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30 September 2024 Solution processed organic transistor chip for multiplexed selective ion sensing
Soniya D. Yambem
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Proceedings Volume 13124, Organic and Hybrid Sensors and Bioelectronics XVII; 131240C (2024) https://doi.org/10.1117/12.3027974
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States
Abstract
This work introduces a simple solution processed solid-state organic transistor sensor chip for multiplexed and selective ion sensing. The multi-ion sensing chip is capable of selectively detecting potassium (K+), sodium (Na+) and calcium (Ca2+) ions at physiologically relevant concentrations.The sensors are responsive to 4-5 decades of each primary ion. When a response from interfering ions is seen at higher concentrations, the sensors can uniquely discriminate between primary and interfering ions by a difference in the polarity of the current modulation.
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Soniya D. Yambem "Solution processed organic transistor chip for multiplexed selective ion sensing", Proc. SPIE 13124, Organic and Hybrid Sensors and Bioelectronics XVII, 131240C (30 September 2024); https://doi.org/10.1117/12.3027974
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KEYWORDS
Ions
Sensors
Transistors
Multiplexing
Fabrication
Liquids
Potassium
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