Scientists have reported a graphene sensor they say costs a buck and can detect dangerous bacteria and heavy metals in drinking water. The sensor uses a GFET — a graphene-based field effect ...

"Passing a laser beam over the ink transforms it into a form of porous and conductive carbon called 'laser-induced graphene' (LIG ... realization of circuits and sensors on any surface," says ...

The researchers produced graphene sheets and applied a plasma treatment to them under argon (Ar), hydrogen (H 2), or oxygen ...

A breakthrough biosensor detects glucose in human tears at ultra-low concentrations, opening new avenues for wearable health ...