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基酸功能化磁性金属有机框架纳米颗粒用于磁性固态相提取五种基菌素杀虫剂

Xiaoyan Cui¹, Yujiao Wang¹, Yao-Lin Shi²

¹Department of Applied Chemistry, College of Science, China Agricultural University, Yuanmingyuan West Road 2#, Haidian District, Beijing 100193, PR China.

Journal of chromatography. A

|June 7, 2023

概括

开发了一种新的磁性金属有机框架纳米粒子,以有效地从茶中提取酸杀虫剂. 这种方法提供了一种灵敏而可靠的方式来检测食品样本中的这些农药.

科学领域:

材料科学材料科学材料科学
分析化学分析化学
纳米技术纳米技术

背景情况:

酸杀虫剂需要敏感的检测方法.
金属有机框架 (MOF) 为分析应用提供可调节的特性.
磁纳米粒子有助于高效的分离和提取.

研究的目的:

为了合成和表征酸功能化的磁性MOF纳米粒子 (CPBA@UiO-66@Fe3O4).
开发一种磁性固相提取 (MSPE) 方法,用于酸杀虫剂.
建立使用HPLC检测茶叶中的杀虫剂的定量分析方法.

主要方法:

用磁性Fe3O4纳米粒子和酸合成UiO-66MOF的功能化.
磁性固体相提取 (MSPE) 用于隔离酸杀虫剂.
高性能液体色谱 (HPLC) 用于定量分析.

主要成果:

CPBA@UiO-66@Fe3O4纳米颗粒在提取酸杀虫剂方面表现出高效率.
开发的HPLC方法显示了广泛的线性范围 (2.5-500μg L-1),良好的恢复 (83.3-95.1%) 和低的LOD (0.3-1.0μg L-1).
该方法已成功应用于分析六种类型的中国茶叶注入剂.

结论:

开发的酸功能化磁性MOF是一种有效的材料,用于酸杀虫剂的MSPE.
综合的MSPE-HPLC方法为茶叶中的农药残留分析提供了一种敏感和可靠的分析方法.
这种方法对食品安全监测和质量控制具有前景.

关键词:

酸的杀虫剂酸的杀虫剂磁性固态相提取磁性固态相提取基酸是什么? 基酸是什么?在UiO-66 MOF中.

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