Research / 2020 / Article / Fig 3

Research Article

Single-Atom Nanozymes Linked Immunosorbent Assay for Sensitive Detection of Aβ 1-40: A Biomarker of Alzheimer’s Disease

Figure 3

(a) The free energy diagrams of the Fe-N4 model in catalytic process. (b) Absorbance-time curve of TMB chromogenic reaction catalyzed by Fe-Nx SANs and the corresponding magnified initial linear portion. (c) Specific activities of Fe-Nx SANs.