Research / 2020 / Article / Fig 6

Review Article

Requirement and Development of Hydrogel Micromotors towards Biomedical Applications

Figure 6

Applications of hydrogel microparticles in vivo and an actuation of a soft robot. (a) Schematic illustration of the gastric-retentive hydrogel pill, which swells in the stomach. Reproduced with permission from ref. [103], Springer 2019. (b) Schematic device illustration and optical microscopy image of the hydrogel electronic fish with an integrated power system on-the-board. Reproduced with permission from ref. [104], AAAS 2017.