Guillaume Morin

Summary

Country: France

Publications

  1. ncbi request reprint Extended X-ray absorption fine structure analysis of arsenite and arsenate adsorption on maghemite
    Guillaume Morin
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, CNRS, Universite Paris 6, Universite Paris 7, IPGP, 140, rue de Lourmel, 75015 Paris, France
    Environ Sci Technol 42:2361-6. 2008
  2. doi request reprint EXAFS and HRTEM evidence for As(III)-containing surface precipitates on nanocrystalline magnetite: implications for As sequestration
    Guillaume Morin
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR 7590, CNRS, Universite Paris 6, IPGP, 140 rue de Lourmel, 75015 Paris, France
    Langmuir 25:9119-28. 2009
  3. ncbi request reprint XAS study of arsenic coordination in Euglena gracilis exposed to arsenite
    Jennyfer Miot
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, CNRS, Universités Paris 6 et Paris 7, et IPGP, 140, rue de Lourmel 75 015 Paris, France
    Environ Sci Technol 42:5342-7. 2008
  4. doi request reprint Evidence for different surface speciation of arsenite and arsenate on green rust: an EXAFS and XANES study
    Yuheng Wang
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR 7590, CNRS, Universite Paris 6 UPMC, Universite Paris 7 UPD, IPGP, 140, rue de Lourmel, 75015 Paris, France
    Environ Sci Technol 44:109-15. 2010
  5. ncbi request reprint EXAFS analysis of arsenite adsorption onto two-line ferrihydrite, hematite, goethite, and lepidocrocite
    Georges Ona-Nguema
    Institut de Minéralogie et de Physique des Milieux Condensés UMR 7590, CNRS, Université Paris 6 and 7, IPGP, France
    Environ Sci Technol 39:9147-55. 2005
  6. ncbi request reprint Speciation of arsenic in Euglena gracilis cells exposed to As(V)
    Jennyfer Miot
    Institut de Minéralogie et de Physique des Milieux Condensés and Institut de Physique du Globe de Paris, Universités Paris 6 et Paris 7, UMR 7590, CNRS, 140, rue de Lourmel 75015 Paris, France
    Environ Sci Technol 43:3315-21. 2009
  7. doi request reprint Distinctive arsenic(V) trapping modes by magnetite nanoparticles induced by different sorption processes
    Yuheng Wang
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, Centre National de la Recherche Scientifique, Université Pierre et Marie Curie Université Paris Diderot, Campus Jussieu, 4 place Jussieu, 75005 Paris, France
    Environ Sci Technol 45:7258-66. 2011
  8. doi request reprint XANES evidence for rapid arsenic(III) oxidation at magnetite and ferrihydrite surfaces by dissolved O(2) via Fe(2+)-mediated reactions
    Georges Ona-Nguema
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR 7590, CNRS Universite Paris 6 Pierre and Marie Curie UPMC Universite Paris 7 Diderot UPD IPGP IRD, 140, rue de Lourmel, Paris, France
    Environ Sci Technol 44:5416-22. 2010
  9. ncbi request reprint XANES evidence for oxidation of Cr(III) to Cr(VI) by Mn-oxides in a lateritic regolith developed on serpentinized ultramafic rocks of New Caledonia
    Dik Fandeur
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR CNRS 7590, Universite Pierre et Marie Curie, Universite Paris Diderot, IPGP, 140 rue de Lourmel, 75015 Paris, France
    Environ Sci Technol 43:7384-90. 2009
  10. pmc Extracellular iron biomineralization by photoautotrophic iron-oxidizing bacteria
    Jennyfer Miot
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, CNRS, Universités Paris 6 et Paris 7, Paris, France
    Appl Environ Microbiol 75:5586-91. 2009

Collaborators

Detail Information

Publications12

  1. ncbi request reprint Extended X-ray absorption fine structure analysis of arsenite and arsenate adsorption on maghemite
    Guillaume Morin
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, CNRS, Universite Paris 6, Universite Paris 7, IPGP, 140, rue de Lourmel, 75015 Paris, France
    Environ Sci Technol 42:2361-6. 2008
    ..The present results yield useful constraints on As(V) and As(III) adsorption on high surface-area powdered maghemite, which may help in modeling the behavior of arsenic at the maghemite-water interface...
  2. doi request reprint EXAFS and HRTEM evidence for As(III)-containing surface precipitates on nanocrystalline magnetite: implications for As sequestration
    Guillaume Morin
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR 7590, CNRS, Universite Paris 6, IPGP, 140 rue de Lourmel, 75015 Paris, France
    Langmuir 25:9119-28. 2009
    ..However, the higher solubility of the amorphous surface precipitate compared to the 3C surface complexes causes a dramatic increase of dissolved As concentration for coverages above 1.9 micromol/m2...
  3. ncbi request reprint XAS study of arsenic coordination in Euglena gracilis exposed to arsenite
    Jennyfer Miot
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, CNRS, Universités Paris 6 et Paris 7, et IPGP, 140, rue de Lourmel 75 015 Paris, France
    Environ Sci Technol 42:5342-7. 2008
    ..gracilis and thus contributes to the understanding of arsenic detoxification mechanisms in a eukaryotic microorganism under extreme acid mine drainage conditions...
  4. doi request reprint Evidence for different surface speciation of arsenite and arsenate on green rust: an EXAFS and XANES study
    Yuheng Wang
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR 7590, CNRS, Universite Paris 6 UPMC, Universite Paris 7 UPD, IPGP, 140, rue de Lourmel, 75015 Paris, France
    Environ Sci Technol 44:109-15. 2010
    ..These results improve our knowledge of the mode of As(V) and As(III) inner-sphere adsorption on green rusts, which will help to constrain sorption modeling of arsenic in soils, sediments, and aquifers...
  5. ncbi request reprint EXAFS analysis of arsenite adsorption onto two-line ferrihydrite, hematite, goethite, and lepidocrocite
    Georges Ona-Nguema
    Institut de Minéralogie et de Physique des Milieux Condensés UMR 7590, CNRS, Université Paris 6 and 7, IPGP, France
    Environ Sci Technol 39:9147-55. 2005
    ..These results are compared with available literature data and discussed in terms of the reactivity of iron(III) (oxyhydr)oxide surface sites...
  6. ncbi request reprint Speciation of arsenic in Euglena gracilis cells exposed to As(V)
    Jennyfer Miot
    Institut de Minéralogie et de Physique des Milieux Condensés and Institut de Physique du Globe de Paris, Universités Paris 6 et Paris 7, UMR 7590, CNRS, 140, rue de Lourmel 75015 Paris, France
    Environ Sci Technol 43:3315-21. 2009
    ..Under high As(V) exposure conditions (200 mg L(-1)) the reduction step is found to be the most limiting step for detoxification...
  7. doi request reprint Distinctive arsenic(V) trapping modes by magnetite nanoparticles induced by different sorption processes
    Yuheng Wang
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, Centre National de la Recherche Scientifique, Université Pierre et Marie Curie Université Paris Diderot, Campus Jussieu, 4 place Jussieu, 75005 Paris, France
    Environ Sci Technol 45:7258-66. 2011
    ..These results provide some of the fundamental knowledge about As(V)-magnetite interactions that is essential for developing effective water treatment technologies for arsenic...
  8. doi request reprint XANES evidence for rapid arsenic(III) oxidation at magnetite and ferrihydrite surfaces by dissolved O(2) via Fe(2+)-mediated reactions
    Georges Ona-Nguema
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR 7590, CNRS Universite Paris 6 Pierre and Marie Curie UPMC Universite Paris 7 Diderot UPD IPGP IRD, 140, rue de Lourmel, Paris, France
    Environ Sci Technol 44:5416-22. 2010
    ..In addition, this study emphasizes that special care is needed to preserve arsenic oxidation state during laboratory sorption experiments as well as in collecting As-bearing samples from natural environments...
  9. ncbi request reprint XANES evidence for oxidation of Cr(III) to Cr(VI) by Mn-oxides in a lateritic regolith developed on serpentinized ultramafic rocks of New Caledonia
    Dik Fandeur
    Institut de Mineralogie et de Physique des Milieux Condenses IMPMC, UMR CNRS 7590, Universite Pierre et Marie Curie, Universite Paris Diderot, IPGP, 140 rue de Lourmel, 75015 Paris, France
    Environ Sci Technol 43:7384-90. 2009
    ....
  10. pmc Extracellular iron biomineralization by photoautotrophic iron-oxidizing bacteria
    Jennyfer Miot
    Institut de Minéralogie et de Physique des Milieux Condensés, UMR 7590, CNRS, Universités Paris 6 et Paris 7, Paris, France
    Appl Environ Microbiol 75:5586-91. 2009
    ..All together, these results demonstrate the primordial role of organic polymers in iron biomineralization and provide first evidence for the existence of a redox gradient around these nonencrusting, Fe-oxidizing bacteria...
  11. ncbi request reprint Bacterial formation of tooeleite and mixed arsenic(III) or arsenic(V)-iron(III) gels in the Carnoulès acid mine drainage, France. A XANES, XRD, and SEM study
    Guillaume Morin
    Laboratoire de Minéralogie Cristallographie de Paris, UMR CNRS 7590 Université Paris 6 IPGP, 4 place Jussieu, 75252 Paris Cedex 05, France
    Environ Sci Technol 37:1705-12. 2003
    ..These results yield a better understanding of natural processes at this site and may help in designing efficient As-removal processes...
  12. ncbi request reprint Bacterial immobilization and oxidation of arsenic in acid mine drainage (Carnoulès creek, France)
    Corinne Casiot
    Laboratoire Hydrosciences Montpellier, UMR 5569, Universite Montpellier 2, Place E Bataillon, 34095 Montpellier Cedex 05, France
    Water Res 37:2929-36. 2003
    ..Three strains of bacteria promoting the oxidation of As have been isolated, and two of them have the characteristics of Thiomonas ynys1. The third strain, which is not identified yet, also catalyzes the oxidation of Fe...