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Biosensors are compact miniaturized devices to measure the biologicalsamples based on the molecular structure and convert the sameto electronic signals. The substrate Integrated Waveguide (SIW) cavitybased resonators loaded with a circular cavity can be used as a biosensorin a non invasive manner to detect the biological tissues in the sample with...
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... and the results obtained after introducing the vias significantly improved the parameters like Return loss, VSWR and relative permittivity. The return loss of the antenna was further reduced to -44.886dB and the resonant frequency is at 11.48GHz. The model of the antenna design with and without Substrate Integrates Waveguide is depicted in the Fig. 3. The microwell is then added to the center of the patch for acquiring biomaterials as a small collection compartment. The layout of a SIW cavity resonator is a rectangular patch in which the feeding mechanism is a blend of microstrip line feed and an inset feed. The vias are designed only alongside the edges of the rectangular patch of ...
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