B.S.(Honors), California State University, Sacramento - Ph.D., University of California, Los Angeles - Postdoctoral Fellowship, University of Texas

Organic Chemistry Characterization of reactive intermediates and reaction mechanisms in hydroxyl radical and singlet oxygen mediated oxidations

“Identification of TiO2 photocatalytic destruction byproducts and reaction pathway of cylindrospermopsin", Geshan Zhang, Elizabeth M Wurtzler, Xuexiang He, Mallikarjuna N Nadagouda, Kevin O'Shea, Said M El-Sheikh, Adel A Ismail, David Wendell, Dionysios D Dionysiou, Applied Catalysis B: Environmental, 2015, 163, 591-598 IF=6.031 "Selective Reduction of Cr(VI) in Chromium, Copper and Arsenic (CCA) Mixed Waste Streams Using UV/TiO2 Photocatalysis", Shan Zheng, Wenjun Jiang, Mamun Rashid, Yong Cai, Dionysios D. Dionysiou, Kevin E. O'Shea, Molecules 2015, 20, 2622-2635 “Reductive and oxidative degradation of iopamidol, iodinated X-ray contrast media, by Fe (III)-oxalate under UV and visible light treatment”, Cen Zhao, Luis E Arroyo-Mora, Anthony P DeCaprio, Virender K Sharma, Dionysios D Dionysiou, Kevin E O'Shea, Water research 2014, 67, 144-153 IF=5.389 "Kinetics and mechanisms of cylindrospermopsin destruction by sulfate radical-based advanced oxidation processes", Xuexiang He, A Armah, Kevin E O'Shea, Dionysios D Dionysiou, Water research 63, 168-178 IF=5.389 "Oxidation of Microcystin-LR by Ferrate (VI): Kinetics, Degradation Pathways, and Toxicity Assessments", Wenjun Jiang, Long Chen, Sudha Rani Batchu, Piero R Gardinali, Libor Jasa, Blahoslav Marsalek, RadekZboril, Dionysios D Dionysiou, Kevin E O’Shea, Virender K Sharma, Environmental science & technology, 2014, 48 (20), 12164-12172 IF=5.865 "High performance sulfur, nitrogen and carbon doped mesoporous anatase–brookiteTiO2 photocatalyst for the removal of microcystin-LR under visible light irradiation", Said M El-Sheikh, Geshan Zhang, Hamza M El-Hosainy, Adel A Ismail, Kevin E O'Shea, Polycarpos Falaras, Athanassios G Kontos, Dionysios D Dionysiou, Journal of hazardous materials, 2014, 280, 723-733 IF=4.679 "Revealing the degradation intermediates and pathways of visible light-induced NF-TiO2 photocatalysis of microcystin-LR", Joel Andersen, Changseok Han, Kevin O'Shea, Dionysios D Dionysiou, Applied Catalysis B: Environmental,2014, 154, 259-266 IF=6.031 "New Insights into the Mechanism of Visible Light Photocatalysis", Swagata Banerjee, Suresh C Pillai, Polycarpos Falaras, Kevin E O’Shea, John A Byrne, Dionysios D Dionysiou, The Journal of Physical Chemistry Letters, 2014, 5 (15), 2543-2554 IF=6.651 "Solar photocatalytic disinfection of water using titanium dioxide graphene composites", P Fernández-Ibáñez, MI Polo-López, S Malato, S Wadhwa, JWJ Hamilton, PSM Dunlop, R D’Sa, E Magee, K O’Shea, DD Dionysiou, JA Byrne, Chemical Engineering Journal, 2015, 36-44 IF=3.61 "Ultraviolet–Visible Light–Sensitive High Surface Area Phosphorous-Fluorine–Co-Doped TiO2 Nanoparticles for the Degradation of Atrazine in Water", Javed Ali Khan, Changseok Han, Noor S Shah, Hasan M Khan, Mallikarjuna N Nadagouda, VlassisLikodimos, PolycarposFalaras, Kevin O'Shea, Dionysios D Dionysiou, Environmental Engineering Science, 2014, 31 (7), 435-446 IF=NA "Cr (VI) Adsorption and Reduction by Humic Acid Coated on Magnetite", Wenjun Jiang, QuanCai, Wei Xu, Mingwei Yang, Yong Cai, Dionysios D Dionysiou, Kevin E O'Shea, Environmental Science & Technology, 2014, 8078-8085 IF=5.865 "Solar photocatalysis for water disinfection: materials and reactor design", DA Keane, KG McGuigan, PF Ibáñez, MI Polo-López, JA Byrne, .Kevin O’Shea, Catalysis Science & Technology 2014, 4 (5), 1211-1226, IF=3.465 "Evaluating the Mechanism of Visible Light Activity for N, F-TiO2 Using Photoelectrochemistry", Jeremy Hamilton, Tony Byrne, Patrick Dunlop, Dionysios D Dionysiou, Miguel Pelaez, Kevin E O'Shea, Damian Synnott, Suresh C Pillai, The Journal of Physical Chemistry C, 2014, 12206-12215 IF=5.152 "Degradation of cylindrospermopsin by using polymorphic titanium dioxide under UV–Vis irradiation", Geshan Zhang, Mallikarjuna N Nadagouda, Kevin O'Shea, Said M El-Sheikh, Adel A Ismail, VlassisLikodimos, PolycarposFalaras, Dionysios D Dionysiou, Catalysis Today, 2014, 224, 49-55 IF=3.464 "UV and visible light activated TiO2 photocatalysis of 6-hydroxymethyl uracil, a model compound for the potent cyanotoxin cylindrospermopsin", Cen Zhao, Miguel Pelaez, Dionysios D Dionysiou, Suresh C Pillai, John A Byrne, Kevin E O'Shea, Catalysis Today, 2014, 224, 70-76 IF=3.464 "Adsorption and photocatalytic degradation of aromatic organoarsenic compounds in TiO2 suspension", Shan Zheng, Wenjun Jiang, Yong Cai, Dionysios D Dionysiou, Kevin E O'Shea, Catalysis Today, 2014, 224, 83-88 IF=3.464 "Degradation Mechanism of Cyanobacterial Toxin Cylindrospermopsin by Hydroxyl Radicals in Homogeneous UV/H2O2 Process", Xuexiang He, Geshan Zhang, Armah A de la Cruz, Kevin E O’Shea, Dionysios D Dionysiou, Environmental science & technology, 2014, 48 (8), 4495-4504 IF=5.865 "Visible light-sensitized S, N and C co-doped polymorphic TiO2 for photocatalytic destruction of microcystin-LR", Geshan Zhang, Yong Cai Zhang, Mallikarjuna Nadagouda, Changseok Han, Kevin O'Shea, Said M El-Sheikh, Adel A Ismail, Dionysios D Dionysiou, Applied Catalysis B: Environmental, 2014, 144, 614-621 IF=6.031 "Improved charge transport of Nb-doped TiO2 nanorods in methylammonium lead iodide bromide perovskite solar cells", Mengjin Yang, Rui Guo, Kamal Kadel, Yunyan Liu, Kevin O'Shea, Richard Bone, Xuewen Wang, Jin He, Wenzhi Li, Journal of Materials Chemistry A, 2014, 2 (46), 19616-19622 IF=4.091 "Practices that Prevent the Formation of Cyanobacterial Blooms in Water Resources and Remove Cyanotoxins During Physical Treatment of Drinking Water", Maria G., Antoniou, Armah A. de La Cruz, Miguel Pelaez, C. Han, X. He, Dionysios D. Dionysiou, Weihua Song, Kevin E. O’Shea, L. Ho, G Newcombe, et al in Ahuja S. (ed) Comprehensive Water Quality and Purification, Volume 2, 2014, Elsevier Inc, 173-195, doi: 10.1016/B978-0-12-382182-9.00032-3 IF=NA "NF-TiO2 photocatalysis of amitrole and atrazine with addition of oxidants under simulated solar light: Emerging synergies, degradation intermediates, and reusable attributes", Joel Andersen, Miguel Pelaez, L. Guay, Z. Zhang, Kevin E. O’Shea, and Dionysios D. Dionysiou, Journal of Hazardous Materials, 2013, 260, 569-575 IF=4.679 "Efficient removal of endosulfan from aqueous solution by UV-C/peroxides: A comparative study", N.S. Shah, X. He, H.M. Khan, J.A. Khan, Kevin E. O’Shea, D.L. Boccelli, and Dionysios D. Dionysiou, Journal of Hazardous Materials, 2013, 263, 584-592 IF=4.679 "Role of pH on photolytic and photocatalytic degradation of antibiotic Oxytetracycline in aqueous solution under visible/solar light: Kinetics and mechanism studies", Chun Zhao, Miguel Pelaez, Xiaodi Duan, Huiping Deng, Kevin E. O'Shea, Despo Fatta-Kassinos, and Dionysios D. Dionysiou, Applied Catalysis, B: Environmental 2013, 134-135, 83-92 IF=6.031 "Chromium(VI) removal by maghemite nanoparticles", Wenjun Jiang, Miguel Pelaez, Dionysios D. Dionysiou, Mohammad H. Entezari, Dimitra Tsoutsou, and Kevin E. O'Shea, Chemical Engineering Journal 2013, 222, 527-533.) IF=3.691 "Chapter green nanotechnology: Development of nanomaterials for environmental and energy applications", Changseok Han, Joel Andersen, Suresh C. Pillai, Rachel Fagan, Polycarpos Falaras, J. Anthony Byrne, Patrick S. M. Dunlop, Hyeok Choi, Wenjun Jiang, Kevin O'Shea, et al ACS Symp. Ser. 1124, 2013, 201-229. IF=NA