A Wireless, Passive Sensor for Quantifying Packaged Food Quality
This paper describes the fabrication of a wireless, passive sensor based on aninductive-capacitive resonant circuit, and its application for in situ monitoring of thequality of dry, packaged food such as cereals, and fried and baked snacks. The sensor ismade of a planar inductor and capacitor printe...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2007-09-01
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| Series: | Sensors |
| Subjects: | |
| Online Access: | http://www.mdpi.com/1424-8220/7/9/1747/ |
| _version_ | 1811187760766124032 |
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| author | Keat Ghee Ong Brandon D. Pereles Ranyuan Shao Wen Ni Ng Ee Lim Tan |
| author_facet | Keat Ghee Ong Brandon D. Pereles Ranyuan Shao Wen Ni Ng Ee Lim Tan |
| author_sort | Keat Ghee Ong |
| collection | DOAJ |
| description | This paper describes the fabrication of a wireless, passive sensor based on aninductive-capacitive resonant circuit, and its application for in situ monitoring of thequality of dry, packaged food such as cereals, and fried and baked snacks. The sensor ismade of a planar inductor and capacitor printed on a paper substrate. To monitor foodquality, the sensor is embedded inside the food package by adhering it to the package’sinner wall; its response is remotely detected through a coil connected to a sensor reader. Asfood quality degrades due to increasing humidity inside the package, the paper substrateabsorbs water vapor, changing the capacitor’s capacitance and the sensor’s resonantfrequency. Therefore, the taste quality of the packaged food can be indirectly determined bymeasuring the change in the sensor’s resonant frequency. The novelty of this sensortechnology is its wireless and passive nature, which allows in situ determination of foodquality. In addition, the simple fabrication process and inexpensive sensor material ensure alow sensor cost, thus making this technology economically viable. |
| first_indexed | 2024-04-11T14:08:58Z |
| format | Article |
| id | doaj.art-2b3bc2b7bb1f412f8c8b77b9a341af3d |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T14:08:58Z |
| publishDate | 2007-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-2b3bc2b7bb1f412f8c8b77b9a341af3d2022-12-22T04:19:47ZengMDPI AGSensors1424-82202007-09-01791747175610.3390/s7091747A Wireless, Passive Sensor for Quantifying Packaged Food QualityKeat Ghee OngBrandon D. PerelesRanyuan ShaoWen Ni NgEe Lim TanThis paper describes the fabrication of a wireless, passive sensor based on aninductive-capacitive resonant circuit, and its application for in situ monitoring of thequality of dry, packaged food such as cereals, and fried and baked snacks. The sensor ismade of a planar inductor and capacitor printed on a paper substrate. To monitor foodquality, the sensor is embedded inside the food package by adhering it to the package’sinner wall; its response is remotely detected through a coil connected to a sensor reader. Asfood quality degrades due to increasing humidity inside the package, the paper substrateabsorbs water vapor, changing the capacitor’s capacitance and the sensor’s resonantfrequency. Therefore, the taste quality of the packaged food can be indirectly determined bymeasuring the change in the sensor’s resonant frequency. The novelty of this sensortechnology is its wireless and passive nature, which allows in situ determination of foodquality. In addition, the simple fabrication process and inexpensive sensor material ensure alow sensor cost, thus making this technology economically viable.http://www.mdpi.com/1424-8220/7/9/1747/Resonant circuit sensorfood quality monitoringwirelesspassive. |
| spellingShingle | Keat Ghee Ong Brandon D. Pereles Ranyuan Shao Wen Ni Ng Ee Lim Tan A Wireless, Passive Sensor for Quantifying Packaged Food Quality Sensors Resonant circuit sensor food quality monitoring wireless passive. |
| title | A Wireless, Passive Sensor for Quantifying Packaged Food Quality |
| title_full | A Wireless, Passive Sensor for Quantifying Packaged Food Quality |
| title_fullStr | A Wireless, Passive Sensor for Quantifying Packaged Food Quality |
| title_full_unstemmed | A Wireless, Passive Sensor for Quantifying Packaged Food Quality |
| title_short | A Wireless, Passive Sensor for Quantifying Packaged Food Quality |
| title_sort | wireless passive sensor for quantifying packaged food quality |
| topic | Resonant circuit sensor food quality monitoring wireless passive. |
| url | http://www.mdpi.com/1424-8220/7/9/1747/ |
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