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3D printed swelling-driven shape-morphing pH-responsive hydrogel gripper
- Issue Date
- Dec-2023
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Citation
- Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, no.2023, pp 1 - 4
- Pages
- 4
- Journal Title
- Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
- Number
- 2023
- Start Page
- 1
- End Page
- 4
- ISSN
- 1557-170X
- Abstract
- Stimuli-responsive soft robots have provided new directions for obtaining advanced biomedical healthcare systems, such as targeted drug delivery capsules, less-invasive biopsy tools, and untethered microsurgical robots. We designed, 3D printed, and tested diverse time-dependent shape changeable 3D pH-responsive soft grippers consisting of N-isopropylacrylamide (NIPAM) and N-isopropylacrylamide-co-acrylic acid (NIPAM-AAc) bilayer. We found that the swelling/deswelling-driven actuation of the pH-responsive NIPAM/NIPAM-AAc gripper is primarily affected by the volume percent (% v/v) of the acrylic acid (AAc) and intensity of UV light. We expect that this study can be applied to untethered pH-responsive soft grippers as smart drug delivery capsules or biopsy tools in biomedical healthcare systems.
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