Fig. 1: PEG-based micropillar.
From: Micrometer-scale poly(ethylene glycol) with enhanced mechanical performance
A Schematic diagram of the feedstock composition, microfabrication setup and the network formation of PEG-based micropillars. Right: SEM image of the printed pillar. B Compressive stress-strain curves of PEG-based micropillars with the addition of 4 wt% PETA. Insets are the SEM images of two micropillars (different height-to-diameter ratios) before and after compression. C Compressive stress-strain curves of PEG micropillars. Insets are the SEM images of two micropillars before and after compression. D Comparison of the stress-strain curve of PEG-based micropillar with other PEG-based macroscale structures. E Comparison of the stress-strain curve of PEG-based micropillar with other materials. Data are reproduced from refs. 4,25,27,34,35,36,37,38. Scale bar: 2 μm.
