Colorimetric detection of miRNA-21 by DNAzyme-coupled branched DNA constructs

E Hosseinzadeh, H Ravan, A Mohammadi… - Talanta, 2020 - Elsevier
Fluctuation of nucleic acid expression and ultrasensitive and specific detection of these
variations in expression is a crucial subject in molecular medicine and clinical theranostics …

Colorimetric detection of microRNA based on DNAzyme and nuclease-assisted catalytic hairpin assembly signal amplification

H Zhang, K Wang, S Bu, Z Li, C Ju, J Wan - Molecular and cellular probes, 2018 - Elsevier
Accurate and quantitative analysis of microRNA (miRNA) expression is critical for the
diagnostics and theranostics of a disease. Herein, a proof-of-concept of a colorimetric …

Rapid and ultrasensitive miRNA detection by combining endonuclease reactions in a rolling circle amplification (RCA)–based hairpin DNA fluorescent assay

YJ Lee, JY Jeong, JY Do, CA Hong - Analytical and Bioanalytical …, 2023 - Springer
MicroRNA (miRNA) sensing strategies employing rolling circle amplification (RCA) coupled
with the hairpin DNA (HD) probe–mediated FRET assay have shown promise, but achieving …

A fluorescent sensor based on strand displacement amplification and primer exchange reaction coupling for label-free detection of miRNA

Y Du, Y Qi, Q Kang, X Yang, H Xiang - Analytica Chimica Acta, 2023 - Elsevier
MicroRNAs (miRNAs) are closely associated with human disease occurrence, including
cancers, diabetes, inflammation, heart diseases, and viral infections, and their rapid and …

Highly sensitive detection of miR-21 through target-activated catalytic hairpin assembly of X-shaped DNA nanostructures

SQ Chai, WY Lv, JH He, YF Li, HY Zou, CM Li… - Analytical …, 2021 - ACS Publications
MicroRNAs (miRNAs) are found in extremely low concentrations in cells, so highly sensitive
quantitation is a great challenge. Herein, a simple dual-amplification strategy involving …

Label-free technology for the amplified detection of microRNA based on the allosteric hairpin DNA switch and hybridization chain reaction

S Cai, Z Cao, C Lau, J Lu - Analyst, 2014 - pubs.rsc.org
By using the allosteric hairpin DNA switch, a novel assay for the detection of microRNA
(miRNA) let-7a via a hybridization chain reaction (HCR) was introduced. Briefly, the hairpin …

Dual-detection of miRNAs in living cells via hybridization chain reaction on DNA tetrahedron

L Mo, D Liang, M Mo, C Yang, W Lin - Sensors and Actuators B: Chemical, 2023 - Elsevier
Monitoring intracellular miRNA levels is essential for early cancer diagnosis. However, it
remains challenging to analyze miRNAs at the cellular level with high accuracy, high …

Enzyme-assisted amplification of target cycle triggers the unlocking of locked hairpin probes for let-7a detection

L Nie, X Zeng, H Li, S Wang, R Yu - Talanta, 2024 - Elsevier
The detection of miRNA in cells is difficult owing to its substantially low cellular content.
Therefore, developing a highly sensitive sensor to detect cellular miRNA remains a …

Direct and sensitive detection of circulating miRNA in human serum by ligase-mediated amplification

HN Chan, SL Ho, D He, HW Li - Talanta, 2020 - Elsevier
MicroRNAs (miRNA) involve in regulating different physiological processes whose
dysregulation is associated with a wide range of diseases including cancers, diabetes and …

Label-free and enzyme-free colorimetric detection of microRNA by catalyzed hairpin assembly coupled with hybridization chain reaction

H Wu, Y Liu, H Wang, J Wu, F Zhu, P Zou - Biosensors and Bioelectronics, 2016 - Elsevier
In this study, a simple, label-free, and enzyme-free colorimetric biosensor has been
developed for amplified detection of let-7a microRNA (miRNA) on the basis of dual signal …