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. 2022 Nov 9;9(1):638. doi: 10.18063/ijb.v9i1.638

Figure 7.

Figure 7

Potential applications for drug delivery. (A) The images displaying the shape-memory behavior of F127DA-alginate hydrogels: (left) Printing shape, (middle) UV 365 nm fixed the original shape of bioink, (right) the temporary shape of the biomaterial ink. (B) In vitro drug release profiles from 3D-printed structure. (C) Images of drug-loaded 3D-printed tablets with different shapes before and after 24 h swelling in phosphate buffer (pH 7.4) (reproduced with permission from Wang et al.[119]; copyright 2021, John Wiley and Sons). (D) Photographs obtained during shape recovery (room temperature) on PVA05GLY samples with their original I-shape[153]. (Figures A, B, and D reproduced with permission from Wang et al.[153], copyright 2021, John Wiley and Sons). (E) Enzymatic degradation of fabricated microswimmers; MMP-2 is degraded from microswimmers within 118 h at the physiological level. (F) Application scenario of the 3D-printed and biodegradable microrobotic swimmers.[122]. (Figures E and F reproduced with permission from Ceylan et al.[122], copyright 2021, John Wiley and Sons).