Customers can determine their blood-alcohol level by placing a test strip on their tongues for five seconds after not eating, drinking or smoking for 10 minutes. The strip will indicate blood ...

Prison officials had been dipping the test strips into drinks to detect ... or an aqueous solution to determine alcohol concentration, the color development and color matching system is ...

In November, Halámek introduced a prototype for a color-changing test strip that detects blood alcohol content (BAC) based on ethanol levels in sweat. Currently there is a zero-tolerance policy ...

An alcohol urine test involves a lab ... that makes it possible for people to collect and test their own samples. These tests use a simple strip method that is similar to that of a pregnancy ...

In an alcohol breath test like the breathalyzer, there’s a mouthpiece and two chambers filled with liquid that are connected to a meter that looks for any changes in color. You exhale into the ...