1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 52

    Biological test procedure for fresh generated cigarette smoke and e-cigarette aerosols under air-liquid interface (ALI) exposure in 24 and 96 multi-well plates

    WIECZOREK R.(1); TRELLES STICKEN E.(1); WALELE T.(2); CZEKALA L.(3); SIMMS L.(3)
    (1) Reemtsma Cigarettenfabriken GmbH, Imperial Brands plc, Hamburg, Germany; (2) Fontem Ventures, Amsterdam, The Netherlands; (3) Imperial Tobacco Limited, Bristol, U.K.
    Cigarette smoke and e cigarette aerosol contain particulate matter/liquid droplets in the solid phase as well as volatile substances in the gas phase. Both fractions are of potential toxicological relevance and should be considered when assessing...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 53

    Use of human derived cell lines to increase the biological relevance of cigarette condensate, non-tobacco materials and e-liquids testing

    WIECZOREK R.(1); TRELLES STICKEN E.(1); WALELE T.(2); CZEKALA L.(3); SIMMS L.(3)
    (1) Reemtsma Cigarettenfabriken GmbH, Imperial Brands plc, Hamburg, Germany; (2) Fontem Ventures, Amsterdam, The Netherlands; (3) Imperial Tobacco Limited, Bristol, U.K.
    The in vitro testing strategy of tobacco products is mainly based on the testing of extracts from cigarette smoke condensates. An accepted industry wide assay battery has been developed over recent years which delivers reliable results for the...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 21

    The use of in vitro human biomarkers from relevant primary cell lines, to assess the effects of increasing nicotine concentration in e-liquids

    SIMMS L.(1); STEVENSON M.(1); CZEKALA L.(1); TSCHIERSKE N.(1); BERG E.(2); WALELE T.(3)
    (1) Imperial Tobacco Ltd, Bristol, U.K.; (2) DiscoverX Corporation, Fremont, CA, U.S.A.; (3) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands
    As part of the ongoing stewardship of electronic cigarettes, and in line with the National Academies of Sciences “Toxicity Testing in the 21st Century: A Vision and a Strategy”, Fontem Ventures B.V. have investigated the utility of a series of...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 03

    Analytical method to model human mouth-level transfer of ingredients from Swedish pouched snus

    GRAPTON S. (1); GADOIS-POMMEREUL S.(1); TROUDE V.(1); BLANCHET M. (1); CLARKE A.(2); SIMMS L.(2)
    (1) SEITA, Imperial Tobacco Group, Fleury-les-Aubrais, France; (2) Imperial Tobacco Limited, Bristol, U.K.
    In parallel with the human study[1] a laboratory in vitro assay was conducted with three media: artificial saliva, water and 1% ß-cyclodextrin in water, using two snus products that were indistinguishable apart from the flavour application rate. To...