Search Results

5 results

  1. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 086

    Determination of tobacco alkaloids in consumer products by UPLC-MS/MS using a modified quechers method

    SHIFFLETT J.R.; WITTENBERG J.B.; BEZABEH D.Z.
    Alcohol and Tobacco Tax and Trade Bureau, Beltsville, MD, USA
    The U.S. Alcohol and Tobacco Tax and Trade Bureau (TTB) is responsible for collecting Federal excise taxes on tobacco products. Tobacco products in the U.S. may fall into several taxable categories including cigars, cigarettes, snuff, chewing...
  2. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 061

    Simultaneous determination of tobacco alkaloids, tobacco specific nitrosamines, and solanesol in consumer products using UPLC-ESI-MS/MS

    SHIFFLETT J.R.; WATSON L.; McNALLY D.J.; BEZABEH D.Z.
    U.S. Treasury Department, Alcohol and Tobacco Tax and Trade Bureau, Beltsville, MD, USA
    The U.S. Alcohol and Tobacco Tax and Trade Bureau (TTB) is responsible for collecting Federal excise taxes on tobacco products. Tobacco products in the U.S. may fall into several taxable categories including cigars, cigarettes, snuff, chewing...
  3. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 20

    A comprehensive analysis of transcriptome dynamics in tobacco (Nicotiana tabacum l.) leaves.

    LI Ruiyuan(1); FAN Longjiang(2); GUI Yijie(2); SHI Yuewei(1); WANG Zhihong(1); XI Shengdong(1); REN Xueliang(1)
    (1) Guizhou Academy of Tobacco Science, Guiyang City, P.R. China; (2) Zhejiang University, P.R. China
    By using a custom-designed microarray containing 44,873 unigenes derived from public EST libraries, the transcriptome of tobacco leaves at different stalk positions and developmental stages was investigated and analyzed for three varieties planted in...
  4. TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 21

    Comparison of SFA, IC-PAD, and LC-MS/MS for quantitative characterization of carbohydrates in tobacco products

    SHIFFLETT J.; BEZABEH D.Z.
    Alcohol and Tobacco Tax and Trade Bureau, Scientific Services Division, Beltsville, MD, USA
    The U.S. Alcohol and Tobacco Tax and Trade Bureau (TTB) is responsible for determining proper tax classification of tobacco products. Tobacco products in the U.S. may fall into several taxable categories including cigars, cigarettes, snuff, chewing...