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Spectroscopic studies of second-generation sensitizers and their photochemical reactions in liposomes and cells

机译:光谱研究第二代增敏剂及其在脂质体和细胞中的光化学反应

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Abstract: The photosensitization mechanism and kinetics of hematoporphyrin derivative (HPD), photofrin II (PF-II) and Zn$+2$PLU$/-phthalocyanine tetrahydroxyl (ZnPC) are compared with the newly introduced sensitizers Zn$+2$PLU$/ and Mg$+2$PLU$/-tetrabenzoporphyrin (ZnTBP and MgTBP), in lipid vesicles. 9,10-dimethyl anthracene was used as a fluorescent target for singlet oxygen-mediated photosensitization. From the kinetics the quantum yield of singlet oxygen generation was calculated. MgTBP is compared with hematoporphyrin for the ability to photodamage bacterial cells and human cancer cells. MgTBP was found to have a comparable capacity for such a biological effect.!
机译:摘要:将血卟啉衍生物(HPD),光敏蛋白II(PF-II)和Zn $ + 2 $ PLU $ /酞菁四羟基(ZnPC)的光敏化机理和动力学与新引入的敏化剂Zn $ + 2 $ PLU $进行了比较。 /和Mg $ + 2 $ PLU $ /-四苯并卟啉(ZnTBP和MgTBP),在脂质囊泡中。 9,10-二甲基蒽用作单线态氧介导的光敏作用的荧光靶。从动力学计算单重态氧产生的量子产率。将MgTBP与血卟啉进行光损伤细菌细胞和人类癌细胞的能力进行比较。发现MgTBP具有可比的这种生物效应能力。

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