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Related Experiment Video

Updated: Mar 2, 2026

Fabrication of a Biomimetic Nano-Matrix with Janus Base Nanotubes and Fibronectin for Stem Cell Adhesion
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Biocompatible nanostructured solid adhesives for biological soft tissues.

Masahiro Okada1, Akira Nakai1, Emilio Satoshi Hara1

  • 1Department of Biomaterials, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan.

Acta Biomaterialia
|May 10, 2017
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel hydroxyapatite (HAp) nanoparticle adhesive for soft tissues. This biocompatible inorganic material demonstrated superior adhesion strength compared to fibrin glue in mouse skin tissue tests.

Keywords:
HydroxyapatiteNanoparticleSolid adhesiveWet adhesion

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Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Tissue Engineering

Background:

  • Current soft tissue adhesives like fibrin glue have limitations in biocompatibility and adhesion strength.
  • There is a need for novel, non-toxic, and biocompatible adhesives for biological soft tissue adhesion.

Purpose of the Study:

  • To synthesize and evaluate a novel solid adhesive using nanostructured hydroxyapatite (HAp) for soft tissue adhesion.
  • To compare the adhesive properties of HAp-based materials with conventional fibrin glue.

Main Methods:

  • Synthesis of a novel solid adhesive using biocompatible and biodegradable HAp nanoparticles.
  • In vitro evaluation of physical adhesion properties using synthetic hydrogels and mouse soft tissues.
  • Characterization of HAp nanoparticle shape and its effect on adhesive properties.

Main Results:

  • HAp-nanoparticle dispersions and nanoporous plates showed efficient adhesion to hydrogels.
  • HAp plates exhibited varying adhesive properties based on nanoparticle size.
  • HAp plates composed of 17nm nanoparticles achieved 2.2 times higher adhesive strength than fibrin glue on mouse skin tissues.

Conclusions:

  • Inorganic biomaterials, specifically HAp nanoparticles, can be effectively utilized as soft tissue adhesives.
  • The developed HAp adhesive offers a promising alternative to organic adhesives, with enhanced strength and biocompatibility.
  • This research paves the way for improved soft tissue closure and integration with synthetic materials.