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36 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 09

    Degradation property of degradable film and its effect on flue-cured tobacco development and soil ecological environment

    FAN Jun(1); TAN Jun(1); PENG Wuxing(1); ZHAO Xiuyun(2); WANG Rui(1); XIA Pengliang(1)
    (1) Enshi Company of Hubei Tobacco Company of CNTC, Enshi, Hubei, P.R. China; (2) College of Life Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
    Aiming at decreasing agricultural pollution caused by plastic film, degradation of photo-oxygen degraded and bio-degradable films and their effects on flue-cured tobacco development, soil temperature, moisture, enzyme activities and fungi community were ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 25

    Misperception of e-cigarette harm growing among American adults, 2013-2015

    VERRON T.(1); GUO M.(1); VARIGNON B.(1); O'CONNELL G.(2); WALELE T.(2); CAHOURS X.(1)
    (1) SEITA - Imperial Brands plc, Paris, France; (2) Fontem Ventures B.V., Amsterdam, The Netherlands
    Electronic cigarettes (e cigarettes) have been characterised as significantly less harmful than smoked tobacco by an increasing number of public health authorities. However, the proportion of American adults who perceive e cigarettes to be equally or more ...
  3. 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 ...
  4. 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 ...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 51

    Change of microbial community composition in bacterial wilt infected tobacco-planting soils and regulation of the functional bio-organic fertiliser

    WANG Rui(1); TAN Jun(1); SHI Heli(1); ZHAO Xiuyun(2)
    (1) Enshi Tobacco Company of Hubei Province of CNTC, Enshi, Hubei, P.R. China; (2) College of Life Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
    Bacterial wilt caused by Ralstonia solanacearum is one of main soil-borne diseases during the growth of tobacco. Soil microbes play important roles in tobacco growth and health. Little is known about the differences of soil microbes between healthy and ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 62

    Overview of in vitro methods used to assess e-cigarettes based on “Toxicity Testing in 21st Century” principles

    SIMMS L.(1); STEVENSON M.(1); CZEKALA L.(1); TSCHIERSKE N.(1); WALELE T.(2)
    (1) Imperial Tobacco Ltd, Bristol, U.K.; (2) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands
    When the National Academies of Sciences released “Toxicity Testing in the 21st Century: A Vision and a Strategy” a new toxicological paradigm was created, focusing on the use of human cell lines and the disruption of key cellular pathways. In keeping with ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 08

    Indoor air quality and surface deposition assessment following use of an open system e-cigarette

    BAUER N.(1); TSCHIERSKE N.(1); O'CONNELL G.(2); CAHOURS X.(3)
    (1) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (2) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands; (3) SEITA-Imperial Tobacco Limited, Fleury-les-Aubrais, France
    Electronic cigarette (e-cigarette) nicotine delivery devices are growing in popularity worldwide. Both regulators and public health organisations are beginning to examine potential implications that exposure to exhaled e-cigarette aerosol may have on non ...
  8. 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 endpoints ...
  9. 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 ...