The combination of magnetoelastic (ME) wireless biosensing with surface swab sampling

Yuzhe Liu; Songtao Du; Shin Horikawa; I-Hsuan Chen; Jianguo Xi; Xu Lu; Tung-Shi Huang; Bryan A. Chin

doi:10.1117/12.2305242

15 May 2018 The combination of magnetoelastic (ME) wireless biosensing with surface swab sampling

Yuzhe Liu, Songtao Du, Shin Horikawa, I-Hsuan Chen, Jianguo Xi, Xu Lu, Tung-Shi Huang, Bryan A. Chin

Proceedings Volume 10665, Sensing for Agriculture and Food Quality and Safety X; 106650E (2018) https://doi.org/10.1117/12.2305242
Event: SPIE Commercial + Scientific Sensing and Imaging, 2018, Orlando, FL, United States

Abstract

To perform rapid sensing of pathogens on the surface of food or food preparing plates, ME wireless biosensing system was combined with surface swab sampling techniques in this research. The ME biosensors which consist of ME resonators E2 phage was generally used for Salmonella typhimurium direct detections on the surfaces. E2 phage used in this research was designed for Salmonella typhimurium specific binding. Instead of measuring one spot at a time, the desired area or the whole area of a target surface can be swabbed for the inexpensive, rapid and easy-to-use pathogen collections. In this study, we first investigated the efficiency of capture and release of a model pathogen, Salmonella Typhimurium, by swab sampling on wet or dry surfaces. Plate counting was used to identify the recovery rates. The efficiency of capture and release was calculated and compared between various kinds of swabs which were composed of different tip materials, including cotton, rayon, and nylon-flocked ones.

Conference Presentation

Citation Download Citation

Yuzhe Liu, Songtao Du, Shin Horikawa, I-Hsuan Chen, Jianguo Xi, Xu Lu, Tung-Shi Huang, and Bryan A. Chin "The combination of magnetoelastic (ME) wireless biosensing with surface swab sampling", Proc. SPIE 10665, Sensing for Agriculture and Food Quality and Safety X, 106650E (15 May 2018); https://doi.org/10.1117/12.2305242

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