Supplementary Figure 4: Glass-mounting reduces PDMS sagging in microwell arrays.
From: A high-throughput platform for stem cell niche co-cultures and downstream gene expression analysis

(A,C) The elastic properties of PDMS cause standard microwell arrays to sag, preventing tile-scanned imaging in a single Z-plane. (B,D) Mounting arrays to glass slides prevents sagging and facilitates imaging. Scale bars represent 300 μm.