新替代的1,2,3-triazoles用于对Fe3+离子的比度识别
Natalia Selivanova1, Marina Shulaeva2, Vyacheslav Semenov2
1Department of Physical and Colloid Chemistry, Kazan National Research Technological University, Kazan, Tatarstan 420015, Russia.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
|October 22, 2023
概括
开发了两种基于三醇的新型化学传感器,用于检测金属离子. 一个系统显示离子灵敏度,而另一个系统提供了色度测量Fe3+检测方法.
科学领域:
- 化学传感器 化学传感器
- 超分子化学 超分子化学
- 有机合成 有机合成
背景情况:
- 开发敏感和选择性化学传感器对于环境监测和生物分析至关重要.
- 三醇链接为构建复杂的分子架构提供了多功能平台.
研究的目的:
- 综合和描述基于三醇链接的两个新的点击衍生的感觉系统.
- 评估这些系统对特定金属离子,特别是Fe3+的传感能力.
- 调查复杂化行为并确定Fe3+开发的化学传感器的结合参数.
主要方法:
- 通过点击化学合成1-octyl-4-carboxyl-1,2,3-triazole (TR1) 和1,3-bis(4-hydroxycarbamoyl-1,2,3-triazol-1-yl) xylylene (TR2) 的合成.
- 谱光度分析以确定金属离子的灵敏性和选择性.
- 乔布斯的情节分析,以阐明复杂的固体测量和结合部位.
- 关联常数和检测极限的确定.
主要成果:
- TR1对离子表现出敏感性.
- TR2表现出Fe3+离子的偏好色度检测,具有明显的pH值依赖的颜色变化,从无色到粉红色.
- 确定了TR1-Fe3+和TR2-Fe3+复合体的1:1体积测量和特定的结合点.
- 实现了高关联常数 (5.35 × 105 M-1对于TR1-Fe3+和3.58 × 104 M-1对于TR2-Fe3+) 和低检测极限 (1.68 × 10-8 M对于TR1和2.52 × 10-7 M对于TR2).
结论:
- 开发的基于三醇的系统是用于特定金属离子检测的有效化学传感器.
- 由于其视觉反应和选择性,TR2作为Fe3+检测的有前途的色度测量探针.
- 这项研究为基于三醇的化学传感器的设计提供了宝贵的见解,用于实际应用.
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