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Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor
The realization of an unobtrusive and effective technology able to track fish freshness in real time and inform on its edibility is highly demanded, but still unachieved. In the present paper, we address this issue through a single metal oxide gas sensor working in temperature modulation mode. The s...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9371398/ https://www.ncbi.nlm.nih.gov/pubmed/35957445 http://dx.doi.org/10.3390/s22155888 |
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author | Zambotti, Giulia Capuano, Rosamaria Pasqualetti, Valentina Soprani, Matteo Gobbi, Emanuela Di Natale, Corrado Ponzoni, Andrea |
author_facet | Zambotti, Giulia Capuano, Rosamaria Pasqualetti, Valentina Soprani, Matteo Gobbi, Emanuela Di Natale, Corrado Ponzoni, Andrea |
author_sort | Zambotti, Giulia |
collection | PubMed |
description | The realization of an unobtrusive and effective technology able to track fish freshness in real time and inform on its edibility is highly demanded, but still unachieved. In the present paper, we address this issue through a single metal oxide gas sensor working in temperature modulation mode. The system can work without an external reference air source, which is an appealing feature for its possible integration in domestic refrigerators. Tests were carried out using fresh sea bream fillets as case study and working both inside the refrigerator and at room temperature. Parallel gas chromatography–mass spectrometry and microbiological characterization indicated the marked dependence of both the microbiological condition and the gas-phase composition from the individual sample and from the storage temperature. Despite such a large variability, which may be expected in real applications, the proposed system provided similar responses whenever the total bacterial population approached and exceeded the edibility threshold of 10(7) CFU/g. |
format | Online Article Text |
id | pubmed-9371398 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-93713982022-08-12 Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor Zambotti, Giulia Capuano, Rosamaria Pasqualetti, Valentina Soprani, Matteo Gobbi, Emanuela Di Natale, Corrado Ponzoni, Andrea Sensors (Basel) Article The realization of an unobtrusive and effective technology able to track fish freshness in real time and inform on its edibility is highly demanded, but still unachieved. In the present paper, we address this issue through a single metal oxide gas sensor working in temperature modulation mode. The system can work without an external reference air source, which is an appealing feature for its possible integration in domestic refrigerators. Tests were carried out using fresh sea bream fillets as case study and working both inside the refrigerator and at room temperature. Parallel gas chromatography–mass spectrometry and microbiological characterization indicated the marked dependence of both the microbiological condition and the gas-phase composition from the individual sample and from the storage temperature. Despite such a large variability, which may be expected in real applications, the proposed system provided similar responses whenever the total bacterial population approached and exceeded the edibility threshold of 10(7) CFU/g. MDPI 2022-08-06 /pmc/articles/PMC9371398/ /pubmed/35957445 http://dx.doi.org/10.3390/s22155888 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Zambotti, Giulia Capuano, Rosamaria Pasqualetti, Valentina Soprani, Matteo Gobbi, Emanuela Di Natale, Corrado Ponzoni, Andrea Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor |
title | Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor |
title_full | Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor |
title_fullStr | Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor |
title_full_unstemmed | Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor |
title_short | Monitoring Fish Freshness in Real Time under Realistic Conditions through a Single Metal Oxide Gas Sensor |
title_sort | monitoring fish freshness in real time under realistic conditions through a single metal oxide gas sensor |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9371398/ https://www.ncbi.nlm.nih.gov/pubmed/35957445 http://dx.doi.org/10.3390/s22155888 |
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