Studies on the spectroscopic behavior of cryptotanshinone, tanshinone IIA, and tanshinone I

被引:12
|
作者
Li, JF [1 ]
Wei, YX [1 ]
Xu, ZC [1 ]
Dong, C [1 ]
Shuang, SM [1 ]
机构
[1] Shanxi Univ, Inst Chem & Chem Engn, Taiyuan 030006, Peoples R China
基金
中国国家自然科学基金;
关键词
cryptotanshinone; tanshinone IIA; tanshinone I; phosphorescence; fluorescence;
D O I
10.1016/S1386-1425(03)00286-5
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
A comparative study on the spectroscopic behavior of cryptotanshinone (CTan), tanshinone IIA (Tan IIA), and tanshinone I (Tan I) has been investigated, including UV-Vis absorption, low temperature phosphorescence (LTP), low temperature fluorescence (LTF), paper substrate-room temperature phosphorescence (PS-RTP), paper substrate-room temperature fluorescence (PS-RTF) and fluorescence in liquid (LF). The effect of pH on the luminescence intensity is discussed. Lifetime and polarization of the UP and RTP have been examined with phosphorescence lifetime in the range of 0.6-0.9 s and polarization in the range of 0.10-0.27. Analytical characteristics of LF, PS-RTF and PS-RTP of CTan, Tan IIA, and Tan I have been studied. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:751 / 756
页数:6
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