Sea-urchin-like covalent organic framework as solid-phase microextraction fiber coating for sensitive detection of trace pyrethroid insecticides in water

Jiajia Han; Yang Yu; Hongyu Wen; Tianning Chen; Yuemei Chen; Guosheng Chen; Junlang Qiu; Fang Zhu; Gangfeng Ouyang

doi:10.1016/j.scitotenv.2023.169129

Sea-urchin-like covalent organic framework as solid-phase microextraction fiber coating for sensitive detection of trace pyrethroid insecticides in water

Sci Total Environ. 2024 Feb 20:912:169129. doi: 10.1016/j.scitotenv.2023.169129. Epub 2023 Dec 13.

Authors

Jiajia Han¹, Yang Yu¹, Hongyu Wen¹, Tianning Chen¹, Yuemei Chen¹, Guosheng Chen¹, Junlang Qiu¹, Fang Zhu², Gangfeng Ouyang³

Affiliations

¹ MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, School of Chemical Engineering and Technology, School of Environmental Science and Engineering, Institute of Green Chemistry and Molecular Engineering, Sun Yat-sen University, Guangzhou 510006, China.
² MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, School of Chemical Engineering and Technology, School of Environmental Science and Engineering, Institute of Green Chemistry and Molecular Engineering, Sun Yat-sen University, Guangzhou 510006, China. Electronic address: ceszhuf@mail.sysu.edu.cn.
³ MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/KLGHEI of Environment and Energy Chemistry, School of Chemistry, School of Chemical Engineering and Technology, School of Environmental Science and Engineering, Institute of Green Chemistry and Molecular Engineering, Sun Yat-sen University, Guangzhou 510006, China; Chemistry College, Center of Advanced Analysis and Gene Sequencing, Zhengzhou University, Zhengzhou 450001, China; Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Provincial Key Laboratory of Chemical Measurement and Emergency Test Technology, Guangdong Institute of Analysis (China National Analytical Center Guangzhou), Guangdong Academy of Sciences, Guangzhou 510070, China.

PMID: 38097077
DOI: 10.1016/j.scitotenv.2023.169129

Abstract

Pyrethroid insecticides residues in water pose a critical threat to the environment from widespread production and overuse. Therefore, it is of major relevance to develop a sensitive and efficient method to detect pyrethroid insecticides in water. In this paper, a covalent organic framework (COF) with NHCO as the structural unit was synthesized using a simple condensation reaction of TTL (NH₂) and TDBA (COOH). Various characterization results and density functional theory (DFT) calculations demonstrated that multiple interactions synergistically promoted the adsorption of pyrethroid insecticides on COF_TDBA-TTL. Based on the excellent extraction capability of COF_TDBA-TTL, efficient detection of 11 pyrethroid insecticides in water was achieved using COF_TDBA-TTL-coated SPME fiber and gas chromatography-tandem mass spectrometry (GC-MS). The results showed that the extraction enhancement factors (EFs) of pyrethroid insecticides were as high as 2584-7199, and the extraction efficiencies were 3.28-446 times higher than that of commercial fiber, which reflected its high adsorption property. Meanwhile, the limits of detection (LODs) of the COF_TDBA-TTL coated fiber were as low as 0.170-1.68 ng/L under the optimal conditions, and the recoveries of 11 pyrethroid insecticides in the actual water samples were 88.5-108 %. In conclusion, the SPME-GC-MS method based on COF_TDBA-TTL coated fiber was simple, rapid, and efficient, and should have a promising application in trace detection of pyrethroid insecticides in the environment.

Keywords: Covalent organic framework; Density functional theory calculations; Gas chromatography; Pyrethroid insecticides; Solid-phase microextraction.