Direct Detection of Bacterial Pathogens on Fresh Fruits and Vegetables

This paper presents a rapid method of detecting specific bacterial pathogens on the surface of fresh produce without sample preparation (water rinse, soak, stomaching) and/or enrichment. The method combines wireless, phage-coated magnetoelastic (ME) biosensors and a surface-scanning detector that ca...

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Bibliographic Details
Main Authors: Horikawa, Shin, I-Hsuan Chen, Xu Lu, Songtao Du, Yuzhe Liu, Tung-shi Huang, Zhongyang Cheng, Chin, Bryan A.
Format: Conference Proceeding
Language:English
Subjects:
Amorphous magnetic materials
Biosensors
Microorganisms
Pathogens
Pollution measurement
Resonant frequency
Online Access:Request full text
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Summary:This paper presents a rapid method of detecting specific bacterial pathogens on the surface of fresh produce without sample preparation (water rinse, soak, stomaching) and/or enrichment. The method combines wireless, phage-coated magnetoelastic (ME) biosensors and a surface-scanning detector that can be passed over food surfaces for pathogen detection. The speed of detection is from 5 to 10 minutes. Simultaneous measurement of multiple sensors was demonstrated for the first time, which opens up the path to on-site, multiplexed pathogen detection.
ISSN:2168-9229
DOI:10.1109/ICSENS.2018.8589864