Fig. 3From: Single to three nucleotide polymorphisms assay of miRNA-21 using DNA capped gold nanoparticle-electrostatic force microscopy systema–d Topography images and Gaussian distribution of the DCNPs: a pDNA + c_RNA, b pDNA + M1_RNA, c pDNA + M3_RNA, and d pDNA + NC_RNABack to article page