Battery-Free and Noninvasive Estimation of Food pH and CO<sub>2</sub> Concentration for Food Monitoring Based on Pressure Measurement

Battery-Free and Noninvasive Estimation of Food pH and CO<sub>2</sub> Concentration for Food Monitoring Based on Pressure Measurement

In this paper, we developed a battery-free system that can be used to estimate food pH level and carbon dioxide (CO<sub>2</sub>) concentration in a food package from headspace pressure measurement. While being stored, food quality degrades gradually as a function of time and storage cond...

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Bibliographic Details
Main Authors: Thanh-Binh Nguyen, Trung-Hau Nguyen, Wan-Young Chung
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Sensors
Subjects:
near-field communication
battery-free food monitoring
energy harvesting
smart sensor tag
food pH extraction
Online Access:https://www.mdpi.com/1424-8220/20/20/5853

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