fig3

Hierarchically structured biomaterials for tissue regeneration

Figure 3. The preparation methods of biomaterials with hierarchical structures. (A) Schematic diagram of the preparation of a porous scaffold by electrospinning[45]. Copyright 2022, Acta Materialia Inc. Published by Elsevier Ltd. (B) The micro morphologies of 3D biomimetic electrospinning scaffolds[45]. Copyright 2022, Acta Materialia Inc. Published by Elsevier Ltd. (C) Preparation and application diagram of hierarchical chitosan scaffolds by freeze drying[58]. Copyright 2021, Wiley-VCH GmbH. (D) Schematic diagram of the manufacturing process of micro gel with core-shell structures and 3D printing scaffolds with micro gel loading cells[62]. Copyright 2021, Elsevier Ltd.

Microstructures
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