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  • Title: Clinical correlation between the consumption of nicotine and cotinine concentrations in urine and serum by competitive enzyme-linked immunosorbent assay.
    Author: Ziegler UE, Kauczok J, Dietz UA, Reith HB, Schmidt K.
    Journal: Pharmacology; 2004 Dec; 72(4):254-9. PubMed ID: 15539886.
    Abstract:
    Different negative effects of smoking are known (e.g. postoperative complications), which lead, especially in plastic surgery, to unsatisfactory results. The aim of this study was to examine the appropriateness of a cotinine enzyme-linked immunosorbent assay (ELISA) for routine usage in operative disciplines. By correlation of smoking habits and concentration of cotinine in serum and urine, we tried to ascertain reference values for smokers, passive smokers and non-smokers. The reliability and sensitivity of the cotinine ELISA concerning nicotine exposure need to be proven. 165 (108 men, 57 women) test persons were examined by detecting cotinine in serum and urine by ELISA. The study shows a very good sensitivity, precision and reproducibility of the cotinine ELISA according to the laboratory criteria. The test shows significance of a good differentiation between smokers, passive smokers and non-smokers in urine. In serum, cotinines are excellent to differentiate between smokers and non-smokers/passive smokers. Urine and serum tests demonstrate valid and comparable results.
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