OT6.263 - Design and Verification of An Automated Non-contact Di-electric Sensor System
- Event
- EUROSENSORS XXXVI
2024-09-01 - 2024-09-04
Debrecen (Hungary) - Band
- Lectures
- Chapter
- OT6 - Biochemical sensors, Microfluidics, Lab-on-a-Chip and Organ-On-Chip Systems
- Author(s)
- S. H. Huang, X. X. Lin, C. W. Lin, Y. F. Liou - National Taiwan University, Taipei (Taiwan)
- Pages
- 201 - 202
- DOI
- 10.5162/EUROSENSORSXXXVI/OT6.263
- ISBN
- 978-3-910600-03-4
- Price
- free
Abstract
In biosensor research, it’s important for the sensor to be non-invasive, label-free, and enable real-time sensing. Microwave dielectric sensors offer a promising solution. Our study proposed a dielectric sen-sor system integrating sensors and CMOS readout circuits. It measures substance permittivity by ana-lyzing LC oscillator frequency and amplitude via an interdigit electrode antenna. Validation included measuring ethanol and methanol concentrations, showing strong correlation with VNA-measured per-mittivity. Real-time capabilities were verified by injecting air and DI water using a pump.