Search Results

101 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 17

    Variation of soil potassium quantity-intensity relationship in flue-cured tobacco-rape rotation system under long-term located potassium application

    DAI Kuai(1); LI Jiangzhou(1); ZHANG Limeng(1); JI Sigui(1); LONG Huaiyu(2); XU Zhaoli(3); DUAN Yuqi(3); YANG Yuhong(3); LU Xiuping(3); JIAO Yongge(1); BU Lingduo(1)
    (1) Yunnan Tobacco Company Yuxi Branch/Biological Control of Tobacco Diseases and Insect Pests Engineering Research Center of China, Yuxi, P.R. China; (2) Institute of Agriculture Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China; (3) Yunnan Tobacco Agriculture Research Institute, Kunming 650031, P.R. China
    The aim of this study was to explore the effect of long-term potassium application on soil potassium supply capacity, so as to provide certain scientific basis for rationalising potassium application and continuing research on the development of...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 32

    Enumeration of TBNK cells: A case for a bioanalytical assay to support clinical studies for the development of modified risk tobacco products

    NEWLAND K.; MILLER P.; FARMEN R.
    Celerion, Inc., Lincoln, NE, U.S.A.
    Smoking has been reported to lessen the body’s immune response making it more susceptible to infections. Chronic cigarette smoke exposure causes imbalance in immune homeostasis affecting the circulating immune cells. Peripheral blood lymphocytes are...
  3. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 11

    Field trials with low nicotine tobacco varieties developed by conventional breeding technique: first results

    MALPICA A.(1); EVANS W.(2); ARCHIBALD C.(3); SCOTT L.(4); GARWE D.(5); CHAMANGO A.M.Z.(6); DORLHAC de BORNE F.(7); COLARD S.(8)
    (1) Bergerac Seed and Breeding, Bergerac, France; (2) Imperial Tobacco South Africa Pvt. Ltd, Umhlanga, Durban, South Africa; (3) Alliance One International Services, Camberley, Surrey, U.K.; (4) Universal Leaf Tobacco Co., Richmond, VA, U.S.A.; (5) Tobacco Research Board (TRB), Harare, Zimbabwe; (6) Agricultural Research & Extension Trust (ARET), Lilongwe, Malawi; (7) Imperial Tobacco Limited, Bergerac, France; (8) SEITA - Imperial Brands plc, Paris, France
    In 2015, the World Health Organisation (WHO) Study Group on Tobacco Product Regulation (“TobReg”) issued an advisory note recommending a strategy of reducing nicotine in tobacco to substantially lower levels of 0.4 mg/g. In the U.S., the Food and...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. 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...