基于氨酸的新型多功能化学传感器,用于选择性检测水态和固态的Th4+和Hg2+离子
Bharathkumar Thangaraj1, Sambath Baskaran2, Ravichandran Cingaram1
1Department of Chemistry, Easwari Engineering College, Chennai 600 089, India.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
|November 3, 2024
概括
一种基于氨酸的新型化学传感器可以在水中检测有毒的Th4+和Hg2+离子,其灵敏度很高. 这种环保传感器可以快速地在现场监测重金属污染控制.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 重金属污染 (Th4+,Hg2+) 构成重大环境和健康风险.
- 开发灵敏和选择性化学传感器对于实时环境监测至关重要.
- 现有的重金属检测方法可能是复杂,昂贵和耗时的.
研究的目的:
- 为了合成和表征一种新的基于氨酸的多功能化学传感器 (L).
- 调查化学传感器对溶液和固态中的Th4+和Hg2+离子的双感应能力.
- 探索传感器在检测环境有毒金属离子和其他分析物的应用.
主要方法:
- 使用FT-IR,NMR和HRMS的绿色合成和表征基于Phenanthridine的化学传感器 (L).
- 紫外线和光谱学用于金属离子的探测研究.
- 工作图,H NMR定位,HR-MS和DFT计算用于阴子结合调查.
主要成果:
- 化学传感器 (L) 显示了对Th4+和Hg2+的双传感行为,并且具有良好的可回收性.
- 在水性乙尼中达到非常低的检测极限 (125.5 pM对于Th4+,1.94 nM对于Hg2+),低于WHO标准.
- 该L-Hg2+复合物使得肉眼检测到氨酸和氨酸,该传感器被应用于实时水样分析.
结论:
- 合成的基于氨酸的化学传感器 (L) 是一种高度敏感和选择性的探针,用于检测Th4+和Hg2+离子.
- 该传感器在环境水样中表现出色,为现场重金属监测提供了实用工具.
- 这项研究强调了这种绿色合成探针的潜力,用于成本效益高且可访问的环境毒性控制.
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