Synthesis of sandwich-structured magnetic graphene-Zn-MOFs composites for quantitative determination of acarbose in rat plasma
TALANTA(2020)
摘要
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 m(2) g(-1), uniform porous structure and rapid magnetic separation within 10 s. The magG@Zn-MOFs compo- sites 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.
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关键词
Magnetic graphene,Zn metal-organic framework,Magnetic separation,Acarbose,Plasma sample
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