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International Journal of Bioprinting Bioprinting for wearable tech and robot

Figure 3. Bioprinting for e-skin and wearable sensors (a) 3D bioprinting of hair follicles within the skin. Adapted with permission from Motter Catarino
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et al. (b) Diagram illustrating the embedded printing to create electro-mimetic structures and biomimetic cochleae. Adapted with permission from
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Lei et al. (c) A parylene electrocorticography electrode array implanted on the surface of a rat’s cortex. Adapted with permission from Kim et al.
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(d) Schematic of in situ bioprinting and photocrosslinking using bioconcrete bioink. Adapted with permission from Xie et al. Abbreviations: PDMS:
Polydimethylsiloxane; ECoG: Electrocorticography; HUVECs: Human Umbilical Vein Endothelial Cells.
biocompatible hydrogel-based bioelectronics platform. organ printing and wound management. Krishnadoss et al.
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They used silver nanoparticles to print electronic circuits developed a flexible and biocompatible platform using 3D
between two gelatin methacryloyl (GelMA) hydrogel in situ bioprinting that is capable of fabricating implantable
layers and tested the effects of electrical stimulation and soft micro-supercapacitors (MSCs). The platform uses
temperature of the circuit designs on cells. This platform bio-ionic liquid-functionalized biopolymers that form
could potentially be used to study cell behavior under a hydrogel electrolyte when exposed to visible light. The
external stimuli and for biomedical applications, such as MSC has a specific capacitance of 16 μF/g, a volumetric

Volume 10 Issue 6 (2024) 24 doi: 10.36922/ijb.3590