Potentiometric Sensor System with Self-Calibration for Long-Term, In Situ Measurements
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials and Reagents
2.2. Sensor System
2.3. Sensor Fabrication
2.4. Microchannel Fabrication
2.5. Sensor Characterization
2.6. Plant Sap Test
3. Results and Discussion
3.1. System Design
3.2. Sensor Fabrication and Microfluidic Enclosure
3.3. Sensor Performance
3.4. Self-Calibration and Plant Sap Test
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | K + _Our Sensor (mM) | K + _Commercial (mM) | NO3−_Our Sensor (mM) | NO3−_Commercial (mM) |
---|---|---|---|---|
1 | 9.59 ± 0.48 (n = 16) | 10.98 ± 0.15 (n = 3) | 1.63 ± 0.57 (n = 16) | 0.62 ± 0.19 (n = 3) |
2 | 14.37 ± 0.98 (n = 16) | 14.94 ± 0.34 (n = 3) | 4.76 ± 0.56 (n = 16) | 3.01 ± 0.2 (n = 3) |
3 | 17.46 ± 1.5 (n = 4) | 14.17 ± 1.59 (n = 4) | 1.9 ± 0.52 (n = 4) | 0.63 ± 0.23 (n = 4) |
4 | 24.02 ± 1.52 (n = 8) | 20.64 ± 0.92 (n = 8) | 15.59 ± 1.05 (n = 12) | 14.07 ± 1.03 (n = 8) |
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Zhang, Z.; Boselli, E.; Papautsky, I. Potentiometric Sensor System with Self-Calibration for Long-Term, In Situ Measurements. Chemosensors 2023, 11, 48. https://doi.org/10.3390/chemosensors11010048
Zhang Z, Boselli E, Papautsky I. Potentiometric Sensor System with Self-Calibration for Long-Term, In Situ Measurements. Chemosensors. 2023; 11(1):48. https://doi.org/10.3390/chemosensors11010048
Chicago/Turabian StyleZhang, Zhehao, Elena Boselli, and Ian Papautsky. 2023. "Potentiometric Sensor System with Self-Calibration for Long-Term, In Situ Measurements" Chemosensors 11, no. 1: 48. https://doi.org/10.3390/chemosensors11010048