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Overview-gold nanoparticles-based sensitive nanosensors in mycotoxins detection
Silu Hou1, Jingjiao Ma1, Yuqiang Cheng1
1Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.
Critical Reviews in Food Science and Nutrition
|August 2, 2022
Summary
This review explores enhancing nanosensor sensitivity for detecting food-borne mycotoxins. Gold nanoparticles (AuNPs) are key for improving detection through novel recognition elements and signal amplification strategies.
Area of Science:
- * Food safety and analytical chemistry.
- * Nanotechnology and biosensing.
Background:
- * Food-borne mycotoxins pose significant global health risks.
- * Nanosensors offer high specificity and sensitivity for mycotoxin detection.
- * Enhancing nanosensor sensitivity is crucial for accurate mycotoxin analysis.
Approach:
- * Review of strategies to improve gold nanoparticle (AuNP)-based nanosensors.
- * Focus on advancements in recognition elements (antibodies, aptamers, peptides).
- * Examination of signal amplification materials (AuNPs, quantum dots, graphene).
Key Points:
- * AuNPs serve dual roles as signal amplifiers and carriers for recognition elements.
- * Strategies enhance colorimetric signal intensity for improved detection.
- * Examples illustrate mechanisms for boosting AuNP-based biosensing.
Conclusions:
- * Emerging strategies significantly enhance mycotoxin detection sensitivity.
- * AuNP-based nanosensors show great potential in food safety applications.
- * Challenges and future research directions for AuNP detection are discussed.
