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Electrospinning Fibrous Polymer Scaffolds for Tissue Engineering and Cell Culture
Published on: October 21, 2009
Electrospun linear polyethyleneimine scaffolds for cell growth
Nadia Khanam1, Carole Mikoryak, Rockford K Draper
1Department of Chemistry, University of Texas at Dallas, Richardson, TX 75083-0688, USA.
Acta Biomaterialia
|August 19, 2007
Summary
Researchers developed biocompatible scaffolds using electrospun polyethyleneimine (PEI) fibers. These novel scaffolds successfully supported the attachment and spreading of normal human fibroblast cells, indicating potential for tissue engineering applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Cell Biology
Background:
- Developing biocompatible materials is crucial for tissue engineering.
- Polyethyleneimine (PEI) is a versatile polymer with potential for scaffold fabrication.
- Understanding cell-scaffold interactions is key to designing effective tissue regeneration strategies.
Purpose of the Study:
- To create and characterize novel biocompatible scaffolds using electrospun cross-linked linear polyethyleneimine (PEI).
- To evaluate the interaction and growth of normal human fibroblast (NHF) cells on these PEI scaffolds.
- To assess the potential utility of these scaffolds in tissue engineering.
Main Methods:
- Electrospinning of cross-linked linear polyethyleneimine (PEI) with succinic anhydride and 1,4-butanediol diglycidyl ether.
- Characterization of scaffolds using Fourier transform infrared spectroscopy (FTIR) and ultraviolet-visible (UV-Vis) spectroscopy.
- Evaluation of NHF cell attachment, spreading, and viability on scaffolds using microscopy (SEM, optical, fluorescence) and cell staining techniques.
Main Results:
- Nonwoven mats of PEI fibers with diameters ranging from 160-687nm were successfully produced.
- NHF cells demonstrated attachment and spreading on the cross-linked linear PEI scaffolds.
- Cell viability assays confirmed the support of live NHF cell growth on the scaffolds.
Conclusions:
- Electrospun linear polyethyleneimine scaffolds are biocompatible and support normal human fibroblast cell growth.
- These biomaterial scaffolds show promise for applications in tissue engineering and regenerative medicine.
