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Hierarchically Structured Surfaces Prepared by Phase Separation: Tissue Mimicking Culture Substrate.
Markéta Kadlečková1,2, Kateřina Skopalová2, Barbora Ptošková1
1Faculty of Technology, Tomas Bata University in Zlin, 760 01 Zlin, Czech Republic.
International Journal of Molecular Sciences
|March 10, 2022
Summary
Researchers created a 3D hierarchical surface structure that enhances cell proliferation and alters cell morphology. This novel method for surface fabrication offers new insights into cell behavior on structured surfaces.
Area of Science:
- Biomaterials Science
- Cell Biology
- Surface Engineering
Background:
- Mimicking the in vivo microenvironment is crucial for understanding cell behavior.
- Existing methods for creating structured surfaces often involve problematic templates or additives.
Purpose of the Study:
- To develop a novel method for preparing pseudo 3D hierarchical structures.
- To investigate the impact of these structured surfaces on cell proliferation and morphology.
Main Methods:
- Phase separation technique on tissue culture plastic.
- Time-sequenced dosing of solvent-polymer mixtures for surface treatment.
- Characterization using atomic force microscopy, scanning electron microscopy, and contact profilometry.
Main Results:
- Successfully fabricated hierarchically structured surfaces with macro, meso, and micro pores.
- Observed increased proliferation in mouse embryonic stem cells and fibroblasts.
- Noted distinct morphological changes in embryonic stem cells cultured on structured surfaces.
Conclusions:
- The developed method enables the creation of complex 3D hierarchical surfaces without problematic additives.
- The engineered surfaces significantly influence cell proliferation and morphology.
- Findings advance the understanding of cell-surface interactions and provide new fabrication techniques.
