A TR-ESR investigation on the quenching reaction of laser induced excited triplet state of 1,4-naphthoquinone

Xin-sheng XU; Jian WANG; Jing YAN; Guang-lai ZHU; Zhi-feng CUI

[1] Brunmark A, Cadenas E. Redox and addition chemistry of quinoid compounds and its biological implications [J]. Free Radic. Bio. Med., 1989, 7(4): 435-477.

[3] Sugimoto R, Kumagai Y, Nakai Y, et al. 9,10-Phenanthraquinone in diesel exhaust particles downregulates Cu, Zn-SOD and HO-1 in human pulmonary epithelial cells: intracellular iron scavenger 1,10-phenanthroline affords protection against apoptosis [J]. Free Radic. Bio. Med., 2005, 38(3): 388-395.

[4] Chung S W, Chung H Y, Toriba A, et al. An environmental quinoid polycyclic aromatic hydrocarbon, acenaphthenequinone, modulates cyclooxygenase-2 expression through reactive oxygen species generation and nuclear factor kappa B activation in A549 cells [J]. Toxicol. Sci., 2007, 95(2): 348-355.

[5] Sakaguchi Y. Hayashi H. Murai H, et al. CIDEP study of the photochemical reactions of carbonyl compounds showing the external magnetic field effect in a micelle [J]. Chin. Phys. Lett., 1984, 110(3): 275-279.

[6] Li Ganzuo, Mu Jianhai, Li Xizhong, et al. A time-resolved electron spin resonance investigation of the photolysis of 1,4-naphthoquinone in aqueous micellar solutions and microemulsions [J]. Colloid Surf. A, 2001, 194(1-3): 263-270.

[7] Zhang Zhaoxia, Hao Shumei, Zhu Hongping, et al. Photoreactions of 1,4-naphthoquinone with lysozyme studied by laser flash photolysis and steady-state analysis [J]. J. Photochem. Photobiol. B, 2008, 92(2): 77-82.

[8] Kawai A, Obi K. A new mechanism of electron spin polarization generation through radical-excited molecule interactions [J]. Res. Chem. Intermed., 1993, 19(9): 865-894.

[9] Nishioku Y, Ohara K, Mukai K. Time-resolved EPR investigation on the photoreactions of vitamin K with antioxidant vitamins in micelle systems [J]. J. Phys. Chem. B, 2001, 105(21): 5032-5038.

[10] Parker J E, Slater T F, Willson R L. Direct observation of a free radical interaction between Vitamin E and Vitamin C [J]. Nature, 1979, 278: 737-738.

[11] Mukai K, Nishimura M, Kikuchi S. Stopped-flow investigation of the reaction of vitamin C with tocopheroxyl radical in aqueous triton X-100 micellar solutions [J]. J. Biol. Chem., 1991: 26(1): 274.

[12] Bisby R H, Parker A W. Reaction of ascorbate with the -tocopheroxyl radical in micellar and bilayer membrane systems [J]. Arch. Biochem. Biophys., 1995, 317(1): 170-178.

[14] Bisby R H, Parker A W. Reactions of excited triplet duroquinone with -tocopherol and ascorbate: a nanosecond laser flash photolysis and time-resolved resonance Raman investigation [J]. J. Am. Chem. Soc., 1995, 117(21): 5664-5670.

[15] Ohara K, Hashimoto Y, Hamada C, et al. Time-resolved EPR investigation on the photoreactions of vitamin K with antioxidant vitamins in micelle systems [J]. J. Photochem. Photobiol. A: Chem., 2008, 200(2-3): 239-245.

[17] Xu Xinsheng, Zhu Guanglai, et al. A CIDEP study on the photochemical route of duroquinone radicals [J]． Chin. J. Atom. Mol. Phys., 2006, 23: 232.

[18] Konkin A L, Roth H K, Schroedner M, et al. Time-resolved ESR studies on transient radicals photogenerated in solutions of melamine in ethylene glycol [J]. Chem. Phys., 2006, 324(2-3): 563-572.

[19] Muus L T, Atkins P W, Mclauchan K A, et al. Chemically Induced Magnetic Polarization [M]. D. Reidel, Dordrecht, Holland, 1977.

[20] Hore P J, Joslin C G, Mclauchan K A. Chemically induced dynamic electron polarization [J]. J. Chem. Soc. Spec. Period. Rep. ESR, 1979, 5(1): 1-45.

[21] Ohara K, Watanabe R, Mizuta Y, et al. Time-resolved electron paramagnetic resonance investigation of photoinitiated antioxidant reaction of vitamin C (ascorbic acid) with xanthone in aqueous sodium lauryl sulfate, hexadecyltrimethyl-ammonium chloride, and Triton X-100 micelle solutions [J]. J. Phys. Chem. B, 2003, 107(41): 11527-11533.

[22] Eveson R W, Mclauchlan K A. Electron spin polarization (CIDEP) studies of the dynamics of geminate free radical reactions [J]. Molecular Phys., 1999, 9(1): 133-142.