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Aptamer-based NanoBioSensors for seafood safety
Dhruba Jyoti Sarkar1, Bijay Kumar Behera1, Pranaya Kumar Parida1
1Aquatic Environmental Biotechnology and Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, 700120, West Bengal, India.
Biosensors & Bioelectronics
|October 24, 2022
Summary
Aptamer-based biosensors offer a robust alternative to traditional immunoassays for detecting seafood contaminants. These aptasensors provide high specificity for various targets, enhancing seafood safety and monitoring.
Area of Science:
- Food Science
- Analytical Chemistry
- Biotechnology
Background:
- Chemical and biological contaminants pose significant risks to seafood safety.
- Immunoassay (IA) technology has limitations in detecting small molecules and requires stable conditions.
- Robust and rapid detection methods are crucial for seafood safety management.
Purpose of the Study:
- To review recent advancements in aptamer-based biosensors (aptasensors) for detecting seafood contaminants.
- To highlight the potential of aptasensors as molecular recognition elements (MREs) for various targets.
- To provide an outlook on translating aptasensor technology to the seafood industry.
Main Methods:
- Review of recent scientific literature on aptasensor development for seafood contaminant detection.
- Analysis of aptamer specificity and stability compared to antibodies.
- Discussion of aptasensor applications for heavy metals, antibiotics, pesticides, pathogens, and biotoxins.
Main Results:
- Aptasensors demonstrate high specificity and robustness for detecting a wide range of seafood contaminants.
- Aptamers overcome limitations of antibody-based methods for small molecular targets and ambient conditions.
- Recent progress shows significant potential for aptasensors in seafood safety monitoring.
Conclusions:
- Aptasensors represent a powerful and versatile tool for seafood contaminant detection.
- Their specificity and stability make them suitable for non-biomedical applications in the seafood industry.
- Further development can facilitate the adoption of aptasensors for improved seafood safety and consumer protection.

