A one-step aptasensor for ultrasensitive detection of lung cancer marker homocysteine based on multifunctional carbon nanotubes by square-wave voltammetry

Qianshun Chen,Zuxiong Zhang,Li Xie,Chen Huang,Xing Lin,Wei Tang,Jiangxing Xu,Bin Qiu,Xunyu Xu

Bioelectrochemistry（2023）

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摘要

•A one-step aptasensor for ultrasensitive detection of homocysteine is developed.•Multifunctional carbon nanotubes were introduced to obtain high selectivity, sensitivity and simplicity.•Homocysteine could be detected with a LOD of 0.002 μmol/L.

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关键词

Homocysteine,Aptasensor,One-step,Multifunctional carbon nanotubes,Square-wave voltammetry

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