Preparation, design, and characterization of an electrospun polyurethane/calcium chloride nanocomposite scaffold with improved properties for skin tissue regeneration

Author:

Mani Mohan Prasath12,Ponnambalath Mohanadas Hemanth3,Faudzi Ahmad Athif Mohd45,Ismail Ahmad Fauzi6,Tucker Nick7ORCID,Mohamaddan Shahrol8,K Verma Suresh9,Jaganathan Saravana Kumar101112ORCID

Affiliation:

1. Department of Mechanical Engineering, SNS College of Technology, Coimbatore, India

2. School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia

3. Fresenius Medical Care North America, Concord, CA, USA

4. School of Electrical Engineering, Faculty of Engineering, UniversitiTeknologi Malaysia, Johor Bahru, Malaysia

5. Centre for Artificial Intelligence and Robotics, UniversitiTeknologi Malaysia, Kuala Lumpur, Malaysia

6. Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, UniversitiTeknologi Malaysia, Johor Bahru, Malaysia

7. School of Engineering, College of Health and Science, Lincoln, UK

8. Department of Bioscience and Engineering, College of Systems Engineering and Science, Shibaura Institute of Technology, Saitama, Japan

9. School of Biotechnology, KIIT University, Bhubaneswar, India

10. Institute of Research and Development, Duy Tan University, Da Nang, Vietnam

11. School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam

12. Materials Science and Engineering, School of Engineering, College of Health and Science, Lincoln, UK

Abstract

The present research paper explores the potential of electrospun nanofibers in the promising field of skin tissue engineering. Specifically, we propose an advanced preparation and characterization of an electrospun Polyurethane/Calcium Chloride (PU/CaCl2) nanocomposite scaffold, devised to boost the scaffold’s physicochemical and biological properties for skin tissue regeneration. By incorporating CaCl2 into the PU matrix using an electrospinning process, we were able to fabricate a novel nanocomposite scaffold. The morphological examination through Field Emission Scanning Electron Microscope (FESEM) revealed that the fiber diameter of the PU/CaCl2 (563 ± 147 nm) scaffold was notably smaller compared to the control (784 ± 149 nm). The presence of CaCl2 in the PU matrix was corroborated by Fourier-Transform Infrared Spectroscopy (FTIR) and Thermogravimetric Analysis (TGA). Furthermore, the PU/CaCl2 scaffold exhibited superior tensile strength (10.81 MPa) over pristine PU (Tensile −6.16 MPa, Contact angle - 109° ± 1° and Roughness - 854 ± 32 nm) and revealed enhanced wettability (72° ± 2°) and reduced surface roughness (274 ± 104 nm), as verified by Contact angle and Atomic Force Microscopy. The developed scaffold demonstrated improved anticoagulant properties, indicating its potential for successful integration within a biological environment. The improved properties of the PU/CaCl2 nanocomposite scaffold present a significant advancement in electrospun polymer nanofibers, offering a potential breakthrough in skin tissue engineering. However, additional studies are required to thoroughly evaluate the scaffold’s effectiveness in promoting cell adhesion, proliferation, and differentiation. We aim to catalyze significant advancements in the field by revealing the creation of a potent skin scaffold leveraging electrospun nanofibers. Encouraging deeper exploration into this innovative electrospun composite scaffold for skin tissue engineering, the PU/CaCl2 scaffold stands as a promising foundation for pioneering more innovative, efficient, and sustainable solutions in biomedical applications.

Publisher

SAGE Publications

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