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29 December 1997 Effect of chlorin e6 and photosensitizer-superoxide dismutase complexes on ion-transporting processes of blood cells
Grigor Gyulkhandanyan, Anatoly P. Losev, Armen V. Gyulkhandanyan, Vladimir A. Hovhannisyan, Hakop K. Karagulyan, Margarita M, Korkhmazyan
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Proceedings Volume 3191, Photochemotherapy: Photodynamic Therapy and Other Modalities III; (1997) https://doi.org/10.1117/12.297820
Event: BiOS Europe '97, 1997, San Remo, Italy
Abstract
The interaction of aromatic amino acids, superoxide dismutase (SOD) and bovine serum albumin (BSA) with chlorin e6 (Chl) and formation of complexes were studied. The decrease of the efficiency of photochemical destruction in the absence of oxygen was observed. The changes of SOD absorption spectra in UV region agree with our former results on irreversible decrease of protein's tryptophan (Trp) luminescence under irradiation. At the same time no changes in enzymatic activity of irradiated SOD in the presence of Chl were detected. The irradiation effect on K+ and H+ ions movement across the membrane of erythrocytes loaded with Chl was studied.
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Grigor Gyulkhandanyan, Anatoly P. Losev, Armen V. Gyulkhandanyan, Vladimir A. Hovhannisyan, Hakop K. Karagulyan, and Margarita M, Korkhmazyan "Effect of chlorin e6 and photosensitizer-superoxide dismutase complexes on ion-transporting processes of blood cells", Proc. SPIE 3191, Photochemotherapy: Photodynamic Therapy and Other Modalities III, (29 December 1997); https://doi.org/10.1117/12.297820
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KEYWORDS
Blood
Absorption
Ions
Luminescence
Oxygen
Ultraviolet radiation
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