Solid-Phase Immunoassay of Polystyrene-Encapsulated Semiconductor Coreshells for Cardiac Marker Detection

Figure 3

C1s core level scan: photoelectron peaks at characteristic binding energy regions: (a) PS-COOH #1, (b) PS-COOH #2 with the one-step batch polymerization, and (c) PS-COOH #3 and (d) PS-COOH #4 with the two-step polymerization.

(a)

(b)

(c)

(d)