In-Channel-Grown Polypyrrole Nanowire for the Detection of DNA Hybridization in an Electrochemical Microfluidic Biosensor

Figure 5

FE-SEM images of products synthesized in 0.1 M LiClO₄, PBS, and gelatin 0.08% wt and (a) without Py; (b) 0.1 M Py in the microchamber by using potentiostatic mode (0.5 V, 150 s).

(a)

(b)