Electrospun Gelatin Fibers Surface Loaded ZnO Particles as a Potential Biodegradable Antibacterial Wound Dressing

Traditional wound dressings require frequent replacement, are prone to bacterial growth and cause a lot of environmental pollution. Therefore, biodegradable and antibacterial dressings are eagerly desired. In this paper, gelatin/ZnO fibers were first prepared by side-by-side electrospinning for pote...

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Published inNanomaterials (Basel, Switzerland) Vol. 9; no. 4; p. 525
Main Authors Chen, Yu, Lu, Weipeng, Guo, Yanchuan, Zhu, Yi, Song, Yeping
Format Journal Article
LanguageEnglish
Published Switzerland MDPI 03.04.2019
MDPI AG
Subjects
antibacterial activity
gelatin fibers
ZnO particles
ZnO particles
antibacterial activity
gelatin fibers
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Summary:Traditional wound dressings require frequent replacement, are prone to bacterial growth and cause a lot of environmental pollution. Therefore, biodegradable and antibacterial dressings are eagerly desired. In this paper, gelatin/ZnO fibers were first prepared by side-by-side electrospinning for potential wound dressing materials. The morphology, composition, cytotoxicity and antibacterial activity were characterized by using Fourier transform infrared spectroscopy (FTIR), X-ray diffractometry (XRD), particle size analyzer (DLS), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), thermogravimetry (TGA) and Incucyte™ Zoom system. The results show that ZnO particles are uniformly dispersed on the surface of gelatin fibers and have no cytotoxicity. In addition, the gelatin/ZnO fibers exhibit excellent antibacterial activity against ( ) and ( ) with a significant reduction of bacteria to more than 90%. Therefore, such a biodegradable, nontoxic and antibacterial fiber has excellent application prospects in wound dressing.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano9040525