Shape-Controlled Generation of Gold Nanoparticles Assisted by Dual-Molecules: The Development of Hydrogen Peroxide and Oxidase-Based Biosensors

Figure 5

TEM images of GNPs generated with varied H₂O₂ concentrations: (a–e) 100 μM H₂O₂, (f) 400 μM H₂O₂, and (g) 600 μM H₂O₂.

(a)

(b)

(c)

(d)

(e)

(f)

(g)