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一个基于增强的ICT效果的光探针用于Hg2+检测和细胞成像

Shuchen Pei¹, Chaozheng Li¹, Xinyu Pei¹

¹School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China. wxchenjun@163.com.

Analytical methods : advancing methods and applications

|June 16, 2023

概括

两个新的光探头YF-Hg和YF-Cl-Hg被开发用于快速检测离子 (Hg2+). YF-Cl-Hg探针显示了增强的光谱特性,使其成为生物应用的有希望的工具.

科学领域:

分析化学分析化学
生物化学生化学
材料科学材料科学材料科学

背景情况:

离子 (Hg²⁺) 由于其高生物毒性,造成了重大环境和健康风险.
对Hg2+的快速和灵敏的检测方法对于环境监测和生物研究至关重要.
现有的检测方法可能缺乏某些应用所需的灵敏度,速度或生物相容性.

研究的目的:

开发新的光探测器,用于敏感和快速检测离子 (Hg2+).
研究影响光探针光谱性质的结构变化.
评估开发的探测器在生物系统中检测Hg2+的潜力.

主要方法:

两个光探针的合成和表征:YF-Hg和YF-Cl-Hg.
引入一个取电子替代剂 (-Cl) 来修改探头结构.
谱分析 (UV-Vis吸收,光) 来评估探头的性能.
密度函数理论 (DFT) 计算以了解光谱属性变化.
评估用于蜂应用的探针生物相容性.

主要成果:

与pH 7.4.4的YF-Hg相比,YF-Cl-Hg探针表现出更大的斯托克斯转移和更显著的紫外线吸收红移,而不是YF-Hg.
DFT计算和实验光谱学证实了YF-Cl-Hg的优越光谱性能.
探测器YF-Cl-Hg显示出良好的生物相容性,表明其适用于细胞内检测.

结论:

开发的YF-Cl-Hg光探针为离子检测提供了增强的光谱特性.
结构修改,特别是添加 -Cl 组,显著提高了探头性能.
YF-Cl-Hg显示出作为检测活细胞内离子的生物相容工具的潜力.

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