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Updated: Jul 6, 2026
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Simple and Robust in vivo and in vitro Approach for Studying Virus Assembly
Published on: March 1, 2012
Layer-by-layer assembly of viral capsid for cell adhesion
1State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, China.
Acta Biomaterialia
|April 5, 2008
Summary
Biologically active thin films using Cowpea mosaic virus (CPMV) enable controlled cell culture. Researchers developed scalable biomolecular surfaces to influence fibroblast adhesion and proliferation.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Cell Biology
Background:
- Biomolecular surfaces are crucial for controlling cell behavior in culture.
- Developing scalable and well-characterized methods for creating these surfaces is an ongoing challenge.
- Cowpea mosaic virus (CPMV) offers potential as a building block for novel biomaterials.
Purpose of the Study:
- To construct quantitatively scalable biomolecular surfaces using CPMV for cell culture applications.
- To investigate the factors influencing CPMV nanoparticle adsorption onto surfaces.
- To demonstrate the control of NIH-3T3 fibroblast adhesion and proliferation using CPMV-based surfaces.
Main Methods:
- Layer-by-layer assembly of CPMV and poly(diallyldimethylammonium chloride) to create thin films.
- Characterization of the biomolecular surfaces using quartz crystal microbalance, UV-vis spectroscopy, and atomic force microscopy.
- Assessment of NIH-3T3 fibroblast adhesion and proliferation on the fabricated surfaces.
Main Results:
- Scalable biomolecular surfaces with controlled CPMV nanoparticle coverage were successfully constructed.
- CPMV adsorption was found to be dependent on adsorption time and pH, with maximum adsorption near the isoelectric point.
- The coverage density of CPMV nanoparticles directly influenced the adhesion and proliferation rates of NIH-3T3 fibroblasts.
Conclusions:
- CPMV-based thin films are biologically active and suitable for cell culture applications.
- Layer-by-layer assembly provides a tunable method for creating biomolecular surfaces with controlled nanoparticle coverage.
- This technique offers a promising approach for regulating cell adhesion and proliferation through engineered biomaterial interfaces.
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