使用可再生光学传感器对抗氧的选择性检测,用于环境和生物应用
Amnah S Al Zbedy1, Muneera Alrasheedi2, Alaa M Younis2
1Chemistry Department, Al-Qunfudah University College, Umm Al-Qura University, Al-Qunfudah, 1109, Saudi Arabia.
Analytical and bioanalytical chemistry
|November 6, 2025
概括
一个新的光学传感器膜使用环保材料检测离子 (Sb3+). 这种方法提供了低检测极限和高选择性,对各种样本类型进行了验证.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 反 (Sb3+) 构成环境和健康风险.
- 准确检测对于监测和修复至关重要.
- 现有的检测方法可能很复杂或昂贵.
研究的目的:
- 开发一种新的,环保的光学传感器膜,用于离子检测.
- 创建一个具有成本效益和选择性的反分析方法.
- 在现实世界样本中验证传感器的性能.
主要方法:
- 将DCHNAQ和TEHP纳入TAC聚合物矩阵,以形成传感膜.
- 使用pH 6.5的薄膜缓冲剂,有效地进行Sb3+剥离.
- 使用0.1M盐酸再生光极.
- 根据ICP-OES和增值回收方法进行验证.
主要成果:
- 对Sb3+的线性检测范围从8.0到144 ng mL-1 ,检测极限为2.5 ng mL-1.
- 对Sb3+在干扰离子上的高选择性.
- 卓越的精度 (RSD < 2.20%) 和成功验证生物,食品和环境样本.
结论:
- 开发的光学传感器膜为Sb3+检测提供了一种敏感,选择性和环保的方法.
- 该方法是稳固的,可与ICP-OES等既定技术相比较.
- 这种传感器为环境和食品安全监测提供了一个有前途的工具.
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