Fig. 1From: Single to three nucleotide polymorphisms assay of miRNA-21 using DNA capped gold nanoparticle-electrostatic force microscopy systemSchematic representation of the assembly of DCNPs and their electrostatic force detection by EFM for liquid biopsy-based bioassay of circulating miRNA-21 (with c_RNA, M1_RNA, M3_RNA)Back to article page