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Osaka, Japan – In the ongoing battle against foodborne illnesses, a groundbreaking innovation has emerged from the labs of Osaka Metropolitan University, promising swift detection of harmful bacteria like E. coli and salmonella right at the source. Led by Professor Hiroshi Shiigi of the Graduate School of Engineering, a research team has developed a handheld device capable of on-site detection, revolutionizing the traditional method of food safety monitoring.
Conventionally, food samples are taken to laboratories, where they undergo testing over several days to identify the type and quantity of bacteria present. However, with the newly developed device, this process is streamlined, providing results within an hour and enabling quick action to prevent potential outbreaks of foodborne illness.
“The palm-sized device for detection can be linked to a smartphone app to easily check bacterial contamination levels,” explained Professor Shiigi, highlighting the user-friendly interface of the innovative technology.
At the heart of the device lies a biosensor equipped with organic metallic nanohybrids of gold and copper, meticulously synthesized by the research team. These nanohybrids, comprising conductive polymers and metal nanoparticles, facilitate the simultaneous detection of multiple disease-causing bacterial species. By introducing specific antibodies for target bacteria into these nanohybrids, the biosensor achieves precise and efficient electrochemical labeling, allowing for rapid and accurate detection.
“Our technique enables rapid determination of the presence or absence of harmful bacteria prior to shipment of food and pharmaceutical products, thereby helping to quickly ensure safety at the manufacturing site,” Professor Shiigi emphasized, underlining the potential impact of the technology on food safety protocols.
The success of the initial experiments has paved the way for further advancements, with the team aiming to expand the capabilities of the device to simultaneously detect even more bacterial species. This ongoing research holds promise for enhancing food safety measures and safeguarding public health against the threats posed by foodborne pathogens.
As the world grapples with the ongoing challenges of food safety and public health, the development of such innovative solutions underscores the importance of technological advancements in combating infectious diseases and ensuring the well-being of communities worldwide.
