Table 4.

Capabilities of custom DLP/SLA 3D printing resins as reported in literature. n.r. indicates that a particular specification was not mentioned in the corresponding references; likely indicates the specification was inferred from manufacturer specifications of the 3D printer used in the work

Smallest Feaures	Biocompatible?	Post processing and notes	Used in
27 μm x 1000 μm channels	Yes	Wash with water, soak in DI water (36 hr), UV post cure (12 hr). Channels use glass as bottom surface	35,36
~800 μm channels	Yes	UV post cure and soak in water (12 h), oxygen plasma treatment. Coated with poly-D-lysine and Matrigel	39
50 μm x ~250 μm channels (height x width)	n.r.	More gas permeable than PDMS	195
60 μm tall x 540 μm wide channels 20 μm thick membranes	n.r.	IPA soak and flow-through. Transparent and gas permeable	194
100 μm x 100 μm channels	Yes	Soak in DI water (overnight), UV post cure (22 min). Hydrogel	78
150 μm thick mixer fins ~200 μm channels	Yes	Hydrogel	187
5 mm channels	Yes	Wash in heated PBS. Cell-laden hydrogel	185,186
750 μm diameter open faced wells	Moderate	Sonication in ethanol (5 min), UV post-cure (10 min), soak in ethanol (overnight), UV sterilization	163
18 μm x 20 μm channels (height x width) 13 μm x 3 mm channels (width x height)	n.r.	UV post cure	8
46 μm pneumatic valves (diameter) 46 μm x 50 μm channels 15 μm x 15 μm “squeeze” valves	n.r.	UV post cure	38
300 μm x 50 μm pneumatic valves (diameter x height) 10 μm thick membranes 25 μm particle traps	n.r.	UV post cure	83,110,155
1.08 mm x 60 μm pneumatic valves pnematic pumps, multiplexers	n.r.	Thermal cure at 80°C (30 min)	37
108 μm x 60 μm channels 2 mm valves	n.r.		34,197
300 μm channels 500 μm valves	n.r.		196
Spheriod culture plates	Yes (ISO 10993–5)	Plasma treatment to improve cell adherence	6
Spheriod culture plates	Yes (ISO 10993–5)	Soak in ethanol (12 hr), plasma treatment to improve cell adherence	6