荧光
量子产额
核黄素
检出限
化学
光化学
离子
分析化学(期刊)
色谱法
有机化学
光学
生物化学
物理
作者
Huan Wang,Wencheng Mu,Yuanyuan Liu,Yongchang Lu,Yuang Qiu,Qin Ma
出处
期刊:RSC Advances
[The Royal Society of Chemistry]
日期:2022-01-01
卷期号:12 (10): 5871-5877
被引量:7
摘要
In this paper, 5,10,15,20-(4-sulphonatophenyl) porphyrin (TSPP) was synthesized by a facile route and used as a fluorescent probe to construct a sensor system based on the high water solubility and high quantum yield. It was found that when riboflavin (RF) was introduced into the TSPP solution, the fluorescence intensity of TSPP decreased for the peaks at 645 nm and 700 nm based on the principle of the electrostatic attractions and hydrophobic interactions between TSPP and riboflavin. When the fluorescence emission peak of riboflavin appeared at 550 nm, the fluorescence sensor system changed from the "on" state to the "off" state. When sulfur ions (S
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