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Importance of food safety: Food safety is directly related to public health. Foodborne pathogens (such as bacteria, fungi and viruses) are the main causes of foodborne diseases, causing serious health consequences.
Challenges of foodborne diseases: Despite the advancement of food preservation technology and food safety measures, foodborne disease outbreaks remain frequent, posing a challenge to environmental health management and global health.
Development of detection methods: In response to the challenges, a variety of new detection methods have been developed, including biosensors, which have gained great popularity in research and commercial markets.
Portability, affordability, simplicity: Biosensor devices are easy to carry, low cost and simple to operate.
Selectivity, sensitivity, fast measurement time: Biosensors can detect foodborne bacteria faster and more accurately than traditional methods.
Application of Electrospun Nanofbers Technology
Classification of nanomaterials: Nanomaterials are divided into 0D, 1D, 2D and 3D structures, which significantly improve the sensitivity, selectivity and response time of biosensors.
Advantages of Electrospun Nanofibers: Nanofibers are promising materials for biosensors due to their high surface area to volume ratio, and electrospinning is a simple and cost-effective method for preparing nanofibers.
Principles and Applications of Biosensors: The principles and applications of biosensors based on electrospun nanofibers are reviewed, especially in the detection of common foodborne bacteria.
Detection of Foodborne Bacteria: The mechanism and application of these biosensors in the detection of foodborne bacteria such as Salmonella, Escherichia coli, Lactobacillus monocytogenes, Staphylococcus aureus and Bacillus putida are explored.
Advantages of Electrospun Nanofibers: They have large surface area, high porosity, simple preparation, good flexibility and stability, which enhance sensor performance and improve detection limit (LOD), selectivity, sensitivity, etc.
Challenges: There are challenges such as insufficient durability, uniformity issues for industrial applications, and non-biodegradability. Detecting bacteria in real food samples is difficult because food media vary greatly.
Future Research Directions: Future research should focus on addressing these challenges to achieve more accurate, economical, fast, and environmentally friendly field testing solutions.
