fig5

Figure 5. (A) Schematic diagram of the stepwise fabrication of an electrochemical immunosensor for detecting Myo using m-SiO₂@PDA@PtPd NC-modified electrodes and PtNi NDs-labeled secondary antibodies. Reproduced from Ref.^[139] with permission from Copyright Clearance Center; (B) Schematic illustration of the fabrication and detection of CK-MB using an electrochemical immunosensor based on AuPdCu NWNs. Reproduced from Ref.^[150] with permission from Copyright Clearance Center; (C) Schematic illustration of the construction of a LFEI based on mf-Pd@PtCu for H-FABP detection. Reproduced from Ref.^[159] with permission from Copyright Clearance Center; (D) Schematic illustration of the preparation of RuMn MOFs and FePtRh MOFs-Ab₂ and the fabrication and detection of H-FABP using labeled electrochemical sensors. Reproduced from Ref.^[160] with permission from Copyright Clearance Center. AuPdCu NWs: Gold-palladium-copper nanowires; Ru(bpy)₃²⁺: Tris (2,2’ bipyridine) ruthenium (II) ion; mf-Pd@PtCu: metal-organic framework-derived palladium@platinum-CopperMOF; CTAC: cetyltrimethylammonium chloride; PDA: polydopamine; H-FABP: heart-type fatty acid-binding protein; DPV: differential pulse voltammetry; BSA: bovine serum albumin; Myo: myoglobin; GCE: glassy carbon electrode; EDC: 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride; NHS: N-hydroxysuccinimide; HCL: hydrochloric acid; DMA: dimethylacetamide; DA: dopamine; CK-MB: creatine kinase-MB isoenzyme.