Search Results

15 results

  1. 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...
  2. 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...
  3. 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...
  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 42

    Exhaled aerosol properties in a room following use of electronic cigarettes and conventional cigarettes

    CAHOURS X.(1); MARTUZEVICIUS D.(2); PRASAUSKAS T.(2); SETYAN A.(3,4); O’CONNELL G.(5); JULIEN R.(1); WANG J.(3,4); COLARD S.(1)
    (1) SEITA-Imperial Tobacco, Fleury-les-Aubrais, France; (2) Department of Environmental Technology, Kaunas University of Technology, Kaunas, Lithuania; (3) Laboratory for Advanced Analytical Technologies, EMPA (Swiss Federal Laboratories for Materials Science and Technology), Dübendorf, Switzerland; (4) Institute of Environmental Engineering, ETH Zürich, Zürich, Switzerland; (5) Fontem Ventures B.V., HN Amsterdam, Netherlands
    Use of electronic cigarettes (e-cigarettes) is rapidly increasing among smokers as an alternative to conventional tobacco cigarettes (CC). As e-cigarettes do not contain tobacco and do not require combustion, the mechanism of aerosol generation...
  6. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 18

    Assessment of the so-called “gateway effect” based on electronic vapour product classifications

    VERRON T.(1); CAHOURS X.(1); CERSON L.(2); COLARD S.(1); O’CONNELL G.(3)
    (1) SEITA-Imperial Tobacco, Fleury-les-Aubrais, France; (2) Imperial Tobacco Limited, Bristol, U.K.; (3) Fontem Ventures B.V., Amsterdam, Netherlands
    Since electronic cigarettes (e-cigs) became popular as alternatives to conventional cigarettes, with subsequent market growth amongst smokers, there is currently a debate as to whether e-cigs may be a "gateway" to conventional cigarette smoking or...
  7. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 03

    Agrobacterium T-DNA in Nicotiana tomentosiformis and other Nicotiana species

    CHEN K.(1); DORLHAC DE BORNE F.(2); SZEGEDI E.(3); OTTEN L.(1)
    (1) Department of Molecular Mechanisms of Phenotypic Plasticity, Institut de Biologie Moléculaire des Plantes du C.N.R.S., Strasbourg, France; (2) National Agricultural Research and Innovation Centre (NARIC), Research Institute for Viticulture and Enology, Experimental Station of Kecskemét, Hungary; (3) Imperial Tobacco Group, Institut du Tabac, Bergerac, France
    Agrobacterium rhizogenes induces growth of aberrant roots with bacterial T-DNA; some roots can spontaneously regenerate into plants carrying T-DNA fragments. T-DNAs contain genes that are expressed in plants which normally lead to root growth and to...
  8. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 01

    Stalk position effect on harmful and potentially harmful cigarette smoke constituents in Burley tobacco: a case study

    VERRIER J-L.(1); DESTRUHAUT S.(2); COLARD S.(3)
    (1) Imperial Tobacco Group, Institut du Tabac, Bergerac, France; (2) Imperial Tobacco Group, SEITA, Fleury-les-Aubrais, France; (3) Imperial Tobacco Ltd, Bristol, U.K.
    Cured leaf chemistry varies sharply according to stalk positions and variations of smoke yields of harmful and potentially harmful constituents (HPHCs) are also expected. To quantitatively assess the effects on HPHC yields, Burley leaves of the...