Detection of aflatoxin B1 and B2 using terahertz meta-biosensor

被引：1
|
作者：
Zhao, Rong [1 ]
Zhang, Cheng [1 ]
Xu, Donggian [2 ]
Yang, Yuping [1 ]
机构：
[1] Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China
[2] Hebei Univ Econ & Business, Sch Biol Sci & Engn, Shijiazhuang 05061, Hebei, Peoples R China
来源：
2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2019年
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
SENSITIVITY;
D O I：
10.1109/irmmw-thz.2019.8874298
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Aflatoxin B1 and B2 are toxic to humans and widespread in agricultural and food products. Thus, rapid and accurate determination of these substances is essential for the safe consumption of agricultural products and prevention of further detriment to human health. Detection via conventional methods has proven to be time-consuming and complex. Here, we present that a terahertz (THz) metamaterial (MM)-based biosensor shows promising potential for high-sensitivity, quantitative identification of aflatoxin B1 and B2 with extremely small amounts. In addition, the sensing of analyte was demonstrated as a function of content, thickness, and dielectric constant by detailed measurement and simulation.
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页数：2
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