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Clinical

Instant marijuana use detector using saliva samples in the works

Staff Writer
Staff Writer 1 year ago
Updated 2021/10/23 at 1:20 AM
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The Breathalyzer revolutionized the detection of alcohol use. Now, the gold standard for detecting marijuana use may have inched closer.

According to a newly published study in Science Translational Medicine, researchers associated with Massachusetts General Hospital developed a test for detecting tetrahydrocannabinol (THC) within saliva samples following marijuana consumption.

The research’s initial experimentation involving 43 marijuana users and 43 drug-free users led to relatively accurate readings of THC in saliva samples from all drug users, according to the findings.

From the study: “To enable on-site THC quantification in minutes, we developed a rapid assay for oral THC analysis called EPOCH (express probe for on-site cannabis inhalation).”


“EPOCH features distinctive sensor design such as a radial membrane and transmission optics, all contained in a compact cartridge.”

“Longitudinal monitoring showed a fast drop in THC concentrations within the first 6 hours of cannabis smoking (half-life, 1.4 hours),” researchers claimed in their findings.

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TAGGED: THC, cannabis, drugs, marijuana
Staff Writer October 22, 2021
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