Preparation of magnetic nanoparticles based on MIL-100(Fe) and its application in the enrichment of endogenous peptides

被引：4
|
作者：
Zhao Yameng [1 ]
Wang Min [1 ]
Zhang Lingyi [1 ]
Lu Yuhao [1 ]
Zhang Weibing [1 ]
机构：
[1] East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China
来源：
CHINESE JOURNAL OF CHROMATOGRAPHY | 2019年 / 37卷 / 08期
基金：
中国国家自然科学基金;
关键词：
matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS); enrichment; metal-organic framework (MOFs); endogenous peptides; METAL-ORGANIC FRAMEWORK; HIGHLY SELECTIVE ENRICHMENT; CARBON MATERIAL; EXTRACTION; BIOMARKERS; DISCOVERY; CAPTURE;
D O I：
10.3724/SP.J.1123.2019.04048
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Core-shell magnetic nanoparticles, Fe3O4 @ MIL-100 (Fe), were synthesized by layer-by-layer self-assembly. The final material, Fe3O4 @ MC, was obtained after high temperature calcination. Fe3O4@ MC magnetic nanoparticles exhibited large pore size (17.78 nm) and high carbon content (6.79%). Thirty-three peptides of bovine serum albumin (BSA) digest were enriched by Fe3O4 @ MC magnetic nanomaterial. Fe3O4 @ MC magnetic nanomaterial also showed high selectivity for peptides when the mass ratio of BSA digest to BSA was 1 : 400. In addition, the nanomaterial material exhibited excellent enrichment performance for the endogenous peptides of human serum.
引用
收藏
页码：831 / 835
页数：5
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