基于双金属MOF的比率光传感器用于检测Hg2+和H2O2
Bo-Ming Han1, Hao-Rui Zhang1, Wen-Jie Gao1
1State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, China.
Journal of fluorescence
|March 18, 2025
概括
一种基于双排放兰酸的新型材料Tb-BDC-NH2作为比率光传感器. 这种传感器可以同时检测离子 (Hg2+) 和过氧化 (H2O2),具有高灵敏度和稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 纳米技术 纳米技术
背景情况:
- 基于兰化物的材料为传感应用提供独特的发光特性.
- 在环境和生物监测中,开发选择性和灵敏的传感器,同时检测多种分析物,至关重要.
- 金属有机框架 (MOF) 为设计先进的功能性材料提供了多功能平台.
研究的目的:
- 为了合成一种双排放材料,同时对Hg2+和H2O2.2的比率进行光传感.
- 调查开发材料的传感机制和性能.
- 评估传感器在现实世界样本中的实际适用性.
主要方法:
- 合成一种双金属MOF,Tb-BDC-NH2,具有双光发射峰值.
- 使用Hg2+和H2O2对排放峰值的选择性火进行比率光检测.
- 优化检测条件和评估传感器稳定性和反干扰能力.
- 确定两个分析物的检测极限和线性范围.
主要成果:
- 该Tb-BDC-NH2材料在450nm和550nm处表现出明显的光发射峰值.
- Hg2+和H2O2选择性地灭了两个排放峰值,从而实现了内置的校准信号.
- 同时检测Hg2+和H2O2是通过低检测极限 (Hg2+为0.2μM,H2O2为11μM) 和宽线性范围实现的.
- 传感器表现出良好的稳定性和抗干扰性能,在实际样本测试中成功应用.
结论:
- 开发的基于Tb-BDC-NH2的比率光传感器为同时检测Hg2+和H2O2提供了一个新有效的平台.
- 这种方法提供了一种简单,稳定和高度灵敏的双分析仪传感方法.
- 该研究提出了设计使用双排放材料的多分析物检测系统的新策略.
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