Research Article

Large-Scale Protein Arrays Generated with Interferometric Lithography for Spatial Control of Cell-Material Interactions

Figure 4

SEM micrographs of 2D arrays of posts. (a) 300 nm pitch ( 𝜃 = 3 6 . 3 ). (b) 450 nm pitch ( 𝜃 = 2 3 . 2 ). (c) 750 nm pitch ( 𝜃 = 1 3 . 7 ). Photoresist posts are created after a 2D exposure of two-beam IL.
176750.fig.004a
(a)
176750.fig.004b
(b)
176750.fig.004c
(c)