CRP and cardiovascular disorder: An indium tin oxide (ITO) electrode-based innovative impedimetric immunosensor modified with reduced graphene oxide-gold nanoparticle (rGO-AuNP) hybrid structure was presented by Yagati et al. [122] for the detection of C-Reactive Protein (CRP), an important biomarker especially used in the diagnosis of cardiovascular diseases, infectious diseases, cancer diseases, etc., and also in monitoring the response to treatment.