Excitation energy effect on the early photophysics of hypericin in solution

[1]  Patrizia Agostinis,et al.  Hypericin as a potential phototherapeutic agent in superficial transitional cell carcinoma of the bladder , 2004, Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology.

[2]  M. Gobbi,et al.  The antidepressant mechanism of Hypericum perforatum. , 2004, Life sciences.

[3]  D. Wiersma,et al.  FEMTOCHEMISTRY AND FEMTOBIOLOGY: ULTRAFAST EVENTS IN MOLECULAR SCIENCE , 2004 .

[4]  A. Sgarbossa,et al.  Photoreception and photomovements of microorganisms. , 2002, Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology.

[5]  Ioannis P. Gerothanassis,et al.  Towards a consensus structure of hypericin in solution: direct evidence for a single tautomer and different ionization states in protic and nonprotic solvents by the use of variable temperature gradient 1H NMR , 2002 .

[6]  P. Agostinis,et al.  Hypericin in cancer treatment: more light on the way. , 2002, The international journal of biochemistry & cell biology.

[7]  H. Falk,et al.  The Protonation and Deprotonation Equilibria of Hypericin Revisited , 2002 .

[8]  J. Petrich,et al.  Is the Excited-State H-atom Transfer in Hypericin Concerted?¶ , 2001, Photochemistry and photobiology.

[9]  A. Prince,et al.  Pharmacokinetics, Safety, and Antiviral Effects of Hypericin, a Derivative of St. John's Wort Plant, in Patients with Chronic Hepatitis C Virus Infection , 2001, Antimicrobial Agents and Chemotherapy.

[10]  J. Petrich,et al.  Effect of pH on the Fluorescence and Absorption Spectra of Hypericin in Reverse Micelles¶ , 2000, Photochemistry and photobiology.

[11]  J. Petrich Excited-state intramolecular H-atom transfer in nearly symmetrical perylene quinones: Hypericin, hypocrellin, and their analogues , 2000 .

[12]  Falk,et al.  From the Photosensitizer Hypericin to the Photoreceptor Stentorin- The Chemistry of Phenanthroperylene Quinones. , 1999, Angewandte Chemie.

[13]  A. V. Smirnov,et al.  Excited-State Intramolecular H Atom Transfer of Hypericin and Hypocrellin A Investigated by Fluorescence Upconversion , 1999 .

[14]  J. Petrich,et al.  Photophysics of Hypericin and Hypocrellin A in Complex with Subcellular Components: Interactions with Human Serum Albumin , 1999, Photochemistry and photobiology.

[15]  W. Jenks,et al.  QUENCHING OF EXCITED TRIPLET STATE HYPERICIN WITH ENERGY ACCEPTORS AND DONORS AND ACCEPTORS OF ELECTRONS , 1999 .

[16]  J. Petrich,et al.  Temperature Dependence of the Excited-State Intramolecular Proton Transfer Reaction in Hypericin and Hypocrellin A , 1999 .

[17]  Jacob W. Petrich,et al.  Picosecond Linear Dichroism and Absorption Anisotropy of Hypocrellin: Toward a Unified Picture of the Photophysics of Hypericin and Hypocrellin , 1998 .

[18]  Mark S. Gordon,et al.  Structure and Energetics of Ground-State Hypericin: Comparison of Experiment and Theory , 1998 .

[19]  Jaehun Park,et al.  Confirmation of Excited-State Proton Transfer and Ground-State Heterogeneity in Hypericin by Fluorescence Upconversion , 1997 .

[20]  R. Altmann,et al.  The deprotonation and protonation equilibria of a hypericin derivative in aqueous solution , 1997 .

[21]  George A. Kraus,et al.  Hypericin, Hypocrellin, and Model Compounds: Primary Photoprocesses of Light-Induced Antiviral Agents , 1997 .

[22]  George A. Kraus,et al.  Excited-State Photophysics of Hypericin and Its Hexamethoxy Analog: Intramolecular Proton Transfer as a Nonradiative Process in Hypericin , 1997 .

[23]  J. Hynes,et al.  Curve Crossing Formulation for Proton Transfer Reactions in Solution , 1996 .

[24]  M. Maroncelli,et al.  Subpicosecond Measurements of Polar Solvation Dynamics: Coumarin 153 Revisited , 1995 .

[25]  F. Gai,et al.  Role of Solvent in Excited-State Proton Transfer in Hypericin , 1994 .

[26]  F. Gai,et al.  OBSERVATION OF EXCITED-STATE TAUTOMERIZATION IN THE ANTIVIRAL AGENT HYPERICIN AND IDENTIFICATION OF ITS FLUORESCENT SPECIES , 1994 .

[27]  Y. Mazur,et al.  Triplet-state reactions of hypericin: time-resolved laser photolysis and electron paramagnetic resonance spectroscopy , 1993 .

[28]  I. Yamazaki,et al.  Excited-state properties of hypericin: electronic spectra and fluorescence decay kinetics , 1993 .

[29]  M. Martin,et al.  Generation of tunable subpicosecond pulses using low-Q dye cavities. , 1992, Applied optics.

[30]  N. Pace,et al.  Hypericin, the Photodynamic Pigment from St. John'swort , 1941 .