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Your Environment. Your Health.

Person Details: Barry Dellinger

Superfund Research Program

Barry Dellinger

Louisiana State University
338 Choppin Hall
Department of Chemistry
Louisiana State University
Baton Rouge, Louisiana 70803
Phone: 225-578-6759


Research Briefs

Hazardous Waste Sites

Agriculture Street Landfill

  • Louisiana State University: Community Engagement Core

New Orleans Mercury Response

  • Louisiana State University: Community Engagement Core



  • Dugas TR, Lomnicki S, Cormier SA, Dellinger B, Reams MA. 2016. Addressing emerging risks: scientific and regulatory challenges associated with environmentally persistent free radicals. Int J Environ Res Public Health 13(6):573. doi:10.3390/ijerph13060573 PMID:27338429 PMCID:PMC4924030
  • Nwosu UG, Khachatryan L, Youm SG, Roy A, dela Cruz AL, Nesterov EE, Dellinger B, Cook RL. 2016. Model system study of environmentally persistent free radicals formation in a semiconducting polymer modified copper clay system at ambient temperature. RSC Adv 6(49):43453-43462. PMID:28670444 PMCID:PMC5489243
  • Nwosu UG, Roy A, dela Cruz AL, Dellinger B, Cook RL. 2016. Formation of environmentally persistent free radical (EPFR) in iron(III) cation-exchanged smectite clay. Environ Sci Process Impacts 18(1):42-50. doi:10.1039/c5em00554j PMID:26647158 PMCID:PMC4743249
  • Potter PM, Dellinger B, Lomnicki S. 2016. Contribution of aluminas and aluminosilicates to the formation of PCDD/Fs on fly ashes. Chemosphere 144:2421-2426. doi:10.1016/j.chemosphere.2015.11.009 PMID:26615490 PMCID:PMC4695248


  • Herring M, Khachatryan L, Dellinger B. 2015. Speciation of iron (III) oxide nanoparticles and other paramagnetic intermediates during high-temperature oxidative pyrolysis of 1-methylnaphthalene. World Acad Sci Eng Technol 9(7):804-812. PMID:26413257 PMCID:PMC4581597


  • dela Cruz AL, Cook RL, Dellinger B, Lomnicki S, Donnelly KC, Kelley MA, Cosgriff D. 2014. Assessment of environmentally persistent free radicals in soils and sediments from three Superfund sites. Environ Sci Process Impacts 16(1):44-52. doi:10.1039/c3em00428g PMID:24244947 PMCID:PMC3907510
  • Gehling W, Khachatryan L, Dellinger B. 2014. Hydroxyl radical generation from environmentally persistent free radicals (EPFRs) in PM25. Environ Sci Technol 48(8):4266-4272. doi:10.1021/es401770y PMID:24004313 PMCID:PMC4308723
  • Khachatryan L, McFerrin CA, Hall RW, Dellinger B. 2014. Environmentally persistent free radicals (EPFRs). 3. Free versus bound hydroxyl radicals in EPFR aqueous solutions. Environ Sci Technol 48(16):9220-9226. doi:10.1021/es501158r PMID:25036238 PMCID:PMC4140529
  • Kiruri LW, Khachatryan L, Dellinger B, Lomnicki S. 2014. Effect of copper oxide concentration on the formation and persistency of environmentally persistent free radicals (EPFRs) in particulates. Environ Sci Technol 48(4):2212-2217. doi:10.1021/es404013g PMID:24437381 PMCID:PMC3983329
  • Lomnicki S, Gullett BK, Stoger T, Kennedy I, Diaz J, Dugas TR, Varner KJ, Carlin DJ, Dellinger B, Cormier SA. 2014. Combustion by-products and their health effects--combustion engineering and global health in the 21st century: issues and challenges. Int J Toxicol 33(1):3-13. doi:10.1177/1091581813519686 PMID:24434722 PMCID:PMC3944372
  • Nganai S, Dellinger B, Lomnicki S. 2014. PCDD/PCDF ratio in the precursor formation model over CuO surface. Environ Sci Technol 48(23):13864-13870. doi:10.1021/es504253w PMID:25372621 PMCID:PMC4255659
  • Reed JR, Cawley GF, Ardoin TG, Dellinger B, Lomnicki S, Kiruri LW, Backes WL. 2014. Environmentally persistent free radicals inhibit cytochrome P450 activity in rat liver microsomes. Toxicol Appl Pharmacol 277(2):200-209. doi:10.1016/j.taap.2014.03.021 PMID:24713513 PMCID:PMC4049543


  • Gehling W, Dellinger B. 2013. Environmentally persistent free radicals and their lifetimes in PM2.5. Environ Sci Technol 47:8172-8178. doi:10.1021/es401767m PMID:23844657 PMCID:PMC4309365
  • Herring M, Khachatryan L, Lomnicki S, Dellinger B. 2013. Paramagnetic centers in particulate formed from the oxidative pyrolysis of 1-methylnaphthalene in the presence of Fe(lll)203 nanoparticles. Combustion and Flame 160(12):2996-3003. doi:10.1016/j.combustflame.2013.06.025 PMID:25673882 PMCID:PMC4321761
  • Herring M, Potter PM, Wu H, Lomnicki S, Dellinger B. 2013. Fe2O3 nanoparticle mediated molecular growth and soot inception from the oxidative pyrolysis of 1-methylnaphthalene. Proc Combust Inst 34(1):1749-1757. doi:10.1016/j.proci.2012.07.057 PMID:25530732 PMCID:PMC4269167
  • Kelley MA, Hebert VY, Thibeaux TM, Orchard MA, Hasan F, Cormier SA, Thevenot PT, Lomnicki S, Varner KJ, Dellinger B, Latimer BM, Dugas TR. 2013. Model combustion-generated particulate matter containing persistent free radicals redox cycle to produce reactive oxygen species. Chem Res Toxicol 26(12):1862-1871. doi:10.1021/tx400227s PMID:24224526 PMCID:PMC4112599
  • Kiruri LW, Dellinger B, Lomnicki S. 2013. Tar balls from Deep Water Horizon Oil Spill: environmentally persistent free radicals (EPFR) formation during crude weathering. Environ Sci Technol 47(9):4220-4226. doi:10.1021/es305157w PMID:23510127 PMCID:PMC4267227
  • Maskos Z, Khachatryan L, Dellinger B. 2013. Role of the filters in the formation and stabilization of semiquinone radicals collected from cigarette smoke. Energy Fuels 27(9):5506-5512. doi:10.1021/ef4010253 PMID:24265513 PMCID:PMC3831374
  • Patterson MC, Keilbart ND, Kiruri LW, Thibodeaux CA, Lomnicki S, Kurtz RL, Poliakoff ED, Dellinger B, Sprunger PT. 2013. EPFR formation from phenol adsorption on Al2O3 and TiO2: EPR and EELS studies. Chem Phys 422:277-282. doi:10.1016/j.chemphys.2012.12.003 PMID:24443627 PMCID:PMC3891583
  • Saravia J, Lee GI, Lomnicki S, Dellinger B, Cormier SA. 2013. Particulate matter containing environmentally persistent free radicals and adverse infant respiratory health effects: A review. J Biochem Mol Toxicol 27(1):56-68. doi:10.1002/jbt.21465 PMID:23281110 PMCID:PMC3580159
  • Thevenot PT, Saravia J, Jin N, Giaimo JD, Chustz RE, Mahne S, Kelley MA, Hebert VY, Dellinger B, Dugas TR, DeMayo FJ, Cormier SA. 2013. Radical-containing ultrafine particulate matter initiates epithelial-to-mesenchymal transitions in airway epithelial cells. Am J Respir Cell Mol Biol 48(2):188-197. doi:10.1165/rcmb.2012-0052OC PMID:23087054 PMCID:PMC3604062



  • Bae GT, Dellinger B, Hall RW. 2011. Density functional calculation of the structure and electronic properties of Cu(n)O(n) (n = 1-8) clusters. J Phys Chem A 115(11):2087-2095. doi:10.1021/jp104177q PMID:21361346 PMCID:PMC3070270 (Completed with ARRA Funds)
  • Balakrishna S, Saravia J, Thevenot PT, Ahlert TA, Lominiki S, Dellinger B, Cormier SA. 2011. Environmentally persistent free radicals induce airway hyperresponsiveness in neonatal rat lungs. Part Fibre Toxicol 8(1):11. doi:10.1186/1743-8977-8-11 PMID:21388553 PMCID:PMC3061909 (Completed with ARRA Funds)
  • dela Cruz AL, Gehling W, Lomnicki S, Cook RL, Dellinger B. 2011. Detection of environmentally persistent free radicals at a superfund wood treating site. Environ Sci Technol 45(15):6356–6365. doi:10.1021/es2012947 PMID:21732664 PMCID:PMC3167238 (Completed with ARRA Funds)
  • Khachatryan L, Dellinger B. 2011. Environmentally persistent free radicals (EPFRs)-2. Are free hydroxyl radicals generated in aqueous solutions?. Environ Sci Technol 45:9232-9239. doi:10.1021/es201702q PMID:21942783 PMCID:PMC3236504 (Completed with ARRA Funds)
  • Khachatryan L, Vejerano E, Lomnicki S, Dellinger B. 2011. Environmentally persistent free radicals (EPFRs). 1. Generation of reactive oxygen species in aqueous solutions. Environ Sci Technol 45:8559-8566. doi:10.1021/es201309c PMID:21823585 PMCID:PMC3230252 (Completed with ARRA Funds)
  • Lord K, Moll D, Lindsey JK, Mahne S, Raman G, Dugas TR, Cormier SA, Troxlair D, Lomnicki S, Dellinger B, Varner KJ. 2011. Environmentally persistent free radicals decrease cardiac function before and after ischemia/reperfusion injury in vivo. J Recept Signal Transduct Res 31(2):157-167. doi:10.3109/10799893.2011.555767 PMID:21385100 PMCID:PMC3152960 (Completed with ARRA Funds)
  • Nganai S, Lomnicki S, Dellinger B. 2011. Formation of PCDD/Fs from the copper oxide-mediated pyrolysis and oxidation of 1,2-dichlorobenzene. Environ Sci Technol 45(3):1034-1040. doi:10.1021/es102948f PMID:21174454
  • Vejerano E, Lomnicki S, Dellinger B. 2011. Formation and stabilization of combustion-generated environmentally persistent free radicals on an Fe(lll)(2)0-3/silica surface. Environ Sci Technol 45(2):589-94. doi:10.1021/es102841s PMID:21138295


  • Khachatryan L, Burcat A, Dellinger B. 2010. The role of chlorine atoms and hydroxyl radicals in the formation of PCDDs from the oxidative pyrolysis of 2,4,6-trichlorophenol. Int J Chem Kinet 42:90-97. doi:10.1002/kin.20461
  • Truong H, Lomnicki S, Dellinger B. 2010. Potential for misidentification of environmentally persistent free radicals as molecular pollutants in particulate matter. Environ Sci Technol 44:1933-1939. doi:10.1021/es902648t PMID:20155937 PMCID:PMC4315178



  • Dellinger B, D'Alessio A, D'Anna A, Ciajolo A, Gullett BK, Henry HF, Keener M, Lighty J, Lomnicki S, Lucas D, Oberdorster G, Pitea D, Suk WA, Sarofim A, Smith KR, Stoeger T, Tolbert PE, Wyzga R, Zimmermann R. 2008. Report: combustion byproducts and their health effects: summary of the 10th international congress. Environ Eng Sci 25(8):1107-1114. doi:10.1089/ees.2008.0233 PMID:22476005 PMCID:PMC2963595
  • Lomnicki S, Truong H, Vejerano E, Dellinger B. 2008. Copper oxide-based model of persistent free radical formation on combustion-derived particulate matter. Environ Sci Technol 42:4982-4988. doi:10.1021/es071708h PMID:18678037



  • Avakian MD, Dellinger B, Fiedler H, Gullet B, Koshland CP, Marklund S, Oberdorster G, Safe SH, Sarofim A, Smith KR, Schwartz DA, Suk WA. 2002. The origin, fate, and health effects of combustion by-products: A research framework. Environ Health Perspect 110(11):1155-1162. PMID:12417488
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