Fast haptoglobin phenotyping based on microchip electrophoresis

被引:11
作者
Huang, Bingrong [1 ]
Huang, Changgang [1 ,2 ]
Liu, Pingping [1 ]
Wang, Fangfang [1 ]
Na, Na [1 ]
Ouyang, Jin [1 ]
机构
[1] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
[2] Wuhan Ctr Dis Prevent & Control, Wuhan 430015, Peoples R China
关键词
Haptoglobin phenotype; Microchip electrophoresis; Laser-induced fluorescence detection; HEMOGLOBIN BINDING-CAPACITY; C-REACTIVE PROTEIN; CAPILLARY-ELECTROPHORESIS; POLYACRYLAMIDE-GELS; MICROFLUIDIC CHIP; SERUM HAPTOGLOBIN; POLYMORPHISM; SEPARATION; SYSTEM; RISK;
D O I
10.1016/j.talanta.2011.03.066
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A new and fast method for haptoglobin phenotyping was developed based on microchip electrophoresis with laser induced fluorescence detection. Haptoglobin phenotypes 1-1 and 2-2 were labeled with fluorescein isothiocyanate. The analyses were performed on glass microchip which was simply treated with sodium dodecyl sulfate. After the optimization of the separation conditions. Hp 1-1 and Hp 2-2 could be differentiated in 150s and the detection limits for Hp 1-1 and Hp 2-2 were 0.39 and 0.62 mu g/mL, respectively. Finally, the method was applied to human serum samples from healthy people and liver cancer patients. A decrease in Hp concentration for liver cancer patients was confirmed. Featuring high efficiency, speed, simplicity, the method reveals great potentials for the diagnosis of diseases and proteome research. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:333 / 338
页数:6
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