Replies to post #8297 on Cannabix Technologies Inc (BLOZF)

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University of California at Berkeley chemistry professor Matt Francis says THC is found in very small concentrations on the breath of marijuana users. In order to be able to measure THC in breath, he says, it was necessary to amplify its signal by attaching a tag molecule.

“THC is one million times more dilute than alcohol that you would detect in a regular breathalyzer,” he says. “Most chemical reactions don’t take place well at those very low concentrations.”

The chemical reaction that his team puzzled out is being kept quiet for now, Francis says, and it’s unclear if the technology works on people who eat marijuana or consume it in other ways. It does appear to work well on people who smoked marijuana within two hours, he says.