{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T04:05:43Z","timestamp":1775707543040,"version":"3.50.1"},"reference-count":32,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,12,22]],"date-time":"2021-12-22T00:00:00Z","timestamp":1640131200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["21575108"],"award-info":[{"award-number":["21575108"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Separation Science"],"published-print":{"date-parts":[[2022,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>By monomer\u2010mediated in\u2010situ growth synthesis strategy, with hydroquinone and 1,3,5\u2010tris(4\u2010aminophenyl)benzene as monomers, a core\u2010shell magnetic porous organic polymer was synthesized through a simple azo reaction. Based on this, a magnetic solid\u2010phase extraction\u2013high\u2010performance liquid chromatography\u2013fluorescence detection method was proposed for the analysis of fluoroquinolones in a honey sample. With ofloxacin, ciprofloxacin, enrofloxacin, lomefloxacin, and difloxacin as target analytes, factors affecting the extraction efficiency had been optimized. The LODs were 1.5\u20135.4\u00a0ng\/L (corresponding to 0.23\u20130.81\u00a0\u03bcg\/kg in honey). The linear range was 0.005\u201320 \u03bcg\/L for difloxacin, 0.01\u201320 \u03bcg\/L for ofloxacin, ciprofloxacin and lomefloxacin, and 0.02\u201320 \u03bcg\/L for enrofloxacin. The enrichment factor was 84.4\u201391.7\u2010fold with a high extraction efficiency of 84.4\u201391.7%. The method was assessed by the analysis of target fluoroquinolones in honey samples, and the recoveries for the spiked samples were 79.3\u201395.8%. The results indicated that the established magnetic solid\u2010phase extraction\u2013high\u2010performance liquid chromatography\u2013fluorescence detection method is efficient for the analysis of trace fluoroquinolones in honey.<\/jats:p>","DOI":"10.1002\/jssc.202100678","type":"journal-article","created":{"date-parts":[[2021,12,9]],"date-time":"2021-12-09T16:40:17Z","timestamp":1639068017000},"page":"874-882","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":35,"title":["Core\u2010shell magnetic porous organic polymer for magnetic solid\u2010phase extraction of fluoroquinolone antibiotics in honey samples followed by high\u2010performance liquid chromatography with fluorescence detection"],"prefix":"10.1002","volume":"45","author":[{"given":"Cong","family":"Tian","sequence":"first","affiliation":[{"name":"College of Chemistry and Molecular Sciences Wuhan University  Wuhan P. R. 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