JILA researchers have upgraded a breathalyzer based on Nobel Prize-winning frequency-comb technology and combined it with machine learning to detect SARS-CoV-2 infection with excellent accuracy in 170 volunteer subjects. ...
Analytical Chemistry
Apr 6, 2023
0
133
According to experts, bringing an end to the pandemic will require rapid screening of people attending large gatherings, such as conferences and weddings. Even those who are asymptomatic can still transmit COVID-19 to others, ...
Bio & Medicine
Feb 2, 2022
1
68
UCLA chemists have reported the key chemical discovery necessary for the creation of a small, electronic marijuana breathalyzer. The research is published in Organic Letters, a peer-reviewed journal of the American Chemical ...
Analytical Chemistry
May 5, 2020
6
2445
As recreational marijuana legalization becomes more widespread throughout the U.S., so has concern about what that means for enforcing DUI laws. Unlike a breathalyzer used to detect alcohol, police do not have a device that ...
Analytical Chemistry
Aug 27, 2019
22
5416
Cattle burps are the No. 2 source of methane in the U.S., but it's tricky to measure exactly how much methane one cow produces in a day. That's why researchers at the USDA-ARS Conservation and Production Research Laboratory ...
Environment
Jan 10, 2019
0
11
A University of North Texas professor and one of his graduate students have spent the last nine years making meth, fentanyl and PCP in a lab.
Analytical Chemistry
Aug 13, 2018
0
3
(Phys.org)—California based Hound Labs Inc. is claiming to have made a breakthrough in the rush to develop a portable device capable of detecting THC, the active ingredient in marijuana, in the breath of someone that has ...
(Phys.org) —NTT Docomo, Japan's largest mobile-phone provider has developed a new smart phone peripheral that lets a person know if they are burning fat by analyzing their breath. To emphasize that the device is not a gimmick, ...
(Phys.org) -- This invention could give new meaning to the term "bad breath!" It's the Single Breath Disease Diagnostics Breathalyzer, and when you blow into it, you get tested for a biomarker—a sign of disease. As amazing ...
Analytical Chemistry
May 8, 2012
1
0
Drivers caught from December with a blood alcohol content of more than 1.3 grammes per litre will be forced to have breathalyser immobilisers in their cars, the Dutch Infrastructure Ministry said Wednesday.
Other
Oct 5, 2011
0
0
A breathalyzer (U.S.A.) or breathalyser (U.K.) (a portmanteau of breath and analyzer/analyser) is a device for estimating blood alcohol content (BAC) from a breath sample. Breathalyzer is the brand name of a series of models made by one manufacturer of these instruments (originally Smith and Wesson, later sold to National Draeger), but has become a genericized trademark for all such instruments.[citation needed] In Canada, a preliminary non-evidentiary screening device can be approved by Parliament as an approved screening device, and an evidentiary breath instrument can be similarly designated as an approved instrument. The U.S. National Highway Traffic Safety Administration maintains a Conforming Products List of breath alcohol devices approved for evidentiary use, as well as for preliminary screening use.
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