Search Results

5 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 52

    Investigation of nicotine release behaviour of tobacco chewing gum in oral cavity by a novel simulated oral dissolution device

    YANG Ji; YANG Liu; ZHAO Wei; TANG Jianguo; ZHOU Kun; ZHU Baokun; DUAN Yuanxing; ZHAO Yang; TIAN Yongfeng; CHEN Yongkuan; MIAO Mingming
    Yunnan Industrial Co., Ltd of CNTC, Research & Development Center, Kunming, P.R. China
    For studying the nicotine release behaviours of smokeless tobacco products in the oral cavity, a controllable and reliable method was established and a novel simulated oral dissolution device was designed. Taking the in vivo nicotine dissolution...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 11

    Investigation of gene expression profile of cells after e-cigarette and cigarette smoke exposure

    TIAN Yongfeng; DUAN Yuanxing; ZHAO Wei; YANG Ji; ZHAO Yang; ZHU Donglai; ZHANG Xia; GONG Xiaowei; HONG Liu; MIAO Mingming; YANG Liu; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, Technical and Research Center, Yunnan, P.R. China
    To evaluate the cellular damage caused by e-cigarettes (e-cigs) and combustible cigarettes with respect to inflammatory expression, comparative analysis between two types of e-cigs and three types of combustible cigarettes were conducted. The aerosol...
  3. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 44

    Investigation of pyrolysis behaviour of lutein in air by thermo gravimetry-single drop micro extraction-gas chromatography-mass spectrometry

    YANG Ji; YANG Liu; WU Yiqin; MIAO Mingming; ZHE Wei; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, R&D Center, Kunming, P.R. China
    To investigate the pyrolysis behaviour of lutein in air, an automatic single drop micro extraction (SDME) device for trapping the released fractions was designed and coupled with thermo gravimetry-gas chromatography-mass spectrometry. According to...
  4. CORESTA Congress, Shanghai, 2008, SSPT 41

    Simultaneous determination of six solvent residues in cigarette packaging materials by purge-and-trap connected with tandem dual detector-gas chromatography

    YANG Liu; MIAO Mingming; SUN Lin; MENG Zhaoyu
    HongTa Tobacco Group Co., R&D, Yuxi, Yunnan, China
    A capillary gas chromatography for the simultaneous determination of solvent residues in cigarette packaging materials was developed by the purge-and-trap sampling technology and tandem PID/FID (Photoionization/Flame Ionization Detector). The...
  5. CORESTA Meeting, Smoke Science/Product Technology, Jeju, 2007, SSPT 30

    Investigation of the thermal decomposition and pyrolysis behaviour of monomenthyl succinate by non-isothermal TGA and on-line PyGC/MS

    YANG Liu; MIAO Mingming; WU Yiqin; XIANG Nengjun
    HongTa Tobacco Group Co., R&D, Yuxi, Yunnan, China
    The thermal decomposition and pyrolysis behaviour of a natural flavorous compound, monomenthyl succinate, were investigated by non-isothermal thermogravimetry (TGA) and on-line pyrolysis gas chromatography/mass spectrometry (PyGC/MS). The kinetic...