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Method and apparatus for determining carbon dioxide with different isotopes in exhaled breath 发明申请

2023-07-21 3530 962K 0

专利信息

申请日期 2025-07-09 申请号 GB0620734
公开(公告)号 GB2442980A 公开(公告)日 2008-04-23
公开国别 GB 申请人省市代码 全国
申请人 AUTOLIV DEV
简介 A breath test to determine the blood concentration of a drug, pharmaceutical or narcotic etc. in a human or animal comprises analysing exhaled breath with respect to carbon dioxide (CO2) with different isotopes, wherein the drug has been labelled with at least one rare isotope of carbon or oxygen. The presence of the drug in the bloodstream of a subject is preferably detected by infrared spectroscopy of a sample of the expired breath of a subject. Also shown is the apparatus for performing the breath test analysis and an application of the apparatus which is incorporated in a vehicle as a safety feature to prevent ignition if the blood concentration of the drug is not as expected.


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