Coordination of Nanoconjugation with an Antigen/Antibody for Efficient Detection of Gynecological Tumors

Figure 4

Limit of SCC-Ag detection. (a) SCC-Ag-GNP at concentrations from 62.5 fM to 1 pM was detected with the antibody. (b) SCC-Ag at concentrations from 62.5 fM to 1 pM was detected on antibody-GNP surfaces. SCC-Ag-antibody-GNP-modified surfaces show a greater response of current at all concentrations of SCC-Ag tested.

(a)

(b)