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

Figure 2

Comparison of the antibody immobilization process on APTES-modified IDE sensing surfaces: (a) without GNP; (b) with GNP. Antibody-GNP-modified surfaces show greater changes in current increases than those without GNPs.

(a)

(b)