Types of Samples Cotinine can be measured in several biological specimens: Testing Methods Immunoassays (ELISA, rapid tests) Quick, inexpensive Can be qualitative (yes/no) or semi-quantitative Common in clinical and workplace screening Chromatography-based methods (GC-MS, LC-MS/MS) More accurate and quantitative Can distinguish nicotine from cotinine and other metabolites Used in research or forensic settings Interpretation of Results Cutoff values vary by lab and context
The most famous (and successful) of the fourth-generation devices is the Silicon Valley start-up Juul, a monochromatic pen that looks like it has rolled straight off the Apple production line
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Atherosclerosis 201 , 225235 (2008)
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The day I harvested him, he followed my exact entry route in, coming in downwind of my stand, and fed there for about 15 minutes, before I ended up taking the shot
