New Method Developed for Detecting Disease-Causing Bacteria

 New Method Developed for Detecting Disease-Causing Bacteria

A new test has been developed that can detect the presence of bacteria in any liquid by observing color changes. This innovative test simplifies the confirmation of disease-causing pathogens, aids in disease diagnosis, and enhances food safety measures.





Scientists at McMaster University, combining expertise from engineers and biochemists, have introduced a method using a bio-gel to confirm bacterial contamination in liquids. The test detects bacteria like E. coli or Listeria by changing the color of the liquid upon their presence.

The bio-gel in the test utilizes harmless bacteriophages that can identify bacteria in various liquids, such as pond water, milk cartons, or even urine, even in minimal quantities.



Bacteriophages are the most abundant life form on Earth, with each type targeting and eliminating a specific kind of bacteria.

This method significantly reduces detection time, taking only a few hours compared to traditional lab tests, which typically require two days for results.

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