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Photophysics of sulphonated aluminum phthalocyanines in reversed micelles

机译:反向胶束中磺化铝酞菁的光物理性质

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Abstract: The photophysics of sulphonated aluminum phthalocyanines, AlPcS$-n$/ (n $EQ 0, 1, 2, 3 or 4), potential second-generation phototherapeutic agents for tumors, in cationic reversed micelles of benzyl ammonium hexadecyl chloride (BHDC) and anionic reversed micelles of sodium di(2-ethylhexyl) sulphosuccinate (AOT) have been investigated. Absorption spectroscopy, as well as steady state and time-resolved fluorescence emission studies, indicate that in BHDC the di- and tri-sulphonated derivatives are essentially monomeric whereas in AOT only the di-sulphonated phthalocyanine was found to be monomeric. The distribution of AlPcS$-n$/ in the reversed micelles, which appears to be strongly influenced by the extent of sulphonation and the environment of the reversed micelle, is discussed. It is anticipated that extrapolation can then be made to heterogeneous systems such as are found in biomembranes. !27
机译:摘要:苄基十六烷基氯化铵(BHDC)的阳离子反胶束中的磺化铝酞菁铝的光物理性质AlPcS $ -n $ /(n $ EQ 0、1、2、3或4)是潜在的第二代肿瘤光疗剂。 )和二(2-乙基己基)磺基琥珀酸钠(AOT)的阴离子反向胶束已得到研究。吸收光谱以及稳态和时间分辨的荧光发射研究表明,在BHDC中,二磺化和三磺化衍生物基本上是单体的,而在AOT中,只有二磺化的酞菁是单体的。讨论了AlPcS $ -n $ /在反胶束中的分布,这似乎受到磺化程度和反胶束环境的强烈影响。可以预期可以对诸如生物膜中发现的异质系统进行推断。 !27

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