高稳定的兰化物 (III) 金属有机框架作为维生素B的比度光传感器
Xiao-Qing Wang1,2, Jiandong Yang1, Man Zhang1
1Department of Chemistry, College of Science, North University of China, Taiyuan 030051, China. xqwang@nuc.edu.cn.
Dalton transactions (Cambridge, England : 2003)
|September 7, 2023
概括
新的化金属有机框架 (Ln-MOFs) 显示双光,并作为维生素B6的选择性传感器. 这些稳定的MOF在水溶液和实物样本中提供了灵敏的检测.
科学领域:
- 材料科学:新型基于化物的金属有机框架 (Ln-MOFs) 的合成和表征.
- 协调化学:研究六核兰坦化集群与刚性四碳酸联体.
- 分析化学:开发用于维生素B6检测的发光传感器.
背景情况:
- 基于兰化物的金属有机框架 (Ln-MOF) 因其独特的发光特性而受到探索.
- 开发对像维生素B6这样的生物相关分子有选择性和敏感的传感器仍然是一个挑战.
- 对于传感应用来说,Ln-MOF的稳定性和可调节的发光度至关重要.
研究的目的:
- 综合和描述具有特定集群结构和拓的新型Ln-MOF.
- 研究这些Ln-MOF的发光特性,包括双光和色调.
- 评估这些Ln-MOF作为维生素B6的比度光传感器的潜力.
主要方法:
- 使用H4EBTC联体物进行三种基于兰化物(III) 的金属有机框架 (Ln = Eu,Tb,Ce) 的溶热合成.
- 具有ftw拓的12连接的六核[Ln6(μ3-OH) 8(OOC-) 12(H2O) 6集群的结构特征.
- 光发光光谱学用于研究光辐射,天线效应和维生素B6的传感能力.
主要成果:
- 成功合成稳定的Ln-MOFs,从Ln3+离子和H4EBTC连接体中表现出双光.
- 在合的双金属Eu/Tb-MOF中可调节的发光,显示颜色从红色变为绿色.
- 高选择性和可重复使用性,用于低检测极限 (0.11-1.03μM) 的维生素B6检测,使用比度光传感.
结论:
- 合成的Ln-MOF具有坚固的结构和可调节的发光特性.
- 这些Ln-MOF在各种介质中展示了作为维生素B6的比度光传感器的卓越性能.
- 基于视觉薄膜的传感器 (Ln-MOF@SA) 已被开发用于实用的维生素B6检测,具有很高的可重复使用性.
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