Number of documents

21

Ingénieur d'Etudes en Chimie Analytique


Responsable technique des analyses de biogéochimie marine de l'équipe CYBELE du MIO

 

Expertise

Analyse automatique des sels nutritifs de l'eau de mer en flux continu segmenté à l'aide d'un auto-analyseur

Analyse de la matière organique dissoute et particulaire

 

Développement méthodogique

Amélioration des limites de detection de la mesure du phosphate dans l'eau de mer

Association d'une longue cuve LWCC et d'un auto-analyseur

 

Responsabilité

Co-responsable du Pôle Elements Biogènes (PEB) de la Plateforme Analyse de Chimie des Environnements Marin (PACEM)


Journal articles18 documents

  • Karine Leblanc, Veronique Cornet, Peggy Rimmelin-Maury, Olivier Grosso, Sandra Helias-Nunige, et al.. Silicon cycle in the tropical South Pacific: contribution to the global Si cycle and evidence for an active pico-sized siliceous plankton. Biogeosciences, European Geosciences Union, 2018, 15 (18), pp.5595-5620. ⟨10.5194/bg-15-5595-2018⟩. ⟨hal-01889901⟩
  • Sophie Bonnet, Mathieu Caffin, Hugo Berthelot, Olivier Grosso, Mar Benavides, et al.. In-depth characterization of diazotroph activity across the western tropical South Pacific hotspot of N<sub>2</sub> fixation (OUTPACE cruise). Biogeosciences, European Geosciences Union, 2018, 15 (13), pp.4215-4232. ⟨10.5194/bg-15-4215-2018⟩. ⟨hal-02024176⟩
  • Thibaut Wagener, Nicolas Metzl, Mathieu Caffin, Jonathan Fin, Sandra Helias Nunige, et al.. Carbonate system distribution, anthropogenic carbon and acidification in the western tropical South Pacific (OUTPACE 2015 transect). Biogeosciences, European Geosciences Union, 2018, 15 (16), pp.5221 - 5236. ⟨10.5194/bg-15-5221-2018⟩. ⟨hal-01868023⟩
  • Mar Benavides, Katyanne Shoemaker, Pia H. Moisander, Jutta Niggemann, Thorsten Dittmar, et al.. Aphotic N2 fixation along an oligotrophic to ultraoligotrophic transect in the western tropical South Pacific Ocean. Biogeosciences, European Geosciences Union, 2018, 15 (9), pp.3107-3119. ⟨10.5194/bg-15-3107-2018⟩. ⟨hal-01812049⟩
  • Thierry Moutin, Thibaut Wagener, Mathieu Caffin, Alain Fumenia, Audrey Gimenez, et al.. Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean. Biogeosciences, European Geosciences Union, 2018, 15 (9), pp.2961-2989. ⟨10.5194/bg-15-2961-2018⟩. ⟨hal-01801747⟩
  • Pierre Marrec, Gérald Grégori, Andrea M. Doglioli, Mathilde Dugenne, Alice Della Penna, et al.. Coupling physics and biogeochemistry thanks to high-resolution observations of the phytoplankton community structure in the northwestern Mediterranean Sea. Biogeosciences, European Geosciences Union, 2018, 15 (5), pp.1579 - 1606. ⟨10.5194/bg-15-1579-2018⟩. ⟨hal-01735426⟩
  • Mathieu Caffin, Thierry Moutin, Rachel Ann Foster, Pascale Bouruet-Aubertot, Andrea Michelangelo Doglioli, et al.. N2 fixation as a dominant new N source in the western tropical South Pacific Ocean (OUTPACE cruise). Biogeosciences, European Geosciences Union, 2018, 15 (8), pp.2565 - 2585. ⟨10.5194/bg-15-2565-2018⟩. ⟨hal-01790784⟩
  • K. Djaoudi, France van Wambeke, A. Barani, S. Hélias-Nunige, Richard Sempere, et al.. Atmospheric fluxes of soluble organic C, N, and P to the Mediterranean Sea: Potential biogeochemical implications in the surface layer. Progress in Oceanography, Elsevier, 2018, 163, pp.59-69. ⟨10.1016/j.pocean.2017.07.008⟩. ⟨hal-01787006⟩
  • Kahina Djaoudi, France van Wambeke, Laurent Coppola, Fabrizio d'Ortenzio, Sandra Helias-Nunige, et al.. Sensitive Determination of the Dissolved Phosphate Pool for an Improved Resolution of Its Vertical Variability in the Surface Layer: New Views in the P-Depleted Mediterranean Sea. Frontiers in Marine Science, Frontiers Media, 2018, 5, pp.234. ⟨10.3389/fmars.2018.00234⟩. ⟨hal-01838152⟩
  • Marc Tedetti, Lauriane Marie, Rüdiger Röttgers, Martine Rodier, France van Wambeke, et al.. Evolution of dissolved and particulate chromophoric materials during the VAHINE mesocosm experiment in the New Caledonian coral lagoon (south-west Pacific). Biogeosciences, European Geosciences Union, 2016, 13, pp.3283-3303. ⟨10.5194/bg-13-3283-2016⟩. ⟨ird-01326566⟩
  • H Berthelot, T Moutin, Stéphane l'Helguen, Karine Leblanc, S Hélias, et al.. Dinitrogen fixation and dissolved organic nitrogen fueled primary production and particulate export during the VAHINE mesocosm experiment (New Caledonia lagoon). Biogeosciences, European Geosciences Union, 2015, 12, pp.4099-4112. ⟨10.5194/bg-12-4099-2015⟩. ⟨hal-01231737⟩
  • M. Lasbleiz, Karine Leblanc, S. Blain, J. Ras, Veronique Cornet, et al.. Pigments, elemental composition (C, N, P, and Si), and stoichiometry of particulate matter in the naturally iron fertilized region of Kerguelen in the Southern Ocean. Biogeosciences, European Geosciences Union, 2014, 11 (20), pp.5931-5955. ⟨10.5194/bg-11-5931-2014⟩. ⟨hal-01664909⟩
  • Sandra Nunige, Renaud Cornut, Hassan Hazimeh, Fanny Hauquier, Christine Lefrou, et al.. Reactivity of Surfaces Determined by Local Electrochemical Triggering: A Bromo-Terminated Self-Assembled Monolayer. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2012, 51 (21), pp.5208-5212. ⟨10.1002/anie.201201083⟩. ⟨hal-00709269⟩
  • Hassan Hazimeh, Sandra Helias Nunige, Renaud Cornut, Christine Lefrou, Catherine Combellas, et al.. Surface Reactivity from Electrochemical Lithography: Illustration in the Steady-State Reductive Etching of Perfluorinated Surfaces. Analytical Chemistry, American Chemical Society, 2011, 83 (15), pp.6106-6113. ⟨10.1021/ac201255c⟩. ⟨hal-00709271⟩
  • Nadia Ktari, Sandra Helias Nunige, Ammar Azioune, Matthieu Piel, Carole Connan, et al.. Managing Micrometric Sources of Solvated Electrons: Application to the Local Functionalization of Fluorinated Self-Assembled Monolayers. Chemistry of Materials, American Chemical Society, 2010, 22, pp.5725-5731. ⟨10.1021/cm101915y⟩. ⟨hal-00699594⟩
  • Catherine Combellas, Frederic Kanoufi, Sandra Helias Nunige. Surface modification of halogenated polymers. 10. Redox catalysis induction of the polymerization of vinylic monomers. Application to the localized graft copolymerization of poly(tetrafluoroethylene) surfaces by vinylic monomers. Chemistry of Materials, American Chemical Society, 2007, 19, pp.3830-3839. ⟨10.1021/cm070438z⟩. ⟨hal-00699818⟩
  • D Belotti, G Cantagrel, C Combellas, J Cossy, F Kanoufi, et al.. Hydrogenation versus hydrogenolysis with a safe, selective and reusable catalyst: palladium black on Teflon (R). New Journal of Chemistry, Royal Society of Chemistry, 2005, 29, pp.761-764. ⟨10.1039/b501096a⟩. ⟨hal-00699821⟩
  • C Combellas, Alain H. Fuchs, F Kanoufi, D Mazouzi, Sandra Helias Nunige. Surface modification of halogenated polymers. 6. Graft copolymerization of poly(tetrafluoroethylene) surfaces by polyacrylic acid. Polymer, Elsevier, 2004, 45, pp.4669-4675. ⟨10.1016/j.polymer.2004.04.067⟩. ⟨hal-00711139⟩

Conference papers3 documents

  • Renaud Cornut, Sandra Helias Nunige, Christine Lefrou, Frederic Kanoufi. Local etching of copper films by the Scanning Electrochemical Microscope in the feedback mode: A theoretical and experimental investigation. 61st Annual Meeting of the International-Society-of-Electrochemistry (ISE), Sep 2010, Nice (FRANCE), France. pp.10701-10707, ⟨10.1016/j.electacta.2011.03.088⟩. ⟨hal-00727826⟩
  • C Mathis, Sandra Helias Nunige, F Audouin, R Nuffer. Thermal stability of a C-60-polystyrene bond. 16th International Conference on Science and Technology of Synthetic Metals (ICSM 2000), Jul 2000, GASTEIN (AUSTRIA), France. pp.1153-1154. ⟨hal-00709606⟩
  • F Audouin, Sandra Helias Nunige, R Nuffer, C Mathis. Grafting polymers onto C-60 via an atom transfer reaction. 16th International Conference on Science and Technology of Synthetic Metals (ICSM 2000), Jul 2000, GASTEIN (AUSTRIA), France. pp.1149-1150. ⟨hal-00709605⟩