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Updated: Jun 14, 2026

Development of a More Sensitive and Specific Chromogenic Agar Medium for the Detection of Vibrio parahaemolyticus and Other Vibrio Species
Published on: November 8, 2016
[Detection of pathogenic Vibrio by smartongue]
Guangying Zhao1, Jianfeng Huang, Shiyi Tian
1College Food Science and Biotechnology Engineering, Zhejiang Gongshang University, Food Safety Key Lab of Zhejiang Province, Hangzhou 310035, China. zhaogy-user@163.com
A novel voltammetric electronic tongue, smart tongue, successfully differentiated 11 species of pathogenic Vibrio bacteria. This rapid analytical technology shows promise for detecting food-borne pathogens.
Area of Science:
- Analytical Chemistry
- Biosensing Technology
- Microbiology
Context:
- Food-borne pathogens pose significant public health risks.
- Rapid and accurate detection methods are crucial for food safety.
- Traditional methods for pathogen identification can be time-consuming.
Purpose:
- To develop a new, rapid method for detecting and identifying food-borne pathogens using an electronic tongue.
- To differentiate 11 species of pathogenic Vibrio using a voltammetric electronic tongue (smart tongue).
Summary:
- A novel voltammetric electronic tongue, termed smart tongue, was utilized to detect and differentiate 11 species of pathogenic Vibrio.
- Principal Component Analysis (PCA) was employed for data evaluation, identifying optimal electrode arrays and frequency segments for differentiation.
- Specific electrodes (titanium, silver, tungsten) and frequencies (1 Hz, 10 Hz, 100 Hz) enabled successful differentiation of Vibrio species.
Impact:
- The smart tongue demonstrated effective differentiation of 11 pathogenic Vibrio species, analyzed via PCA.
- This technology presents a promising advancement in rapid analytical techniques for pathogen detection.
- The findings provide a valuable framework for applying smart tongue technology to other food-borne pathogens.
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Enzyme-Linked Immunosorbent Assay
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen. Enzyme-substrate reaction allows the antigen to be visualized or quantified.

