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Surface modification and property analysis of biomedical polymers used for tissue engineering
Zuwei Ma1, Zhengwei Mao, Changyou Gao
1Department of Polymer Science and Engineering, Zhejiang University, and Key Laboratory of Macromolecule Synthesis and Functionalization, Ministry of Education, Hangzhou 310027, China.
Colloids and Surfaces. B, Biointerfaces
|August 9, 2007
Summary
Surface engineering of biomedical polymers enhances biocompatibility by modifying material surfaces to improve cell interactions. This review details methods for surface modification, characterization, and assessing cell responses for tissue engineering applications.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Biomedical Engineering
Background:
- Host organism response to biomaterials is dictated by surface properties.
- Surface engineering of synthetic polymers is crucial for tissue engineering and regenerative medicine.
- Established techniques involve surface modification, characterization, and biocompatibility assessment.
Purpose of the Study:
- To review principles and practices of surface engineering for biomedical polymers.
- To discuss techniques for improving hydrophilicity, introducing functional groups, and immobilizing proteins.
- To compare characterization methods and evaluate biocompatibility assessment techniques.
Main Methods:
- Surface modification techniques (hydrophilicity, functional groups, protein immobilization).
- Chemical and physical characterizations (ATR-FTIR, XPS, SIMS, Ellipsometry, SPR, QCM).
- Biocompatibility assessment via cell culture (adhesion, proliferation, morphology, viability, migration, gene expression).
Main Results:
- Surface properties significantly influence host response at macroscopic, cellular, and protein levels.
- Various surface modification strategies can enhance polymer biocompatibility.
- Multiple characterization techniques exist for analyzing modified surfaces and protein interactions.
- Cell-based assays are essential for evaluating biomaterial biocompatibility.
Conclusions:
- Surface engineering is vital for developing advanced biomedical polymers.
- A comprehensive understanding of modification, characterization, and assessment is necessary.
- This review provides insights into optimizing biomaterial performance for regenerative medicine.
