用于微流控医学中葡萄糖检测的微带共振生物传感器

2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS) Pub Date : 2014-06-09 DOI:10.1109/BIOWIRELESS.2014.6827728

U. Schwerthoeffer, Christopher Warter, R. Weigel, D. Kissinger

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引用次数: 6

摘要

提出了一种高灵敏度的生物传感器，用于检测水中葡萄糖浓度的微小变化。传感器结构基于平面半波长(λ /2)微带线(MSL)谐振器，顶部放置微流体容器。通过测量s参数在3.95 ~ 4.10 GHz范围内的相移，可以观察到电场与毫升范围内的水-葡萄糖溶液之间的相互作用。将微波检测与微流控网络相结合，提出了一种省时、低成本的微流控网络结构。使用这种技术，可以分离出低于50 mg/dl的非常敏感的水-葡萄糖浓度。

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A microstrip resonant biosensor for aqueous glucose detection in microfluidic medical applications

A highly sensitive biosensor to detect small variations of glucose concentrations in water is proposed. The sensor structure is based on a planar half-wavelength (lambda/2) microstrip line (MSL) resonator with a microflu-idic container placed on top. The interaction between the electric field and the milliliter range water-glucose solutions under test can be observed measuring the phase shift of the S-parameter from 3.95 to 4.10 GHz. Combining the microwave detection and the microfluidic network, a time efficient and low cost architecture is presented. With this technique, a very sensitive water-glucose concentration of less than 50 mg/dl can be separated.

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2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS)

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