Fluorescence Immunoassay Cotinine COT Rapid Test Cassette Blood Testing Equipment for Urine Serum Sample

Fluorescence Immunoassay Cotinine COT Rapid Test Cassette Blood Testing Equipment for Urine Serum Sample

Release date： 2026-02-05 09:37:45 Readings： 2 Author： admin

The Cotinine (COT) Rapid Test Kit (Immunochromatography) is a rapid chromatographic immunoassay for the semi-quantitative detection of cotinine (COT) in human serum, plasma, or whole blood. This test provides preliminary diagnostic results and is intended for screening for nicotine use and exposure.

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Cotinine (COT) is the primary metabolite of nicotine in the human body, typically entering the bloodstream through smoking, using tobacco products, or exposure to secondhand smoke. During nicotine metabolism, cotinine exhibits a relatively long half-life and remains stable in bodily fluids, making it widely used as a biomarker for assessing nicotine exposure and tobacco use. Medically, measuring cotinine levels in serum, urine, or saliva objectively reflects recent tobacco use or nicotine exposure. This indicator is considered the most reliable basis for identifying smoking behavior, evaluating smoking cessation outcomes, and monitoring passive smoking exposure. Tobacco use and related health issues have become one of the major global public health challenges.

Nicotine and its metabolites act on the central nervous system, leading to addiction with prolonged use and triggering multisystem health risks: chronic obstructive pulmonary disease, cardiovascular disease, various cancers (such as lung and oral cancers), pregnancy complications, compromised immunity, and increased overall mortality. Consequently, cotinine level testing is now widely incorporated as an essential screening component in health checkups, health insurance assessments, and smoking cessation interventions.

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Fluorescence Immunoassay Cotinine COT Rapid Test Cassette Blood Testing Equipment for Urine Serum Sample

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