纳米技术
化学
生物传感器
检出限
离子键合
纳米棒
树枝状大分子
纳米孔
纳米颗粒
离子
材料科学
色谱法
生物化学
有机化学
作者
Wenrui Ma,Lulu Liu,Zhuoya Jiang,Chaoshan Zhao,Zilan Lv,Yuping Yang,Yi Xu,Lianzhou Wang,Li Chen,Shunbo Li
标识
DOI:10.1016/j.aca.2024.342630
摘要
MicroRNAs, as oncogenes or tumor suppressors, enable to up or down-regulate gene expression during tumorigenesis. The detection of miRNAs with high sensitivity is crucial for the early diagnosis of cancer. Inspired by biological ion channels, artificial nanochannels are considered as an excellent biosensing platform with relatively high sensitivity and stability. The current nanochannel biosensors are mainly based on homogeneous membranes, and their monotonous structure and functionality limit its further development. Therefore, it is necessary to develop a heterostructured nanochannel with high ionic current rectification to achieve highly sensitive miRNA detection.
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