title: Light-induced transformations of hematoporphyrin diacetate and hematoporphyrin.
abstract: Illumination of hematoporphyrin diacetate (HP-Diac) and hematoporphyrin (HP) in phosphate-buffered solutions causes the formation of a stable photoproduct absorbing at 636 nm. Simultaneously the photo-oxidation of HP-Diac and HP takes place. These phototransformations depend on the illumination dose and the concentration of the HP-Diac or HP solution, and cause qualitatively the same spectral changes independently of the light source used.
authors.affiliation: Vilnius University Laser Research Centre, Lithuania.
authors.forename: J
authors.initials: J
authors.lastname: Rotomskiene
authors.forename: R
authors.initials: R
authors.lastname: Kapociute
authors.forename: R
authors.initials: R
authors.lastname: Rotomskis
authors.forename: G
authors.initials: G
authors.lastname: Jonusauskas
authors.forename: T
authors.initials: T
authors.lastname: Szitó
authors.forename: A
authors.initials: A
authors.lastname: Nizhnik
mesh_terms: D006415:Hematoporphyrins; D008027:Light; D010084:Oxidation-Reduction; D010777:Photochemistry; D013057:Spectrum Analysis
chemical_list: D006415:Hematoporphyrins; C039137:O,O'-diacetylhematoporphyrin