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Section 1: Publication
Publication Type
Journal Article
Authorship
Shafiei, M., Abbasi, Z., Ren, C. L.
Title
Passive Disposable Microwave Sensor for Online Microplastic Contamination Monitoring
Year
2022
Publication Outlet
IEEE/MTT-S International Microwave Symposium-IMS 2022
DOI
ISBN
ISSN
Citation
Shafiei, M., Abbasi, Z., Ren, C. L. (2022) Passive Disposable Microwave Sensor for Online Microplastic Contamination Monitoring. IEEE/MTT-S International Microwave Symposium-IMS 2022.
https://doi.org/10.1109/IMS37962.2022.9865376
Abstract
In this paper, non-contact microplastic concentration monitoring is enabled using a sensitivity-enhanced planar microwave sensor. The sensing platform is a tag-reader structure that consists of a dual-resonator tag and a passive microwave reader. The dual-tag structure is combined with a silicon reservoir as a sample container and is energized through the electromagnetic (EM) coupling with the reader. The extremely sensitive area of the tag resonators is exposed to the sample under the test; it creates an exceptional microplastic deposition monitoring with the concentration of the microplastic in the liquid under the test as low as 400K particles/L. The sensor monitors the deposition of microplastic particles in the mixed liquid in a real-time manner and reflects it as the frequency resonance variation in the transmission response.
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