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61 results

  1. TSRC, Tob. Sci. Res. Conf., 2021, 74, abstr. 54

    Evaluation of gaseous phase nicotine in e-liquid nicotine salts in e-cigarette aerosols

    JONES T.(1,2); KINTNER S.(1,2); ARMWOOD S.(1,2); ILLIDGE B.(3); LU HUANGHAI(3); HARDMAN P.(3); PANI J.(2); RUAN CHUNHAI(1,2)
    (1) ITG Brands, Greensboro, NC, USA; (2) Imperial Brands-Lab Network, Hamburg, Germany; (3) Imperial Brands-Nerudia, Liverpool, UK
    Nicotine is a key component in many e-cigarette formulations and during the vaping process, nicotine exists in both the gaseous phase and aerosol phase. There are two type of vaping techniques- mouth-to lung (MTL) and direct-to-lung (DTL). The...
  2. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 03

    Method development for the analysis of mono-carbonyl compounds in e-vapor products by LC-MS

    ZHU J.; HEREDIA A.; TWEEDY J.; TAYYARAH R.
    ITG Brands and Fontem USA, Greensboro, NC, U.S.A.
    At the 73rd Tobacco Science Research Conference (TSRC), we presented a novel method for quantitation by LC-MS of mono-carbonyl compounds in e-vapor product aerosol samples. The method is simple and robust with good recoveries. We have since extended...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 45

    Meta-analysis of two biomarkers of exposure of tobacco products

    AYALA-FIERRO F.(1); ELAMIN A.(2); FROST-PINEDA K.(3); JIN T.(3); PRASAD G.L.(3); SARKAR M.(4); SCHMIDT E.(3); VERRON T.(5)
    (1) ITG Brands LLC, Greensboro, NC, U.S.A.; (2) PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland; (3) RAI Services Company, Winston-Salem, NC, U.S.A.; (4) Altria Client Services LLC, Richmond, VA, U.S.A.; (5) SEITA - Imperial Brands, Paris, France
    In the context of tobacco products, broadly two types of biomarkers exist, biomarkers of exposure (BoE) and biomarkers of potential harm (BoPH). BoE measure exposure to tobacco constituents, e.g. carbon monoxide (CO) and nicotine equivalents (NEQs)....