Estimation of Digital Porosity of Electrospun Veils by Image Analysis

The present work reports on an empirical mathematical expression for predicting the digital porosity (DP) of electrospun nanofiber veils, employing emulsions of poly(vinyl alcohol) (PVOH) and olive and orange oils. The electrospun nanofibers were analyzed by scanning electron microscopy (SEM), obser...

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Bibliographic Details
Published in:Polymers 2024-01, Vol.16 (2), p.300
Main Authors: Cuahuizo-Huitzil, Guadalupe, Olivares-Xometl, Octavio, Arellanes-Lozada, Paulina, Laguna Cortés, José Oscar, Arriola Morales, Janette, Santacruz-Vázquez, Claudia, Santacruz-Vázquez, Verónica
Format: Article
Language:English
Subjects:
Aluminum
Analysis
Correlation coefficients
Digital imaging
Electrospinning
Empirical analysis
Emulsions
Fibers
Identification and classification
Image analysis
Image processing
Mathematical analysis
Mathematical models
Membranes
Methods
Morphology
Nanofibers
Nanoparticles
Photomicrographs
Polyvinyl alcohol
Pore size
Porosity
Porous materials
Properties
Scanning electron microscopy
Scanning microscopy
Software
Solid surfaces
Tissue engineering
Viscosity
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Summary:The present work reports on an empirical mathematical expression for predicting the digital porosity (DP) of electrospun nanofiber veils, employing emulsions of poly(vinyl alcohol) (PVOH) and olive and orange oils. The electrospun nanofibers were analyzed by scanning electron microscopy (SEM), observing orientation and digital porosity (DP) in the electrospun veils. To determine the DP of the veils, the SEM micrographs were transformed into a binary system, and then the threshold was established, and the nanofiber solid surfaces were emphasized. The relationship between the experimental results and those obtained with the empirical mathematical expression displayed a correlation coefficient (R ) of 0.97 by employing threshold II. The mathematical expression took into account experimental variables such as the nanofiber humidity and emulsion conductivity prior to electrospinning, in addition to the corresponding operation conditions. The results produced with the proposed expression showed that the prediction of the DP of the electrospun veils was feasible with the considered thresholds.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym16020300