新型双模式光传感器用于检测pyrifos和Cu (II)
Punrada Thadatontichok1, Chalisa Pinthong1, Nirawit Kaewnok1
1Department of Chemistry, Faculty of Science, Silpakorn University, Nakhon Pathom 73000, Thailand.
ACS omega
|July 21, 2025
概括
一种新的光传感器,PK,被开发用于检测危险的pyrifos (CP) 和铜离子 (Cu2+). 该传感器提供敏感和选择性检测,对于环境监测和安全至关重要.
科学领域:
- 环境化学环境化学
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 危险化学品,包括pyrifos (CP) 等农药和铜离子 (Cu2+) 等重金属,对生态系统和人类健康构成重大风险.
- 工业和农业活动是这些有毒物质污染环境的主要来源.
- 敏感和选择性检测方法对于监测和减轻危险化学品的影响至关重要.
研究的目的:
- 开发一种新型的双分析体光传感器,用于同时和选择性检测pyrifos (CP) 和Cu2+.
- 描述传感器的性能,包括在各种条件下的灵敏度,选择性和检测极限.
- 阐明检测过程中所涉及的结合机制和石化比率.
主要方法:
- 一个基于氧化物功能化的碳醇光传感器 (PK) 的合成.
- 使用光光谱检测CP和Cu2+.
- 乔布斯的图形分析,红外光谱,质谱,1H核磁共振 (NMR) 和密度函数理论 (DFT) 的计算被用来确认结合的固体测量和机制.
主要成果:
- 开发的传感器 (PK) 在与CP和Cu2+相互作用时表现出光火.
- 在基性缓冲体中,PK对其他有机酸盐的CP具有很高的选择性,检测极限为0.485ppm.
- PK在水性有机溶液中选择性检测到Cu2+的检测极限为15.19ppb,使其与干扰金属离子区别开来.
- 结合性研究证实了CP和Cu2+与PK相互作用的1:1稳定度比.
结论:
- 合成的氧化物功能化碳醇 (PK) 作为一种有效的双分析体光传感器,用于CP和Cu2+.
- 该传感器具有高灵敏度和选择性,非常适合环境监测应用.
- 详细的机制研究为传感器的操作和进一步开发的潜力提供了宝贵的见解.
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