期刊
FOOD CHEMISTRY
卷 355, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.129623
关键词
Bar sorptive extraction; Non-steroidal anti-inflammatory drugs; UiO-66; Ultra-high performance liquid chromatography
资金
- National Natural Science Foundation of China [81703469, 81973277]
- World-Class Universities (Disciplines)
- Characteristic Development Guidance Funds for the Central Universities [PY3A012]
- Fundamental Research Funds for the Central Universities
The preparation of UiO-66 on frosted glass rod (FGR) for the extraction and monitoring of non-steroidal anti-inflammatory drugs (NSAIDs) showed excellent analytical performance, allowing for analysis of NSAIDs in various food samples with high recoveries and low RSD values. The UiO-66@FGR demonstrated good reproducibility, stability, and adsorption properties towards NSAIDs in food samples.
Herein, the preparation of UiO-66 on frosted glass rod (FGR) was proposed through the coordination interaction of Zr-OH groups and carboxyl sites on FGR. The relative standard deviations (RSDs) of intra-batch and interbatch were below 8.0% (n = 7). UiO-66-modified FGR (UiO-66@FGR) was applied to the extraction and monitoring of five non-steroidal anti-inflammatory drugs (NSAIDs) by coupling to novel bar sorptive extraction (BSE) with ultra-high performance liquid chromatography (UPLC). Sample volume, stirring rate, extraction time, sample pH value, desorption solvent, and desorption time were investigated. NSAIDs (ketoprofen, flurbiprofen, ibuprofen, naproxen, and diclofenac sodium) were determined at a low limit of detection (0.92 ng/mL) over a wide linear range (10?1500 ng/mL). The developed method was used to analyze NSAIDs in sheep muscle, chicken wing, and milk with recoveries of 80.8%-117.2%, RSDs < 6.5%. Fabricated UiO-66@FGR exhibited excellent reproducibility, stability, and good adsorption property towards NSAIDs in food samples.
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