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Chitosan-TiO2: A Versatile Hybrid Composite.

Luis Miguel Anaya-Esparza1,2, José Martín Ruvalcaba-Gómez3, Claudia Ivette Maytorena-Verdugo4

  • 1Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México-Instituto Tecnológico de Tepic. Av. Tecnológico 2595 Fracc. Lagos del Country, Tepic 63175, Mexico.

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Chitosan-titanium dioxide (CS-TiO2) composites enhance properties like antimicrobial and UV-barrier functions. These hybrid materials show promise for packaging, textiles, environmental remediation, and biomedical uses, with no reported cytotoxicity.

Keywords:
biological activitieschitosanfunctionalizationhybrid compositetitanium dioxide

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Biomaterials Engineering

Background:

  • Hybrid composites are gaining interest for advanced applications.
  • Chitosan-titanium dioxide (CS-TiO2) composites offer unique technological properties.
  • Functionalization of chitosan with TiO2 nanoparticles enhances material characteristics.

Purpose of the Study:

  • To review the advantages and limitations of CS-TiO2 composite functionalization.
  • To discuss the effects of TiO2 incorporation on CS matrix properties.
  • To explore the diverse applications of CS-TiO2 composites.

Main Methods:

  • Literature review of reported studies on CS-TiO2 composites.
  • Analysis of effects on structural, textural, thermal, optical, and mechanical properties.
  • Evaluation of biodegradability and cytotoxic effects.

Main Results:

  • TiO2 incorporation improves CS properties in a dose-dependent manner.
  • CS-TiO2 composites exhibit antimicrobial, UV-barrier, and anti-corrosive properties.
  • Potential applications include environmental remediation and biomedical uses (wound healing, drug delivery, biosensors).

Conclusions:

  • CS-TiO2 composites demonstrate significant potential across various sectors.
  • No cytotoxic effects were reported, supporting food and biomedical applications.
  • Further development of preparation protocols is needed for industrial scale-up.