Ultrasensitive Fluorescent miRNA Biosensor Based on a "Sandwich" Oligonucleotide Hybridization and Fluorescence Resonance Energy Transfer Process Using an Ln(III)-MOF and Ag Nanoparticles for Early Cancer Diagnosis: Application of Central Composite Design.

本文报道了一种基于寡核苷酸“三明治”杂交和荧光共振能量转移（FRET）策略的新型荧光生物传感器，用于快速、高灵敏、高选择性地检测癌症生物标志物miRNA-155的表达水平。该传感器以改性La(III)金属有机框架（La(III)-MOF）和银纳米颗粒（Ag NPs）作为FRET供体–受体对，通过荧光猝灭实现信号转换。La(III)-...