(A) a - Formation of DNA/AgNCs and the adsorption of AuNPs on DNA/AgNCs for fluorescence quenching; b - Schematic representation for fluorescent detection of miRNA-155 based on DSN-Assisted Target Recycling Signal Amplification. Reproduced from Miao, X.; Cheng, Z.; Ma, H.; Li, Z.; Xue, N.; Wang, P. Anal. Chem.
2018, 90, 1098–1103 (ref 132). Copyright 2018 American Chemical Society. (B) Scheme of isothermal helicase-dependent amplification for miRNA. Reproduced from Ma, F.; Liu, M.; Tang, B.; Zhang, C.-y. Anal. Chem.
2017, 89, 6182–6187 (ref 138). Copyright 2017 American Chemical Society.