Hairpin-Structured DNAzyme-Initiated Spherical Hybridization Chain Reaction Cascade Enables Highly Sensitive Electrochemical Detection of MicroRNA
Sensitive and accurate detection of low-abundance microRNAs (miRNAs) in complex biological matrices is critical for early disease diagnosis. Herein, we report a homogeneous cascade amplification-based electrochemical biosensing platform that integrates hairpin-structured DNAzyme-assisted target recycling amplification...