Fig. 4From: The recent advancements in the early detection of cancer biomarkers by DNAzyme-assisted aptasensorsa A VEGF165 ECL detection method based on T7 exonuclease, CdS:Eu NCs, andG4/hemin DNAzyme; b The detection of PSA by ECL aptasensor including MOF/Au/G4 DNAzyme. Reproduced with permission from [62] and [64]Back to article page