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双响应光切换传感器用于连续检测中Fe3+和维生素C
1Department of Pharmacy, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510378, China.
Scientific reports
|September 1, 2025
概括
一种新型的双模式光传感器可以连续检测黑中的铁离子 (Fe3+) 和维生素C (VC). 这种聚合诱导排放 (AIE) 传感器为传统中医药的质量控制提供了一种快速,灵敏且具有成本效益的方法.
科学领域:
- 分析化学
- 材料科学
- 生物医学工程
背景情况:
- 传统中医药 (TCM) 质量控制需要精确量化活性成分.
- 棘 (Crataegus属) 是一个重要的TCM,需要可靠的分析方法来确定其成分.
- 现有的检测铁离子 (Fe3+) 和维生素C (VC) 的方法可能耗时且昂贵.
研究的目的:
- 开发一种双模式光传感器,用于连续检测Fe3+和VC.
- 利用聚合诱导排放 (AIE) 特性进行敏感和选择性分析.
- 为了验证传感器在真实棘样本中的性能,用于TCM质量控制.
主要方法:
- 作为核心传感材料使用具有AIE特性的4,4-基碳酸 (H2SDC).
- 通过Fe3+降解实现了Fe3+检测的"关闭"光机制和VC检测的"启动"机制.
- 智能手机辅助的综合分析,用于潜在的现场选.
主要成果:
- 实现了Fe3+ (线性范围:5.0-80.0 μmol L-1,LOD:0.200 μmol L-1) 和VC (线性范围:5.0-40.0 μmol L-1,LOD:0.132 μmol L-1) 的敏感检测.
- 在黑矩阵中证明了高精度 (98. 5-101. 7%的Fe3+回收,97. 7-103. 0%的VC) 和可重复性 (RSD < 3. 9%).
- 在草药中成功验证了Fe3+/VC的无标签,顺序检测策略.
结论:
- 开发的基于AIE的传感器提供了一个快速,具有成本效益和灵敏的平台,用于分析棘中的Fe3+和VC.
- 这种方法为TCM质量控制提供了HPLC和ICP-MS等传统技术的可行替代方案.
- 智能手机的整合方便了潜在的现场部署应用,推进了TCM的现代化.
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