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Led by Professor Hiroshi Shiigi of the Graduate School of Engineering, the team experimented with a biosensor that can simultaneously detect multiple disease-causing bacterial species within an hour.

His team synthesized organic metallic nanohybrids of gold and copper that do not interfere with each other, so that electrochemical signals can be distinguished on the same screen-printed electrode chip of the biosensor.

When the biosensor, a specially created protein, comes into contact with the chemical researchers wanted to create, it glows green.

"The biosensor allows us to test and analyze samples in seconds when it used to take something like five minutes each," said Simon d'Oelsnitz, a postdoctoral researcher formerly at UT Austin and now at Harvard University, the first author of the paper.

The scientists also created a fluorescent biosensor to quickly detect and analyze which bacteria were producing the desired chemicals and how much.