Figure 1: Microfluidic device for TTF application.
From: Engineering a 3D microfluidic culture platform for tumor-treating field application

(A) Photo of three devices filled with food color dyes. Device cross section (B) and 3D CAD overview (C) with the conductive mixture (Ag/PDMS) in dark grey, cell culture media in pink, and 3D hydrogel region in green.