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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Bone. 2020 Jul 31;141:115565. doi: 10.1016/j.bone.2020.115565

Figure 1.

Figure 1.

(A) Molecular graphics representation of RADA16 nanofibrils, and scanning electron micrograph (SEM) of a RADA16 hydrogel. Adapted with permission.190, 191 Copyright 2013, American Chemical Society; Copyright 2011, Royal Society of Chemistry (B) Molecular graphics representation of RADA16 nanofibrils with a bioactive motif incorporated, and calcein-stained cells cultured on RADA16 hydrogels with and without bioactive motifs (in this case, a cell adhesion ligand). The bioactive cell adhesion motif improves cell spreading on and infiltration into RADA16 hydrogels. Adapted with permission under the terms of the Creative Commons Attribution License.152 Copyright 2007, S. Zhang, published by PLOS.