Search Results

8 results

  1. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, STPOST 08

    Determination of 16 polycyclic aromatic hydrocarbons in mainstream cigarette smoke by using a graphene coated solid-phase micro extraction (SPME) technique followed by gas chromatography-mass spectrometry (GC/MS)

    WANG Xiaoyu; GUO Jizhao; XIA Qiaoling; DING Li; XIE Fuwei; ZHANG Xiaobing; LIU Huimin; WANG Hongbo
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    A new method to determine the levels of 16 polycyclic aromatic hydrocarbons (PAHs) in mainstream cigarette smoke simultaneously and rapidly was developed. The method used SPME-GC/MS, wherein an in-house prepared graphene-coated fibre was used in SPME. ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 56

    Dose-effect relationship between main precursors and delivery of hydrocyanic acid in cigarette smoke and influencing factors of the same

    WANG Hongbo; XIA Qiaoling; XIE Fuwei; GUO Jizhao; CAO Depo; ZHAO Xiaodong; DING Li; YAN Quanping; LIU Kejian; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    With a home-made cigarette smoking simulator of rapid heating, the source of hydrocyanic acid (HCN) in cigarette smoke was studied. The effects of tobacco matrix, pyrolysis temperature, oxygen content in atmosphere, flow rate and heating rate on the yield ...
  3. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 36

    Determination of aromatic amines biomarkers of exposure to cigarette smoke in human urine using liquid chromatography- tandem mass spectrometry.

    YU Jingjing; WANG Sheng; ZHAO Ge; WANG Bing; DING Li; XIE Fuwei; ZHANG Xiaobing
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Many aromatic amines (AAs) are toxic compounds and/or suspected human carcinogens. Several AAs have been detected in mainstream cigarette smoke and environmental tobacco smoke, such as 1-naphthylamine (1-NA), 2-naphthylamine (2-NA), 3-aminobiphenyl (3-ABP ...
  4. Tobacco Science & Technology, 2011, 12, p. 56-60., ISSN.1002-0861

    Determination of resorcinol and other phenolic compounds in mainstream cigarette smoke by two-dimensional liquid chromatography

    YAN QUAN-PING; WANG SHENG; DING LI; ZHAO GE; GUO JI-ZHAO; XIE FU-WEI
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    Seven major phenolic compounds, including hydroquinone, resorcinol, catechol, phenol, m+p-cresol and o-cresol, in mainstream cigarette smoke were determined by liquid chromatography with two-dimensional column (2D-LC). The conditions of heart-cutting and ...
  5. CORESTA Meeting, Smoke Science/Product Technology, Aix-en-Provence, 2009, SSPT 24

    Novo435® lipase-catalyzed biosynthesis of glucose esters

    LI Peng; DING Li; ZENG Shitong; ZONG Yongli; SONG Yubing; YANG Chunqiang
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    In order to develop novel flavour enhancers for tobacco, a series of biosynthesis experimentations were carried out by using 6 common organic acids (iso-pentanoic acid, n-hexanoic acid, n-octanoic acid, lauric acid, propanedioic acid and malic acid) and ...
  6. Tobacco Science & Technology, 2009, 8, p. 35-7, ISSN.1002-0861

    Analysis of ethyl acetate and vinyl acetate in polyvinyl acetate emulsion adhesive

    XIA QIAO-LING; LIU HUI-MIN; DING LI
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    By investigating the influences of extraction solvents and application rates, extraction modes, demulsification, salting-out, polarity of chromatic columns and relative analytical conditions on the analytical results, a method for simultaneously ...
  7. CORESTA Congress, Shanghai, 2008, SSPT 40

    Identification of polar cuticular components on Oriental tobacco leaves by off-line two-dimensional liquid chromatography - mass spectrometry

    DING Li; XIE Fuwei; LIU Kejian; WANG Sheng; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Chemistry Dept, Zhengzhou, Henan, China.
    Off-line comprehensive two-dimensional liquid chromatography-mass spectrometry was established for identifying the polar fraction of cuticular components in Oriental tobacco. Normal-phase liquid chromatography was chosen for the fractionation of polar ...
  8. CORESTA Congress, Shanghai, 2008, SSPT 48

    Simultaneous determination of nicotine and nine nicotine metabolites in urine of smokers using liquid chromatography-tandem mass spectrometry

    XIE Fuwei; FAN Zhong; LIU Huimin; XIA Qiaolin; WANG Sheng; DING Li
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    A method based on liquid chromatography tandem mass spectrometry (LC-MSMS) was developed for the direct determination of nicotine, cotinine, trans-3'-hydroxycotinine, their corresponding glucuronide conjugates, as well as nornicotine, norcotinine, ...