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In Vitro Assessment and Preliminary In Vivo Characterization of Innovative Hybrid Materials for Biomedical
Martina Todesco1,2, Roberto Luisetto3, Martina Casarin2,3
1Department of Civil, Environmental and Architectural Engineering, University of Padova, Padua, Italy.
Journal of Biomedical Materials Research. Part A
|October 10, 2025
Summary
Hybrid membranes combining decellularized porcine pericardium and polycarbonate urethane show promising biocompatibility for tissue engineering. These materials integrate well with host tissue, demonstrating potential for biomedical applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Biomedical Engineering
Background:
- Hybrid materials merge biological and synthetic components for enhanced functionality.
- Biomedical applications benefit from materials that integrate with host organisms.
Purpose of the Study:
- To develop and characterize hybrid membranes from decellularized porcine pericardium and polycarbonate urethane.
- To evaluate the cytocompatibility, biocompatibility, and mechanical properties of these novel hybrid membranes.
Main Methods:
- Hybrid membranes (AR and AR-LT with microsilica) were fabricated and characterized using physicochemical analyses.
- In vitro cytocompatibility was assessed via direct contact tests, and in vivo biocompatibility was evaluated in a rat model.
- Mechanical properties were determined through tensile, cyclic, and stress-relaxation tests.
Main Results:
- Physicochemical analyses confirmed good adhesion between pericardium and polymer.
- Hybrid materials exhibited viscoelastic behavior, with stable mechanical resistance under cyclic loading.
- In vitro tests showed no cytotoxicity, while in vivo studies revealed enhanced tissue integration, reduced fibrosis, and increased neovascularization compared to the polymer control.
Conclusions:
- Hybrid membranes demonstrate favorable biocompatibility and adequate mechanical features for tissue engineering.
- These materials show potential for biomedical applications due to improved host tissue integration and lack of degradation.
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