Search Results

146 results

  1. 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 ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 06

    Effects on the enzyme activity and microbial community of soil under different fertilizations

    LI Xiang; LIU Yanxia; ZOU Yan; ZHANG Heng; ZHU Jingwei; SHI Junxiong
    Guizhou Academy of Tobacco Science of CNTC, Guiyang, Guizhou, P.R. China
    Different fertilizations have significant different effects on soil enzyme activity and micro-organisms. In this paper, high-throughput sequencing was used to analyze the tobacco planting soil with long-term different fertilizations in Guizhou Province. ...
  3. 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 have ...
  4. 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 pyrolysis ...
  5. 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 exposure ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 01

    Investigation and research of microbial information in tobacco-planted soil from different ecological regions in Guizhou Province

    LI Xiang; LIU Yanxia; SHI Junxiong; ZHANG Heng; CAI Liuti; ZOU Yan
    Guizhou Academy of Tobacco Science of CNTC, Guiyang, Guizhou, P.R. China
    Soil microbial characteristics can sensitively reflect soil quality and health index. In order to illustrate the difference in microbial information between different ecological regions, tobacco-planted soils were collected from 31 regions in Guizhou ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 13

    The inhibitory effects of salicylic acid on the potassium outflow from tobacco

    ZHAO Jiehong
    Key Laboratory of Molecular Genetics of CNTC, Guizhou Academy of Tobacco Science, Guanshanhu District, Guiyang, Guizhou, P.R. China
    Potassium (K +), as one of the most important nutrient elements, plays important roles in tobacco production, such as stress resistance and improvement of leaf combustibility and quality. After topping or during drought stress, K + usually outflows from ...
  8. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 014

    Analysis of isotopically labeled glycerol to measure exposure from e-cigarettes

    DIBBERN E.M.; KAFONEK C.J.; BROWN G.P.; DZERK A.M.; NACHI R.; NEWLAND K.E.; ISLAM R. (presented by Erika Pfaumiller)
    Celerion, Lincoln, NE, USA
    Electronic cigarettes (ecigs) have become a popular mode of nicotine ingestion. They are often promoted as being less harmful than traditional cigarettes, but research supporting that claim is incomplete. The main chemical components of ecigs are ...
  9. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 067

    Development of an analytical method to detect methyl salicylate in human plasma

    MILLER S.(1); NEWLAND K.(2); LIU J.(1); SARKAR M.(1)
    (1) Altria Client Services, Richmond, VA, USA; (2) Celerion, Lincoln, NE, USA
    Wintergreen is used as a common flavor in many moist smokeless tobacco (MST) products and is also widely used as a food flavorant as well as an over-the-counter analgesic to relieve muscle aches. MST products, including wintergreen flavored products, have ...