Researchers from Tufts University recently developed a graphene-enhanced highly sensitive saliva-based cortisol sensor – eliminating the need for invasive blood tests.
The Point-of-Care (POC) electrochemical biosensor boasts a detection limit of 0.24 fg/mL, making it 100 times more sensitive than existing saliva tests. This innovation relies on the Gii-Sens “electrode” – a sensing strip produced by nanomaterial company, iGii – integrated into the sensor.
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