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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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Logarithmic functions are powerful tools for simplifying the mathematical representation of phenomena involving exponential changes. Their ability to convert multiplicative relationships into additive ones is especially valuable in various scientific and engineering contexts. One notable application of logarithms is measuring sound intensity, specifically through the decibel (dB) scale used in acoustics.Sound intensity levels vary over an extensive range, from the faintest audible whisper to...
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Chitosan-based hydrogels: From preparation to biomedical applications.

Michelly C G Pellá1, Michele K Lima-Tenório2, Ernandes T Tenório-Neto2

  • 1Department of Chemistry, State University of Maringá, Av. Colombo, 5790, CEP 87020-900, Maringá, Paraná, Brazil.

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Chitosan-based hydrogels, derived from polysaccharides, show promise for biomedical applications. This review highlights recent advancements in their preparation and properties for drug delivery and tissue engineering.

Keywords:
BiomaterialChitosanDrug deliveryHydrogelTissue engineering

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Biomedical Engineering

Background:

  • Polysaccharides are increasingly utilized in biocompatible devices due to their favorable properties.
  • Chitosan, a versatile polysaccharide, is extensively researched for hydrogel preparation.
  • Chitosan-based hydrogels offer biocompatibility, biodegradability, and cost-effectiveness.

Purpose of the Study:

  • To review recent progress in chitosan-based hydrogels.
  • To focus on preparation methods, properties, and applications.
  • To highlight advancements in drug delivery and tissue engineering.

Main Methods:

  • Literature review of recent studies on chitosan-based hydrogels.
  • Analysis of preparation techniques and material properties.
  • Evaluation of applications in drug delivery and tissue engineering.

Main Results:

  • Chitosan hydrogels demonstrate significant potential in biomedical fields.
  • Recent research shows diverse preparation methods and tunable properties.
  • Successful applications in drug delivery and tissue engineering have been documented.

Conclusions:

  • Chitosan-based hydrogels are promising biomaterials for advanced biomedical applications.
  • Continued research into their preparation and properties will drive innovation.
  • These hydrogels offer viable solutions for drug delivery and tissue engineering challenges.