Graphene oxide-based selection and identification of ofloxacin-specific single-stranded DNA aptamers

被引:15
|
作者
Zhang, Yuhong [1 ]
You, Yuanding [1 ]
Xia, Ziwei [1 ]
Han, Xuyan [1 ]
Tian, Yaping [1 ]
Zhou, Nandi [1 ]
机构
[1] Jiangnan Univ, Sch Biotechnol, Key Lab Ind Biotechnol, Minist Educ, Wuxi 214122, Peoples R China
基金
中国国家自然科学基金;
关键词
COLORIMETRIC DETECTION; ANTIBIOTICS; QUINOLONE; DESIGN; SELEX;
D O I
10.1039/c6ra18430h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Graphene oxide (GO) was introduced in the process of systematic evolution of ligands by exponential enrichment (SELEX) to screen ofloxacin-specific single-stranded DNA aptamers. Four sequences with high homology, ap1, ap3, ap4 and ap5 were picked out. Their secondary structures were simulated, and the dissociation constants (K-d) were measured, which were 251.3, 130.1, 159.1 and 304.4 nM, respectively. The specificity of the aptamers was also evaluated.
引用
收藏
页码:99540 / 99545
页数:6
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