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Grantee Research Project Results

Development of Innovative Approaches to Assess the Toxicity of Chemical Mixtures Request for Applications (RFA)

EPA awarded $7,770,044 in research grant funding to 11 institutions to develop and evaluate innovative methods and approaches to inform our understanding of the human health risks that may result from exposure to chemical mixtures in the environment.

Request for Applications closing date: December 8, 2021

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# Grant Number Abstract Principal Investigator Institution Grant Amount PROJECT PERIOD Project Start Date Project End Date Extended End Date State
<< STAR GRANTS AND STAR CENTERS >>
# Grant Number Abstract Principal Investigator Institution Grant Amount PROJECT PERIOD Project Start Date Project End Date Extended End Date State
1 R840450
Grant



A tiered hybrid experimental-computational strategy for rapid risk assessment of complex environmental mixtures using novel analytical and toxicological methods Rusyn, Ivan
Chiu, Weihsueh A
Wright, Fred A.
Zhou, Yihui  
Texas A & M University, North Carolina State University $750,000   September 01, 2022 -
May 02, 2025  
September 01, 2022   May 02, 2025     TX  
2 R840451
Grant



Assessment of neurotoxicity of mixtures of PFAS and other neuroactive organic pollutants through integrated in silico, in vitro cellular and in vivo models Aga, Diana S.
Atilla-Gokcumen, Ekin
Rajan, Krishna
Sirotkin, Howard  
The State University of New York at Buffalo, The State University of New York at Stony Brook $750,000   October 01, 2022 -
September 30, 2025
(Extended to March 31, 2026)  
October 01, 2022   September 30, 2025  
March 31, 2026  
NY  
3 R840452
Grant



High-Throughput Lung Damage and Inflammation Assessment of Polyaromatic Hydrocarbon Mixtures Takayama, Shuichi
Ng, Nga Lee  
Georgia Institute of Technology $749,999   September 01, 2022 -
May 09, 2025  
September 01, 2022   May 09, 2025     GA  
4 R840453
Grant



Development of a quantitative adverse outcome pathway (qAOP) network to assess neurodevelopmental toxicity of per- and polyfluoroalkyl substances (PFAs) mixture in C. elegans Tang, Lili
Huang, Qingguo
Shen, Ye
Wang, Jia-Sheng  
University of Georgia $750,000   September 01, 2022 -
August 31, 2025
(Extended to August 31, 2026)  
September 01, 2022   August 31, 2025  
August 31, 2026  
GA  
5 R840454
Grant



Innovative approach to assess the effect of metal mixtures from infant meconium associated with adverse infant outcomes by identifying methylation loci in mothers and infants Pavilonis, Brian
Cai, Bo
Cai, Guoshuai
Kavouras, Ilias
Maroko, Andrew
McDermott, Suzanne
Shin, Jin  
Research Foundation of CUNY, Medgar Evers College, University of South Carolina at Columbia $746,154   October 01, 2022 -
May 12, 2025  
October 01, 2022   May 12, 2025     NY  
6 R840455
Grant



Whole animal New Approach Methodologies for predicting developmental effects of air pollutant mixtures Poynton, Helen C
Connon, Richard E
Díaz-Vázquez, Liz M
Estrada-Martinez, Lorena
Segarra, Amelie
Young, Thomas M  
University of Massachusetts - Boston, University of California Davis, University of Puerto Rico - Rio Piedras Campus $750,000   October 01, 2022 -
September 30, 2025
(Extended to September 30, 2026)  
October 01, 2022   September 30, 2025  
September 30, 2026  
MA  
7 R840456
Grant



Protein Binding Affinity as the Driver for Studying PFAS Mixture Toxicity Sepulveda, Maria
Gantz, JD
Hoskins, Tyler
Hoverman, Jason
Kar, Supratik
Lee, Linda S.
Leszczynski, Jerry  
Purdue University, Hendrix College, Jackson State University, Kean University $725,481   September 01, 2022 -
August 31, 2025  
September 01, 2022   August 31, 2025     IN  
8 R840457
Grant



Oral toxicity assessment of PAH mixtures using an in vitro 3D cell culture bioreactor mimicking the in vivo intestinal tract environment Rodrigues, Debora
Liu, Xinli  
University of Houston $749,926   September 01, 2022 -
May 01, 2025  
September 01, 2022   May 01, 2025     TX  
9 R840458
Grant



Wildfire Smoke Mixtures Toxicity Testing Rager, Julia
Jaspers, Ilona
Kim, Yong Ho
Rebuli, Meghan E
Reif, David  
University of North Carolina at Chapel Hill, North Carolina State University $599,999   October 01, 2022 -
May 09, 2025  
October 01, 2022   May 09, 2025     NC  
10 R840459
Grant



Assessment of Underlying Molecular Mechanisms Promoting Adipogenic Outcomes in Complex Mixtures Kassotis, Christopher Dennis
Ghosh, Samiran
Korzeniewski, Steven  
Wayne State University $598,487   September 01, 2022 -
May 12, 2025  
September 01, 2022   May 12, 2025     MI  
11 R840460
Grant



Developing an Integrated Framework for Evaluating Toxicity of Real-Life Chemical Mixtures Pearce, John L
Bain, Lisa
Baldwin, William
Hunt, Kelly  
Medical University of South Carolina, Clemson University $599,998   October 01, 2022 -
May 09, 2025  
October 01, 2022   May 09, 2025     SC  


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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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