一个基于反应的碳醇-合物探头,用于选择性检测环境有毒离子
Jayasudha Palanisamy1, Mansour K Gatasheh2, Ashraf Atef Hatamleh3
1Department of Chemistry, Subramanya College of Arts and Science, Tamilnadu 624618, India. jsudha.scas@gmail.com.
Analytical methods : advancing methods and applications
|April 19, 2024
概括
一种新型的碳醇-醇化学测量仪通过核性添加检测出化离子. 这个探测器表现出明显的颜色和光谱变化,使得选择性和敏感的化物检测在水溶液中使用简单的试验条.
科学领域:
- 超分子化学 超分子化学
- 分析化学 分析化学
- 有机合成 有机合成
背景情况:
- 化物离子对环境和健康构成重大风险.
- 选择性和敏感的化学测量仪的开发对于化物检测至关重要.
- 基于碳醇-醇的供体-接受体系统为分子传感提供了潜在的潜力.
研究的目的:
- 设计和合成一种用于检测化物离子的新型化学剂量计.
- 为了研究基于核友添加的传感机制.
- 为了评估探头在水样中的选择性和适用性.
主要方法:
- 一个碳醇-捐赠者-醇-接受器 (CI) 探针的合成.
- 频谱分析 (UV-Vis,光) 来监测探头的反应.
- 用水性DMSO中的各种离子进行选择性研究.
- 使用Job图,1H NMR和HRMS确认 adduct形成.
- 用于实际检测的纸质试卷的制造.
主要成果:
- 探测器在添加化物离子时表现出明显的颜色变化和光灭.
- 在其他测试的离子上实现了对化物离子的选择性检测.
- 核性添加到醇部分破坏了分子内电荷转移 (ICT) 频段.
- 通过光谱和分析技术证实了新添加物的形成.
- 纸质试卷证明了在水溶液中有效检测化物.
结论:
- 开发的碳醇-醇化学度量仪通过核性添加有效检测化物离子.
- 探测器显示出对化物的高选择性和敏感性.
- 纸条格式提供了一种简单且便携式的方法,用于在现场检测水样中的化物.
相关概念视频
01:09Ion-Exchange Chromatography
458
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
458
03:31Labeling DNA Probes
8.2K
DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
8.2K
00:56Extraction: Advanced Methods
446
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
446