Ethan Carlson joined Denver7 in November 2020. After more than three years as a photographer, he moved into the role of multimedia journalist.
BOULDER, Colo. — The Boulder laboratory for the National Institute of Standards and Technology is working to determine if it’s possible to make a breathalyzer that detects the tetrahydrocannabinol present in cannabis, instead of detecting the ethanol present in alcohol.“With the alcohol breathalyzer, we're detecting the ethanol molecule,” said Kavita Jeerage, a materials research engineer for
. “It is a simple model. We know a lot about its properties. It's obviously a liquid, but it's also very easily carried in breath as a vapor molecule, a gas molecule.”Detecting THC molecules is far more complicated.“Tetrahydrocannabinol, which is the primary psychoactive molecule in cannabis, is a very large molecule,” said Jeerage. “It's a complicated molecule, and it has not received as much study, and that's partly because it’s a very difficult molecule to study.
have been eyeing a way to analyze a person’s breath and determine levels of THC since Washington and Colorado first legalized marijuana. They foresaw that companies would want to develop breathalyzer-type devices, and realized that companies would need as much information as possible about THC in breath to make sure that those devices worked as intended.“Would Colorado and Washington stay as outliers, or would legalization spread throughout the country?” said Jeerage.
partnered with University of Colorado Boulder and UCHealth Ancshutz to get participants for their studies. does not provide any participants with cannabis. They purchase their own cannabis and then participate in the studies in mobile vans, in CU Boulder’s case, or in special off-campus rooms at UCHealth Anschutz.The goal of these studies is not to create a breathalyzer that detects THC. It’s to provide accurate, public data so that companies can develop their own tools. There are a lot of questions still left to answer.
NIST Boulder Research Can They Tell If I Smoked Weed Cannabis Breathalyzer Cannabis Breathalyzer THC Colorado How Complicated Is THC How To Detect THC What Does NIST Do
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