Nicotine and Cotinine, Urine
Nicotine and Cotinine, Urine - This assay is used for the detection of nicotine and cotinine in urine to determine the tobacco exposure status of the individual. Nicotine has a short half-life of approximately forty minutes; its presence may indicate recent tobacco exposure. Cotinine, the major nicotine metabolite, has a half-life of 24 hours and is detectable for several days after cessation ...
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