Miniaturized wireless sensor enables real-time monitoring of food spoilage

Istif E., Mirzajani H., Dağ Ç., Mirlou F., Ozuaciksoz E. Y., Cakır C., ...More

Nature Food, vol.4, no.5, pp.427-436, 2023 (Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 4 Issue: 5
  • Publication Date: 2023
  • Doi Number: 10.1038/s43016-023-00750-9
  • Journal Name: Nature Food
  • Journal Indexes: Scopus
  • Page Numbers: pp.427-436
  • Istanbul Technical University Affiliated: Yes


Food spoilage results in food waste and food-borne diseases. Yet, standard laboratory tests to determine spoilage (mainly volatile biogenic amines) are not performed regularly by supply chain personnel or end customers. Here we developed a poly(styrene-co-maleic anhydride)-based, miniature (2 × 2 cm2) sensor for on-demand spoilage analysis via mobile phones. To demonstrate a real-life application, the wireless sensor was embedded into packaged chicken and beef; consecutive readings from meat samples using the sensor under various storage conditions enabled the monitoring of spoilage. While samples stored at room temperature showed an almost 700% change in sensor response on the third day, those stored in the freezer resulted in an insignificant change in sensor output. The proposed low-cost, miniature wireless sensor nodes can be integrated into packaged foods, helping consumers and suppliers detect spoilage of protein-rich foods on demand, and ultimately preventing food waste and food-borne diseases.