SN

SANDRA NUNIGE

30
Documents

Présentation

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)

Publications

Publications

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Phosphomonoesterase and phosphodiesterase activities in the eastern Mediterranean in two contrasting seasonal situations

France van Wambeke , Pascal Conan , Mireille Pujo-Pay , Vincent Taillandier , Olivier Crispi et al.
Biogeosciences, 2024, 21 (10), pp.2621-2640. ⟨10.5194/bg-21-2621-2024⟩
Article dans une revue hal-04732795 v1
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Natural iron fertilization by shallow hydrothermal sources fuels diazotroph blooms in the ocean

Sophie Bonnet , Cécile Guieu , Vincent Taillandier , Cédric Boulart , Pascale Bouruet-Aubertot et al.
Science, 2023, 380 (6647), pp.812-817. ⟨10.1126/science.abq4654⟩
Article dans une revue hal-04172298 v1
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Phosphorus cycling in the upper waters of the Mediterranean Sea (PEACETIME cruise): relative contribution of external and internal sources

Elvira Pulido-Villena , Karine Desboeufs , Kahina Djaoudi , France van Wambeke , Stéphanie Barrillon et al.
Biogeosciences, 2021, 18 (21), pp.5871 - 5889. ⟨10.5194/bg-18-5871-2021⟩
Article dans une revue hal-03418751 v1
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Impact of dust addition on Mediterranean plankton communities under present and future conditions of pH and temperature: an experimental overview

Frédéric Gazeau , Céline Ridame , France van Wambeke , Samir Alliouane , Christian Stolpe et al.
Biogeosciences, 2021, 18 (17), pp.5011-5034. ⟨10.5194/bg-18-5011-2021⟩
Article dans une revue hal-03342476 v1
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Spatial patterns of ectoenzymatic kinetics in relation to biogeochemical properties in the Mediterranean Sea and the concentration of the fluorogenic substrate used

France van Wambeke , Elvira Pulido-Villena , Philippe Catala , Julie Dinasquet , Kahina Djaoudi et al.
Biogeosciences, 2021, 18 (7), pp.2301-2323. ⟨10.5194/bg-18-2301-2021⟩
Article dans une revue hal-03195714 v1
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Potential bioavailability of organic matter from atmospheric particles to marine heterotrophic bacteria

Kahina Djaoudi , France van Wambeke , Aude Barani , Nagib Bhairy , Servanne Chevaillier et al.
Biogeosciences, 2020, 17 (24), pp.6271-6285. ⟨10.5194/bg-17-6271-2020⟩
Article dans une revue hal-03064459 v1
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Aphotic N2 fixation along an oligotrophic to ultraoligotrophic transect in the western tropical South Pacific Ocean

Mar Benavides , Katyanne M Shoemaker , Pia H. Moisander , Jutta Niggemann , Thorsten Dittmar et al.
Biogeosciences, 2018, 15 (9), pp.3107-3119. ⟨10.5194/bg-15-3107-2018⟩
Article dans une revue hal-01812049 v1
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In-depth characterization of diazotroph activity across the western tropical South Pacific hotspot of N<sub>2</sub> fixation (OUTPACE cruise)

Sophie Bonnet , Mathieu Caffin , Hugo Berthelot , Olivier Grosso , Mar Benavides et al.
Biogeosciences, 2018, 15 (13), pp.4215-4232. ⟨10.5194/bg-15-4215-2018⟩
Article dans une revue hal-02024176 v1
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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

Kahina Djaoudi , France van Wambeke , Laurent Coppola , Fabrizio d'Ortenzio , Sandra Helias Nunige et al.
Frontiers in Marine Science, 2018, 5, pp.234. ⟨10.3389/fmars.2018.00234⟩
Article dans une revue hal-01838152 v1
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Corrigendum to “Carbonate system distribution, anthropogenic carbon andacidification in the western tropical South Pacific(OUTPACE 2015 transect)”

Thibaut Wagener , Nicolas Metzl , Mathieu Caffin , Jonathan Fin , Sandra Nunige et al.
Article dans une revue hal-02335450 v1
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Atmospheric fluxes of soluble organic C, N, and P to the Mediterranean Sea: Potential biogeochemical implications in the surface layer

K. Djaoudi , France van Wambeke , A. Barani , S. Hélias Nunige , Richard Sempere et al.
Progress in Oceanography, 2018, 163, pp.59-69. ⟨10.1016/j.pocean.2017.07.008⟩
Article dans une revue hal-01787006 v1
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Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean

Thierry Moutin , Thibaut Wagener , Mathieu Caffin , Alain Fumenia , Audrey Gimenez et al.
Biogeosciences, 2018, 15 (9), pp.2961-2989. ⟨10.5194/bg-15-2961-2018⟩
Article dans une revue hal-01801747 v1
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Coupling physics and biogeochemistry thanks to high-resolution observations of the phytoplankton community structure in the northwestern Mediterranean Sea

Pierre Marrec , Gérald Grégori , Andrea M. Doglioli , Mathilde Dugenne , Alice Della Penna et al.
Biogeosciences, 2018, 15 (5), pp.1579 - 1606. ⟨10.5194/bg-15-1579-2018⟩
Article dans une revue hal-01735426 v1
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Carbonate system distribution, anthropogenic carbon and acidification in the western tropical South Pacific (OUTPACE 2015 transect)

Thibaut Wagener , Nicolas Metzl , Mathieu Caffin , Jonathan Fin , Sandra Helias Nunige et al.
Biogeosciences, 2018, 15 (16), pp.5221 - 5236. ⟨10.5194/bg-15-5221-2018⟩
Article dans une revue hal-01868023 v1
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Silicon cycle in the tropical South Pacific: contribution to the global Si cycle and evidence for an active pico-sized siliceous plankton

Karine Leblanc , Veronique Cornet , Peggy Rimmelin-Maury , Olivier Grosso , Sandra Helias Nunige et al.
Biogeosciences, 2018, 15 (18), pp.5595-5620. ⟨10.5194/bg-15-5595-2018⟩
Article dans une revue hal-01889901 v1
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N<sub>2</sub> fixation as a dominant new N source in the western tropical South Pacific Ocean (OUTPACE cruise)

Mathieu Caffin , Thierry Moutin , Rachel Ann Foster , Pascale Bouruet-Aubertot , Andrea M. Doglioli et al.
Biogeosciences, 2018, 15 (8), pp.2565 - 2585. ⟨10.5194/bg-15-2565-2018⟩
Article dans une revue hal-01790784 v1
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Evolution of dissolved and particulate chromophoric materials during the VAHINE mesocosm experiment in the New Caledonian coral lagoon (south-west Pacific)

Marc Tedetti , Lauriane Marie , Rüdiger Röttgers , Martine Rodier , France van Wambeke et al.
Biogeosciences, 2016, 13 (11), pp.3283-3303. ⟨10.5194/bg-13-3283-2016⟩
Article dans une revue ird-01326566 v1
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Dinitrogen fixation and dissolved organic nitrogen fueled primary production and particulate export during the VAHINE mesocosm experiment (New Caledonia lagoon)

H Berthelot , T. Moutin , Stéphane L'Helguen , Karine Leblanc , S Hélias et al.
Biogeosciences, 2015, 12 (13), pp.4099-4112. ⟨10.5194/bg-12-4099-2015⟩
Article dans une revue hal-01231737 v1
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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

M. Lasbleiz , Karine Leblanc , S. Blain , J. Ras , Veronique Cornet et al.
Biogeosciences, 2014, 11 (20), pp.5931-5955. ⟨10.5194/bg-11-5931-2014⟩
Article dans une revue hal-01664909 v1

Reactivity of Surfaces Determined by Local Electrochemical Triggering: A Bromo-Terminated Self-Assembled Monolayer

Sandra Nunige , Renaud Cornut , Hassan Hazimeh , Fanny Hauquier , Christine Lefrou et al.
Angewandte Chemie International Edition, 2012, 51 (21), pp.5208-5212. ⟨10.1002/anie.201201083⟩
Article dans une revue istex hal-00709269 v1

Surface Reactivity from Electrochemical Lithography: Illustration in the Steady-State Reductive Etching of Perfluorinated Surfaces

Hassan Hazimeh , Sandra Helias Nunige , Renaud Cornut , Christine Lefrou , Catherine Combellas et al.
Analytical Chemistry, 2011, 83 (15), pp.6106-6113. ⟨10.1021/ac201255c⟩
Article dans une revue hal-00709271 v1

Managing Micrometric Sources of Solvated Electrons: Application to the Local Functionalization of Fluorinated Self-Assembled Monolayers

Nadia Ktari , Sandra Helias Nunige , Ammar Azioune , Matthieu Piel , Carole Connan et al.
Chemistry of Materials, 2010, 22, pp.5725-5731. ⟨10.1021/cm101915y⟩
Article dans une revue hal-00699594 v1

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

Catherine Combellas , Frederic Kanoufi , Sandra Helias Nunige
Chemistry of Materials, 2007, 19, pp.3830-3839. ⟨10.1021/cm070438z⟩
Article dans une revue istex hal-00699818 v1

Hydrogenation versus hydrogenolysis with a safe, selective and reusable catalyst: palladium black on Teflon (R)

D Belotti , G Cantagrel , C Combellas , J Cossy , F Kanoufi et al.
New Journal of Chemistry, 2005, 29, pp.761-764. ⟨10.1039/b501096a⟩
Article dans une revue istex hal-00699821 v1

Surface modification of halogenated polymers. 6. Graft copolymerization of poly(tetrafluoroethylene) surfaces by polyacrylic acid

C Combellas , Alain H. Fuchs , F Kanoufi , D Mazouzi , Sandra Helias Nunige
Polymer, 2004, 45, pp.4669-4675. ⟨10.1016/j.polymer.2004.04.067⟩
Article dans une revue istex hal-00711139 v1

Internal wave-eddy interactions, turbulence and mixing during the 2023 BioSWOT-MED cruise

Robin Rolland , Pascale Bouruet-Aubertot , Yannis Cuypers , Elvira Pulido-Villena , Anthony Bosse et al.
European Geosciences Union General Assembly 2024 (EGU24), EGU, Apr 2024, Vienne, Austria. ⟨10.5194/egusphere-egu24-17494⟩
Communication dans un congrès insu-04725901 v1

Local etching of copper films by the Scanning Electrochemical Microscope in the feedback mode: A theoretical and experimental investigation

Renaud Cornut , Sandra Helias Nunige , Christine Lefrou , Frederic Kanoufi
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⟩
Communication dans un congrès istex hal-00727826 v1

Grafting polymers onto C-60 via an atom transfer reaction

F Audouin , Sandra Helias Nunige , R Nuffer , C Mathis
16th International Conference on Science and Technology of Synthetic Metals (ICSM 2000), Jul 2000, GASTEIN (AUSTRIA), France. pp.1149-1150
Communication dans un congrès hal-00709605 v1

Thermal stability of a C-60-polystyrene bond

C Mathis , Sandra Helias Nunige , F Audouin , R Nuffer
16th International Conference on Science and Technology of Synthetic Metals (ICSM 2000), Jul 2000, GASTEIN (AUSTRIA), France. pp.1153-1154
Communication dans un congrès hal-00709606 v1