Carbon Dioxide (CO2) Sensors for the Agri-food Industry—A Review
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- Neethirajan, S., Jayas, D.S. & Sadistap, S. Food Bioprocess Technol (2009) 2: 115. doi:10.1007/s11947-008-0154-y
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In the food and agricultural industry, sensors are being used for process control, monitoring quality, and assessing safety. There is a growing demand for carbon dioxide (CO2) sensors in the bulk food storage sector, because CO2 sensors can be used to detect incipient spoilage and to assess CO2 levels in modified-atmosphere packages and storage structures. The market potential for reliable and inexpensive CO2 sensors is huge because of a wide range of applications in the agri-food industry. This review synthesizes information about the types of CO2 sensors, analyzes their detection processes, provides a broad overview of the innovative research on the development of sensors, sensing mechanisms, and their characteristics, and outlines future possibilities for use of CO2 sensors.