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  2. Breath gas analysis - Wikipedia

    en.wikipedia.org/wiki/Breath_gas_analysis

    Breath gas analysis is a method for gaining information on the clinical state of an individual by monitoring volatile organic compounds (VOCs) present in the exhaled breath. Exhaled breath is naturally produced by the human body through expiration and therefore can be collected in non-invasively and in an unlimited way. [ 1 ]

  3. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    To get accurate readings on a breath-testing device the individual must blow for approximately 6 seconds and need to contain roughly 1.1 to 1.5 liters of breath. For a breath-test to result accurately and truly an operator must take steps such as avoiding measuring "mouth alcohol" which is a result from regurgitation, belching, or recent intake ...

  4. Breathalyzer - Wikipedia

    en.wikipedia.org/wiki/Breathalyzer

    Higher-end personal breath analyzers and professional-use breath alcohol testers use platinum fuel cell sensors. These too require recalibration but at less frequent intervals than semiconductor devices, usually once a year. [citation needed] There are two ways of calibrating a precision fuel cell breath analyzer, the wet-bath and the dry-gas ...

  5. Scientists say a marijuana breathalyzer is in the works - AOL

    www.aol.com/news/scientists-marijuana...

    A device that can detect THC, the chemical in cannabis responsible for its psychoactive effects could work as a Breathalyzer-type tool to test for marijuana. Scientists say a marijuana ...

  6. Wearable gas analyzer could detect allergens, chemicals, and ...

    www.aol.com/news/wearable-gas-analyzer-could...

    In the 2012 supernatural horror film Hold Your Breath, a group of friends finds themselves at the mercy of a deceased serial killer when one of them unwittingly allows themselves to be possessed.

  7. Breath analysis - Wikipedia

    en.wikipedia.org/wiki/Breath_analysis

    Breath aerosol analysis consists in the sampling and analysis of particles emitted in the respiratory tract and present in exhaled breath. [3] This is a relatively new field that holds great promise for direct diagnostics of pathogens, such as Influenza , and for in-vivo monitoring of the respiratory lining fluid ( Respiratory epithelium ...

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