Electro-spun PLA-PEG-yarns for tissue engineering applications
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Magnus Kruse
Abstract
Electro-spinning is widely used in tissue-engineered applications mostly in form of non-woven structures. The development of e-spun yarn opens the door for textile fabrics which combine the micro to nanoscale dimension of electro-spun filaments with three-dimensional (3D) drapable textile fabrics. Therefore, the aim of the study was the implementation of a process for electro-spun yarns. Polylactic acid (PLA) and polyethylene glycol (PEG) were spun from chloroform solutions with varying PLA/PEG ratios (100:0, 90:10, 75:25 and 50:50). The yarn samples produced were analyzed regarding their morphology, tensile strength, water uptake and cytocompatibility. It was found that the yarn diameter decreased when the funnel collector rotation was increasd, however, the fiber diameter was not influenced. The tensile strength was also found to be dependent on the PEG content. While samples composed of 100% PLA showed a tensile strength of 2.5±0.7 cN/tex, the tensile strength increased with a decreasing PLA content (PLA 75%/PEG 25%) to 6.2±0.5 cN/tex. The variation of the PEG content also influenced the viscosity of the spinning solutions. The investigation of the cytocompatibility with endothelial cells was conducted for PLA/PEG 90:10 and 75:25 and indicated that the samples are cytocompatible.
Author Statement
Research funding: This research project was supported by the START-Program (VascuGarn) of the Faculty of Medicine, RWTH Aachen. The authors carry the responsibility for the content of this publication.
Conflict of interest: Authors state no conflict of interest.
Informed consent: Informed consent is not applicable.
Ethical approval: The conducted research is not related to either human or animals use.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Editorial
- The role of textile engineering in regenerative medicine
- Research articles
- Fibrous composite material for textile heart valve design: in vitro assessment
- Electro-spun PLA-PEG-yarns for tissue engineering applications
- Preparation, characterization and blood compatibility assessment of a novel electrospun nanocomposite comprising polyurethane and ayurvedic-indhulekha oil for tissue engineering applications
- Three-dimensional bioglass-collagen-phosphatidylserine scaffolds designed with functionally graded structure and mechanical features
- Differential mineralization of human dental pulp stem cells on diverse polymers
- Heart valves from polyester fibers: a preliminary 6-month in vivo study
- Adaptation of cardiovascular system stent implants
- Synthesizing selenium- and silver-substituted hydroxyapatite-based bone grafts and their effects on antibacterial efficiency and cell viability
- Long-term recording performance and biocompatibility of chronically implanted cylindrically-shaped, polymer-based neural interfaces
- Morphology and contractile gene expression of adipose-derived mesenchymal stem cells in response to short-term cyclic uniaxial strain and TGF-β1
- A novel ceramic tibial component is as safe as its metal counterpart
- Short communication
- Hybrid textile heart valve prosthesis: preliminary in vitro evaluation
Artikel in diesem Heft
- Frontmatter
- Editorial
- The role of textile engineering in regenerative medicine
- Research articles
- Fibrous composite material for textile heart valve design: in vitro assessment
- Electro-spun PLA-PEG-yarns for tissue engineering applications
- Preparation, characterization and blood compatibility assessment of a novel electrospun nanocomposite comprising polyurethane and ayurvedic-indhulekha oil for tissue engineering applications
- Three-dimensional bioglass-collagen-phosphatidylserine scaffolds designed with functionally graded structure and mechanical features
- Differential mineralization of human dental pulp stem cells on diverse polymers
- Heart valves from polyester fibers: a preliminary 6-month in vivo study
- Adaptation of cardiovascular system stent implants
- Synthesizing selenium- and silver-substituted hydroxyapatite-based bone grafts and their effects on antibacterial efficiency and cell viability
- Long-term recording performance and biocompatibility of chronically implanted cylindrically-shaped, polymer-based neural interfaces
- Morphology and contractile gene expression of adipose-derived mesenchymal stem cells in response to short-term cyclic uniaxial strain and TGF-β1
- A novel ceramic tibial component is as safe as its metal counterpart
- Short communication
- Hybrid textile heart valve prosthesis: preliminary in vitro evaluation
