Bone tissue engineering (BTE) is based on the participation and combination of different biomaterials, cells, and bioactive molecules to generate biosynthetic grafts for bone regeneration. Electrospinning has been used to fabricate fibrous scaffolds, which provide nanoscale architecture comprising interconnecting pores, resembling the natural hierarchy of tissues and enabling the formation of artificial functional tissues. Electrospun fibers for BTE applications have been mostly produced from polymers (chitosan, alginate, polycaprolactone, polylactic acid) and bioceramics (hydroxyapatite). Stem cells are among the most prolific cell types employed in regenerative medicine owing to their self-renewal and differentiation capacity. Most importantly, bioactive molecules, such as synthetic drugs, growth factors, and phytocompounds, are consistently used to regulate cell behavior inducing differentiation towards the osteoblast lineage. An expanding body of literature has provided evidence that these electrospun fibers loaded with bioactive molecules support the differentiation of stem cells towards osteoblasts. Thus, this review briefly describes the current development of polymers and bioceramic-based electrospun fibers and the influence of bioactive molecules in these electrospun fibers on bone tissue regeneration.
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http://dx.doi.org/10.2174/1574888X17666220414100358 | DOI Listing |
J Biomed Mater Res B Appl Biomater
January 2025
Department of Polymer and Biomaterials Science, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Szczecin, Poland.
Fabricating complex hierarchical structures mimicking natural vessels and arteries is pivotal for addressing problems of cardiovascular diseases. Various fabrication strategies have been explored to achieve this goal, each contributing unique advantages and challenges to the development of functional vascular grafts. In this study, a three-layered tubular structure resembling vascular grafts was fabricated using biocompatible and biodegradable copolymers of poly(butylene succinate) (PBS) using advanced manufacturing techniques.
View Article and Find Full Text PDFJ Nanobiotechnology
December 2024
State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, 100029, China.
Background: Electrospun nanofiber scaffolds have been widely used in tissue engineering because they can mimic extracellular matrix-like structures and offer advantages including high porosity, large specific surface area, and customizable structure. In this study, we prepared scaffolds composed of aligned and random electrospun polycaprolactone (PCL) nanofibers capable of delivering basic fibroblast growth factor (bFGF) in a sustained manner for repairing damaged tendons.
Results: Aligned and random PCL fiber scaffolds containing bFGF-loaded bovine serum albumin (BSA) nanoparticles (BSA-bFGF NPs, diameter 146 ± 32 nm) were fabricated, respectively.
Membranes (Basel)
December 2024
School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China.
Triboelectric nanogenerators (TENGs) have garnered significant attention due to their high energy conversion efficiency and extensive application potential in energy harvesting and self-powered devices. Recent advancements in electrospun nanofibers, attributed to their outstanding mechanical properties and tailored surface characteristics, have meant that they can be used as a critical material for enhancing TENGs performance. This review provides a comprehensive overview of the developments in electrospun nanofiber-based TENGs.
View Article and Find Full Text PDFMacromol Rapid Commun
December 2024
Department of Mechanical and Manufacturing Engineering, University of Cyprus, 1 Panepistimiou Avenue Nicosia, Aglantzia, 2109, Cyprus.
Sound absorption plays a crucial role in addressing noise pollution that may cause harm to both human health and wildlife. To tackle this environmental issue, the implementation of natural-based sound absorbing materials attracts considerable attention in the last few years. In this study, sound absorbing, eco-friendly composites are produced by combining a 3D natural sponge namely Luffa Cylindrica (LC) with cellulose acetate (CA) microfibrous layers that are fabricated through electrospinning.
View Article and Find Full Text PDFMacromol Rapid Commun
December 2024
Faculty of Metals Engineering and Industrial Computer Science, AGH University of Krakow, al. A. Mickiewicza 30, Krakow, 30-059, Poland.
Electrospun nanofiber scaffolds have become vital in biomedical applications due to their high surface area and tunable properties. Chitosan (CS) is widely used, but its rapid degradation limits its effectiveness. This study addresses this limitation by blending CS with polycaprolactone (PCL) and applying genipin cross-linking to enhance its stability and mechanical properties.
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