Fig. 2.

Composition and characterization of the biomaterials

A) Summary of the characteristics of the materials used in this study, including the source, molecular weight, polymer concentration, degree of substitution, and materials used for crosslinking. B) Endotoxin content of different materials (n = 2–6) with endotoxins present between 2 and 3 EU/mL in THA and GelMA. C) Storage moduli of different hydrogels (n = 4) ranging between 4-5k Pa for THA, THA-collagen, GelMA and PVA and 35 Pa for collagen. Box plots represent the 25th and 75th percentile with the median, the whiskers indicate the maximum and minimum. Abbreviations: Mw, molecular weight; kDa, kilo Dalton; w/v, weight per volume; d.o.s., degree of substitution.