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Proceedings 2017, 1(4), 276; doi:10.3390/proceedings1040276

Electromagnetic Characterization and Simulation of a Carbonate Buffer System on a Microwave Biosensor

1
Center for Integrated Sensor Systems, Danube University Krems, Krems an der Donau, Austria
2
AIT Austrian Institute of Technology GmbH, 1220 Vienna, Austria
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 17 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
Download PDF [546 KB, uploaded 17 August 2017]

Abstract

In order to develop a fast, sensitive and easy-to-produce biosensor, a high-quality microwave split-ring resonator is going to be developed. In the final sensing device, a blood sample will be placed as a droplet on the sensitive area of the sensor. In case of specific target biomolecules binding a shift in resonance frequency will be induced due to the effective permittivity change. This shift in resonance frequency depends on the concentration of biomolecules and is therefore quantitative. The aim of this work is to find a position for the bio-functionalization that providesa measurable frequency shift when the analyte is added. Different areas are tested experimentally and via simulations. Two buffer solutions are used which have to be characterized in terms of its electromagnetic properties in advance. This preliminary study should pave the way for the measurements in real human samples such as serum or plasma.
Keywords: microwave biosensor; split-ring resonator; electromagnetic characterization; high-frequency simulation microwave biosensor; split-ring resonator; electromagnetic characterization; high-frequency simulation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wagner, L.-M.; Strasser, F.; Melnik, E.; Brandl, M. Electromagnetic Characterization and Simulation of a Carbonate Buffer System on a Microwave Biosensor. Proceedings 2017, 1, 276.

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