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Smartphone-Based Techniques Using Carbon Dot Nanomaterials for Food Safety Analysis
Reena Solanki1, Indrajit Patra2, T Ch Anil Kumar3
1Department of Chemistry, Dr APJ Abdul Kalam University, Indore, India.
Critical Reviews in Analytical Chemistry
|July 20, 2022
Summary
This study reviews carbon dots nanostructures for smartphone-based detection of agri-food pollutants. These portable nanosensors offer rapid, reliable, and low-cost onsite analysis for enhanced food safety.
Area of Science:
- Nanotechnology
- Analytical Chemistry
- Food Science
Background:
- Portable and efficient nanoprobes are crucial for onsite food pollutant determination, enhancing human health and food safety.
- Smartphones offer ideal diagnostic substrates for point-of-care analysis due to their digital imaging capabilities.
- Carbon dots nanostructures combined with bioreceptors provide versatile building blocks for advanced nanoprobe design.
Purpose of the Study:
- To outline the latest advancements in carbon dots nanostructures for smartphone-based onsite detection of agri-food pollutants.
- To summarize various diagnostic approaches for target molecules like pesticides, mycotoxins, pathogens, antibiotics, and metal ions.
- To highlight novel constructions and techniques for detecting analytes in complex food matrices.
Main Methods:
- Review of recent literature on carbon dots nanostructures integrated with smartphone technology.
- Categorization of detection methods including microscopic imaging, fluorescence, colorimetric, and electrochemical techniques.
- Analysis of scaffolds suitable for complex media and innovative nanoprobe designs.
Main Results:
- Carbon dots nanostructures integrated with smartphones enable rapid, reliable, and low-cost onsite detection of various agri-food pollutants.
- Diverse detection techniques (fluorescence, colorimetric, electrochemical) are effectively employed for target molecule diagnosis.
- Successful application of these systems in complex food matrices and resource-limited settings is demonstrated.
Conclusions:
- Smartphone-based carbon dots nanoprobes represent a significant advancement in portable analytical tools for food safety.
- Continued research into novel constructions and techniques promises further enhancement of these high-efficiency systems.
- These integrated systems offer promising prospects for safeguarding human health through improved food quality monitoring.
