Lavrent Khachatryan

Assistant Professor, Research, LSU Department of Chemistry


Phone: (225) 578-4417
Fax: (225) 578-3458
Office: 400 Choppin Hall



Area of interest, expertise:

  • Conventional and “wall-less” pyrolysis/oxidation of hydrocarbons,chemical kinetics
  • Modeling, photochemistry
  • Environmental problems
  • Tobacco burning
  • EPR low temperature matrix isolation (EPR LTMI) technique
  • Spin trapping


Selected Publications:


Herring, P., Khachatyran, L., Dellinger, B. 2015. Speciation of Iron (III) Oxide Nanoparticles and Other Paramagnetic Intermediates during High-Temperature Oxidative Pyrolysis of 1-Methylnaphthalene. International Journal of Chemical, Nuclear, Materials and Metallurgical Engineering. 9 (7): 813-821. 


Khachatryan, L., McFerrin, C.A., Hall, R.W., and 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. PMCID:PMC4140529


Kiruri , L., Khachatryan, L., Dellinger, B., and 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. PMCID: PMC3983329



Gehling, W., Khachatryan, L., and Dellinger, B. 2013. Hydroxyl Radical Generation from Environmentally Persistent Free Radicals (EPFRs) in PM2.5. Environ. Sci. Technol. DOI: 10.1021/es401770y. 


Herring, P., Khachatryan, L., Lomnicki, S., Dellinger, B. 2013. Paramagnetic centers in particulate formed from the oxidative pyrolysis of 1-methylnaphthalene in the presence of Fe(III)2O3 nanoparticles.Combustion and Flame. 160(12):2996–3003. /j.combustflame.2013.06.025. 


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 PMCID: PMC3831374 


Kibet, J., Khachatryan, L., and Dellinger, B. 2013. Molecular Products from the Thermal Degradation of Glutamic Acid. J. Agric. Food Chem. 61 (32),7696–7704.


Kibet, J., Khachatryan, L., and Dellinger, B. 2013. Molecular Products from the Pyrolysis and Oxidative Pyrolysis of Tyrosine.Chemosphere. 91, 1026−1034.



Khachatryan, L. and McFerrin, C. 2012. Free vs. Bound Hydroxyl Radicals Generated by Environmentally Persistent Free Radicals in Aqueous Solutions. Free Radical Biology and Medicine. 53:S149-S149.PMCID: PMC3230252   

Kibet, J., Khachatryan, L., and Dellinger, B. 2012. Molecular Products and Radicals from Pyrolysis of Lignin. Environ. Sci. Technol. 46, 12994−13001.



Dellinger, B., & Khachatryan, L. 2011. Environmentally Persistent Free Radicals (EPFRs)-2. Are Free Hydroxyl Radicals Generated in Aqueous Solutions? Environ Sci Technol. 45(21):9232-9239. Doi: 10.1021/es201702q. PMCID: PMC3236504

Dellinger, B., Khachatryan, L., Maskos, S., Lomnicki, S. 2011. Free radicals in tobacco smoke. Mini-Reviews in Organic Chemistry. (8) 4, 427-433.

Khachatryan, L., Vejerano, E., Lomnicki, S., & Dellinger, B. 2011. Environmentally Persistent Free Radicals (EPFRs). Generation of Reactive Oxygen Species in Aqueous Solutions. Environ Sci Technol. 45(19): 8559-8566. Doi: 10.1021/es201309c. PMCID: PMC3230252



Khachatryan, L., Adunkpe, J., Asatryan R., Dellinger, B. 2010. Radicals from the Gas-Phase Pyrolysis of Catechol: 1. o-Semiquinone and ipso-Catechol Radicals. J.Phys.Chem., A. 114, 6, 2306-2312.

Khachatryan, L., Asatryan R., McFerrin, C., Adounkpe, J., Dellinger, B. 2010.Radicals from the Gas-Phase Pyrolysis of Catechol. 2. Comparison of the Pyrolysis of Catechol and Hydroquinone. J.Phys. Chem., A. 114, 10110-10116.

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. Kin. 42(2), 90-97.