Fig. 5From: The recent advancements in the early detection of cancer biomarkers by DNAzyme-assisted aptasensorsa An ECL-based aptasensing of exosome detection MPA-CdS:Eu NCs and DNAzyme; b A fluorescence-based DNAzyme containing AG NCs for PDGF-BB detection. Reproduced with permission from [78] and [82]Back to article page