Search Results

43 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 17

    Determination of eight carbonyl compounds in e-liquids for electronic cigarettes by LC-MS/MS

    PAN Lining; LIU Shaofeng; ZHAO Le; YU Jingjing; LIU Kejian; FAN Meijuan; CHEN Li; WANG Hongbo; GUO Junwei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    A liquid chromatography tandem mass spectrometry (LC-MS/MS) method was developed to simultaneously determine eight carbonyl compounds (formaldehyde, acetaldehyde, acetone, acrolein, propionaldehyde, crotonaldehyde, 2-butanone, butyraldehyde) in e-liquids ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 26

    Dynamic determination of nicotine and 11 metabolites in brain and blood of rat by simultaneous microdialysis coupled with UHPLC-HRMS

    MAO Jian; SUN Shihao; LU Binbin; LI Peng; LIU Junhui; ZENG Shitong; ZHANG Qidong; CHAI Guobi; XI Hui; ZHANG Jianxun
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    Nicotine is the most specific cigarette smoke component and plays a key role in tobacco addiction. Nicotine dependence based on neuropharmacology effects is closely associated with nicotine metabolism. Although peripheral metabolism of nicotine has been ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 10

    Methods for characterising morphological and structural variations of cut tobacco in cigarettes during smoking

    WANG Liang(1); YIN Donghong(1); XIE Guoyong(1); LI Bin(2); TAN Xinliang(1); DU Wen(1)
    (1) Hunan Industrial Co., Ltd of CNTC, Research and Development Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The morphological and structural variations of cut tobacco significantly influence the state of a burning cigarette and the formation of smoke constituents. A series of new methods for characterising the micro-structure of cut tobacco, planar structure of ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 12

    Study on vaporisation temperature of electronic cigarette

    CUI Huapeng; ZHAO Le; FAN Meijuan; LIU Shaofeng; CHEN Li; CAI Junlan; QIN Yaqiong; DING Xue; JIANG Zhicai
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (2) China Tobacco Zhejiang Industrial Co., Ltd, Hangzhou, Zhejiang, P.R. China
    The vaporisation temperature of electronic cigarettes (e-cigarettes) affects the release and migration of harmful components in e-cigarettes greatly. Therefore a method for measuring the vaporisation temperature was established based on a thermocouple to ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 13

    The comparative assessment of e-cigarettes and cigarettes on cytotoxicity and proinflammatory cytokine secretion level using an air-liquid interface system

    HUA Chenfeng; QIAO Liangjun; KANG Yu; ZHAO Junwei; QIN Yaqiong; CUI Huapeng; SHANG Pingping; LIU Huimin; LI Xiang; XIE Fuwei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    Electronic cigarettes (e-cigarettes), as an alternative to combustible cigarettes, have become more and more popular. In this study, the cytotoxic and proinflammatory cytokine secretion response of e-cigarette vapour (e-vapour) and traditional cigarette ...
  6. 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 ...
  7. 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 ...
  8. 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 ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 28

    Quantitative analysis of organic compounds in gas phase of mainstream cigarette smoke with on-line atmospheric pressure chemical ionisation tandem mass spectrometry

    SUN Shihao; JIANG Chengyong; WANG Hui; ZONG Yongli; ZHANG Jianxun
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    In order to measure selected organic compounds in cigarette smoke which might possess potential risks to human health and the environment, a tandem mass spectrometry method was developed and applied in the on-line analysis of mainstream cigarette smoke ...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 31

    Retention distribution patterns of nicotine and phenolic compounds in filters

    WEN Jianhui(1); DU Wen(1); PENG Bin(2); ZHANG Xiaobing(2); XIE Fuwei(2); LIU Huimin(2); ZHONG Kejun(1)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The retention distribution patterns of nicotine and seven phenolic compounds in cigarette filters were studied. The nicotine and seven phenolic compounds retained in each segment were quantitatively analysed after the filters were transversely and ...