulio, R. T., Drollette, B. D., L. Plata, D., Brownawell, B. J., & McElroy, A. E. (2016). Hypoxia depresses CYP1A induction and enhances DNA damage, but has minimal effects on antioxidant responses in sheepshead minnow (Cyprinodon variegatus) larvae exposed to dispersed crude oil. Aquatic Toxicology, 177, 250–260.

2015

Dasgupta, S., Huang, I. J., McElroy, A. E., & Scapigliati, G. (2015). Hypoxia Enhances the Toxicity of Corexit EC9500A and Chemically Dispersed Southern Louisiana Sweet Crude Oil (MC-242) to Sheepshead Minnow (Cyprinodon variegatus) Larvae. PLoS ONE, 10(6), e0128939.

2014

Dasgupta, S., Cao, A., Mauer, B., Yan, B., Uno, S., & McElroy, A. (2014). Genotoxicity of oxy-PAHs to Japanese medaka (Oryzias latipes) embryos assessed using the comet assay. Environ Sci Pollut Res, 21(24), 13867–13876.

2012

Xia, K., Hagood, G., Childers, C., Atkins, J., Rogers, B., Ware, L., et al. (2012). Polycyclic Aromatic Hydrocarbons (PAHs) in Mississippi Seafood from Areas Affected by the Deepwater Horizon Oil Spill. Environ. Sci. Technol., 46(10), 5310–5318.

Conference Presentations - 26

2016

Adewale, B., & Brownawell, B. (2016). Sorption of DOSS to Marine Sediments: What We Have Learned about Its Fate in the Field and Laboratory. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster.
Adewale, B., & Brownawell, B. (2016). Sorption of Dioctyl Sodium Sulfosuccinate to Coastal Gulf of Mexico Sediment. In 252nd American Chemical Society National Meeting & Exposition. Philadelphia, PA : 08/21/16-08/25/16.
Dasgupta, S., & McElroy, A. (2016). Influence of Hypoxia on Biochemical and Cellular Responses of Sheepshead Minnow Larvae (Cyprinodon variegatus) Exposed to Oil Spill contaminants. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster.
Sparks, D., Dasgupta, S., Brownawell, B., Meredith, A., Green, M., Ferguson, L., et al. (2016). Retention of DOSS and Primary Metabolites by Sheepshead Minnows Cyprinodon variegatus. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster.

2015

Adewale, B., & Brownawell, B. (2015). Sorption of dioctyl sodium sulfosuccinate to Coastal Gulf of Mexico Sediment. In 36th Society of Environmental Toxicology and Chemistry (SETAC) Annual Meeting. Salt Lake City, UT : 11/01/15-11/05/15: Poster.
Adewale, B. S., & Brownawell, B. (2015). Sorption of DOSS to Coastal Gulf of Mexico Sediments. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15: Poster.
Brownawell, B. J., Ferguson, P., Adewale, B., & Choyke, S. J. (2015). Intercomparison of LC-MS-based Approaches for Determining the Chemical Composition of Dispersant Formulations. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15.
Choyke, S., & Ferguson, P. L. (2015). Characterization of transformation kinetics and products of Corexit (R) 9500 in seawater using high resolution mass spectrometry. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15.
Dasgupta, S., Huang, I., & McElroy A. (2015). Hypoxia affects survival, CYP1A expression and DNA integrity in sheepshead minnow larvae exposed to oil spill contaminants. In 18th Pollutant Responses in Marine Organisms. Trtondheim, Norway : 05/24/15-5/27/15.
Huang, I., Dasgupta, S., & McElroy, A. (2015). Combined Effects of Hypoxia and Dispersed Oil on Sheepshead Minnow Larvae. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15: Poster.
Sparks, D., Foster, C., & Meredith, A. (2015). Monitoring of DOSS Hydrolysis Metabolites in Seafood Collected from the Gulf of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15: Poster.

2014

Adewale, B., Sparks, D., & Brownawell, B. (2014). Factors affecting the sorption of DOSS to coastal Louisiana sediments. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Brownawell, B., Adewale, B., & Sparks, D. L. (2014). Sorption of Corexit ingredients to Gulf of Mexico sediments. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Dasgupta, S., Adewale, B., Brownawel, B., & McElroy, A. (2014). Toxicity of Corexit 9500 and 9527 and its major components to early ife stage sheepshead minnows. In Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting. Vancouver, BC : 11/09/2014-11/13/2014.
Dasgupta, S., Adewale, B., Brownawel, B., & McElroy, A. (2014). Toxicity of Corexit 9500 and 9527 and its major components to early ife stage sheepshead minnows. In Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting. Vancouver, BC : 11/09/2014-11/13/2014: Poster.
Dasgupta, S., Adewale, B., Brownawell, B., & McElroy, A. (2014). Toxicity of Corexit 9500 and Its Major Components to Early Life Stage Sheepshead Minnows. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Dasgupta, S., Adewale, B., Brownawell, B., & McElroy, A. (2014). Toxicity of oil spill dispersants and their components on early life stages of sheepshead minnow. In North American Chapter, SETAC. Amherst, MA : 06/10/14 - 06/13/14.
Huang, I., Dasgupta, S., & McElroy, A. (2014). Preliminary effects of hypoxia and dispersant exposure on sheepshead minnow larvae survival. In North American Chapter, SETAC. Amherst, MA : 06/10/14 - 06/13/15: Poster.
Huang, I., Dasgupta, S., & McElroy, A. (2014). Hypoxia enhances the toxicity of Corexit 9500 and CEWAFS prepared with Louisiana Sweet Crude Oil (MC-242) in sheepshead minnow larvae. In Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting. Vancouver, BC : 11/09/2014-11/13/2014.
Sparks, D. L., Foster, C., Meredith, A., Atkins, J., Brownawell, B., McElroy, A., et al. (2014). Comparison of DOSS Extraction Techniques Suitable for Seafood Matrices. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Vogler, B., Getzinger, G. J., & Ferguson, P. L. (2014). Comprehensive two-dimensional liquid chromatography coupled with high-resolution mass spectrometry: Application to analysis of polar organic contaminants in the aquatic environment. In American Chemical Society National Meeting – 248th. San Francisco, CA : 08/10/14-08/12/14.

2013

Armbrust, K., Sparks, D., Ferguson, P. L., Brownawell, B., & McElroy, A. (2013). Characterizing Composition and Biogeochemical Behavior of Dispersants and their Transformation Products in Gulf of Mexico Coastal Ecosystems. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013: Poster.
Atkins, J., Foster, C., Meredith, A., Armbrust, K., & Sparks, D. L. (2013). Analysis of Gulf Seafood Samples for Dioctylsulfosuccinate (DOSS). In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013: Poster.
Brownawell, B., Ruggieri, J., & Adewale, B. (2013). The Fate of Corexit Surfactants in Coastal Seawater:Use of LC/Time-of-Flight-MS to Characterize Biodegradation and Sorption. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013.
Dasgupta, S., Adewale, B., Brownawell, B., & McElroy, A. (2013). Chemical degradation and toxicity of dispersant Corexit 9500 in early life stages of sheepshead minnow (Cyprinodon variegatus). In North Atlantic Chapter of the Society for Environmental Toxicology and Chemistry. Fairlee, VT, June 12-14, 2013.
Dasgupta, S., & McElroy, A. (2013). Development of Comet Assay in Fish Embryos. In North Atlantic Chapter of the Society for Environmental Toxicology and Chemistry. Fairlee, VT, June 12-14, 2013: Poster.
This research was made possible by a grant from The Gulf of Mexico Research Initiative.
www.gulfresearchinitiative.org