ArticleSensors (Basel, Switzerland)2022
An Improved Split-Ring Resonator-Based Sensor for Microfluidic Applications.
Article in Sensors (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed.
- Microwave Sensors for Dielectric Characterization: Planar Architectures, Extraction Methods, and Emerging Applications.Sensors (Basel, Switzerland) · 2026Review
- Beyond the 2D Plane: Interfacing Microwave Resonators with Bioreceptor-Functionalized Hydrogel Micropillars for Label-Free Enhanced Sensitivity Biosensing.ACS applied materials & interfaces · 2026Article
- Planar Microwave Sensing Technology for Soil Monitoring.Sensors (Basel, Switzerland) · 2026Review
- Microwave Sensors and Their Applications in Permittivity Measurement.Sensors (Basel, Switzerland) · 2024Review
- Ultrasensitive miniaturized planar microwave sensor for characterization of water-alcohol mixtures.Scientific reports · 2023Article
- Fabrication of mm-Scale Complementary Split Ring Resonators, for Potential Application as Water Pollution Sensors.Materials (Basel, Switzerland) · 2023Article
- Relative Permittivity Measurement of Microliter Volume Liquid Samples through Microwave Filters.Sensors (Basel, Switzerland) · 2023Article
- Split-Ring Resonator Based Sensor for the Detection of Amino Acids in Liquids.Sensors (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
This study proposes an ultrahigh-sensitivity split-ring resonator-based microwave sensor for retrieving the complex permittivity of liquid samples. An interdigital capacitor structure was used to expand the sensing area and the sensitivity. A defected ground structure and A parallel dual split-ring resonator were introduced to improve the quality factor. A polydimethylsiloxane microfluidic channel substrate was placed above the interdigital capacitor structure. The channel route coincided with the interdigital gap to fully utilize the strong electric field. Ethanol-water solutions with varying ethanol fractions were injected into the channel as the testing liquid. It was demonstrated that the variation in resonant frequency can be used to retrieve the dielectric properties of liquid samples. The proposed sensor used a small liquid volume of ~0.68 μL and provided values in good agreement with the reference data.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.