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103 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 04

    Pest and disease surveillance in flue-cured tobacco growing zones of India

    REDDY B.S.R.; SWAMY S.; MANI M.
    ITC Ltd, Agri Business Division, Research Department, Rajahmundry, A.P, India
    Pest and disease are major yield limiting factors in tobacco production and these biotic factors reduce the productivity besides affecting the quality of leaf. The control of these pest and diseases warrant more pesticide usage resulting in pesticide ...
  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 39

    The use of high content screening (HCS) in human primary lung cells to assess e-liquids of differing flavors and nicotine concentrations

    SIMMS L.(1); CZEKALA L.(1); STEVENSON M.(1); PHILLIPS G.(1); WALELE T.(2)
    (1) Imperial Brands, Bristol, U.K.; (2) Fontem Ventures, Amsterdam, The Netherlands
    Due to the current scientific debate and evolving regulatory landscape, new assays are needed to quickly determine the subtle biological response of e-liquids for both stewardship and product development purposes. For stewardship, all ingredients in the e ...
  4. 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 ...
  5. 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 ...
  6. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 044

    Comparative measurements of puff aerosol size and concentration of combustion, heated tobacco, and liquid e-cigarettes by light scattering method

    HOLVE D.J.(1); HOORNSTRA J.(2)
    (1) Envirometrix Instruments LLC, Berkeley, CA, USA; (2) Envirometrix Instruments LLC, Sint Maartensbrug, Netherlands
    In a previous presentation at the 2015 TSRC, the development and application of a new light scattering instrument based on Mie theory (Orion-A) was presented (ref 1). Further developments and improvements have been implemented on the Orion instrument, ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 52

    Biological control of soil borne diseases in tobacco

    REDDY BSR.; SWAMY S.; MANI M.
    ITC Limited, Research Department, Agri Business Division-ILTD, Rajahmundry, Andhra Pradesh, India
    Biotic stress components are one of the limiting factors for productivity in tobacco in India. Fusarium wilt caused by Fusarium oxysporum f.sp nicotianae (Mysore region) and Black shank caused by Phytophthora parasitica var. nicotianae (Northern Light ...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 09

    Oxidation dynamics of e-liquids in electronic nicotine delivery systems with atomisers of various types

    TROFIMOV A.V.; MENSHOV V.A.; YABLONSKAYA O.I.
    Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russian Federation
    The processes of the thermal oxidative destruction of e-liquid components play a key role in the appearance of undesirable products in aerosols generated by electronic nicotine delivery systems (ENDS). The objective of the present studies is to obtain ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 22

    Estimation of e-cigarette aerosol yields based on puff duration

    JULIEN R.(1); TSCHIERSKE N.(2); VARIGNON B.(1); TROUDE V.(1); DESTRUHAUT S.(1); WALELE T.(3); COLARD S.(1); CAHOURS X.(1)
    (1) SEITA-Imperial Tobacco Limited, Fleury-les-Aubrais, France; (2) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (3) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands
    There are regulatory requirements in quantifying and comparing the emission levels of major and minor aerosol constituents from e-cigarettes. Up until the recent publication in 2015 of CORESTA Recommended Method (CRM) No. 81- " Routine Analytical ...
  10. 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 ...