A halloysite nanotubes-based hybrid fluorous monolith as the mixed-mode sorbent for hydrophilic and hydrophobic interactions and its application for analysis of antibiotics from milk powder and milk samples.

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Tác giả: Yihui Chen, Chunyan Hou, Cheng Lin, Jiarun Mao, Xiaoqiang Qiao, Tingting Wang, Ningkun Wu

Ngôn ngữ: eng

Ký hiệu phân loại: 912.1 Areas, regions, places in general

Thông tin xuất bản: England : Food chemistry , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 551979

Determining the hydrophilic and hydrophobic antibiotics in milk and related products poses significant challenges due to their polarity differences and trace levels. Herein, we proposed a halloysite nanotubes-based hybrid fluorous monolith (HNTs-PFOTS monolith) as a sorbent for spin-tip solid-phase extraction (SPE). Leveraging the perfluorooctyl groups of the HNTs-PFOTS monolith, antibiotics can be adsorbed through hydrophilic and hydrophobic interactions. An analytical method was developed by combining the HNTs-PFOTS monolith-based spin-tip SPE method with liquid chromatography-tandem mass spectrometry. Under optimized conditions, the method exhibited excellent purification capabilities, low detection limits (0.01-0.03 μg/kg), high recoveries (80.0-112.3 %), and satisfactory reproducibility (intra-day RSDs of 0.4-8.8 % and inter-day RSDs of 1.0-10.9 %) for hydrophilic and hydrophobic antibiotics in milk and milk product samples. This study offers a novel approach for developing sorbents targeting antibiotics and provides a new analytical method for determining hydrophilic and hydrophobic antibiotics in food products.
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