Fast blood plasma separation device for point-of-care applications

被引：20
|
作者：
Durc, Pavol [1 ]
Foret, Frantisek [2 ]
Kuban, Petr [2 ]
机构：
[1] Masaryk Univ, Dept Chem, Kotlarska 2, CS-61137 Brno, Czech Republic
[2] Czech Acad Sci, Inst Analyt Chem, Dept Bioanalyt Instrumentat, Veveri 97, Brno 60200, Czech Republic
来源：
TALANTA | 2018年 / 183卷
关键词：
Blood plasma separation; Point of care analysis; Capillary electrophoresis; Alcohol intoxication; Metabolites; Methanol; CONTACTLESS CONDUCTOMETRIC DETECTION; CAPILLARY-ELECTROPHORESIS; WHOLE-BLOOD; SERUM; METHANOL; FORMATE; AGGREGATION; HEMOGLOBIN; MEMBRANE; ROULEAUX;
D O I：
10.1016/j.talanta.2018.02.004
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this work, a simple device for extremely fast separation of blood plasma from diluted whole blood was developed. The device accommodates an asymmetric polysulfone membrane/supporting membrane sandwich that allows collection of 10 mu L blood plasma into a narrow glass capillary in less than 10 s. The composition of diluent solution was optimized in order to achieve maximum recoveries for selected metabolites of alcohol intoxication. 5% solution of [tris(hydroxymethyl)methylamino] propanesulfonic acid provided recoveries of formate, oxalate and glycolate close to 100% and only moderate erythrocyte lysis. Both charged and uncharged compounds from the whole blood samples can be analyzed in the separated blood plasma by capillary electrophoresis with contactless conductometric detection and spectrophotometry, respectively. The developed device might find wide application in on-site testing and point-of-care analysis, when only microliter volumes of whole blood are available.
引用
收藏
页码：55 / 60
页数：6
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