Recent Advances on Peptide-Based Biosensors and Electronic Noses for Foodborne Pathogen Detection

Area of Science:

• Food safety and microbiology
• Biomolecular engineering
• Analytical chemistry

Background:

• Foodborne pathogens cause significant global illness, necessitating improved detection methods.
• Classical detection techniques face limitations in speed and accessibility.
• Biosensors utilizing peptide bioreceptors offer enhanced sensitivity and simplified sample preparation.

Purpose of the Study:

• To review peptide selection strategies for bioreceptor design.
• To survey current peptide-based biosensor technologies for pathogen detection.
• To explore innovative food monitoring approaches like electronic noses.

Main Methods:

• Selection of peptide bioreceptors via natural isolation, phage display, and in silico tools.
• Development of biosensors with diverse transduction systems.
• Integration of peptide receptors into electronic nose systems for pathogen detection.

Main Results:

• Peptide-based biosensors demonstrate high sensitivity and rapid response times.
• Electronic noses with peptide receptors show promise for foodborne pathogen detection.
• Developed systems offer potential for low-cost, on-site food analysis.

Conclusions:

• Peptide biosensors and electronic noses are advanced alternatives to classical methods.
• These technologies enhance food safety through sensitive and rapid pathogen detection.
• Portable devices are emerging for real-time, on-site food monitoring applications.