Foods, Volume 14, Issue 21
2025 November-1 - 220 articles
Cover Story: A novel colorimetric biosensor based on the temperate phage SapYZUs891 and a bimetallic Fe/Mn-MOF nanozyme was developed for the rapid on-site detection of Staphylococcus aureus in food. SapYZUs891 exhibited a high titre, broad host range, and strong pH and thermal stability. The Fe/Mn-MOF nanozyme exhibited an enhanced oxidase-mimicking ability, greater affinity, and a higher reaction rate. The SapYZUs891@Fe/Mn-MOF system achieved ultra-sensitive detection within 19 minutes, with a detection limit as low as 69 CFU/mL and a recovery rate between 92.52% and 121.48%. The advantages of the biosensor resulted from the particular receptor-binding proteins of SapYZUs891 that bind to the teichoic acid wall on the S. aureus. The biosensor thus provides a robust foundation for next-generation rapid and visual food safety detection technologies. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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