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Recent Advances in Electrospun Polymer Nanofibers

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Fibers".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 572

Special Issue Editor


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Guest Editor
Center of Engineering and Exact Sciences, State University of West Paraná, Paraná, Brazil
Interests: polymer materials; electrospinning; nanofibers; eletrochemical sensors

Special Issue Information

Dear Colleagues,

In recent years, electrospun polymer nanofibers have attracted great interest due to their unique properties, such as high surface-to-volume ratio, porosity, flexibility, and mechanical performance. The electrospinning technique enables the production of nanofibers with different compositions and morphologies, expanding their applications in various fields. In the healthcare sector, nanofibers have been used for controlled drug delivery, tissue engineering, and advanced wound dressings due to their ability to mimic the extracellular matrix. In the environmental field, they are employed in water and air filtration thanks to their high efficiency in removing contaminants. Additionally, electrospun nanofibers have shown potential in sensors and electronic devices, offering high sensitivity and the ability to detect small environmental changes. In the energy sector, they are used in batteries and solar cells, improving efficiency and storage capacity. Recent advances include the development of hybrid and multifunctional nanofibers, which combine different materials to optimize their properties and further expand their applications. Thus, the future outlook is promising, with the expectation that electrospun nanofibers will play a crucial role in technological innovation and in solving global challenges.

Dr. Josiane Caetano
Guest Editor

Manuscript Submission Information

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Keywords

  • electrospinning
  • nanofibers
  • hybrid nanofibers
  • biomedical applications
  • environmental applications
  • energy applications
  • nanotechnology

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Published Papers (1 paper)

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Research

23 pages, 9967 KiB  
Article
Analysis of Chemical Heterogeneity in Electrospun Fibers Through Hyperspectral Raman Imaging Using Open-Source Software
by Omar E. Uribe-Juárez, Luis A. Silva Valdéz, Flor Ivon Vivar Velázquez, Fidel Montoya-Molina, José A. Moreno-Razo, María G. Flores-Sánchez, Juan Morales-Corona and Roberto Olayo-González
Polymers 2025, 17(13), 1883; https://doi.org/10.3390/polym17131883 - 6 Jul 2025
Viewed by 430
Abstract
Electrospinning is a versatile technique for producing porous nanofibers with a high specific surface area, making them ideal for several tissue engineering applications. Although Raman spectroscopy has been widely employed to characterize electrospun materials, but most studies report bulk-averaged properties without addressing the [...] Read more.
Electrospinning is a versatile technique for producing porous nanofibers with a high specific surface area, making them ideal for several tissue engineering applications. Although Raman spectroscopy has been widely employed to characterize electrospun materials, but most studies report bulk-averaged properties without addressing the spatial heterogeneity of their chemical composition. Raman imaging has emerged as a promising tool to overcome this limitation; however, challenges remain, including limited sensitivity for detecting minor components, reliance on distinctive high-intensity bands, and the frequent use of commercial software. In this study, we present a methodology based on Raman hyperspectral image processing using open-source software (Python), capable of identifying components present at concentrations as low as 2% and 5%, even in the absence of exclusive bands of high or medium intensity, respectively. The proposed approach integrates spectral segmentation, end member extraction via the N-FINDR algorithm, and analysis of average spectra to map and characterize the chemical heterogeneity within electrospun fibers. Finally, its performance is compared with the traditional approach based on band intensities, highlighting improvements in sensitivity and the detection of weak signals. Full article
(This article belongs to the Special Issue Recent Advances in Electrospun Polymer Nanofibers)
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