Catalysis and photocatalysis by phthalocyanines for technology, ecology and medicine

Quenching of singlet oxygen by natural and synthetic antioxidants and assessment of electronic UV/Visible absorption spectra for alleviating or enhancing the efficacy of photodynamic therapy

“…In the case of PDT, some antioxidant molecules are reported to enhance the photodamaging effect of photosensitizer used in photodynamic therapy with various sensitizers and tumor models such as α-Tocopherol (Jakus and Farkas, 2005;Melnikova et al, 1999), Ascorbic acid (Bachowski et al, 1988;Buettner et al, 1993;Girotti et al, 1985;Jakus and Farkas, 2005;Kaliya et al, 1999;Kelley et al, 1997;Rosenthal and Ben-Hur, 1992), water-soluble vitamin E analog, Trolox (Jakus and Farkas, 2005;Melnikova et al, 2000) and BHA (Jakus and Farkas, 2005;. Therefore, few antioxidants can exaggerate the effects of photodynamic therapy with unknown mechanism.…”

Catalytic Properties of Cobalt meso-Tetrakis(4-methylpyridiniumyl)­porphyrin Tetratosylate in the Oxidation of Sodium Diethyldithiocarbamate

“…Для порфириновых макроциклов такой факт экспериментально установлен впервые, однако в литературе имеются данные о катализе безметальными фталоцианинами [16][17][18] и порфиринами [19] процессов окисления углеводородов (аренов, алкенов, некоторых красителей). На наш взгляд, важен принципиальный результат проявления каталитической активности собственно порфиринов в процессе окисления диэтилдитиокарбамата как представителя класса соединений вида RSH.…”

Synthetic approaches to asymmetric phthalocyanines and their analogues

“…[1][2][3][4][5][6][7] Initially after their discovery, phthalocyanines were predominantly used as pigments and dyes in the textile and paper industries because of their chemical, photochemical, and thermal stabilities. 8,9 In more recent decades the chemistry of substituted phthalocyanines has undergone tremendous growth, [10][11][12] and, in addition to traditional applications, substituted and unsubstituted phthalocyanines have found potential applications in industrial catalysis, [13][14][15][16][17][18] photosensitizers for photodynamic cancer therapy, 16,[19][20][21][22][23][24][25][26] markers for bioimaging, 27,28 antibacterial composites, [29][30][31][32] materials for ink-jet printing, 33 chemical sensors, [34][35][36][37] semiconductors, 38,39 functional polymers and liquid crystals, [40][41][42][43] light-harvesting modules for dye-sensitized solar cells and organic photovoltaics, …”