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77 results

  1. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 51

    Investigate particle size distributions of electronic cigarette aerosols using a multi-angle light scattering instrument

    SONG C.(1); HOLVE D.(2); ALDERMAN S.L.(1)
    (1) R.J. Reynolds Tobacco Company, Winston Salem, NC USA; (2) EnviroMetrix Instruments LLC, Berkeley, CA USA
    Particle size distribution measurement of electronic cigarette aerosols represents a great experimental challenge due to the volatile nature of the particulate compositions and the high number density (up to 1010 per cubic centimeter). Efforts have been ...
  2. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, STPOST 17

    Global profiling of metabolites from saliva of tobacco consumers

    PRASAD G.L.(1); JONES B.A.(1); SCHMIDT E.(1); KENNEDY A.D.(2)
    (1) R.J. Reynolds Tobacco Company, R&D Department, Winston-Salem, NC, U.S.A.; (2) Metabolon, Durham, NC, U.S.A.
    The long-term health effects associated with cigarette smoking have been shown to be more harmful compared to those associated with the consumption of non-combustible tobacco products, such as moist snuff. In order to investigate the long-term health ...
  3. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 17

    Global profiling of metabolites from saliva of tobacco consumers

    PRASAD G.L.(1); JONES B.A.(1); SCHMIDT E.(1); KENNEDY A.D.(2)
    (1) R.J. Reynolds Tobacco Company, Winston-Salem, North Carolina, USA; (2) Metabolon, Durham, North Carolina, USA
    The long-term health effects associated with cigarette smoking have been shown to be more harmful compared to those associated with the consumption of non-combustible tobacco products, such as moist snuff. In order to investigate the long-term health ...
  4. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 38

    Analysis of free amino acids in tobacco with a new LC/MS/MS procedure

    MOLDOVENAU S.C.(1); ZHU J.(2)
    (1) R.J. Reynolds Tobacco Company, Winston-Salem, North Carolina, USA; (2) Lancaster Labs. Inc., Winston-Salem, North Carolina, USA
    The levels of amino acids in tobacco are important for leaf characterization. They contribute substantially to the level of toxicants in cigarette smoke, and to the sensory properties of cigarettes. The analysis of amino acids in tobacco leaf has been ...
  5. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPT 24

    Development of biomarkers of effect from chronic tobacco usage. Part 3: Potential metabolomics biomarkers of tobacco effect

    PRASAD G.L.(1); CHEN P.(1); JONES B.A.(1); KENNEDY A.D.(2)
    (1) R.J. Reynolds Tobacco Co., R&D Department, Winston-Salem, NC, USA; (2) Metabolon, Durham, NC, USA
    Epidemiological data indicate that consumption of moist snuff is associated with reduced harm relative to cigarette smoking. However, a need exists for interim biomarkers of effect (BioEff) that would be useful to assess the health effects of tobacco. To ...
  6. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPTPOST 36

    Development of biomarkers of effect from chronic tobacco usage.Part 4: Metabolomic profiles from cigarette smokers and moist snuff consumers

    PRASAD G.L.(1); CHEN P.(1); JONES B.A.(1); KENNEDY A.D.(2)
    (1) R.J. Reynolds Tobacco Co., R&D Department, Winston-Salem, NC, USA; (2) Metabolon, Durham, NC, USA
    The long-term health effects associated with cigarette smoking have been shown to be more harmful compared to those associated with the consumption of non-combustible tobacco products, such as moist snuff. In order to investigate the long-term effects of ...
  7. TSRC, Tob. Sci. Res. Conf., 2012, 66, abstr. 23

    Development of biomarkers of effect from chronic tobacco usage: Part 4. Metabolomic profiles from cigarette smokers and moist snuff consumers

    PRASAD G.L.(1); CHEN P.(1); JONES B.(1); KENNEDY A.D.(2)
    (1) R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA; (2) Metabolon, Inc., Durham, NC, USA
    The long-term health effects associated with cigarette smoking have been shown to be more harmful compared to those associated with the consumption of non-combustible tobacco products, such as moist snuff. In order to investigate the long-term effects of ...
  8. TSRC, Tob. Sci. Res. Conf., 2012, 66, abstr. 26

    Development of biomarkers of effect from chronic tobacco usage: Part 3. Potential metabolomics biomarkers of tobacco effect.

    PRASAD G. L.(1); CHEN P.(1); JONES B.(1); KENNEDY A.D.(2)
    (1) R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA; (2) Metabolon, Inc., Durham, NC, USA
    Epidemiological data indicate that consumption of moist snuff is associated with reduced harm relative to cigarette smoking. However, a need exists for interim biomarkers of effect (BioEff) that would be useful to assess the health effects of tobacco. To ...
  9. Tobacco Science & Technology, 2012, 7, p. 40-42, ISSN.1002-0861

    Determination of cellulose in tobacco with flow analyzer

    SHANG Jun(1); LÜ Xiangmin(1); WANG Peng(*1,2); HE Rong(1); WEN Peng(1); ZHOU Wei(1)
    (1) Chongqing Tobacco Industrial Co., Ltd., Chongqing 400060, P.R. China; (2) China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China
    A flow analysis method for determining the cellulose in tobacco was developed. Cellulose was hydrolyzed by cellulase and the formed glucose was determined by flow analyzer. The results showed that: 1) The optimal hydrolysis conditions were: tobacco powder ...
  10. Tobacco Science & Technology, 2012, 7, p. 46-49, ISSN.1002-0861

    Application of near infrared spectroscopic techniques in stability analysis of tobacco in processing

    DENG Fada(1); LI Dongliang(*1); WEN Ruoyu(1); LI Feiyu(2); SHI Fengcheng(1)
    (1) Technology R&D Center of China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; (2) Fuling Cigarette Factory of Chongqing Tobacco Industrial Co., Ltd., Fuling 408000, Chongqing, P.R. China
    In order to study the stability of chemical components in tobacco in processing, the near infrared (NIR) spectra of cut tobacco were online collected at the outlet of HXD drier and then processed by continuous wavelet transformation. The relationships ...