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Thin Film Composite Silicon Elastomers for Cell Culture and Skin Applications: Manufacturing and Characterization
Published on: July 3, 2018
Collagen-cellulose composite thin films that mimic soft-tissue and allow stem-cell orientation.
Terry W J Steele1, Charlotte L Huang, Evelyne Nguyen
1Division of Materials Technology, Materials and Science Engineering, Nanyang Technological University, N4.1-01-30, 50 Nanyang Ave, Singapore, 639798, Singapore. wjsteele@ntu.edu.sg
Journal of Materials Science. Materials in Medicine
|May 15, 2013
Summary
A novel collagen-cellulose composite film (CCCF) demonstrates promising mechanical properties and enhanced cell infiltration for biomaterial applications in tissue repair. This advanced biomaterial shows potential for musculoskeletal and cardiovascular regeneration.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Biomedical Engineering
Background:
- Collagen films possess suboptimal mechanical properties for musculoskeletal and cardiovascular biomaterial applications.
- Developing advanced collagen-based biomaterials is crucial for regenerative medicine.
Purpose of the Study:
- To develop and characterize a novel collagen-cellulose composite film (CCCF).
- To compare the mechanical properties, cell growth, and histological characteristics of CCCF against swine small intestine submucosa (SIS).
- To elucidate the structure-activity relationships of CCCF for biomaterial applications.
Main Methods:
- Characterization of CCCF using FE-SEM, NMR, mass spectrometry, and Raman Microscopy.
- Assessment of mechanical properties in wet and dry conditions, including stress-strain analysis.
- In vitro cell culture studies using mesenchymal stem cells (MSCs), human umbilical vein endothelial cells (HUVECs), and human coronary artery smooth muscle cells (HCASMCs).
- Histological analysis to evaluate cell infiltration and tissue integration.
Main Results:
- CCCF exhibited anisotropic stress-strain curves, mimicking soft tissue mechanical behavior in both wet and dry states.
- MSCs, HUVECs, and HCASMCs proliferated on CCCF with specific cell orientation.
- MSCs demonstrated a higher proliferation index and greater infiltration into CCCF compared to SIS.
- FE-SEM, NMR, mass spectrometry, and Raman Microscopy provided insights into CCCF's structure and composition.
Conclusions:
- The collagen-cellulose composite film (CCCF) presents superior mechanical properties and biocompatibility compared to traditional collagen films and SIS.
- CCCF supports robust cell proliferation and infiltration, indicating its potential for tissue regeneration.
- This study introduces a promising collagen-cellulose composite film for future biomaterial development in musculoskeletal and cardiovascular repair.
