Search Results

28 results

  1. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 097

    Evaluation of mainstream cigarette smoke components yields of different cigarette types based on principal component analysis

    LI Zhonghao; YANG Fei; LIU Shanshan; FAN Ziyan; WANG Ying; BIAN Zhaoyang; DENG Huimin; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision & Test Center, Zhengzhou, China
    The feasibility of using Principal Components Analysis (PCA) in order to analyze a complex cigarette smoke mixture, seven cigarette mainstream smoke components, including carbon monoxide (CO), 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), Benzo(a ...
  2. 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. Therefore a ...
  3. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 54

    Determination of 9 aromatic amines in mainstream smoke by dispersive liquid phase microextraction and gas chromatography mass spectrometry

    DENG Huimin; LI Zhonghao; YANG Fei; FAN Ziyan; HENG Yingying; JIANG Xingyi; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
    A new method for the rapid and simultaneous determination of nine aromatic amines in mainstream cigarette smoke by dispersive liquid phase microextraction (LPME) coupled with gas chromatography/mass spectrometry (GC/MS) was developed. The measured ...
  4. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 47

    Influence of measurement uncertainty on recommended regulation for cigarette smoke contents

    LI Zhonghao; HU Qingyuan; TANG Gangling; YANG Fei; PANG Yongqiang; FAN Ziyan; ZHANG Hongfei; LIU Shanshan; BIAN Zhaoyang; JIANG Xingyi; ZHANG Wei; CHEN Huan; CHEN Zaigen
    China National Tobacco Quality Supervision & Test Center, Zhengzhou, Henan, China
    According to the WHO recommended regulation for 9 priority toxicants in cigarette smoke, the collaborative study on specific analysis methods was achieved in 2014. The results of precision under reproducibility condition showed that the Reproducibility ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 43

    A quantum dot-labelled immunoassay for assessing the in vitro genotoxicity of cigarette smoke based on quantitative detection of γH2AX

    CHEN Huan; LIU Tong; HAN Shulei; ZHANG Xiaotao; HOU Hongwei; HU Qingyuan
    China National Quality Supervision and Test Center, Zhengzhou, P.R. China
    Phosphorylation of histone H2AX (γH2AX) is a sensitive marker of activated DNA damage involving the formation of double-strand breaks. A novel quantum dot-labelled immunoassay was developed for profiling the genetic toxicity of cigarette smoke based on ...
  6. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPT 26 (Poster)

    Determination of CEMA and HEMA in urine of restrictive smokers

    HOU Hong-wei; XIONG Wei; ZHANG Xiao-tao; TANG Gang-ling; HU Qing-yuan
    China National Tobacco Quality Supervision & Test Center, Zhengzhou High-Tech Industrial Development Zone, Zhengzhou, Henan, P.R. China
    Acrylonitrile is a reactive volatile compound, which is cytotoxic, mutagenic and possibly carcinogenic to humans. A major source for the non-occupational exposure to acrylonitrile is tobacco smoke. The major metabolites of acrylonitrile in human urine are ...
  7. Tobacco Science & Technology, 2012, 1, p. 43-46., ISSN.1002-0861

    Determination of K+, Ca2+, and Mg2+ in tobacco with dry ashing-ion chromatography

    WANG Ying(1); ZHANG Wei(1); LI Xue(1); LI Li(2); WEI Zhao(3); TANG Gangling(1); HU Qingyuan(1)
    (1) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; (2) Technology Center, China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; 3. Technology Center, Shenzhen Cigarette Factory, Shenzhen 518109, Guangdong, P.R. China
    A method for simultaneously determining the contents of potassium, calcium and magnesium in tobacco with dry ashing-ion chromatography was developed. The results showed that: the relative standard deviations of potassium, calcium and magnesium were lower ...
  8. Tobacco Science & Technology, 2012, 10, p. 51-55, ISSN.1002-0861

    Differences between and cluster analysis of heavy metal contents in tobacco leaves from ten tobacco producing provinces in China

    ZHANG Xiaojing(1); QIN Cunyong(2); ZHU Fengpeng(3); CHEN Weihua(1); HU Qingyuan(*3)
    (1) Technology Center, China Tobacco Hebei Industrial Co., Ltd., Shijiazhuang 050051, P.R. China; (2) Hebei Baisha Tobacco Co., Ltd., Shijiazhuang 050035, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    The comparison and cluster analysis of Cr, Ni, Cu, As, Cd, Tl and Pb contents in 100 samples of flue-cured tobacco leaves from 100 areas in 10 provinces of China were conducted for investigating the content and distribution of heavy metals in flue-cured ...
  9. Tobacco Science & Technology, 2012, 11, p. 45-50, ISSN.1002-0861

    Simultaneous determination of 6 antiseptics in tobacco with LC-MS/MS method

    YANG Fei; BIAN Zhaoyang; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    A method basing on high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) was developed for determining the antiseptic residues in tobacco. The analytes extracted from tobacco samples were separated on C18 column (150 mm×2.1 mm×3 μm) ...
  10. Tobacco Science & Technology, 2012, 2, p. 29-32., ISSN.1002-0861

    Determination of benzo[a]pyrene in mainstream cigarette smoke by HPLC

    CHENG Qian(1); ZHANG Hongfei(2); HOU Hongwei(2); HU Qingyuan(2); TANG Gangling(2)
    (1) Technology Centre of China Tobacco Hebei Industrial Co., Ltd., Shijiazhuang 050051, P.R. China; (2) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    A high performance liquid chromatography with fluorescence detection for determining the benzo[a]pyrene in mainstream cigarette smoke was developed. The extraction, clean up with Florisil and chromatographic conditions were tested. The Kentucky reference ...