Microfluidic Microwave Sensor for Detecting Saline in Biological Range [Elektronisk resurs]
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Kilpijärvi, Joni (författare)
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Halonen, Niina (författare)
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Juuti, Jari (författare)
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Hannu, Jari (författare)
- Publicerad: MDPI, 2019
- Engelska.
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Ingår i: Sensors. ; 19:4
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- Relaterad länk:
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http://www.liu.se (Värdpublikation)
Sammanfattning
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- A device for measuring biological small volume liquid samples in real time is appealing. One way to achieve this is by using a microwave sensor based on reflection measurement. A prototype sensor was manufactured from low cost printed circuit board (PCB) combined with a microfluidic channel made of polymethylsiloxane (PDMS). Such a sensor was simulated, manufactured, and tested including a vacuum powered sample delivery system with robust fluidic ports. The sensor had a broad frequency band from 150 kHz to 6 GHz with three resonance frequencies applied in sensing. As a proof of concept, the sensor was able to detect a NaCl content of 125 to 155 mmol in water, which is the typical concentration in healthy human blood plasma.
Ämnesord
- Engineering and Technology (hsv)
- Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv)
- Teknik och teknologier (hsv)
- Elektroteknik och elektronik (hsv)
- Annan elektroteknik och elektronik (hsv)
Genre
- government publication (marcgt)
Indexterm och SAB-rubrik
- Lab-on-a-chip
- RF sensor
- Microfluidic sensing
- IDE
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Sensors