Figure 2.

Rheological characterization and representative examples of ELMs 3D printed via vat photopolymerization. Graphs show minimal changes to the viscosity of the BSA-PEGDA solutions with a) different PEGDA concentrations, and b) in the presence and absence of microorganisms. Photorheometry experiments were performed to evaluate the change in the storage modulus (G’, Pa) over time upon irradiation with light, which was turned on after 120 s. The resulting graphs show the increase in the storage modulus for c) different PEGDA concentrations, and d) in the presence and absence of microorganisms. Optical images of 3D printed ELMs: e) 7 small cylinder-shaped constructs (in a 50 mm petri dish as a frame of reference); f) a wave-shaped construct (in a 50 mm petri dish); g) and h) lattice-shaped constructs (x=39.1 mm, y=33.6 mm, z=34.21 mm); i) stent-shape lattice (57.8 mm, y=33.4 mm, z=30.6 mm) and j) spring-shaped construct (in a 50 mm petri dish).