Effect of Plasmon Resonance of Silver Nanoparticles on the Fluorescent Properties of Doxycycline

被引：1
|
作者：
Smirnova, T. D. [1 ]
Zhelobitskaya, E. A. [2 ]
Danilina, T. G. [1 ]
机构：
[1] Chernyshevsky Saratov Natl Res State Univ, Inst Chem, Saratov 410012, Russia
[2] Nita Pharm, Saratov 410010, Russia
来源：
JOURNAL OF ANALYTICAL CHEMISTRY | 2022年 / 77卷 / 08期
基金：
俄罗斯科学基金会;
关键词：
plasmon resonance; energy transfer; tetracyclines; europium ions; silver nanoparticles; ENHANCED-FLUORESCENCE; TB(III);
D O I：
10.1134/S1061934822080147
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Silver nanoparticles modified with Eu3+ ions increase the intensity of the fluorescence signal by a factor of 125 in an analytical system containing doxycycline as a result of a combination of resonance and exchange-resonance mechanisms of excitation energy transfer. Using a model system, a complex of doxycycline with Tb3+ ions, the role of energy transfer from silver nanoparticles to the doxycycline ion in the formation of an analytical signal was revealed and evaluated. A fluorimetric procedure for the determination of 1.0 x 10(-8)-1.0 x 10(-5) M of doxycycline was developed based on the formation of an antibiotic complex with Eu3+ ions in the presence of silver nanoparticles. The calibration equation is y = 5.0 x 10(7)x + 10; R-2 = 0.996.
引用
收藏
页码：1000 / 1004
页数：5
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