Search Results

47 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 12 (also presented at TSRC 2018)

    Characterization of the Vitrocell® high throughput exposure modules using different tobacco product types

    LEVERETTE R.(1); KEYSER B.(2); SEYMOUR A.(2); HOLLINGS M.(2); BOMBICK B.(1)
    (1) RAI Services Company, Scientific & Regulatory Affairs, Winston-Salem, NC, U.S.A.; (2) Covance Laboratories Ltd, Harrogate, North Yorkshire, U.K.
    The development of whole smoke/aerosol exposure systems provides a means to conduct in vitro assessment of freshly generated whole smoke and aerosol from combustible and tobacco heating products (THP) as well as electronic nicotine delivery systems (ENDS) ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 13 (also presented at TSRC 2018)

    Genotoxicity evaluation of tobacco and nicotine delivery products: Part 1. Mouse lymphoma assay

    LEVERETTE R.(1); THORNE D.(2); BREHENY D.(2); FOWLER K.(1); McENANEY S.(3); LLOYD M.(3); CLEMENTS J.(3); BOMBICK B.(1); GACA M.(2)
    (1) RAI Services Company, Scientific & Regulatory Affairs, Winston-Salem, NC, U.S.A.; (2) British American Tobacco (Investments) Ltd., Southampton, U.K.; (3) Covance Laboratories Ltd, Harrogate, North Yorkshire, U.K.
    In vitro studies have been widely used to support the toxicological evaluation of chemicals and complex mixtures including cigarette smoke. In this study a variety of test matrices from different tobacco and nicotine delivery products was assessed against ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 14 (also presented at TSRC 2018)

    Genotoxicity evaluation of tobacco and nicotine delivery products: Part 2. In Vitro micronucleus assay

    LEVERETTE R.(1); THORNE D.(2); BREHENY D.(2); FOWLER K.(1); McENANEY S.(3); WHITWELL J.(3); CLEMENTS J.(3); BOMBICK B.(1); GACA M.(2)
    (1) RAI Services Company, Scientific & Regulatory Affairs, Winston-Salem, NC, U.S.A.; (2) British American Tobacco (Investments) Ltd., Southampton, U.K.; (3) Covance Laboratories Ltd, Harrogate, North Yorkshire, U.K.
    In vitro studies have been widely used to support toxicological evaluations of chemicals and complex mixtures including cigarette smoke. In this study a variety of test matrices from tobacco and nicotine delivery products were assessed against a 3R4F ...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 47

    Effect of ethanol concentration on chemical composition of tobacco extracts

    ZHENG Jianyu(1); LIU Changbo(1); ZHANG Wenjun(1); TENNIER J.(2); FU Yin(1); XIONG Zhen(1); CHEN Shaoquan(1); FENG Tao(1); WANG Yanhong(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.
    Ethanol is widely used as a solvent in the chemical, pharmaceutical, and biological industries, for the extraction of various natural products, including those from tobacco. In this study, an ethanol-water system with four different concentrations of ...
  5. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 62

    Nasal mucociliary clearance is a physiologically-relevant biomarker of tobacco effect/potential harm

    MAKENA P.; BAXTER S.; JONES B.A.; EVANS E.H.; CHEN P.; KREBS H.; GILL R.K.; PRASAD G.L.
    RAI Services Company, Winston-Salem, NC, U.S.A.
    Chronic cigarette smoking increases the risk of several diseases including chronic obstructive pulmonary disease (COPD). The pathophysiology of COPD can be attributed to multiple components: mucociliary dysfunction, airway inflammation and structural ...
  6. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 006

    Qualitative assessment of flavor ingredients in market electronic nicotine delivery systems

    HUDSON A.G.(1); CULBERT C.G.(2)
    (1) R.J. Reynolds Tobacco Company, Winston-Salem, NC, USA; (2) RAI Services Company, Winston-Salem, NC, USA
    As the use of electronic nicotine delivery systems (ENDS) grows, it may be useful to understand the types of flavor compounds that are being added as ingredients to the ENDS currently available on the market. A qualitative analysis of flavor compounds was ...
  7. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 012

    Equivalence testing in demonstrating substantial equivalence for new tobacco products

    FROST-PINEDA K.(1); CAMPBELL L.R.(1); POLSTER M.(2); CURTIN G.M.(1)
    (1) RAI Services Company, Winston Salem, NC, USA; (2) Naxion, Philadelphia, PA, USA
    Under Section 905j of the Tobacco Control Act, manufacturers must submit reports to the FDA to demonstrate that a new tobacco product is substantially equivalent (SE) to a “predicate product.” Demonstrating equivalence with traditional statistical ...
  8. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 014 (also presented at CORESTA 2018)

    Genotoxicity evaluation of tobacco and nicotine delivery products: Part 1. Mouse lymphoma assay

    LEVERETTE R.(1); BOMBICK B.(1); FOWLER K.(1); BREHENY D.(2); GACA M.(2); THORNE D.(2); CLEMENTS J.(3); LLOYD M.(3); McENANEY S.(3)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) British American Tobacco (Investments) Ltd., Southampton, UK; (3) Covance Laboratories Ltd, Harrogate, UK
    In vitro studies have been widely used to support the toxicological evaluation of chemicals and complex mixtures including cigarette smoke. In this study a variety of test matrices from different tobacco and nicotine delivery products was assessed against ...
  9. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 015 (also presented at CORESTA 2018)

    Genotoxicity evaluation of tobacco and nicotine delivery products: Part 2. In vitro micronucleus assay

    LEVERETTE R.(1); BOMBICK B.(1); FOWLER K.(1); BREHENY D.(2); GACA M.(2); THORNE D.(2); CLEMENTS J.(3); McENANEY S.(3); WHITWELL J.(3)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) British American Tobacco (Investments) Ltd., Southampton, UK; (3) Covance Laboratories Ltd, Harrogate, UK
    In vitro studies have been widely used to support toxicological evaluations of chemicals and complex mixtures including cigarette smoke. In this study a variety of test matrices from tobacco and nicotine delivery products were assessed against a 3R4F ...
  10. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 016 (also presented at CORESTA 2018)

    Characterization of the Vitrocell® high throughput exposure modules using different tobacco product types

    LEVERETTE R.(1); KEYSER B.(1); BOMBICK B.(1); HOLLINGS M.(2); SEYMOUR A.(2)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) Covance Laboratories Ltd, Harrogate, UK
    The development of whole smoke/aerosol exposure systems provides a means to conduct in vitro assessment of freshly generated whole smoke and aerosol from combustible and tobacco heating products (THP) as well as electronic nicotine delivery systems (ENDS) ...