双金属片
纳米团簇
适体
选择性
DNA
化学
过氧化物酶
组合化学
催化作用
凝血酶
纳米技术
材料科学
酶
生物化学
分子生物学
血小板
生物
免疫学
作者
Cheng Zheng,Aixian Zheng,Bo Liao,Xiaolong Zhang,Yu He,Juan Li,Huang‐Hao Yang,Guonan Chen
摘要
We developed a facile one-step approach to synthesize DNA-templated Ag/Pt bimetallic nanoclusters (DNA-Ag/Pt NCs), which possess highly-efficient peroxidase-like catalytic activity. With this finding, an aptamer based sandwich-type strategy is employed to design a label-free colorimetric aptasensor for the protein detection with high sensitivity and selectivity.
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