Search Results

53 results

  1. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 20

    The influence of storage conditions and packaging on acetic acid generation in cellulose acetate fibers

    TATUM C.E.; WILSON S.A.; CASPER R.G.; PEARCE M.J.
    Eastman Chemical Company, Kingsport, TN, U.S.A.
    The cellulose acetate polymer used in cigarette filters is made by acetylating wood pulp with acetic anhydride. One advantage of this modified natural polymer is that it readily degrades by multiple mechanisms. While the ultimate products are carbon ...
  2. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 07

    Comparison of the cerulean e-cigarette pressure drop testing instrument to the ces 508 cigarette pressure drop and ventilation tester unit for electronic cigarettes, conventional tobacco burning cigarettes, and filter tips

    AVANTS K.W.(1); WILSON S.A.(2); CLARK J.(1)
    (1) Liggett Group, LLC, Mebane, NC USA; (2) Eastman Chemical Company, Kingsport, TN USA
    The pressure drop or “resistance to draw” of cigarettes and cigarette-like products is a prominent experience for consumers. This poster is a comparison of two commercial instruments with different approaches to measuring pressure drop. The instruments ...
  3. 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 ...
  4. 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 ...
  5. 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 ...
  6. 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 ...
  7. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 01

    Photodegradability testing of cellulose acetate filters – outdoor weathering vs. accelerated weathering

    STEACH J.K.; FISHER JONES D.
    Eastman Chemical Company, Kingsport, TN, USA
    Degradation testing in the laboratory is based on understanding a material’s exposure to specific environmental forces, which can play a key role in the mechanisms of degradation. Cellulose acetate filters can be degraded by various environmental forces, ...
  8. 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 ...