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Synthesis of sandwich-structured magnetic graphene-Zn-MOFs composites for quantitative determination of acarbose in rat plasma.
Talanta ( IF 5.6 ) Pub Date : 2019-10-31 , DOI: 10.1016/j.talanta.2019.120514
Jiebing Jiang 1 , Jiajia Li 2 , Jinglin Zhu 2 , Yingjia Yu 2 , Gengli Duan 2 , Ligang Zhou 3 , Yan Li 2
Affiliation  

In this study, sandwich-structured magnetic graphene composites with Zn metal-organic framework layer coated on both two sides (denoted as magG@Zn-MOFs) were synthesized. The composites have large specific surface of 114 m2 g⁻1, uniform porous structure and rapid magnetic separation within 10 s. The magG@Zn-MOFs composites were used for extraction of acarbose in plasma prior to its quantitative analysis by LC-MS/MS. The established method has good linearity (10-1000 ng mL-1), satisfactory recovery (94.3-107.5%), low detection limit (as low as 2.5 ng mL-1), good intra-day precision (RSD 3.5-5.3%) and inter-day precision (RSD 6.3-8.1%). Finally, the method was successfully applied to pharmacokinetic study of acarbose in rats.

中文翻译:

夹层结构磁性石墨烯-Zn-MOFs复合材料的合成,用于定量测定大鼠血浆中的阿卡波糖。

在这项研究中,合成了夹层结构的磁性石墨烯复合材料,在其两侧都涂覆了Zn金属-有机骨架层(称为magG @ Zn-MOFs)。该复合材料具有114 m2 g m1的大比表面积,均匀的多孔结构和在10 s之内的快速磁分离。magG @ Zn-MOFs复合材料用于血浆中阿卡波糖的提取,然后通过LC-MS / MS进行定量分析。建立的方法具有良好的线性(10-1000 ng mL-1),令人满意的回收率(94.3-107.5%),低检测限(低至2.5 ng mL-1),良好的日内精密度(RSD 3.5-5.3%) )和日间精度(RSD 6.3-8.1%)。最终,该方法成功地应用于大鼠阿卡波糖的药代动力学研究。
更新日期:2019-11-01
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