Search Results

47 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 17

    A clinical study investigating changes in exposure to cigarette smoke chemicals in U.K. smokers who switch to using a tobacco heating product for a five-day period

    McEWAN M.(1); EBAJEMITO J.K.(1); GALE N.(1); ELDRIDGE A.(1); CAMACHO O.M.(1); MURPHY J.(1); HARDIE G.(1); PROCTOR C.J.(1)
    (1) British American Tobacco (Investments) Limited, R&D, Southampton, U.K.; (2) Celerion Inc., Lincoln, NE, U.S.A.
    Smoking is a leading cause of numerous diseases, particularly lung cancer, chronic obstructive pulmonary disease and cardiovascular diseases. Consequently, there is a recognized need to provide smokers with alternative nicotine-delivery devices that have ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 44

    Time and spatially resolved in-situ determination of temperature, pressure and gas phase concentration of selected smoke constituents inside a burning superslim cigarette. Part I – Thermophysical mapping

    CUI Huapeng(1); EHLERT S.(2); XIE Fuwei(1); DENG Nan(1); LI Bin(1); LIU Chuan(3); McADAM K.(3); WALTE A.(2); ZIMMERMANN R.(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (2) Photonion GmbH, Schwerin, Germany; (3) British American Tobacco (Investments) Limited, Global R&D, Southampton, U.K.
    Superslim cigarettes in China are a relevant product category on the market. Accurate determination of key thermo-physical and-chemical parameters in superslim cigarettes are essential for the mechanistic understanding of combustion as well as pyrolysis ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 59

    An inter-laboratory comparison study focused on the determination of total NNAL in human urine

    NEWLAND K.(1); SCHERER M.(2); HECHT S.S.(3); TROUDE V.(4); PRASAD G.L.(5)
    (1) Celerion Inc., Lincoln, NE, U.S.A.; (2) ABF GmbH, Planegg, Germany; (3) University of Minnesota Cancer Center, Minneapolis, MN, U.S.A.; (4) Reemtsma Cigarettenfabriken GmbH, Imperial Brands plc, Hamburg, Germany; (5) RAI Services Company, Winston-Salem, NC, U.S.A.
    In an ongoing effort to fulfil the second objective of the CORESTA Biomarker Sub-Group, periodic inter-laboratory comparison studies have been performed to evaluate the consistency of the quantitation for various harmful or potentially harmful exposure ...
  4. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 04

    Reduction of harmful or potentially harmful constituents (HPHCs) following partial or complete substitution of cigarettes with electronic cigarettes in adult smokers

    D’RUIZ C.D.(1); O’CONNELL G.(2); GRAFF D.W.(3)
    (1) Scientific Affairs Consultant, Fontem Ventures, B.V., Greensboro, NC, U.S.A.; (2) Fontem Ventures, B.V., Scientific and Regulatory Affairs, Amsterdam, The Netherlands; (3) Celerion, Lincoln, NE, U.S.A.
    Changes in fifteen urine, blood, and exhaled breath biomarkers of exposure (BoE) to harmful and potentially harmful constituents (HPHCs), representing major classes of compounds reported by the FDA to be significant contributors to smoking-associated ...
  5. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 06

    Evaluation of a biomarker of oxidative stress: 8-iso-prostaglandin F2α / prostaglandin F2α ratio

    NEWLAND K.(1); MILLER P.(1); FARMEN R.(1); TRAN C.T.(2); HAZIZA C.(2); PICAVET P.(2)
    (1) Celerion, Inc., Lincoln, NE, U.S.A.; (2) Philip Morris Products S.A. (part of Philip Morris International group of companies), Neuchâtel, Switzerland
    It is understood that exposure to free radicals related to tobacco use negatively impacts smoker health. Studies have been performed measuring fatty acid oxidation products (F2-Isoprostanes) in human urine as biomarkers of harm from free radical exposure. ...
  6. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 23

    Pharmacokinetics of nicotine following single controlled use of a new type of tobacco: heated tobacco product

    GILES L.(1); YUKI D.(2); SHERWOOD N.(3); GRAFF D.W.(4); NEWLAND K.(4)
    (1) JT International SA, Ballymena, Co. Antrim, U.K.; (2) Japan Tobacco Inc., Yokohama, Kanagawa, Japan; (3) Neil Sherwood Consulting, Commugny, Switzerland; (4) Celerion, Lincoln, NE, U.S.A.
    Nicotine is one of the most characteristic compounds contained in any type of tobacco product including cigarettes. Previous studies have reported that different types of tobacco products display differences in nicotine pharmacokinetics. NHTP is a new ...
  7. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 72

    The analysis of isotopically labeled propylene glycol in e-cigarettes

    FARMEN R.H.; NEWLAND K.E.; NACHI R.; KAFONEK C.J.; ISLAM R.
    Celerion, Lincoln, NE 68502 U.S.A. & Celerion, Zürich, Switzerland
    Measurement of the excipients in e-cigarettes has become a hot topic of discussion with the release of the new draft guidance from the United States Food and Drug Administration (FDA). However difficulties in the selective measurement of the bioavailable ...