Electrospun and co-electrospun biopolymer nanofibers for skin wounds on diabetic patients: An overview

Paola I. Campa-Siqueiros, Tomás J. Madera-Santana*, María M. Castillo-Ortega, Jaime López-Cervantes, Jesús F. Ayala-Zavala, Elizabeth L. Ortiz-Vazquez

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

19 Scopus citations


Wound healing treatment in diabetic patients worldwide represents around 2.1 trillion dollars to global health sectors. This is because of the complications presented in the wound healing process of skin ulcers, such as a lack of macrophage and fibroblast growth factors (TGF-β1 and PDGF, respectively) that are both needed for extracellular matrix (ECM) synthesis. Therefore, there is a need for research on new and cost-effective materials to enable ECM synthesis. Such materials include co-electrospun nanofibers used as wound dressings, since they have a similar morphology to the ECM, and therefore, possess the advantage of using different materials to accelerate the wound healing process. Co-electrospun nanofibers have a unique structural configuration, formed by a core and a shell. This configuration allows the protection and gradual liberation of healing agent compounds, which could be included in the core. Some of the materials used in nanofibers are polymers, including natural compounds, such as chitosan (which has been proven to possess antimicrobial and therapeutic activity) and gelatin (for its cell growth, adhesion, and organisational capacity in the wound healing process). Synthetics such as polyvinyl-alcohol (PVA) (mainly as a co-spinning agent to chitosan) can also be used. Another bioactive compound that can be used to enhance the wound healing process is eugenol, a terpenoid present in different medicinal plant tissues that have scarring properties. Therefore, the present review analyses the potential use of co-electrospun nanofibers, with chitosan-PVA-eugenol in the core and gelatin in the shell as a wound dressing for diabetic skin ulcers.

Original languageEnglish
Pages (from-to)15340-15350
Number of pages11
JournalRSC Advances
Issue number25
StatePublished - 23 Apr 2021

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© 2021 The Royal Society of Chemistry.


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