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Items: 1 to 20 of 97

1.

Carotenoid radical formation: dependence on conjugation length.

Focsan AL, Bowman MK, Molnár P, Deli J, Kispert LD.

J Phys Chem B. 2011 Aug 4;115(30):9495-506. doi: 10.1021/jp204787b. Epub 2011 Jul 13.

2.

EPR study of the astaxanthin n-octanoic acid monoester and diester radicals on silica-alumina.

Focsan AL, Bowman MK, Shamshina J, Krzyaniak MD, Magyar A, Polyakov NE, Kispert LD.

J Phys Chem B. 2012 Nov 8;116(44):13200-10. doi: 10.1021/jp307421e. Epub 2012 Oct 25.

PMID:
23039790
3.
4.

EPR spin trapping detection of carbon-centered carotenoid and beta-ionone radicals.

Konovalova TA, Kispert LD, Polyakov NE, Leshina TV.

Free Radic Biol Med. 2000 Apr 1;28(7):1030-8.

PMID:
10832064
5.

Pulsed EPR and DFT characterization of radicals produced by photo-oxidation of zeaxanthin and violaxanthin on silica-alumina.

Focsan AL, Bowman MK, Konovalova TA, Molnár P, Deli J, Dixon DA, Kispert LD.

J Phys Chem B. 2008 Feb 14;112(6):1806-19. doi: 10.1021/jp0765650. Epub 2008 Jan 19.

PMID:
18205344
6.

Radicals formed from proton loss of carotenoid radical cations: A special form of carotenoid neutral radical occurring in photoprotection.

Focsan AL, Kispert LD.

J Photochem Photobiol B. 2017 Jan;166:148-157. doi: 10.1016/j.jphotobiol.2016.11.015. Epub 2016 Nov 19.

PMID:
27912180
7.

Free radical formation in novel carotenoid metal ion complexes of astaxanthin.

Polyakov NE, Focsan AL, Bowman MK, Kispert LD.

J Phys Chem B. 2010 Dec 23;114(50):16968-77. doi: 10.1021/jp109039v. Epub 2010 Nov 29.

8.

DFT and ENDOR Study of Bixin Radical Cations and Neutral Radicals on Silica-Alumina.

Tay-Agbozo SS, Krzyaniak MD, Bowman MK, Street S, Kispert LD.

J Phys Chem B. 2015 Jun 18;119(24):7170-9. doi: 10.1021/jp506806n. Epub 2014 Oct 21.

PMID:
25333911
9.

Chemistry of carotenoid neutral radicals.

Ligia Focsan A, Magyar A, Kispert LD.

Arch Biochem Biophys. 2015 Apr 15;572:167-174. doi: 10.1016/j.abb.2015.02.005. Epub 2015 Feb 14. Review.

PMID:
25687648
10.

Reactions of 5-methylcytosine cation radicals in DNA and model systems: thermal deprotonation from the 5-methyl group vs. excited state deprotonation from sugar.

Adhikary A, Kumar A, Palmer BJ, Todd AD, Heizer AN, Sevilla MD.

Int J Radiat Biol. 2014 Jun;90(6):433-45. doi: 10.3109/09553002.2014.884293. Epub 2014 Feb 10.

11.

Electrochemical study of astaxanthin and astaxanthin n-octanoic monoester and diester: tendency to form radicals.

Focsan AL, Pan S, Kispert LD.

J Phys Chem B. 2014 Mar 6;118(9):2331-9. doi: 10.1021/jp4121436. Epub 2014 Feb 21.

PMID:
24494596
12.

Carotenoid radical cation formation in LH2 of purple bacteria: a quantum chemical study.

Wormit M, Dreuw A.

J Phys Chem B. 2006 Nov 30;110(47):24200-6.

PMID:
17125392
13.

Excitation energy transfer and carotenoid radical cation formation in light harvesting complexes - a theoretical perspective.

Wormit M, Harbach PH, Mewes JM, Amarie S, Wachtveitl J, Dreuw A.

Biochim Biophys Acta. 2009 Jun;1787(6):738-46. doi: 10.1016/j.bbabio.2009.01.021. Epub 2009 Feb 5.

14.

Density functional theory study of the beta-carotene radical cation and deprotonated radicals.

Gao Y, Focsan AL, Kispert LD, Dixon DA.

J Phys Chem B. 2006 Dec 7;110(48):24750-6.

PMID:
17134239
15.

Pulsed electron nuclear double resonance studies of carotenoid oxidation in Cu(II)-substituted MCM-41 molecular sieves.

Lawrence J, Focsan AL, Konovalova TA, Molnar P, Deli J, Bowman MK, Kispert LD.

J Phys Chem B. 2008 May 1;112(17):5449-57. doi: 10.1021/jp711310u. Epub 2008 Apr 8.

PMID:
18393549
16.

The formation of DNA sugar radicals from photoexcitation of guanine cation radicals.

Shukla LI, Pazdro R, Huang J, DeVreugd C, Becker D, Sevilla MD.

Radiat Res. 2004 May;161(5):582-90.

PMID:
15161365
17.

The interaction of dietary carotenoids with radical species.

Mortensen A, Skibsted LH, Truscott TG.

Arch Biochem Biophys. 2001 Jan 1;385(1):13-9. Review.

PMID:
11361009
18.

Carotenoid radical cations and dications: EPR, optical, and electrochemical studies.

Kispert LD, Konovalova T, Gao Y.

Arch Biochem Biophys. 2004 Oct 1;430(1):49-60. Review.

PMID:
15325911
19.
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