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14 results

  1. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 091

    Tobacco-specific nitrosamines in the mainstream smoke of commercial little cigars

    EDWARDS S.H.(1); HASSINK M.(1); TAYLOR K.M.(1); WATSON C.(2); KUKLENYIK P.(2); WANG R.(2); CHEN P.(2); VALENTIN-BLASINI L.(2); KIMBRELL B.(2)
    (1) US Food and Drug Administration (FDA), Silver Spring, MD, USA; (2) Centers for Disease Control and Prevention, Atlanta, GA, USA
    Cigars are among the broad variety of deemed tobacco products that have been less extensively studied and characterized than cigarettes. Small sheet-wrapped cigars, often called little cigars, are a subcategory of cigars that are similar to...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups (Workshop), STW 06

    Biomarkers of tobacco smoke exposure in the U.S. population: result and resources from the National Health and Nutrition Examination Survey (NHANES)

    BLOUNT B.C.
    Tobacco and Volatiles Branch, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, U.S.A.
    Tobacco smoke exposure is the primary cause of disease and premature death in the U.S. population and a major contributor to negative health impact globally. Tobacco smoke harms the health of active users and non-users with indirect exposure....
  3. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 046

    The quantitation of volatile nitrosamines in mainstream tobacco smoke by gas chromatography-tandem mass spectrometry (GC-MS/MS) using direct sample bag collection

    COWAN E.A.; WINKELJOHN W.R.; LISKO J.G.; VALENTIN-BLASINI L.
    Centers for Disease Control and Prevention, Atlanta, GA, USA
    Volatile nitrosamines (VNAs) are classified as group 2A and 2B carcinogens in humans by the International Agency for Research on Cancer (IARC), have been associated with increased incidences of carcinogenesis and have been linked to lipid...
  4. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 048

    Survey of nicotine, NNK, NNN, pH and physical properties of little cigars in the US market place

    LIU Youbang(1); HASSINK M.D.(1); TAYLOR K.M.(1); WATSON C.(2); CHAFIN D.(2); LAWLER T.(2); VALENTIN-BLASINI L.(2); KIMBRALL B.(2)
    (1) U.S. Food and Drug Administration, Silver Spring, MD, USA; (2) Centers for Disease Control and Prevention, Atlanta, GA, USA
    In May 2016, the jurisdiction of the Federal Food Drug and Cosmetic Act was extended to include all tobacco products, including cigars. Because limited information exists on the chemistry of cigar filler and smoke, 60 brands of popular little cigars...
  5. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 07

    Direct single puff GC-MS analysis of electronic cigarettes and the effect of interpuff interval on relative nicotine delivery

    LISKO J.G.(1); PEREZ J.J.(1); VALENTIN-BLASINI L.(1); WATSON C.H.(1); HOLMBERG S.L.(2); LEE G.E.(3)
    (1) US Centers for Disease Control and Prevention, Atlanta, GA, USA; (2) Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA; (3) Battelle Memorial Institute, Columbus, OH, USA
    As electronic cigarettes (e-cigarettes) have become more popular, research labs have begun to propose standardized vaping protocols to produce machine-generated aerosols from e-cigarette products. Investigations have largely focused on the effects of...
  6. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 107, APOST6 (adjourned)

    Estimation of the state of nitrogen nourishment of tobacco using the N-tester

    KOWALCZYK-JUSKO A.; KOSCIK B.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The purpose of this work, based on a three years of field experiment, was to inspect whether it is possible to use a chlorophyll meter in fixing the nitrogen doses used in growing flue-cured tobacco. The relationship between the capacity of nitrogen...
  7. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 112, APOST13

    Influence of aqua terra hydrogel on growth, development and yield of light cigarette tobacco

    KOSCIK B.; KOWALCZYK-JUSKO A.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The aim of introductory field and pot experiments which were carried out in Zamosc in the years of 1995-1997 was to study the influence of Aqua Terra hydrogel on the growth, development and yield of light cigarette tobacco. Hydrogels are substances...