Flexible wireless pH sensor system for fish monitoring
It is necessary and important to develop a simple, accurate, stable, and low-cost quality detection sensor for ensuring the quality of the fish. This paper aims to develop a flexible wireless pH sensor system to detect the freshness of fish. The pH sensor system consists of an indium tin oxide (ITO)...
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| Autores principales: | , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Elsevier
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/8f96fe4bbcf94d5a8724cb03bb345260 |
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| Sumario: | It is necessary and important to develop a simple, accurate, stable, and low-cost quality detection sensor for ensuring the quality of the fish. This paper aims to develop a flexible wireless pH sensor system to detect the freshness of fish. The pH sensor system consists of an indium tin oxide (ITO) electrode, an Ag/AgCl reference electrode, a computing adder, and a wireless communication module. The operational amplifier addition circuit raises the overall potential signal collected by the pH electrode and sends it to the wireless reader from the sensor tag. The sensitivity of the pH electrode is −50.974 mV/pH, and other properties of the electrode, such as reproducibility and response times, are excellent. This paper uses a flexible wireless pH sensor system to continuously monitor fish meat stored at 28 °C for 36 h. The experimental results show that the pH of the fish tissue solution changes with the quality of the fish, and the flexible wireless pH sensor system can achieve accuracy, convenience, and long-term wireless food quality inspection. |
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