期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1533, 期 -, 页码 1-9出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2017.12.021
关键词
Cu@graphitic octahedron carbon cages; Pretreatment; Norfloxacin; Ciprofloxacin; Lomefloxacin; Enrofloxacin
资金
- National Nature Science Foundation of China [NSFC51672116]
- Science and technology foundation of ocean and fisheries of Liaoning province [201408, 201406]
- General project of scientific research of the education department of Liaoning province [L2015206]
- Liaoning scientific instruments service sharing information platform ability construction funds [201507A003]
- Liaoning provincial department of education innovation team projects [LT2015012]
- foundation of 211 project for innovative talent training, Liaoning university
A unique 3D porous Cu@graphitic octahedron carbon cages were constructed by rapid room-temperature synthesis of a Cu-based metal-organic framework (MOF) with further pyrolysis in N-2, which exhibited good enrichment ability for four fluoroquinolones (FQs) due to their superior chemical affinities to the target analytes. Applied Cu@graphitic octahedron carbon cages as adsorbent, a dispersive solid phase extraction (DSPE) method combined with HPLC was developed for detecting four FQs in real samples. Various parameters affecting residues FQs extraction efficiency were inquired in more detail. Under optimal conditions, the extraction recoveries of four FQs in chicken muscle, fish tissue, seawater and river water samples were in the range of 81.3 similar to 104.3% and the RSDs (n=5) were less than 5.2%. This method was successfully used to the determination of FQs in real samples. (C) 2017 Elsevier B.V. All rights reserved.
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