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- Title
Silver Nanoparticle Sensor Array-Based Meat Freshness Inspection System.
- Authors
Yu, Jiahang; Huang, Mingyuan; Tian, Huixin; Xu, Xinglian
- Abstract
The series of biochemical reactions, metabolic pathways, and regulatory interactions that occur during the storage of meat are the main causes of meat loss and waste. The volatile compounds produced by these reactions, such as hydrogen sulfide, acids, and amines, can directly indicate changes in the freshness of meat during storage and sales. In this study, a one-pot hydrothermal method based on a surface control strategy was used to develop nanoparticles of silver with different reactivities, which were further immobilized in agar powder to develop a colorimetric sensor array. Due to the different chemical interactions with various volatile compounds, the colorimetric sensor array exhibited distinct color changes. The study demonstrates significant differences between 12 different volatile compounds and provides a quantitative and visual method to reveal rich detection indicators. The colorimetric sensor array is an economical and practical multi-analyte identification method. It has many potential applications such as food packaging, anti-counterfeiting, health monitoring, environmental monitoring, and optical filters.
- Subjects
MEAT inspection; NANOPARTICLES; SENSOR arrays; SURFACE plasmon resonance; MEAT storage; FOOD packaging; SILVER nanoparticles
- Publication
Foods, 2023, Vol 12, Issue 20, p3814
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods12203814