Development of a banana stem native cellulose and pine resin-based nanocomposite film for wound dressing applications
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Date
2025-10-25
Journal Title
Journal ISSN
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Publisher
Elsevier Ltd.
Abstract
Bio-based polymer films offer sustainable wound care materials with absorbance capability, alongside biocompatibility, antimicrobial action, moisture retention, and low toxicity. In this study, a sustainable composite, biopolymer was fabricated through the electrospinning of native cellulose obtained from banana pseudo-stems and with Pinus patula resin. The composite film was evaluated for antibacterial activity on four bacterial species and characterized as well as for its water absorption and retention, vapor transmission, tensile strength, thermal stability, morphology, wettability, biocompatibility and surface area analysis. Antimicrobial tests showed a zone of inhibition measuring 8 mm for E. coli, 11 mm for S. aureus, 11 mm for K. pneumoniae and none for P. aeruginosa. Scanning electron microscopy images revealed that adjusting the cellulose-to-resin blending ratio produced fibers with distinct diameter ranges: 67–96 nm at a 9.5:0.5 ratio, 52–123 nm at an 8.4:1.6 ratio, and 100–137 nm at a 7.6:2.4 ratio, with the latter displaying a porous rough-surfaced network. The fibers had a water vapor transmission rate of 284.93 g/(m2.24 h) and an absorption capacity of 126.23 %. They attained a tensile strength of 7.28 MPa which is comparable to that of natural human skin (2.5–16 MPa), while their hydrophilic nature was proven by water contact angle of 54.13°. Thermal stability results indicated that thermal degradation started at approximately 160 °C. Porosity tests showed the films to be micro porous and appropriate for gaseous exchange and bacteria capture. Collectively, these results highlight the potential of banana cellulose-pine resin films as effective, natural wound dressing materials.
Sustainable Development Goals
SDG-3: Good Health and Well-Being
SDG-9 : Industry, Innovation and Infrastructure
SDG-12: Responsible Consumption and Production
SDG-13: Climate Action
SDG-15: Life on Land