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. 2022 Feb 11;7(7):5908–5920. doi: 10.1021/acsomega.1c06102

Figure 1.

Figure 1

Bioink characterization. Rheological and swelling data of GelMA/HAMA and the SEM images of GelMA, HAMA, and GelMA/HAMA bioinks. (A) Flow temperature ramp curve of viscosity vs temperature of GelMA/HAMA from 50 to 5 °C, reversed with a constant frequency of 1 Hz. (B) Frequency sweep curve of storage and loss moduli vs angular frequency of GelMA/HAMA with a constant sheer rate of s–1. (C) Temperature ramp of GelMA/HAMA under oscillation conditions from 50 to 5 °C and reversed curve of storage modulus (full line) and loss modulus (dashed line) vs temperature of GelMA/HAMA with a constant sheer rate of 1 s–1. (D) Swelling data of casting GelMA/HAMA (n = 6) weights over a 35 day period. Box and whisker plots show the median, 25th, and 75th percentile values for the number of reads per sample, with whiskers indicating the maximum and minimum. Graph on a logarithmic scale with an initial weight of 0.33 g. (E–G) SEM images of GelMA, HAMA, and GelMA/HAMA, taken at either ×100 (top) or ×1000 (bottom) magnification.