Abstract

Chitosan is a natural biopolymer that can be suitable for a wide range of applications due to its biocompatibility, rigid structure, and biodegradability. Moreover, it has been proven to have an antibacterial effect against several bacteria strains by incorporating the advantages of the electrospinning technique, with which tailored nanofibrous scaffolds can be produced. A literature search is conducted in this review regarding the antibacterial effectiveness of chitosan-based nanofibers in the filtration, biomedicine, and food protection industries. The results are promising in terms of research into sustainable materials. This review focuses on the electrospinning of chitosan for antibacterial applications and shows current trends in this field. In addition, various aspects such as the parameters affecting the antibacterial properties of chitosan are presented, and the application areas of electrospun chitosan nanofibers in the fields of air and water filtration, food storage, wound treatment, and tissue engineering are discussed in more detail.

Highlights

  • In light of the advancements made in the fields of textile material production and finishing chemistry, which contaminate our water and soil, the topic of sustainability is gaining popularity in the textile world

  • Chitosan is a polycationic natural biopolymer that is ideal for an extensive range of applications, including biomedicine, filtration, and food protection, due to its biocompatibility, biodegradability, and sustainability

  • In contrast to conventional coatings with chitosan-based films, the flexible parameters of the electrospinning technique, which involves the application of an electric field between a charged polymer solution and a collector, aid in tailoring the final properties of chitosan nanofibers, such as their high porosity, high surface adhesion to bacteria, small diameter, narrow pores, hydrophilicity, and rough morphology that rod-shaped bacteria can wrap themselves around

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Summary

Introduction

In light of the advancements made in the fields of textile material production and finishing chemistry, which contaminate our water and soil, the topic of sustainability is gaining popularity in the textile world. In order to use natural fibers in technical and industrial applications, such as filtration, geotextiles, and biomedicine, it is of major importance for the lifespan of the material to resist biodegradability through the attacks of bacteria and fungi in humid environments [1]. For this reason, several natural polymers have been evaluated as potential candidates having antibacterial effects to be either applied in coating solutions on the substrate instead of oils or to be electrospun as nanofibers in composite materials.

Electrospinning
Industrial Electrospinning Techniques
Chitin
Extraction Procedure of Chitin from Crustaceans
Chitin Resources In Several Types of Mushrooms
Chitosan
Parameters Influencing the Antibacterial Properties of Chitosan
Concentration
Molecular Weight
Degree of Deacetylation
Electrospinning of Chitosan
Voltage
Feed Rate
Distance
Viscosity
Auxiliary Solvents and Composites
Antibacterial Effect of Chitosan Nanofibers
Mechanism of Antibacterial Activity of Chitosan
Susceptibility of Different Bacterial Strains to Chitosan
Effect
Application of Electrospun
Water Filtration
Filtration Types and Membrane Criteria
Electrospun Fibers from Chitosan–Polymer Mixtures for Water Filtration
Enhancing the Antibacterial Performance with Bactericidal Agents
Air Filtration
Food Storage
Fruit Freshness
Meat Shelf Life
Wound Dressings
Application Fields Summary
Method
Findings
Conclusions

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