Related Experiment Video
Updated: Nov 5, 2025

08:56
Visual Detection of Multiple Nucleic Acids in a Capillary Array
Published on: November 15, 2017
7.4K
Nucleic Acid Amplification Techniques in Immunoassay: An Integrated Approach with Hybrid Performance
Panting Sang1,2, Zhigang Hu3, Yuliang Cheng1,2
1State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
Journal of Agricultural and Food Chemistry
|May 19, 2021
Summary
This review explores combined immunoassay and nucleic acid amplification techniques for sensitive food contaminant detection. These integrated methods offer rapid, direct detection with ultra-high sensitivity, improving analytical performance.
Area of Science:
- Analytical Chemistry
- Biotechnology
- Food Science
Background:
- Immunoassays offer direct food contaminant detection.
- Molecular assays use nucleic acid amplification for gene detection.
- Integrating both combines rapid detection with high sensitivity.
Purpose of the Study:
- To review integrated immunoassay and nucleic acid amplification techniques.
- To categorize these approaches into immuno-nucleic acid amplification (I-NAA) and nucleic acid amplification-immunoassay (NAA-I).
- To discuss the advantages, drawbacks, and future directions of these combined methods.
Main Methods:
- Review of scientific literature on combined immunoassays and nucleic acid amplification.
- Categorization of methods into I-NAA and NAA-I.
- Analysis of performance characteristics, benefits, and limitations.
Main Results:
- Immunoassays provide direct, rapid detection.
- Nucleic acid amplification offers ultra-high sensitivity.
- Integrated approaches (I-NAA, NAA-I) leverage the strengths of both.
Conclusions:
- Combined immunoassays and nucleic acid amplification techniques enhance food contaminant analysis.
- Isothermal amplification with immunoassays and lateral flow with molecular assays are key areas of development.
- Further research can optimize these integrated methods for improved food safety.

