The researchers discovered the food poisoning bacteria E using these composites for test labels tied to bacteria. E. coli O26, E. coli O157 and S.aureus under a microscope, appears as white, red, and blue dispersed light, respectively.
Since 2018, outbreaks of food poisoning associated with raw meat have sickened at least 1,200 people and ground meat is especially susceptible to contamination with harmful bacteria.