Time-resolved luminescence spectra of greater celandine plant extract (Chelidonium majus L.)

被引：0
|
作者：
Rabasovic, M. S. [1 ]
Marinkovic, B. P. [1 ]
Rabasovic, M. D. [1 ]
Nikolic, M. G. [1 ]
Sevic, D. [1 ]
机构：
[1] Inst Phys, Belgrade, Serbia
来源：
EUROPEAN PHYSICAL JOURNAL D | 2021年 / 75卷 / 06期
关键词：
CHLOROPHYLL LUMINESCENCE; FLUORESCENCE PROPERTIES; ISOQUINOLINE ALKALOIDS; SANGUINARINE;
D O I：
10.1140/epjd/s10053-021-00185-6
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, we analyze optical characteristics of greater celandine (Chelidonium majus L.) ethanol solution extracts and fresh leaf samples. Optical emission of samples was measured using a pulsed laser excitation of tunable wavelengths (320-470 nm) and time-resolved detection system. Results of our analysis reveal two distinct alkaloid optical emission bands with different excitation characteristics. Chlorophyll fluorescence emission band was also detected. Time-resolved analysis of luminescent spectra shows that lifetimes of both alkaloid fluorescence bands and chlorophyll band are in nanosecond domain Graphic abstract
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页数：6
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