Search Results

11 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 42

    Study on aerosol deposition in the respiratory tract of consumers using cigarette, electronic cigarette or heat-not-burn product

    CUI Huapeng(1); LI Yawen(1); FAN Meijuan(1); CHEN Li(1); SI Xiaoxi(2); HAN Jingmei(2); CAI Junlan(1); LI Xiang(1); LIU Shaofeng(1); XIE Fuwei(1); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) R&D Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China
    The deposition of aerosols inhaled into the human respiratory tract is key to evaluate exposure and risk during product use. A method based on a differential mobility spectrometer (DMS) was established for determining the physical properties of smoke ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups (Workshop), STW 02

    Quantitative risk assessment (QRA)-based prioritization of mainstream cigarette smoke toxicants

    LI Xiang(1); SHANG Pingping(1); XIE Fuwei(1); ZHU Maoxiang(2); YANG Zhihua(2);NIE Cong(1); LIU Huimin(1); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (2) Beijing Institute of Radiation Medicine, Beijing, P.R. China
    In 2008, seven representative toxicants in mainstream cigarette smoke were screened and validated by China Tobacco to indicate the harmfulness of mainstream cigarette smoke, which included carbon monoxide (CO), hydrogen cyanide (HCN), 4-(N-methyl ...
  3. 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 ...
  4. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 098

    Oxidative stress and oxidative damage in human lung epithelial cells induced by total particulate matter extractions from three different tobaccos

    KANG Yu; QIAO Liangiun; HU Qiao; HUA Chenfeng; XIE Fuwei; SHANG Pingping; LI Xiang; ZHAO Junwei
    Zhengzhou Tobacco Research Institute, Zhengzhou, China
    Global sales and popularity of e-cigarettes have been growing rapidly in the past few years, but there is still a big share of conventional cigarettes and other tobacco products, which had led to the concerns about the toxicities of different tobacco ...
  5. 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 ...
  6. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 84

    Distribution of toxic chemicals in the different sized particles from mainstream cigarette smoke

    WANG Hongbo; LI Xiang; XIE Fuwei; PENG Bin; LIU Kejian; WANG Sheng; QIN Yaqiong; NIE Cong; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    It is important for the estimation of risk of cigarette smoke that the distribution of toxic chemicals is accurately measured in the different sized particles of cigarette smoke aerosol. An electrical low pressure impactor (ELPI) directly coupled with a ...
  7. Tobacco Science & Technology, 2012, 11, p. 42-44, ISSN.1002-0861

    Relationships between stalk position of tobacco leaves and deliveries of 7 harmful compounds in mainstream cigarette smoke

    PENG Bin; ZHAO Le; SUN Xuehui; SHANG Pingping; LI Xiang; NIE Cong
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the relationships between stalk positions and the deliveries of 7 harmful compounds, including CO, HCN, NNK, NH 3, B[a]P, phenol and crotonaldehyde, in mainstream cigarette smoke, cigarettes of the same hardness made of each single ...
  8. Tobacco Science & Technology, 2012, 2, p. 61-65., ISSN.1002-0861

    Effects of material’s parameters on deliveries of tar, nicotine, and CO in Mainstream Smoke of Virginia type cigarettes

    PENG Bin; SUN Xuehui; SHANG Pingping; ZHAO Le; LI Xiang; LI Ping; NIE Cong
    Zhengzhou Tobacco Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the relationships between cigarette materials and chemical components in mainstream cigarette smoke, the effects of grammage and air permeability of cigarette paper, air permeability of tipping paper and plug wrapper, and draw ...
  9. Tobacco Science & Technology, 2012, 5, p. 44-47, ISSN.1002-0861

    In vitro cytotoxicity assay for mainstream cigarette smoke with whole smoke exposure system

    LI Xiang; NIE Cong; SHANG Pingping; XIE Fuwei; LIU Huimin; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The method of in vitro cytotoxicity assay for mainstream cigarette smoke was established by using VITROCELL ® whole smoke exposure system associated with neutral red uptake assay. The cytotoxicity of mainstream cigarette smoke of 29 domestic and imported ...
  10. Tobacco Science & Technology, 2010, 11, p. 32-35., ISSN.1002-0861

    Effects of permeability of tipping paper and pressure drop of filter rod on cytotoxicity of cigarette smoke

    LI XIANG; SHANG PING-PING; ZHAO LE; PENG BIN; NIE CONG
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The cytotoxicity of smoke condensate (SC) of cigarettes with tipping paper of different permeability and filter rods of different pressure drop was tested by neutral red uptake assay, and the correlation between cytotoxicity of cigarette smoke and ...