Fig. 3
From: An SU-8-based microprobe with a nanostructured surface enhances neuronal cell attachment and growth
Fabricated microprobe without or with a nanostructured surface. a Photograph of SU-8 microprobes on a 4-inch glass wafer. b Enlarged optical image of the microprobe in (a) and c a representative optical image of gold electrode on the microprobe surface in (b). d Asterisk shape electrode and e square shape electrode of the microprobe masked with chromium (Cr) for nanostructuring