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To enhance the miniaturization of the single-sided resonators, and to overcome the drawbacks in using broadside resonators, the Edge-Coupled Spiral Resonator (EC-SR) is proposed and implemented as near-field sensor. A prototype is fabricated and tested by sensing different liquids and organic tissues. The results validate the possibility to use the proposed resonator in designing sensors for biomedical...
The design of a minimally invasive surgery tool for the detection and treatment of cancerous tissue is presented. The planar structure is based on spiral resonators, with an operating frequency range from 4 GHz to 6 GHz, excited by a conventional coplanar waveguide to, firstly, extract resonance shifts to gain information about permittivity changes in the surrounded tissue. As second feature, tumorous...
This work presents two tapered transmission lines coupled quasi-lumped resonators as miniaturized sensors intended for liquid mixtures concentration measurement. The first resonator is designed in the parallel plate's topology, and the second one in the coplanar waveguide topology. The main part of the aforementioned resonator is an interdigital capacitor where the confinement of an intense electric...
This paper presents a label-free and non-invasive plasmonic sensor based on electrical cell impedance detection at sub-THz. The plasmonic sensor implemented by split-ring resonator (SRR) with different topologies is investigated in standard 65-nm CMOS process: differential T-line loaded SRR; stacked TEM-mode SRR and stacked TM-mode SRR. It is shown that sensor array with SRR has high sensitivity to...
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