Related Experiment Video
Updated: Aug 5, 2025
09:39
Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications
Published on: February 7, 2021
8.0K
Studies on PVP-Based Hydrogel Polymers as Dressing Materials with Prolonged Anticancer Drug Delivery Function
Agnieszka Sobczak-Kupiec1, Sonia Kudłacik-Kramarczyk1, Anna Drabczyk1
1Department of Materials Engineering, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland.
Materials (Basel, Switzerland)
|March 29, 2023
Summary
This study introduces novel nanogold-modified hydrogels for tamoxifen delivery. These hydrogels offer controlled, prolonged anticancer drug release, especially in acidic tumor environments.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Drug Delivery Systems
Background:
- Tamoxifen is a key anticancer drug requiring effective delivery systems.
- Cyclodextrin-drug complexes are explored for sustained drug release.
- Novel carriers combining nanogold, hydrogels, and cyclodextrin-tamoxifen complexes are investigated.
Purpose of the Study:
- To synthesize and characterize novel polyvinylpyrrolidone (PVP)/gelatin-based hydrogels incorporating β-cyclodextrin-tamoxifen complexes and nanogold.
- To evaluate the drug release profiles and stability of these advanced drug carrier systems.
- To assess the potential of these materials for enhanced anticancer drug delivery.
Main Methods:
- Synthesis of nanogold suspension and PVP/gelatin hydrogels via photopolymerization.
- Incorporation of β-cyclodextrin-tamoxifen complexes into hydrogel matrices.
- Characterization of nanogold properties, hydrogel swelling, stability in simulated physiological fluids, and chemical structure.
- Determination of tamoxifen release profiles under varying pH conditions.
Main Results:
- The developed hydrogels exhibited swelling capacity and stability in simulated physiological environments without structural degradation.
- Tamoxifen release was significantly more effective in acidic conditions compared to alkaline conditions, aligning with tumor microenvironment characteristics.
- Composites containing the tamoxifen-β-cyclodextrin complex demonstrated a prolonged drug release profile compared to those with unbound tamoxifen.
Conclusions:
- The synthesized nanogold-modified hydrogels show significant potential as advanced drug carriers for anticancer agents like tamoxifen.
- The sustained and pH-responsive drug release capabilities make these materials particularly promising for targeted cancer therapy.
- Further development of these hydrogel-based systems could lead to improved therapeutic outcomes in cancer treatment.
