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138 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 23

    A statistical analysis of variability in polyaromatic hydrocarbons (PAHs) from reference and commercial cigarettes

    WAGSTAFF W.; RICKERT W.; JOZA P.
    Labstat international ULC, Kitchener, Ontario, Canada
    This study was conducted to characterize the variability of mainstream PAH emissions data and to investigate the ability to detect differences amongst products. The mainstream yields of a reference cigarette (Kentucky Reference 3R4F) were obtained for a ...
  2. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 049

    Assessment of in vitro toxicity/genotoxicity of ends and combustible products

    JORDAN K.(1); BOMBICK B.(1); COOPER B.(1); LEVERETTE R.(1); SHUTSKY T.(1); WEST C.(1); STRASSER J.(1); ROUND E.(1); MARANO K.M.(1); MOMIN R.(2); TRIVEDI A.(2); WAGSTAFF W.(2); BRUCE S.(3); DAKOULAS E.(3); ROY S.(3)
    (1) RAI Services Company, Winston-Salem, NC, USA; (2) Labstat International ULC, Kitchener, ON, Canada; (3) BioReliance Corp, Rockville, MD, USA
    In May 2016, the U.S. Food and Drug Administration Center for Tobacco Products (CTP) issued draft guidance for Premarket Tobacco Product Applications (PMTA) for Electronic Nicotine Delivery Systems (ENDS), which recommends inclusion of in vitro toxicology ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 02

    Reverse logistics - receiving program for empty containers of pesticides from tobacco growers in southern Brazil

    SEHN C.A.
    SindiTabaco - Interstate Tobacco Industry Union, Santa Cruz do Sul, RS, Brazil
    The Brazilian legislation, through Decree 4.074/2002, has determined that users of agrochemicals and related products should return the empty containers and their covers to the commercial establishments where they were purchased. This legislation also ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 22

    Evaluation of soil solarisation as a tool for Integrated Pest Management (IPM) in small tobacco farms in southern Brazil

    BERGER I.J.(1); OLIVEIRA G.H.N.(1); SEHN C.A.(1); SILVA D.J.(1); TEIXEIRA D.V.(1); SARTORI L.(1); SCHMITT M.A.(1); COUGO L.F.(1); FRANCHINI E.(1); CHAVES I.C.P.V.(2); CHAVES L.C.S.V.(2); CARDOZA Y.F.(3); ANDRADE C.C.L.(3); DUARTE V.(3); SANTIN R.C.M.(3)
    (1) SindiTabaco - Interstate Tobacco Industry Union, Santa Cruz do Sul, RS, Brazil; (2) SANTAGRO, Santa Cruz Agrícola Comercial Ltda, Santa Cruz do Sul, RS, Brazil; (3) Agronômica - Phytosanitary Laboratory and Consulting, Porto Alegre, RS, Brazil
    Soil solarisation has a successful history as an environmentally friendly tool for IPM using solar power to control a range of soilborn plant pathogens. Therefore, this technique was evaluated in tobacco production areas in southern Brazil as a ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 19

    An alternative strategy for the determination of pH values of aerosol from electronic cigarettes

    JOZA P.; MOHAMMAD A.; RICKERT W.S.
    Labstat International ULC, Kitchener, ON, Canada
    Any pH determination to measure the effective acid-base properties of an aerosol is dependent on the measurement technique. Determinations of aerosol pH using puff-by-puff collections are influenced by the buffer used to condition the electrode, while ...
  6. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 047

    The impact of 2, 4-dinitrophenylhydrazine (DNPH) background in the determination of carbonyls compounds in e-cigarette vapor

    DONISA C.; JOZA P.; RODRIGUEZ-LAFUENTE A.; RICKERT W.S.
    Labstat International, Kitchener, ON, Canada
    Carbonyl compounds, are known to be present in some e-liquid formulations and can be formed during aerosol generation. Analysis of these compounds, as their hydrazones (2,4-dinitrophenylhydrazine; DNPH) are routinely performed using high performance ...