ArticleSensors (Basel, Switzerland)2019
Differential Microfluidic Sensors Based on Dumbbell-Shaped Defect Ground Structures in Microstrip Technology: Analysis, Optimization, and Applications.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- An Electrically Small Patch Antenna Sensor for Salt Concentration Measurement of NaCl Solution.Sensors (Basel, Switzerland) · 2024Article
- High-Sensitivity Differential Sensor for Characterizing Complex Permittivity of Liquids Based on LC Resonators.Sensors (Basel, Switzerland) · 2024Article
- An Interdigital Microwave Sensor Based on Differential Structure for Dielectric Constant Characteristics Measurement.Sensors (Basel, Switzerland) · 2023Article
- High-Sensitivity Liquid Dielectric Characterization Differential Sensor by 1-Bit Coding DGS.Sensors (Basel, Switzerland) · 2022Article
- Techniques to Improve the Performance of Planar Microwave Sensors: A Review and Recent Developments.Sensors (Basel, Switzerland) · 2022Review
- Discussion and Analysis of Dumbbell Defect-Ground-Structure (DB-DGS) Resonators for Sensing Applications from a Circuit Theory Perspective.Sensors (Basel, Switzerland) · 2021Article
- Differential Microstrip Sensor for Complex Permittivity Characterization of Organic Fluid Mixtures.Sensors (Basel, Switzerland) · 2021Article
- Planar Phase-Variation Microwave Sensors for Material Characterization: A Review and Comparison of Various Approaches.Sensors (Basel, Switzerland) · 2021Review
- 3D-Printed All-Dielectric Electromagnetic Encoders with Synchronous Reading for Measuring Displacements and Velocities.Sensors (Basel, Switzerland) · 2020Article
- Real-Time Water Quality Monitoring with Chemical Sensors.Sensors (Basel, Switzerland) · 2020Review
- Microwave Sensors Based on Resonant Elements.Sensors (Basel, Switzerland) · 2020Article
- Microwave Differential Frequency Splitting Sensor Using Magnetic-LC Resonators.Sensors (Basel, Switzerland) · 2020Article
- Design of Substrate-Integrated Waveguide Loading Multiple Complementary Open Resonant Rings (CSRRs) for Dielectric Constant Measurement.Sensors (Basel, Switzerland) · 2020Article
- CSRR-Based Microwave Sensor for Dielectric Materials Characterization Applied to Soil Water Content Determination.Sensors (Basel, Switzerland) · 2020Article
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5 authors.
Funding
Abstract
A microstrip defect ground structure (DGS) based on a pair of dumbbell-shaped slots is used for sensing. The device is a differential sensor consisting of a pair of mirrored lines loaded with a dumbbell-shaped DGS, and the output variable is the cross-mode transmission coefficient. Such a variable is very sensitive to asymmetries in the line pair, e.g., caused by an asymmetric dielectric load in the dumbbell-shaped DGSs. Therefore, the sensor is of special interest for the dielectric characterization of solids and liquids, or for the measurement of variables related to complex permittivity changes. It is shown in this work that by adding fluidic channels on top of the dumbbell-shaped DGSs, the device is useful for liquid characterization, particularly for the measurement of solute concentration in very diluted solutions. A sensitivity analysis useful for sensor design is carried out in this paper.
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