21 Publications
2015
Chemistry of carotenoid neutral radicals.
Ligia Focsan, A⋅Magyar, Adam and Kispert, Lowell D
Archives of biochemistry and biophysics, vol. 572, pp. 167-174, April 15, 2015. | Journal Article
2014
Electrochemical study of astaxanthin and astaxanthin n-octanoic monoester and diester: tendency to form radicals.
Focsan, A L⋅Pan, Shanlin and Kispert, Lowell D
The journal of physical chemistry. B, vol. 118, (no. 9), pp. 2331-9, 2014/Mar/6. | Journal Article
2013
Neutral carotenoid radicals in photoprotection of wild-type Arabidopsis thaliana.
Magyar, Adam⋅Bowman, Michael K⋅Molnár, Péter and Kispert, Lowell D
The journal of physical chemistry. B, vol. 117, (no. 8), pp. 2239-46, 2013/Feb/28. | Journal Article
 
Photochemical and optical properties of water-soluble xanthophyll antioxidants: aggregation vs complexation.
Polyakov, Nikolay E⋅Magyar, Adam and Kispert, Lowell D
The journal of physical chemistry. B, vol. 117, (no. 35), pp. 10173-82, 2013/Sep/5. | Journal Article
2012
EPR study of the astaxanthin n-octanoic acid monoester and diester radicals on silica-alumina.
Focsan, A L⋅Bowman, Michael K⋅Shamshina, Julia⋅Krzyaniak, Matthew D⋅Magyar, Adam⋅Polyakov, Nikolay E and Kispert, Lowell D
The journal of physical chemistry. B, vol. 116, (no. 44), pp. 13200-10, 2012/Nov/8. | Journal Article
2011
Carotenoid radical formation: dependence on conjugation length.
Focsan, A L⋅Bowman, Michael K⋅Molnár, Péter⋅Deli, József and Kispert, Lowell D
The journal of physical chemistry. B, vol. 115, (no. 30), pp. 9495-506, 2011/Aug/4. | Journal Article
2010
CIDNP and EPR study of phototransformation of lappaconitine derivatives in solution.
Polyakov, Nikolay E⋅Simaeva, Olga A⋅Taraban, Marc B⋅Leshina, Tatyana V⋅Konovalova, Tatyana A⋅Kispert, Lowell D⋅Nikitina, Irina A⋅Pankrushina, Natalia A and Tkachev, Alexey V
The journal of physical chemistry. B, vol. 114, (no. 13), pp. 4646-51, 2010/Apr/8. | Journal Article
 
Enhancement of the photocatalytic activity of TiO2 nanoparticles by water-soluble complexes of carotenoids.
Polyakov, Nikolay E⋅Leshina, Tatyana V⋅Meteleva, Elizaveta S⋅Dushkin, Alexander V⋅Konovalova, Tatyana A and Kispert, Lowell D
The journal of physical chemistry. B, vol. 114, (no. 45), pp. 14200-4, 2010/Nov/18. | Journal Article
 
Free radical formation in novel carotenoid metal ion complexes of astaxanthin.
Polyakov, Nikolay E⋅Focsan, A L⋅Bowman, Michael K and Kispert, Lowell D
The journal of physical chemistry. B, vol. 114, (no. 50), pp. 16968-77, 2010/Dec/23. | Journal Article
2009
Formation of carotenoid neutral radicals in photosystem II.
Gao, Yunlong⋅Shinopoulos, Katherine E⋅Tracewell, Cara A⋅Focsan, A L⋅Brudvig, Gary W and Kispert, Lowell D
The journal of physical chemistry. B, vol. 113, (no. 29), pp. 9901-8, 2009/Jul/23. | Journal Article
 
Measuring Ti(III)-carotenoid radical interspin distances in TiMCM-41 by pulsed EPR relaxation enhancement method.
Konovalova, Tatyana A⋅Li, Shenggang⋅Polyakov, Nikolay E⋅Focsan, A L⋅Dixon, David A and Kispert, Lowell D
The journal of physical chemistry. B, vol. 113, (no. 25), pp. 8704-16, 2009/Jun/25. | Journal Article
 
Water soluble complexes of carotenoids with arabinogalactan.
Polyakov, Nikolay E⋅Leshina, Tatyana V⋅Meteleva, Elizaveta S⋅Dushkin, Alexander V⋅Konovalova, Tatyana A and Kispert, Lowell D
The journal of physical chemistry. B, vol. 113, (no. 1), pp. 275-82, 2009/Jan/8. | Journal Article
2008
Pulsed electron nuclear double resonance studies of carotenoid oxidation in Cu(II)-substituted MCM-41 molecular sieves.
Lawrence, Jesse⋅Focsan, A L⋅Konovalova, Tatyana A⋅Molnar, Peter⋅Deli, Jozsef⋅Bowman, Michael K and Kispert, Lowell D
The journal of physical chemistry. B, vol. 112, (no. 17), pp. 5449-57, 2008/May/1. | Journal Article
 
Pulsed EPR and DFT characterization of radicals produced by photo-oxidation of zeaxanthin and violaxanthin on silica-alumina.
Focsan, A L⋅Bowman, Michael K⋅Konovalova, Tatyana A⋅Molnár, Péter⋅Deli, Jozsef⋅Dixon, David A and Kispert, Lowell D
The journal of physical chemistry. B, vol. 112, (no. 6), pp. 1806-19, 2008/Feb/14. | Journal Article
2006
Density functional theory study of the beta-carotene radical cation and deprotonated radicals.
Gao, Yunlong⋅Focsan, A L⋅Kispert, Lowell D and Dixon, David A
The journal of physical chemistry. B, vol. 110, (no. 48), pp. 24750-6, 2006/Dec/7. | Journal Article
 
DFT and experimental examination of the oxidation/reduction of a thiol-substituted carotenoid with gold versus glassy carbon electrodes.
Gao, Yunlong⋅Focsan, A L⋅Li, Yuan Y and Kispert, Lowell D
The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment & general theory, vol. 110, (no. 33), pp. 10091-7, 2006/Aug/24. | Journal Article
 
Host-guest complexes of carotenoids with beta-glycyrrhizic acid.
Polyakov, Nikolay E⋅Leshina, Tatyana V⋅Salakhutdinov, Nariman F and Kispert, Lowell D
The journal of physical chemistry. B, vol. 110, (no. 13), pp. 6991-8, 2006/Apr/6. | Journal Article
2004
Carotenoid radical cations and dications: EPR, optical, and electrochemical studies.
Kispert, Lowell D⋅Konovalova, Tatyana and Gao, Yunlong
Archives of biochemistry and biophysics, vol. 430, (no. 1), pp. 49-60, 2004/Oct/1. | Journal Article
 
Inclusion complexes of carotenoids with cyclodextrins: 1H NMR, EPR, and optical studies.
Polyakov, Nikolai E⋅Leshina, Tatyana V⋅Konovalova, Tatyana A⋅Hand, Elli O and Kispert, Lowell D
Free radical biology & medicine, vol. 36, (no. 7), pp. 872-80, 2004/Apr/1. | Journal Article
2001
Carotenoids as antioxidants: spin trapping EPR and optical study.
Polyakov, N E⋅Kruppa, A I⋅Leshina, T V⋅Konovalova, T A and Kispert, Lowell D
Free radical biology & medicine, vol. 31, (no. 1), pp. 43-52, 2001/Jul/1. | Journal Article
 
Single two-electron transfers vs successive one-electron transfers in polyconjugated systems illustrated by the electrochemical oxidation and reduction of carotenoids.
Hapiot, P⋅Kispert, Lowell D⋅Konovalov, V V and Savéant, J M
Journal of the American Chemical Society, vol. 123, (no. 27), pp. 6669-77, 2001/Jul/11. | Journal Article