Search Results

48 results

  1. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 03

    Agrobacterium T-DNA in Nicotiana tomentosiformis and other Nicotiana species

    CHEN K.(1); DORLHAC DE BORNE F.(2); SZEGEDI E.(3); OTTEN L.(1)
    (1) Department of Molecular Mechanisms of Phenotypic Plasticity, Institut de Biologie Moléculaire des Plantes du C.N.R.S., Strasbourg, France; (2) National Agricultural Research and Innovation Centre (NARIC), Research Institute for Viticulture and Enology, Experimental Station of Kecskemét, Hungary; (3) Imperial Tobacco Group, Institut du Tabac, Bergerac, France
    Agrobacterium rhizogenes induces growth of aberrant roots with bacterial T-DNA; some roots can spontaneously regenerate into plants carrying T-DNA fragments. T-DNAs contain genes that are expressed in plants which normally lead to root growth and to the ...
  2. CORESTA Congress, Edinburgh, 2010, SSPT 17

    GCxGC-MS characterisation of tobacco extracts: Classification and factors affecting the class maps

    VIAL J.; JOURNOUD P.; THIEBAUD A.; SASSIAT P.; TEILLET B.; CAHOURS X.; RIVALS I.
    ESPCI ParisTech, UMR CNRS UPMC PECSA, Laboratoire Sciences Analytiques, Bioanalytiques et Miniaturisation, Paris, France
    Comprehensive gas chromatography (GCxGC) appears as the preferred technique for the characterization of volatile compounds in tobacco samples. Indeed, GCxGC offers an enhanced separation power which results from the combination of two columns of different ...
  3. CORESTA Congress, Shanghai, 2008, SSPT 03

    Analysis of protein modifications induced by cigarette smoke

    LE FAOUDER P.; EMAMI I.; ROLANDO C.; TOKARSKI C.
    University of Sciences and Technologies of Lille, Laboratory of Organic and Macromolecular Chemistry, CNRS IMR 8009, Villeneuve d'Ascq, France
    We will present here work done on identification of protein modifications induced by cigarette smoke, particularly protein oxidation and nitration, using on-line nanoLC, ECD hyphenation on a FT-ICR instrument (Fourier Transform- Ion Cyclotron Resonance). ...
  4. CORESTA Congress, Shanghai, 2008, SSPT 07

    Identification and quantification of free radical content in cigarette smoke using nanoLC nano ESI FT-ICR MS/MS

    LE FAOUDER P.; TOKARSKI C.; EMAMI I.; ROLANDO C.
    University of Sciences and Technologies of Lille, Laboratory of Organic and Macromolecular Chemistry, CNRS IMR 8009, Villeneuve d'Ascq, France
    Cigarette smoke is a highly complex aerosol of several thousand chemical substances of which free radicals, short-life time molecules, are present in high concentration. In order to identify and quantify them, we have developed a new methodology based on ...
  5. CORESTA Congress, Shanghai, 2008, SSPTPOST 20

    Proteomics study of the influence of free radicals contents in cigarette smoke on culture cells

    LE FAOUDER P.; TOKARSKI C.; EMAMI I.; ROLANDO C.
    University of Sciences and Technologies of Lille, Laboratory of Organic and Macromolecular Chemistry, CNRS IMR 8009, Villeneuve d'Ascq, France
    The influence of free radicals from cigarette smoke on MCF-7 cell lines has been investigated in our laboratory using proteomics study. The work presented here will expose the comparison between untreated cells and cells incubated with conventional ...
  6. CORESTA Congress, Paris, 2006, PT 19

    Accelerated solvent extraction and supercritical fluid extraction coupled to comprehensive GCxGC for the analysis of volatile compounds in tobacco

    VIAL J.; THIEBAUT D.; SASSIAT P.; BELDEAN-GALEA M.S.; GOMEZ RAMOS M.J.; BOUZIGE M.
    ESPCI ParisTech, CNRS PECSA 7195, Laboratoire Environnement et Chimie Analytique, Paris, France
    Comprehensive GC×GC is a very powerful technique for complex sample analysis because a huge number of components can be separated according to carbon number and chemical classes. Two gas chromatography columns of different selectivities are connected via ...
  7. CORESTA Congress, Paris, 2006, PT 20

    Feature selection from near infrared spectra using genetic algorithms for tobacco blend recognition

    FIGUERES G.; DE SOUZA S.; REYNES C.; SABATIER R.; VIDAL B.
    Altadis Research Centre, Fleury-les-Aubrais, France
    Near infrared reflectance spectroscopy has proved to be very useful for predicting concentrations of chemical compounds in tobacco, classification or pattern recognition of cigarette blends. The resulting measurement of a sample is a whole reflectance ...
  8. CORESTA Congress, Paris, 2006, SS 01

    How representative of the human smoking behaviour would be the new alternative smoking regimes? A first attempt of assessment

    MARCHAND V.; TESSIER C.; DUMERY B.
    Altadis Research Centre, Fleury-les-Aubrais, France
    The ISO or FTC smoking conditions (35 mL- 2 s puffs, 1 puff per minute) have been more and more criticized during the last decade, especially because they would not reflect the human smoking behaviour. Their main objective was not to predict the exact ...
  9. CORESTA Congress, Paris, 2006, SS 13

    A mixture experimental design with six variables and the effects on smoke components:1 - Presentation of this experimental design and of some initial results on physical characteristics of cigarettes and blends

    VIDAL B.; FIGUERES G.; BIESSE J.P.; BREGEON B.; LOUVET F.; MUZELLEC L.
    Altadis Research Centre, Fleury-les-Aubrais, France
    The objective of this paper is to examine the effects of six tobacco components on the chemical and physical characteristics of blends and cigarettes and particularly on the mainstream smoke yields. First of all, we will develop the philosophy of this ...