Determination of nitroimidazole antibiotics based on dispersive solid‐phase extraction combined with capillary electrophoresis
Determination of nitroimidazole antibiotics based on dispersive solid‐phase extraction combined with capillary electrophoresis
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分散固相萃取-毛细管电泳法测定硝基咪唑类抗生素
DOI：
10.1002/elps.202200114
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发表时间：
2022-09
期刊：
影响因子：
2.9
通讯作者：
Feng Huo
中科院分区：
文献类型：
--
作者：
Jing Yang;Lianfang Chen;Qingying Wang;Xiaolin Mei;Xiupei Yang;Feng Huo
长期以来，硝基咪唑类抗生素（NIABs）的检测一直是环境分析化学领域的研究热点。本文建立了一种基于毛细管电泳（CE）分析硝基咪唑的新技术。采用溶剂热法合成了UiO - 66，并将其作为吸附剂用于5种不同niab的分散固相萃取（DSPE）。采用CE二极管阵列检测法，实现了环境水样中NIABs的分离检测。系统研究了吸附时间、萃取剂用量、洗脱溶剂对萃取效率的影响，得到了最佳萃取条件。结果表明，5种niab的检出限在16 ~ 97 ng/mL之间，相对标准偏差在0.32% ~ 0.55%之间，加样回收率在87.43% ~ 104.8%之间。本研究提出了一种测量复杂水样中NIABs的新技术。
For a long time, the detection of nitroimidazole antibiotics (NIABs) has been a research focus in environmental analytical chemistry. In this work, a novel technique for the analysis of nitroimidazoles was established based on capillary electrophoresis (CE). UiO‐66, synthesized using a solvothermal method, was utilized as an adsorbent in the dispersive solid‐phase extraction (DSPE) of five different NIABs. The separation and detection of NIABs in environmental water samples were accomplished using the CE diode array detection method. The optimal extraction conditions were obtained after systematically studying the effects of adsorption time, the amount of extractant, and elution solvent on extraction efficiency. According to the results of the study, the limit of detections of the five NIABs were between 16 and 97 ng/mL, the relative standard deviations were between 0.32% and 0.55%, and the spike recoveries were between 87.43% and 104.8%. This study presents a novel technique for measuring NIABs in complex water samples.
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影响因子：
15.1
作者：
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DOI：
10.1016/j.jpba.2012.02.013
发表时间：
2012-05-01
影响因子：
3.4
作者：
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影响因子：
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