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. 2021 Jan 28;13(4):e1700. doi: 10.1002/wnan.1700

FIGURE 2.

FIGURE 2

The enhanced fluorescence enzyme‐linked immunosorbent assay for the detection of alpha fetoprotein and HBsAga (Y. Wu, Guo, et al., 2017). (a) Procedures of the proposed immunoassays with dual labeled AuNP probes (multi‐HAT‐AuNP‐Ab2); (b) enzymatic hydrolysis of the bisamide Rhodamine 110 substrates