Search Results - "Giamarchi, P"

Development of a new automatic on-site detector of pesticides in natural waters by photo induced fluorescence, application to three phenylurea and benzoylurea herbicide by Bakhoum, J.P., Mbaye, O.M.A., Diaw, P.A., Mbaye, M., Cisse, L., Gaye-Seye, M.D., Aaron, J.-J., Coly, A., Le Jeune, B., Giamarchi, P.

“…Prototypes of on-site automatic photo induced fluorescence detectors of pesticide in natural waters are set up and applied for the determination of the…”
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Determination of iron in seawater by electrothermal atomic absorption spectrometry and atomic fluorescence spectrometry: A comparative study by Cabon, J.Y., Giamarchi, P., Le Bihan, A.

“…Two methods available for direct determination of total Fe in seawater at low concentration level have been examined: electrothermal atomization atomic…”
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Determination of phenylurea pesticides by direct laser photo-induced fluorescence by Diaw, P.A., Maroto, A., Mbaye, O.M.A., Gaye-Seye, M.D., Stephan, L., Coly, A., Deschamps, L., Tine, A., Aaron, J.J., Giamarchi, P.

“…A direct Laser Photo-Induced Fluorescence (DL-PIF) method is developed for the determination of two phenylurea pesticides, namely fenuron and diflubenzuron…”
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A new direct laser photo-induced fluorescence method coupled on-line with liquid chromatographic separation for the simultaneous determination of anilides pesticides by Mbaye, O.M.A., Maroto, A., Gaye-Seye, M.D., Stephan, L., Deschamps, L, Aaron, J.J., Giamarchi, P.

“…A new direct laser photo-induced fluorescence high performance liquid chromatography (DL-PIF–HPLC) method is developed for the simultaneous determination of…”
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Direct fluorescence monitoring of coal organic matter released in seawater by Jaffrennou, C, Stephan, L, Giamarchi, P, Cabon, J Y, Burel-Deschamps, L, Bautin, F

“…Whenever immersed in seawater after a collier accident, a fossil fuel such as coal could become a source of pollution to the marine environment. To study the…”
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Simulations of accidental coal immersion by Jaffrennou, Cathy, Giamarchi, Philippe, Cabon, Jean-Yves, Stephan, Ludovic, Burel-Deschamps, Laure, Bautin, François, Thomas, Annabelle, Dumont, Julien, Floch, Stéphane Le

“…Coal is currently becoming an increasingly interesting fossil energy resource and that is the reason why its maritime transport, and hence the risk of collier…”
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Molecular and atomic ultra trace analysis by laser induced fluorescence with OPO system and ICCD camera by Burel, L., Giamarchi, P., Stephan, L., Lijour, Y., Le Bihan, A.

“…This paper presents a synthesis of some analytical potentialities of an equipment designed for both laser induced molecular and atomic fluorescence in the…”
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Laser-induced fluorescence with an OPO system. Part I. Optimisation of the analytical system by use of experimental design methodology. Application to the direct quantification of traces of benzo[ a]pyrene by Giamarchi, P, Burel, L, Stephan, L, Lijour, Y, Le Bihan, A

“…This study deals with the optimisation and application of a method for direct analysis of trace pollutants in water by laser-induced fluorescence. The…”
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Characterization of the vertical size distribution, composition and chemical properties of dissolved organic matter in the (ultra)oligotrophic Pacific Ocean through a multi-detection approach by Fourrier, P., Dulaquais, G., Guigue, C., Giamarchi, P., Sarthou, G., Whitby, H., Riso, R.

“…This work presents a multi-analytical approach for the characterization of marine dissolved organic matter (DOM). The determination of marine dissolved organic…”
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Experimental design methodology and data analysis technique applied to optimise an organic synthesis by Guervenou, J, Giamarchi, P, Coulouarn, C, Guerda, M, Le Lez, C, Oboyet, T

“…The study reported here was aimed at maximising the yield of a Michaelis–Becker dibromoalkane monophosphorylation reaction. In order to spare time and save…”
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Laser-induced fluorescence with an OPO system. Part II: direct determination of lead content in seawater by electrothermal atomization-laser-excited atomic fluorescence (ETA-LEAF) by Le Bihan, A, Lijour, Y, Giamarchi, P, Burel-Deschamps, L, Stephan, L

“…Fluorescence was induced by coupling a laser with an optical parametric oscillator (OPO) to develop an analytical method for the direct determination of lead…”
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Improvements in the determination of nanomolar concentrations of aluminium in seawater by electrothermal atomic absorption spectrometry by Salomon, S, Giamarchi, P, Le Bihan, A, Becker-Roß, H, Heitmann, U

“…The optimization in two steps of seven adjustable parameters through experimental designs associated to an optimal and individualized processing of atomization…”
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Direct determination of aluminum content in seawater by electrothermal atomization-laser excited atomic fluorescence by Le Bihan, A, Lijour, Y, Giamarchi, P, Burel-Deschamps, L, Stephan, L

“…The development of an analytical method for the direct determination of ultra trace content of aluminum in seawater by electrothermal atomization-laser excited…”
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Electrothermic factors optimization in electrothermal atomic absorption spectrometry via an optimal experimental design matrix by Le Garrec, Hélène, Giamarchi, Philippe, Cabon, Jean-Yves, Le Bihan, Alain

“…A new approach is proposed to optimize some instrumental electrothermic parameters, i.e. injected volume, calcination duration, calcination and atomization…”
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Combination of photoinduced fluorescence and GC–MS for elucidating the photodegradation mechanisms of diflubenzuron and fenuron pesticides by Diaw, Pape A., Mbaye, Olivier M.A., Thiaré, Diene D., Oturan, Nihal, Gaye‐Seye, Mame Diabou, Coly, Atanasse, Le Jeune, Bernard, Giamarchi, Philippe, Oturan, Mehmet A., Aaron, Jean‐Jacques

“…Diflubenzuron (DFB) and fenuron (FEN) are benzoylurea and phenylurea pesticides, widely used in Senegal, that do not exhibit any natural fluorescence, but can…”
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Determination of phenylurea pesticides by direct laser photo-induced fluorescence by Diaw, P.A., Maroto, A., Mbaye, O.M.A., Gaye-Seye, M.D., Stephan, L., Coly, A., Deschamps, L., Tine, A., Aaron, J.J., Giamarchi, P.

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Study of trace metal leaching from coals into seawater by Cabon, Jean Yves, Burel, Laure, Jaffrennou, Cathy, Giamarchi, Philippe, Bautin, François

“…The behaviour of three South African coals in water and, particularly in seawater, was examined. A sequential speciation procedure used to evaluate trace metal…”
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Comparison of the classical and laser photo-induced fluorescence methods for the determination of some phenylurea pesticides by Diaw, P.A., Gaye-Seye, M.D., Coly, A., Tine, A., Maroto, A., Giamarchi, P., Aaron, J.J.

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Spectroscopic factors optimization in electrothermal atomic absorption spectrometry via an optimal experimental design matrix by Le Garrec, Hélène, Giamarchi, Philippe, Cabon, Jean-Yves, Appriou, Pierre, Le Bihan, Alain

“…A method, fast and simple to carry out, is proposed to optimize the instrumental spectroscopic parameters, such as bandpass, lamp current and monochromator…”
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Use of radiation-induced alkanes and alkenes to detect irradiated food containing lipids by Lesgards, G. (Faculte des Sciences et Techniques de Saint-Jerome, Marseille), Raffi, J, Pouliquen, I, Chaouch, A.A, Giamarchi, P, Prost, M

“…To detect irradiated foodstuffs, we used the Nawar relation between lipid structure and radiolysis compounds, such as alkanes and alkenes. We first applied…”
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