用于检测酸的高效光探针基于由脱水胺和类胺构成的Eu(III) 复合体
Quliang Lu1,2,3,4,5,6, Yiru Wu1, Ziwen He1
1Southeast University Chengxian College, Nanjing, People's Republic of China.
Environmental technology
|June 7, 2025
概括
一种新型的双排放光探针,DDM-Phen-Eu,已开发用于敏感检测酸 (HAAs). 这种探头使用欧(III) 复合体,在与HAA结合时表现出光火,从而可以进行准确的量化.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 酸 (HAAs) 是饮用水中常见的消毒副产品.
- 对HAA的敏感和选择性检测方法对于水质监测至关重要.
- 现有的方法可能缺乏灵敏度或需要复杂的样本准备.
研究的目的:
- 开发一种双排放的光探针,用于对酸 (HAAs) 的敏感测定.
- 为了研究所开发的欧洲 (III) 复合物的结构和光物理性质.
- 评估探针检测酸,酸和酸的性能.
主要方法:
- 使用脱基胺 (DDM) 和1,10- (Phen) 连接物制造欧 (III) 复合物 (DDM-Phen-Eu).
- 使用FTIR,UV-vis,WAXD,SEM,元素分析,ESI-MS和XPS进行复合物的表征.
- 研究光物理性质,包括黄瑞斯因子和贾德-奥菲尔特参数.
- 对光火机制在与HAAs相互作用时的评估.
主要成果:
- DDM-Phen-Eu复合体表现出高光量子产量 (90.68%) 和水溶液中的双排放.
- 探测器在各种pH条件和盐度下显示出稳定的光.
- 由于探测器和HAAs之间形成的素和协调键,观察到光火机制.
- 对于酸 (01.78μM),酸 (00.875μM) 和酸 (00.758μM) 实现了敏感检测范围.
- 获得了低检测极限:CA为0.151微米,BA为0.087微米,IA为0.077微米.
结论:
- 开发的DDM-Phen-Eu探针对于敏感和选择性检测HAA是有效的.
- 探测器的设计增强了光特性和水性环境中的稳定性.
- 这种基于光火的方法为水质评估中的HAA监测提供了一个有希望的方法.
相关概念视频
Photoluminescence: Applications
1.0K
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
1.0K
Aryldiazonium Salts to Azo Dyes: Diazo Coupling
3.6K
The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the para...
3.6K
Labeling DNA Probes
9.3K
DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
9.3K


