PHENYLBORONIC ACID MODIFIED MAGNETIC NANOPARTICLES FOR THE ELECTROCHEMICAL DETERMINATION OF GLYCOPROTEINS

被引：5
|
作者：
Sun, Si [1 ]
Xiong, Lihui [1 ]
Li, Yijun [1 ]
He, Xiwen [1 ]
机构：
[1] Nankai Univ, Coll Chem, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China
来源：
ANALYTICAL LETTERS | 2015年 / 48卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Biosensor; Glycoprotein; Magnetic electrode; CLICK CHEMISTRY; QUANTUM DOTS; RECOGNITION; ENRICHMENT; SEPARATION; GLYCOSYLATION; COMPOSITES; EXPRESSION; BIOMARKERS; PARTICLES;
D O I：
10.1080/00032719.2015.1038551
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Magnetic ferriferous oxide nanoparticles functionalized by phenylboronic acid were prepared and deposited on a magnetic electrode. The electrochemical behavior of glycoproteins was investigated by differential pulse voltammetry before and after the electrode was immersed into the glycoprotein solution. Under the optimized conditions, the changes of reduction peak current in potassium ferricyanide solution were linear with the concentration of glycoprotein between 1.0x10(-6) and 2.0x10(-5) grams per milliliter with a detection limit of 1.205x10(-7) grams per milliliter. The modified electrode distinguished glycoproteins from nonglycoproteins across the linear range of the calibration curve.
引用
收藏
页码：2357 / 2368
页数：12
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