Rapid detection of natriuretic peptides by a microfluidic LabChip analyzer with DNA aptamers: Application of natriuretic peptide detection

被引:18
|
作者
Lin, Ming-Cheng [2 ,3 ]
Nawarak, Jiraporn [1 ]
Chen, Tai-Yuan [4 ]
Tsai, Hsien-Yu [1 ,5 ]
Hsieh, Jung-Feng [6 ]
Sinchaikul, Supachok [1 ]
Chen, Shui-Tein [1 ,5 ]
机构
[1] Acad Sinica, Inst Biol Chem, Taipei 11529, Taiwan
[2] Chung Shan Med Univ Hosp, Div Cardiol, Dept Internal Med, Taichung 40201, Taiwan
[3] Chung Shan Med Univ Hosp, Sch Med, Taichung 40201, Taiwan
[4] Chang Gung Mem Hosp, Dept Med Res, Clin Genom & Prote Core Lab, Kaohsiung 833, Taiwan
[5] Natl Taiwan Univ, Coll Life Sci, Inst Biochem Sci, Taipei 10617, Taiwan
[6] Fu Jen Catholic Univ, Dept Food Sci, Taipei 242, Taiwan
关键词
IN-VITRO SELECTION; NUCLEIC-ACID SELECTION; PEGAPTANIB; MOLECULES; BIND; AGE;
D O I
10.1063/1.3194283
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Rapid detection of brain natriuretic peptide (BNP) concentration can be used for the diagnosis of acute heart failure and for the evaluation of the effectiveness of a clinical therapy. We used the systematic evolution of ligands by exponential enrichment method to develop DNA aptamers for BNP whose sequences were determined by cloning method and consensus sequence analysis. A total of eight conserved sequences was identified. By combining the fluorescent-labeled aptamers with fast protein lab-on-chip analysis, we could achieve quantification of BNP concentrations with high speed, sensitivity, and specificity. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3194283]
引用
收藏
页数:8
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