Skip to main content
. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Curr Opin Chem Eng. 2016 Feb;11:94–105. doi: 10.1016/j.coche.2016.01.012

Figure 4. Microfabricated 3D substrates.

Figure 4

(a, b) Photolithography technique for generating polyacrylamide microchannels; reproduced with permission from [51]. (c) Phase contrast images of U373-MG human glioma cells migrating inside channels of varying stiffness and width, scale bar = 40 µm; reproduced with permission from [51]. (d) 3D microlithography approach to engineering mammary epithelial duct tissue; reproduced with permission from [53]. (e) schematic depicting “duct” versus “end” locations in epithelial host tissue; reproduced with permission from [53].