期刊
CHINESE JOURNAL OF CHROMATOGRAPHY
卷 36, 期 7, 页码 608-614出版社
SCIENCE PRESS
DOI: 10.3724/SP.J.1123.2018.01040
关键词
solid phase extraction ( SPE); magnetic reversed-phase restricted access material; surface-initiated atom transfer radical polymerization (SI-ATRP); sulfonamides (SAs); preparation
资金
- National Natural Science Foundation of China [215605001]
Using magnetic silica (Fe2O3 @ SiO2) as the matrix material, a magnetic reversed-phase restricted access material was prepared via surface-initiation atom transfer radical polymerization (SI-ATRP) on the surface of modified Fe2O3 @ SiO2. Stearyl methacrylate (SMA) was grafted on the inner surface of the modified Fe2O3 @ SiO2, and glycidylmethacrylate (GMA) was grafted on the outer surface of the modified Fe2O3 @ SiO2. The magnetic reversed-phase restricted access material was prepared via acid hydrolysis. This material was characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), transmission electron microscopy (TEM), vibrating sample magnetometer (VSM) and elemental analysis. The exclusion ability of the opened magnetic reversed-phase restricted access material to bovine serum albumin (BSA) was 90. 4%. The maximum adsorbed amounts of sulfisoxazole (SIZ), sulfadime-thoxine (SDM), trimethoprim (TMP) and sulfamerazine (SMR) were 2. 76 , 2. 24 , 1. 51 and 1. 34 mg/g, respectively. This material was applied to extract and enrich SIZ, SMR and SDM in milk and bovine serum samples. The spiked recoveries of SIZ, SMR and SDM were 88. 7% - 90. 8%, and the relative standard deviations were 3. 3% - 5. 3%. Thus, the magnetic phase restricted access material can simplify the pretreatment of biological matrix samples, and can be applied to the analysis and detection of blood samples or food samples.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据