Influence of polymer nature on porphyrincatalyzed photooxidation processes

被引：0
|
作者：
Aksenova, N. A. [1 ]
Aleksanyan, K. V. [1 ]
Glagolev, N. N. [1 ]
Solov'eva, A. B. [1 ]
Rogovina, S. Z. [1 ]
机构：
[1] Russian Acad Sci, NN Semenov Chem Phys Inst, Moscow, Russia
来源：
PHARMACEUTICAL CHEMISTRY JOURNAL | 2012年 / 46卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
porphyrin photosensitizers; chitosan; polylactide; POLYLACTIDE PLA; CHITOSAN; COPOLYMER; WATER;
D O I：
10.1007/s11094-012-0806-0
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
The photocatalytic activity of some porphyrin photosensitizers (PPSs) in the model reaction of tryptophan photooxidation was shown to decrease in the presence of the biodegradable polymers chitosan and polylactide. Also, the degree of decrease in substrate photooxidation depended on the nature of the polymer. The constant decreased by factors of 4 and 1.1 in the presence of chitosan and polylactide, respectively. This influence of the polymers on the photocatalytic activity of PPSs may have been related to the interaction of macromolecular fragments with the porphyrins. However, preliminary solubilization of PPSs by PluronicA (R) F-127 enabled to be increased 4 times (in chitosan systems) or 1.3 times (in polylactide systems).
引用
收藏
页码：389 / 391
页数：3
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