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Updated: Jun 25, 2026

Probe-based Real-time PCR Approaches for Quantitative Measurement of microRNAs
Published on: April 14, 2015
Highly sensitive determination of microRNA using target-primed and branched rolling-circle amplification
Yongqiang Cheng1, Xian Zhang, Zhengping Li
1Key Laboratory of Medicine Chemistry and Molecular Diagnosis, Ministry of Education, College of Chemistry and Environment Science, Hebei University, Baoding 071002, Hebei Province, China.
Abstract:
One-nucleotide differences in microRNAs (miRNAs) can be discriminated in an assay based on a branched rolling-circle amplification (BRCA) reaction and fluorescence quantification. With the proposed method miRNA can be detected at concentrations as low as 10 fM, and the miRNA in a total RNA sample of a few nanograms can be determined.
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