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Project Publications: Louisiana State University: Activation, Sensing, and Prevention of Formation EPFRs in Thermal Treatment of Superfund Wastes

Superfund Research Program

Activation, Sensing, and Prevention of Formation EPFRs in Thermal Treatment of Superfund Wastes

Project Leader: Slawomir Lomnicki
Co-Investigator: Lavrent Khachatryan
Grant Number: P42ES013648
Funding Period: 2011-2025
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  • Khachatryan L, Rezk M, Nde D, Hasan F, Lomnicki S, Boldor D, Cook R, Sprunger PT, Halland R, Cormier SA. 2024. New features of laboratory-generated EPFRs from 1,2-dichlorobenzene (DCB) and 2-monochlorophenol (MCP). ACS Omega doi:10.1021/acsomega.3c08271



  • Baltrenaite-Gediene E, Lomnicki S, Guo C. 2022. Impact of biochar, fertilizers and cultivation type on environmentally persistent free radicals in agricultural soil. Environ Technol Innov 28:doi:10.1016/j.eti.2022.102755
  • Khachatryan L, Barekati-Goudarzi M, Asatryan R, Ozarowski A, Boldor D, Lomnicki S, Cormier SA. 2022. Metal-free Biomass-Derived Environmentally Persistent Free Radicals (Bio-EPFRs) from lignin pyrolysis. ACS Omega 7(34):30241-30249. doi:10.1021/acsomega.2c03381 PMID:36061701 PMCID:PMC9434622


  • Guan X, Truong L, Lomnicki S, Tanguay RL, Cormier SA. 2021. Developmental hazard of environmentally persistent free radicals and protective effect of TEMPOL in zebrafish model. Toxics 9:doi:10.3390/toxics9010012 PMID:33467068 PMCID:PMC7829864
  • Guo C, Hasan F, Lay D, dela Cruz AL, Ghimire A, Lomnicki S. 2021. Phytosampling - A supplementary tool for particulate matter (PM) speciation characterization. Environ Sci Pollut Res Int 28(29):39310-39321. doi:10.1007/s11356-021-13292-z PMID:33755885





  • 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
  • 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
  • Jaligama S, Chen Z, Saravia J, Yadav N, Lomnicki S, Dugas TR, Cormier SA. 2015. Exposure to deepwater horizon crude oil burnoff particulate matter induces pulmonary inflammation and alters adaptive immune response. Environ Sci Technol 49(14):8769-8776. doi:10.1021/acs.est.5b01439 PMID:26115348 PMCID:PMC4526136
  • Patterson MC, Thibodeaux CA, Kizilkaya O, Kurtz RL, Poliakoff ED, Sprunger PT. 2015. Electronic signatures of a model pollutant-particle system: chemisorbed phenol on TiO₂(110). Langmuir 31(13):3869-3875. doi:10.1021/acs.langmuir.5b00030 PMID:25774565 PMCID:PMC4407492
  • Sussan TE, Gajghate S, Thimmulappa RK, Ma J, Kim J, Sudini K, Consolini N, Cormier SA, Lomnicki S, Hasan F, Pekosz A, Biswal S. 2015. Exposure to electronic cigarettes impairs pulmonary anti-bacterial and anti-viral defenses in a mouse model. PLoS One 10(2):e0116861. doi:10.1371/journal.pone.0116861 PMID:25651083 PMCID:PMC4317176



  • 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



  • 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
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