Search Results

350 results

  1. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 13

    Determination of harmful components in mainstream cigarette smoke by FT-NIR spectrometry equipped with Cambridge filter pads

    REN Jianxin(1); WANG Zhiguo(1); LIU Wei(1); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2); HU Qingyuan(3)
    (1) Hunan Industrial Co., Ltd. of CNTC, Technonlgy Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou, Henan, P.R. China
    The yields of harmful components in cigarette smoke are basic parameters to evaluate the harm of cigarettes. However, the existing detection methods for most harmful components in mainstream cigarette smoke are complicated and time consuming....
  2. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 26

    A review of aerosol exposure systems relative to the analysis of cytotoxicity: a CORESTA In vitro Toxicity Testing Sub-Group perspective

    THORNE D.(1); WIECZOREK R.(2); FUKUSHIMA T.(3); SHIN H.J.(4); LEVERETTE R.(5); BALLANTYNE M.(6); LI X.(7); BOMBICK B.(5)
    (1) British American Tobacco, R&D Centre, Southampton, U.K.; (2) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (3) Japan Tobacco Inc., Scientific Product Assessment Centre, Yokohama, Kanagawa, Japan; (4) KT&G Corporation, Daejeon, South Korea; (5) RAI Services Company, Winston-Salem, NC, U.S.A.; (6) Covance Laboratories Ltd, Harrogate, U.K.; (7) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Aerosol exposure systems offer researchers a variety of ways to customise the exposure set-up, modify experimental parameters and provide a novel and versatile platform for in vitro aerosol research. These systems produce an aerosol that more closely...
  3. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 39

    Estimation of smokers’ mouth level exposure to cigarette smoke with filter analysis method

    CAI Junlan; PENG Bin; WANG Bing; WANG Sheng; ZHAO Ge; YU Jingjing; GUO Junwei; ZHANG Xiaobing; XIE Fuwei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    Part-filter analysis method was used to estimate Chinese smokers' mouth level exposure (MLE) to nine chemical components in cigarette smoke. 1) A series of quantitative analysis methods for determining levels of nicotine, tar, solanesol and six...
  4. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 59

    Determination of nicotine and its metabolites in rat brain using microdialysis coupled with UHPLC-Q-Exactive high resolution mass spectroscopy

    MAO Jian; LU Binbin; LI Peng; LIU Junhui; ZHANG Wenjuan; HONG Guangfeng; HUO Xiankuan; SUN Shihao
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    In order to accurately determine nicotine (Nic) and its metabolites in rat brain, a method of microdialysis coupled with ultra high performance iquid chromatography-high resolution quadrupole-Orbitrap (UHPLC-Q-Exactive) mass spectrometry was...
  5. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 80

    Volatile components release characteristics of tobacco smoke under heating conditions

    ZENG Shitong(1); CUI Kai(1); LIU Shan(1); TANG Peipei(1); SUN Shihao(1); ZONG Yongli(1); ZHANG Jianxun(1); HU Anfu(2); YANG Jun(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China; (2) China Tobacco Zhejiang Industrial Co., Ltd, Zhejiang, China
    In order to investigate volatile components release characteristics of tobacco smoke under heating conditions, seven different tobacco samples including flue-cured tobacco (B2F, C3F, X2F), oriental tobacco (B1, B2) and burley tobacco (B2F, C3F) were...
  6. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 82

    Simultaneous determination of nicotine, 1,2-propylene glycol and glycerol in e-liquids by gas chromatography method

    CAI Junlan; CHEN Li; WANG Bing; PENG Bin; YU Jingjing; CUI Huapeng; ZHANG Xiaobing; LIU Huimin; LIU Shaofeng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    A gas chromatography method was developed for simultaneous determination of nicotine, 1,2-propylene glycol and glycerol in e-liquids. E-liquids were shaking extracted by isopropanol with two internal standards for 20 min, and then the extraction was...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 04

    Computational fluid dynamics simulation of cigarette smoke particulate phase retained by cigarette filter

    WEN Jianhui(1); DU Wen(1); ZHONG Kejun(1); ZHANG Xiaobing(2); PENG Bin(2); LIU Huimin(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    A computational fluid dynamics model was developed to simulate the flow and retention of cigarette smoke aerosol particulate phase in an acetate filter whilst using nicotine as a surrogate for the particulate phase of the mainstream smoke. A volume...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 47

    Molecular epidemiology of smoking behaviours among smokers of cigarettes with different tar yields

    ZHAO Junwei; XIE Fuwei; ZHAO Ge; KANG Yu; LIU Huimin; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Smoking behaviour is a comprehensive action with various smoking characters affected by sociological factors and cigarette itself. To investigate the smoking behaviours of smokers of different tar yield cigarettes, molecular epidemiology, including...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 49

    Selective reduction of hydrogen cyanide and crotonaldehyde in cigarette smoke with cholinium lysine ionic liquid

    ZHANG Zhan(1); MA Yuping(1); NIE Cong(2); HAO Hui(1); TIAN Haiying(1); SUN Xuehui(2); SONG Jinyong(1); LI Huaiqi(1)
    (1) China Tobacco Henan Industrial Co., Ltd. of CNTC, Zhengzhou, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    In order to selectively reduce deliveries of hydrogen cyanide (HCN) and crotonaldehyde (CRA) in cigarette smoke, 20 different natural amino acids were screened by a smoke test with 0.3 mmol/cig of amino acid used for cigarette with a small connection...
  10. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 111

    Analysis on immunotoxicity induced by cigarette smoke condensate by a rapid detection and evaluation method based on luminex liquichip

    KANG Yu(1); ZHAO Junwei(1); LI Xiang(1); YANG Zhihua(2); ZHU Maoxiang(2); LIU Huimin(1); XIE Fuwei(1)
    (1) Zhengzhou Tobacco Research Institute, Zhengzhou, P.R. China; (2) Institute of Radiation Medicine, Beijing, P.R. China
    Cigarette smoke consisted of thousands compounds while many of them are of immunotoxicity. In order to investigate the immunotoxicity of mainstream cigarette smoke, a rapid detection and evaluation method based on Luminex liquichip was developed for...