Cannabis screening in minutes 3

Cannabis screening in minutes 3

Owl Cannabis - Scouting in 3 minutes

New detection system will enable police to identify motorists driving under the influence of marijuana; using a simple saliva test which will take only 3 minutes.

Unlike alcohol, and its concentration in the blood, the active components of cannabis cannot be identified with the standard tests that we know of. To legally validate driving under the influence of cannabis, the police must summon the suspect to the laboratory to submit him to a blood or urine test, a long and restrictive process ...

Urinalysis - an aging and ineffective tool

Various companies have tried their hand at developing less restrictive devices and methods, without success ...

Molecular precision

Wang Group from Stanford University in California is currently developing an innovative test that will now allow, via a saliva sample, the examination of the concentration of THC in it - in less than 3 minutes, on the side of the road ...

This innovative technology will not only verify if the driver is under a so-called cannabis influence ... but also accurately quantify the volume of marijuana consumed. The test is based on nanoparticles, designed to "coat" particles with THC, a system similar to "key" recognition. These particles form a measurable electromagnetic field and have a recognized natural shape. In the absence of THC, the saliva sample will turn out to be "clean".

Nanoparticles attach to THC molecules, which gradually reduces the electrical current emitted by them

If there is a presence of THC in the saliva sample; the active particles are connected to a strong molecular connection (covalent), their electromagnetic field will be weakened making the targeting effective. A higher level of THC more or less deactivates the electromagnetic field, so the higher percentage of THC will transmit a weaker signal for targeting.

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Threshold & Tolerance

It will all depend on the tolerated “minimum limit” of THC; currently an average of under 260 micrograms are tolerated in most countries, but cannabis remains for a very long time in the blood, the residues are inactive and may incriminate the driver for no reason.


This is also a major problem for patients treated with medical cannabis; most of the time they are not allowed to drive a vehicle. Advocating freedom of movement, patients are automatically defined as delinquents and against their will ... Even in light of the problems of reliability of blood and urine tests, most patients avoid increasing the doses of marijuana in order not to be assimilated to criminal activity ...

Police test-thc1-600x330

However, it should be noted that like alcohol, cannabis can be detected with "tolerance" ... But people tested with a high THC level will not always be negatively affected by the control, while others will ... Driving under the influence of cannabis has proven in recent years that marijuana does not interfere with driving, unlike alcohol. Such a device, even if precise, will cause harm to many motorists ...

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The developers of this technology explain that the product is still in the testing phase and that it is not yet ready for use in the field. It is likely that the media buzz and massive funding will make this device available soon ...

Tags : ScreeningProhibition

The author Weed-master

Weed media broadcaster and communications manager specializing in legal cannabis. Do you know what they say? knowledge is power. Understand the science behind cannabis medicine, while staying up to date with the latest health related research, treatments and products. Stay up to date with the latest news and ideas on legalization, laws, political movements. Discover tips, tricks and how-to guides from the most seasoned growers on the planet as well as the latest research and findings from the scientific community on the medical qualities of cannabis.