Subcellular distributions and excited-state processes of hypericin in neurons

Photochemistry and Photobiology, Mar 1999 by English, Doug S, Doyle, Robert T, Petrich, Jacob W, Haydon, Philip G

37. Darmanyan, A. P., L. Burel, D. Eloy and P. Jardon, P. (1994) Singlet oxygen production by hypericin in various solvents. J. Chim. Phys. 91, 1774-1785.

38. Nenghui, W. and Z. Zhiyi (1992) Relationship between photosensitizing activities and chemical structure of hypocrellin A and B. J. Photochem. Photobiol. B BioL 14, 207-217.

39. Diwu, Z. and J. W. Lowen (1993) Photosensitization with anticancer agents. 17. EPR studies of photodynamic action of hypericin: formation of semiquinone radical and activated oxygen species on illumination. Free Radicals Biol. Med. 14, 209-215.

40. Weiner, L. and Y. Mazur (1992) EPR studies of hypericin. Photogeneration of free radicals and superoxide. J. Chem. Soc. Perkin Trans. 2, 1439-1442.

41. Sarkar, N., K. Das, A. Datta, S. Das and K. Bhattacharyya (1996) Solvation dynamics of coumarin 480 in reverse micelles. Slow relaxation of water molecules. J. Phys. Chem. 100, 1052310527.

Doug. S. English1, Robert T. Doyle2, Jacob W. Petrich*l, and Philip G. Haydon*2 Departments of 1Chemistry and 2 Zoology and Genetics, Iowa State University, Ames, IA, USA

*To whom correspondence should be addressed at: Petrich: Department of Chemistry, Iowa State University, Ames, IA 50011-3111, USA. Fax: 515-294-0105; e-mail: jwp@iastate.edu. Haydon: Department of Zoology and Genetics, Iowa State University, Ames, IA 50011-3223, USA. Fax: 515-294-6097;

e-mail: pghaydon@iastate.edu

1999 American Society for Photobiology 0031-8655/99 $5.00 0.00