In situ food monitoring packaging tray for pathogen detection
The Lab-in-a-Package is a smart, universal packaging platform that detects pathogens like Salmonella in sealed food products. By integrating an inclined tray and reagent-infused membrane, it enables non-destructive, real-time sensing of contaminants via smartphone or handheld scanner. This solution reduces food waste, prevents human exposure, and streamlines safety monitoring for producers and retailers.
Overview
The Lab-in-a-Package system is an innovative food monitoring solution designed to detect pathogenic contamination directly within sealed food packaging. By integrating advanced sensing technology into the packaging tray itself, this platform enables real-time, in situ monitoring of food products such as raw or cooked chicken. This approach eliminates the need to open packages for sampling, thereby reducing the risk of exposure, simplifying complex testing procedures, and minimizing food waste by allowing for precise, lot-specific contamination identification rather than broad, costly recalls.
Technical specifications
The system features a re-engineered, inclined tray design that maximizes fluid localization to a sensing interface embedded in a window at the bottom of the package. A reagent-infused membrane, acting as an antifouling barrier, facilitates the detection process while protecting the food's organoleptic properties—such as flavor, smell, and color. The platform utilizes a synthetic functional nucleic acid probe specific to targeted pathogens like Salmonella. Detection is performed non-destructively; users can scan the underside of the package using a handheld fluorescence scanner or smartphone, providing an immediate, clear indication of contamination. The system is designed to be universal and adaptable, allowing for the integration of various sensors to detect other common foodborne pathogens, including E. coli and Listeria, with minimal modification.
Technology readiness level
The technology is currently at a prototype stage (TRL 4-5). Researchers have successfully validated the platform using laboratory and simulated real-world scenarios, including the detection of Salmonella in whole chicken samples and contaminated ready-to-eat products. The system has demonstrated high sensitivity and specificity in controlled testing environments, and the research team is actively working on adapting the platform for broader applications...
About McMaster University
McMaster University is a comprehensive, research‑intensive public university in Hamilton, Ontario, known for collaborative, problem‑driven scholarship and strong partnerships with healthcare and industry. A research and technology park adjacent to campus co‑locates corporate R&D with faculty labs, while an established engineering co‑op connects companies with talent and applied expertise. Deep integration with regional hospital systems enables clinical trials, real‑world evidence generation, and translational studies at scale. Research is supported by competitive funding from NSERC, CIHR, SSHRC, and the Canada Foundation for Innovation. A dedicated technology transfer office streamlines IP strategy, contracting, and commercialization for industry partners.
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