Tobacco use was determined by cotinine analysis. Cotinine was measured in 0.02 mL of serum using a commercial enzyme-linked immunoassay (ELISA) kit (CO096D; Calbiotech, Spring Valley, CA). Values less than 1.0 ng/mL were defined as nonusers and greater than 10 ng/mL as tobacco users. Values between 1 and 10 ng/mL would meet the criteria for exposure to second-hand tobacco smoke.20 (link) One sample was within this range (1.6 ng/mL) and was grouped with the nonsmokers for subsequent analyses.
Co096d
Manufactured by Calbiotech
Sourced in United States
The CO096D is a versatile laboratory equipment designed for a wide range of applications. It features a compact and durable construction, making it suitable for use in various research and testing environments. The core function of the CO096D is to provide accurate and reliable measurements for laboratory procedures.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using co096d
1
Serum Cotinine Measurement Protocol
2
Comprehensive Biomarker Assessment in Participants
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Blood samples were obtained from all participants while in the recumbent position via antecubital venipuncture at the time of hospital admission. The plasma concentration of high-sensitivity C-reactive protein (hs-CRP), white blood cells (WBC), uric acid, creatinine, alanine aminotransferase (ALT), asparagine transaminase (AST), glycated hemoglobin (HbA1C), N-terminal pro-brain natriuretic peptide (NT-proBNP), cardiac troponin I (cTNI), and lipid profiles, including total cholesterol, triglyceride, LDL-C, and HDL-C, were measured according to standard laboratory protocols. Plasma levels of cotinine and IgE were determined by enzyme-linked immunosorbent assay (ELISA), according to the manufacturer's protocols (CO096D, CALBIOTECH, EI Cajon, CA, USA; SX05002, Senxiong, Shanghai, China).
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