Fig. 1From: The recent advancements in the early detection of cancer biomarkers by DNAzyme-assisted aptasensorsa Graphic depiction of an ECL aptasensor based on DNAzyme AUNRs for CEA detection; b Graphical illustration of a PEC-based aptazyme for the identification of CEA through CHA and HCR amplification. Reproduced with permission from [41] and [42]Back to article page