Search Results

95 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 12

    Puff resolved determination of selected constituents in the aerosol of commercially available tobacco heating products using photoionisation mass spectrometry

    EHLERT S.(1,2); HEIDE J.(2); WALTE A.(1); ZIMMERMANN R.(2)
    (1) Photonion GmbH, Schwerin, Germany; (2) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany
    Commercially available tobacco heating products (THPs) are somehow hybrids between conventional cigarettes and e-cigarettes, as tobacco material is not burnt, but heated. Although the first THPs were coal heated and launched decades ago, currently ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 43

    On-line puff resolved analysis of cigarette smoke, e-cigarette vapour and vapour of tobacco heating products

    ZIMMERMANN R.(1); EHLERT S.(1,2); HEIDE J.(1); WALTE A.(2)
    (1) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany; (2) Photonion GmbH, Schwerin, Germany
    Photo ionisation-time of flight mass spectrometry (PI-TOFMS) has been established for on-line analysis of complex gas mixtures. Cigarette smoke, e cigarette vapour and the vapour of tobacco heating products provide good examples for such complex gas ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 45

    Time and spatially resolved in-situ temperature and pressure measurements with soft ionisation mass spectrometry inside a burning superslim cigarette. Part II – thermochemical mapping

    EHLERT S.(1,3); CUI Huapeng.(2); HEIDE J.(3); XIE Fuwei(2); DENG Nan(2); LIU Chuan(4); McADAM K.(4); WALTE A.(1); ZIMMERMANN R.(3)
    (1) Photonion GmbH, Schwerin, Germany; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany; (4) British American Tobacco, R&D Centre, Southampton, U.K.
    Superslim cigarettes are an increasingly popular category of cigarettes in China. Accurate measurements of key thermophysical and thermochemical parameters in superslim cigarettes is essential for mechanistic understanding of pyrolysis processes, thermal ...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 49

    Vacuum photoionisation TOF-MS as technique to analyze complex gas mixtures on-line and in real time

    EHLERT S.(1,2); HEIDE J.(2); WALTE A.(1); ZIMMERMANN R.(2)
    (1) Photonion GmbH, Schwerin, Germany; (2) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany
    Within the last few years e cigarettes and other new smoking/vaping products have become more and more commonly used. There are two general ionization techniques that are covered by vacuum Photo-Ionization Time-of-Flight Mass-Spectrometry (PI-TOFMS). On ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 20

    Single and resonance enhanced multi photon ionization mass spectrometry for the investigation of product use behaviour of e-cigarettes and heat-not-burn products

    EHLERT S.(1,2); HEIDE J.(2); WALTE A.(1); ZIMMERMANN R.(2)
    (1) Photonion GmbH, Schwerin, Germany; (2) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany
    Over the last few years, e-cigarettes and other innovative smoking/vaping products have become more and more commonly used. Whereas most manufacturers increase the safety and reliability of their products, there are consumers modifying devices in an ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 44

    Investigation of tetrahydrocannabinol (THC) in smoke by application of an online photo ionisation mass spectrometry

    EHLERT S.(1,2); HEIDE J.(2); WALTE A.(1); ZIMMERMANN R.(2)
    (1) Photonion GmbH, Schwerin, Germany; (2) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany
    Photoionisation time of flight mass spectrometry (PI-TOFMS) is well suited for online characterisation of tobacco smoke. Depending on the photoionisation method (single photon ionisation, SPI or resonance-enhanced multiphoton ionisation, REMPI) smoke ...
  7. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 54

    The regulation of autophagy of susceptible Nicotiana tabacum under tobacco mosaic virus infection

    YANG Jinguang(1); LIU Xaingfu(1); LIU Wei(1); QIAN Yumei(1); ZHANG Jing(2); LI Wei(2); DONG Shifei(2); WANG Yaofeng(3); HUANG Mingdi(4); WANG Fenglong(1)
    (1) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Qingdao, P.R. China; (2) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Qingyang Branch of Gansu Province Tobacco Company, Xifeng, P.R. China; (4) Longnan Tobacco Company, Gansu Tobacco Cooperation, Wudu 746000, P.R. China
    Autophagy (or self-eating) is an important conserved process by which eukaryotic cells recycle intracellular components. This study was undertaken to elucidate whether tobacco mosaic virus (TMV) infection on tobacco plants induced autophagy. TMV-U1 and ...
  8. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 45

    Soft-ionisation mass spectrometric on-line analysis of e-cigarette and heat-not-burn tobacco product vapours and pyrolysis products

    EHLERT S.(1,2); HEIDE J.(2); BENTE v FROWEIN M.(1); WALTE A.(1); ZIMMERMANN R.(2)
    (1) Photonion GmbH, Schwerin, Germany; (2) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany
    Within the last few years, e-cigarettes and other new smoking/vaping products have became more and more commonly used. Glycerol (VG) and propylene glycol (PG) are two important ingredients used in e-cigarettes and heat-not-burn (HnB) products either as ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 27

    Analysis of process intensity on tobacco moisture retention based on uniform design

    LI Wenjuan(1); ZHOU Fangfang(1); LONG Minghai(1); ZI Wenhua(1); JIANG Meihong(1); LIU Ze(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, Yunnan, P.R. China; (2) Hongyun Honghe Group, Kunming, Kunming, P.R. China
    Tobacco moisture retention provides essential information about moisture adsorption behaviour and physical characteristics of cigarette formulating, which also influence cigarette aroma and smoking quality. Effect of the intensity of the casing process on ...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 34

    On-line puff resolved analysis of e-cigarette vapours and heat-not-burn tobacco products

    ZIMMERMANN R.(1); EHLERT S.(1,2); WOLTER J.M.(1); HEIDE J.(1); WALTE A.(2); BENTE M.(2); STREIBEL T.(1)
    (1) Chair of Analytical Chemistry, University of Rostock, Rostock, Germany; (2) Photonin GmbH, Schwerin, Germany
    Photo ionisation-time of flight mass spectrometry (PI-TOFMS) has been established for on-line, puff-resolved characterisation of cigarette smoke. For example many toxicants, such as butadiene, acetaldehyde, naphthalene, phenol or polycyclic aromatic ...