“4D printing of body temperature-responsive hydrogels based on poly (acrylic acid) with shape-memory and self-healing abilities”

Authors & Investigators

Turdimuhammad Abdullah★Oguz Okay

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Official VenueQ1 Top Tier

ACS Applied Bio Materials 6 (2), 703

Abstract & Research Summary

Additive manufacturing of smart materials that can be dynamically programmed with external stimuli is known as 4D printing. Among the 4D printable materials, hydrogels are the most extensively studied materials in various biomedical areas because of their hierarchical structure, similarity to native human tissues, and supreme bioactivity. However, conventional smart hydrogels suffer from poor mechanical properties, slow actuation speed, and instability of actuated shape. Herein, we present 4D-printed hydrogels based on poly(acrylic acid) that can concurrently possess shape-memory and self-healing properties. The printing of the hydrogels is achieved by solvent-free copolymerization of the hydrophilic acrylic acid (AAc) and hydrophobic hexadecyl acrylate (C16A) monomers in the presence of TPO photoinitiator using a stereolithography-based commercial resin printer followed by swelling in water. The printed …

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100 total citations

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Cite This Publication

@article{abdullah20234dprinti,
  title = {4D printing of body temperature-responsive hydrogels based on poly (acrylic acid) with shape-memory and self-healing abilities},
  author = {Turdimuhammad Abdullah, Oguz Okay},
  journal = {ACS Applied Bio Materials 6 (2), 703},
  volume = {6},
  number = {2},
  pages = {703},
  year = {2023},
  doi = {10.1021/ACSABM.2C00939},
  url = {https://doi.org/10.1021/ACSABM.2C00939},
}