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Development of an Electrochemical DNA Biosensor to Detect a Foodborne Pathogen
Published on: June 3, 2018
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Bioaffinity Nanoprobes for Foodborne Pathogen Sensing.
Tracy Ann Bruce-Tagoe1, Michael K Danquah1
1Department of Chemical Engineering, University of Tennessee, Chattanooga 615 McCallie Ave, Chattanooga, TN 37403, USA.
Micromachines
|June 28, 2023
Summary
Bioaffinity nanoprobes offer sensitive and rapid detection of foodborne pathogens, enhancing food safety. Research focuses on optimizing these nanosensors for broader application in the food industry.
Area of Science:
- Biotechnology and Food Science
- Nanotechnology for Biosensing Applications
Background:
- Bioaffinity nanoprobes leverage specific biological molecule binding for pathogen detection.
- These nanosensors are crucial for sensitive and specific identification of foodborne pathogens.
Purpose of the Study:
- To review the analytical methods for evaluating bioaffinity nanoprobes.
- To discuss advances in biosensor development for foodborne pathogen monitoring.
Main Methods:
- Utilizing bioaffinity interactions (antibodies, enzymes, nucleic acids) for detection.
- Employing analytical techniques such as Surface Plasmon Resonance (SPR), Fluorescence Resonance Energy Transfer (FRET), circular dichroism, and flow cytometry.
Main Results:
- Bioaffinity nanoprobes provide high specificity and sensitivity for pathogen detection.
- Advantages include low-level detection, rapid analysis, and cost-effectiveness.
- Limitations involve the need for specialized equipment and potential cross-reactivity.
Conclusions:
- Bioaffinity nanoprobes are a promising tool for food safety testing.
- Ongoing research aims to optimize performance and expand applications in the food industry.

