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Related Experiment Video

Updated: Jun 14, 2025

Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications
09:39

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Nanomaterial-integrated injectable hydrogels for craniofacial bone reconstruction.

Yong Xia1, Zihan Chen1, Zebin Zheng1

  • 1The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, China.

Journal of Nanobiotechnology
|August 31, 2024
PubMed
Summary

Injectable hydrogels reinforced with nanomaterials offer a promising, shape-adaptive solution for craniofacial bone reconstruction. These advanced materials enhance mechanical strength and provide multiple biological benefits for tissue regeneration.

Keywords:
Bone tissue regenerationCraniofacial bonesInjectable hydrogelsNanomaterials

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Craniofacial Surgery

Background:

  • Craniofacial bone reconstruction is challenging due to complex anatomy and biology.
  • Traditional bone substitutes have limitations in achieving precise and effective reconstruction.
  • Injectable hydrogels (IHs) are emerging as adaptable materials for noninvasive bone repair.

Purpose of the Study:

  • To review the advances in nanomaterial (NM)-integrated injectable hydrogels for craniofacial bone reconstruction.
  • To highlight the structural, biofunctional, and mechanistic advantages of NM-reinforced IHs.
  • To provide a foundation for the clinical translation of these innovative biomaterials.

Main Methods:

  • Review of current literature on NM-reinforced IHs for craniofacial bone regeneration.
  • Analysis of structural properties, including energy dissipation and covalent crosslinking.
  • Evaluation of biofunctional aspects such as immunomodulatory, osteogenic, angiogenic, and antibacterial effects.
  • Examination of mechanistic pathways involving cell response, signaling, and biomolecule release.

Main Results:

  • NM-reinforced IHs exhibit enhanced mechanical properties suitable for craniofacial structures.
  • Incorporation of NMs imparts diverse biological activities, promoting dynamic tissue regeneration.
  • NM-engineered IHs optimize physical traits to direct cellular behavior and biomolecule delivery.
  • These materials offer multifunctionality and structure-induced features for bone repair.

Conclusions:

  • Nanomaterial-integrated injectable hydrogels represent a significant advancement over traditional craniofacial bone substitutes.
  • Their tunable mechanical and biological properties facilitate controlled tissue regeneration.
  • Further research and development are crucial for successful clinical translation in craniofacial bone reconstruction.