Figure 2.
(A) Schematic illustration of the capture of miRNAs by the immobilized DNA probes and the detection of miRNAs by the attachment of MPBA-AuNPs and DA-AuNPs and the formation of boronate ester bonds between MPBA-AuNPs and miRNAs as well as DA-AuNPs [115]. Copyright 2013, Elsevier. (B) Schematic illustration of the fabrication of the boronate-affinity sandwich assay and the electrochemical detection of glycoproteins procedure [117]. Copyright 2017, American Chemical Society.