Rapid, reliable on-site drug detection using wearable sensor

Researchers in South Korea have successfully developed a wearable sensor that can detect illegal drugs in sweat by using nanomaterials technology that amplify the optical signal of narcotics to a flexible, body-worn material. ...

Breath study brings roadside drug testing closer

(Phys.org) —A group of researchers from Sweden have provided further evidence that illegal drugs can be detected in the breath, opening up the possibility of a roadside breathalyzer test to detect substances such as cocaine, ...

Infrared detector unmasks cocaine addicts

A research group at ETH Zurich is currently developing an infrared measuring technique to enable the detection of cocaine and its metabolites in saliva. The initial steps towards a portable measuring device have been successful.