Rotational diffusion parameters of cyanine dyes determined by depolarization of luminescence

被引：3

作者：

DiPaolo, RE ^{[1
]}

Tocho, JO ^{[1
]}

机构：

[1] CONSEJO NACL INVEST CIENT & TECN,CIC,CTR INVEST OPT,RA-1900 LA PLATA,ARGENTINA

来源：

JOURNAL OF LUMINESCENCE | 1997年 / 72-4卷

关键词：

fluorescence anisotropy; carbocyanines; rotational diffusion;

D O I：

10.1016/S0022-2313(96)00204-9

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The polarization anisotropy of the luminescence of several cyanine dyes in solution were measured under CW laser excitation as a function of the temperature. The iodide salt of diethyloxacarbocyanine (DOCI), diethyloxadicarbocyanine (DODCI), diethylthiacarbocyanine (DTCI) and diethylthiadicarbocyanine (DTDCI) have been studied in ethanol. Experimental results were interpreted in terms of asymmetric rotor models, in order to find out the effective molecular volume in solution and to decide between two hydrodynamic boundary conditions (stick-slip).

引用

页码：481 / 483

页数：3

共 5 条

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