卟啉-脂质体化合物P-GlyL的紫外可见及荧光光谱性质研究

卟啉-脂质体化合物P-GlyL的紫外可见及荧光光谱性质研究

赵小菁，包咪，金黎明，范圣第

大连民族学院生物工程中心国家民委-教育部共建重点实验室，辽宁大连 116605

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-10-24 发布日期:2006-10-24
通讯作者: 赵小菁

Study of UV-vis and fluorescence spectra properties of the porphyrin-liposome compound P-GlyL

ZHAO Xiao-jing， BAO Mi， JIN Li-ming， FAN Sheng-di

The Key Laboratory of the State Ethnic Affairs Commission-Ministry of Education,Department of Biochemical Engineering, Dalian Nationalities University, Dalian116605, Liaoning, China

Received:1900-01-01 Revised:1900-01-01 Online:2006-10-24 Published:2006-10-24
Contact: ZHAO Xiao-jing

摘要/Abstract

摘要： 以溴代肽脂质BrC5Gly2C16与5,10,15-三苯基-20-对羟基苯基卟啉（HPTPP）为原料，合成一种可用作新型分子器件的卟啉-脂质体化合物P-GlyL。采用元素分析、紫外可见光谱、红外光谱以及核磁共振等进行表征。并对该化合物在不同浓度的金属离子Zn2+溶液中的紫外可见光谱和荧光光谱进行了研究。结果表明，当加入Zn2+之后，形成的金属卟啉化合物荧光强度在650.0nm处下降，而在437.0nm和595.8nm处产生新的荧光发射峰，且荧光强度随着Zn2+浓度增加而增强，而同时349.0nm和698.5nm处的发射峰发生了0.5nm的红移且荧光强度增强。

关键词: 卟啉-脂质体化合物, 荧光光谱, 分子器件

Abstract: Using the bromopeptide BrC5Gly2C16 and 5,10, 15-triphenyl-20-polyhydroxyllphenylporphyrin(HPTPP) as the basic raw materials, the porphyrin-liposome compound P-GlyL was synthesized and characterized by elemental analysis, UV-vis spectra, IR spectra and 1H NMR spectra, which is available for a novel molecular device. The UV-vis spectra and fluorescence spectra of this compound in the Zn2+ solution with a variable concentration was studied. The results show that the emission peak at 650.0nm decreases, and two new emission peaks at 438nm and 595nm appear when the Zn2+ solution is added. The fluorescence intensity is enhanced with an increase of metal ion concentration, while the peaks at 349.0nm and 698.5nm have a small red-shift of 0.5nm with their intensities increasing.

Key words: molecular device , the fluorescence spectra, porphyrin-liposome compound

中图分类号:

O614.24

赵小菁,包咪,金黎明,范圣第 . 卟啉-脂质体化合物P-GlyL的紫外可见及荧光光谱性质研究[J]. J4, 2007, 42(11): 6-10 .

ZHAO Xiao-jing,BAO Mi,JIN Li-ming,FAN Sheng-di . Study of UV-vis and fluorescence spectra properties of the porphyrin-liposome compound P-GlyL[J]. J4, 2007, 42(11): 6-10 .

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