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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2009 Aug 28;877(29):3537–3542. doi: 10.1016/j.jchromb.2009.08.033

Figure 1.

Figure 1

Extracted ion chromatograms for nicotine (m/z 132.2, 84.2), cotinine (m/z 80.1, 98.1), trans-3’-hydroxycotinine (m/z 80.2, 134), and norcotinine (m/z 80.2, 118.2). (A) Blank human plasma, (B) Blank human plasma fortified at the low quality control concentration for each analyte, and (C) Human plasma containing 44 ng/mL nicotine, 222 ng/mL cotinine, 112 ng/mL trans-3’-hydroxycotinine, and 20 ng/mL norcotinine. Each analyte represented by quantifier transition (broken line) and qualifier transition (solid line).