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June 19, 2026Small

Research Progress of Single/Multi‐Mode Optical Sensors on Visual Monitoring of Food Freshness: A Review

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Authors

QZQi ZhangGLGuoxin Liu

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Overview

Review explores advancements in optical sensors detecting food freshness biomarkers, suggesting their potential in food safety.

Key Points

  • The aim is to review advancements in optical sensors for monitoring food freshness and safety.
  • Systematic review of single-mode, dual-mode, and multi-mode optical sensors.
  • Focus on sensor performance regarding biogenic amines, hydrogen sulfide, and organic acids in perishable foods.
  • Assessment of the incorporation of novel materials and smartphone technologies in sensor development.
  • Novel materials like metal-organic frameworks and carbon dots enhance sensor performance significantly.
  • Smartphone integration with deep learning algorithms improves signal acquisition and analysis.
  • Challenges include environmental interference and the need for multi-parameter detection in food monitoring.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a34de7065a5b0777af2dc71https://doi.org/10.1002/smll.74139
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  1. 1Advancing Analytical Technologies for Rapid Food Freshness Detection: A Comprehensive Review2026
  2. 2A Comprehensive Review of Non-Destructive Monitoring of Food Freshness and Safety Using NIR Spectroscopy and Biosensors: Challenges and Opportunities2025
  3. 3Advances in Optical Sensing Technologies for On-Site Detection of Harmful Residues in Food: Principles and Recent Applications2025
  4. 4Optical biosensors for food safety: recent progress in detecting foodborne pathogens in animal-derived products2026 · 1 citations
  5. 5Smart Chemical Sensors for Monitoring and Detection of Spoilage in Fermented and Non-Fermented Food Products2026