Fig. 2From: Optical nanomaterial-based detection of biomarkers in liquid biopsyThe representative optical nanomaterials and LB biomarkers. a the comparison of nanomaterials and LB biomarkers in size with scale; b illustration of AuNP-based detection of exosomes with the help of magnetic NPs; c illustration of AuNP-based detection of CTCs with the help of magnetic NPsBack to article page