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See detailMobilisation of lipophilic pollutants from blubber in northern elephant seal pups (Mirounga angustirostris) during the post-weaning fast
Louis, Caroline; Dirtu, Alin C.; Stas, Marie et al

in Environmental Research (2014), 132

Northern elephant seals (NES) (Mirounga angustirostris) from the Año Nuevo State Reserve (CA, USA) were longitudinally sampled during the post-weaning fast in order to study the mobilisation and ... [more ▼]

Northern elephant seals (NES) (Mirounga angustirostris) from the Año Nuevo State Reserve (CA, USA) were longitudinally sampled during the post-weaning fast in order to study the mobilisation and redistribution of various classes of persistent organic pollutants (POPs), such as polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), dichlorodiphenyldichloroethylene (p,p′-DDE) and hexachlorobenzene (HCB) between blubber and blood. Inner and outer blubber layers were analysed separately. Organohalogenated compounds were detected in all blubber samples in the decreasing order of their concentrations: p,p′-DDE>PCBs⪢HCB>PBDEs. The concentrations of all studied compounds were homogeneously distributed in the blubber layer at early fast, since the concentrations of POPs were statistically not different in the inner and outer layers. With the progression of the fast, the concentrations of PBDEs, PCBs and p,p′-DDE increased more sharply in inner blubber than in outer blubber. As a result, their levels became significantly higher in inner blubber as compared to outer blubber at late fast. The rise of pollutant concentrations in blubber might result from a less efficient mobilisation than triglycerides and/or a reuptake by adipocytes of some of the pollutants released into the circulation. The mobilisation of pollutants from blubber was higher at late fast. An increase of pollutant concentrations was observed in serum between early and late fast. Lower halogenated congeners (i.e. tetra-CBs) were present in higher proportions in serum, whereas the higher halogenated congeners (i.e. hepta-CBs) were mainly found in the inner and outer blubber layers. The transfer ratios of both PBDEs and PCBs from inner blubber to serum decreased with the number of chlorine and bromine atoms. In addition, the distribution of both types of compounds between serum and blubber was strongly influenced by their lipophilic character (log Kow values), with more lipophilic compounds being less efficiently released from blubber to serum. [less ▲]

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See detailLes mobilisations pour la cause des femmes en RDCongo
Grenade, Sophie ULg

Poster (2008, December 12)

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See detailLa mobilité académique : discours, apprentissages, identités
Defays, Jean-Marc ULg; Meunier, Deborah ULg

in Discours et la Langue (Le) (2012)

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See detailMobilité durable et le rôle du covoiturage
Cools, Mario ULg

Conference given outside the academic context (2014)

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See detailMobilité électrophorétique et agglutinabilité des érythrocytes traités avec des enzymes protéolytiques
Foresto, P; Grandfils, Christian ULg; Rasia, R et al

Conference (2003, December 05)

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See detailLa mobilité en région liégeoise. Mise en perspective nationale et régionale
Halleux, Jean-Marie ULg; Lambotte, Jean-Marc ULg

Conference given outside the academic context (2007)

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See detailLa mobilité en République populaire de Chine depuis 1949
Florence, Eric ULg

Conference given outside the academic context (2005)

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See detailMobilité et apprentissage linguistique : des représentations contrastées ?
Meunier, Deborah ULg

in Yasri-Labrique, Eleonore; Gardies, Patricia; Djordevic Léonard, Ksenija (Eds.) Didactique contrastive: questionnements et applications (2013)

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See detailMobilité et apprentissage linguistique : étude du discours métalinguistique d’apprenants Erasmus
Meunier, Deborah ULg

in Etudes de Linguistique Appliquée [= ELA] (2011), 162

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See detailMobilité et transition urbaine
Teller, Jacques ULg

Conference given outside the academic context (2011)

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See detailLa mobilité étudiante : trajectoires et reconfiguration de l'expérience
Guillaume, Jean-François ULg; Pleyers, Geoffrey

in Gauthier, Madeleine; Leblanc, Patrice (Eds.) Jeunes et dynamiques territoriales (2008)

En installant une distance avec la société d’origine et l’entourage, la mobilité des étudiants participe également d’une conception de la jeunesse comme le temps privilégié de l’expérimentation et ... [more ▼]

En installant une distance avec la société d’origine et l’entourage, la mobilité des étudiants participe également d’une conception de la jeunesse comme le temps privilégié de l’expérimentation et témoigne du processus d’individualisation des parcours de transition vers l’âge adulte. Qu’il s’agisse d’une recherche de quelques semaines dans un milieu très différent ou de plusieurs années passées à l’étranger, l’expérience de la mobilité est marquante et comporte une dimension profondément subjective. La confrontation à l’altérité bouscule les habitudes, les illusions et contribue parfois à remodeler la personnalité. Ces expériences de découverte, de reconfiguration de la vie quotidienne et de nécessaire adaptation marquent profondément la construction de soi au cours de cette étape de transition qu’est la jeunesse. Partis à la recherche de l’autre, du différent, c’est aussi à la recherche d’eux-mêmes qu’ils se sont lancés. [less ▲]

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See detailLa mobilité étudiante au prisme du discours spontané: les représentations de la langue française
Meunier, Deborah ULg

in Esteve, I (Ed.) Autour des langues et du langage - perspective pluridisciplinaire (2011)

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See detailLa mobilité étudiante en question : des pratiques aux représentations linguistiques
Defays, Jean-Marc ULg; Meunier, Deborah ULg

in Discours et la Langue (Le) (2012), 3.2.

Detailed reference viewed: 71 (26 ULg)