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See detailLes migrants en situation irrégulière
Jamin, Jérôme ULg

Report (2004)

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See detailMigrants in industrial zones - Push and pull factors. A case study in industrial zones in Bac Ninh province, Vietnam
Ngo Trung, Thanh; Lebailly, Philippe ULg; Nguyen Thi, Dien

in Académie de Recherche et d'Enseignement Supérieur (ARES) (Ed.) ARES "Gender, migration and rural development" (2015)

Since migration was mentioned as a pattern of development, the debates have never ended. In Vietnam, the industrial zone has been developed rapidly for more than 20 years. However, the rate of migrant ... [more ▼]

Since migration was mentioned as a pattern of development, the debates have never ended. In Vietnam, the industrial zone has been developed rapidly for more than 20 years. However, the rate of migrant labor is high. Based on push and pull theory of migration the study is to find the reasons that push or pull rural labors to migrate to industrial zones. By surveying 190 migrants in industrial zone, the study found that the employment in the zones is not stable in the long run. Migration not always driven by poor economic condition of the houhsehold in the areas of origin, it is the way of life of young rural labor and the migrants in the zones seem to be pulled rather than pushed. [less ▲]

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See detailLes migrants ont-ils des manières particulières d’habiter ? L’exemple soninké
Razy, Elodie ULg

in Hommes & Migrations (2006), 1254

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See detailmigrants’ children & migrant children
Martiniello, Marco ULg

Scientific conference (2011, March 11)

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See detailMigrants’Citizenship: Legal Status, Rights and Political Participation
Martiniello, Marco ULg; Bauböck, Rainer; Kraler, Albert et al

in Penninx, Rinus; Berger, Maria; Kraal, Karen (Eds.) The Dynamics of International Migration and Settlement in Europe. A State of the Art (2006)

Detailed reference viewed: 50 (2 ULg)
See detailMigrants, Guest Workers and Ethnic Minorities
Martiniello, Marco ULg; Vranken, J.

in Tränhardt, D. (Ed.) Europe. A New Immigration Continent (1992)

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See detailMigration : general thoughts, new tendencies.
Martiniello, Marco ULg

Scientific conference (2008, June 04)

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See detailMigration and Citizenship in Europe. Political Participation, Mobilisation and Representation.
Martiniello, Marco ULg

in Bilger, V; Klinglmair, S; Hoffman, M (Eds.) 10 Observations on the Future of Migration. Costs, Benefits and Policy Responses (2013)

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See detailMigration and climate change: an escape from environmental determinism
Gemenne, François ULg

Conference (2010, September 04)

Detailed reference viewed: 21 (1 ULg)
See detailMigration and Cultural Pluralism in Europe : a Threat for the Nation-States ?
Martiniello, Marco ULg

Scientific conference (1992, October 13)

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See detail"Migration and Transnationalism"
Martiniello, Marco ULg

Scientific conference (1998, July 26)

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See detailMigration and Transportation of Ethnic Conflicts
Perrin, Nathalie ULg

Scientific conference (2010, February 24)

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See detailMigration associated with land grabbing
Vigil Diaz Telenti, Sara ULg

Conference (2015, July)

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See detailMigration behaviour study of charged and uncharged compounds in micellar electrokinetic chromatography systems containing various proportions of SDS micelles and acetonitrile as organic modifier
Lamalle, Caroline ULg; Servais, Anne-Catherine ULg; Crommen, Jacques ULg et al

Poster (2012)

In 1984, Terabe and co-workers introduced a modified version of CZE, called micellar electrokinetic chromatography (MEKC), in which surfactant-formed micelles are included in the running buffer providing ... [more ▼]

In 1984, Terabe and co-workers introduced a modified version of CZE, called micellar electrokinetic chromatography (MEKC), in which surfactant-formed micelles are included in the running buffer providing a two phases chromatographic system for the separation of neutral compounds. Depending on their hydrophobicity, compounds can interact with the core of the micelles. Many MEKC methods have been described for the separation of neutral and basic compounds and for various applications. However, the migration behaviour of cationic, anionic and neutral analytes mixture is not well established regarding to the surfactant concentration and to the proportion of organic solvent in the background electrolyte (BGE). With such a mixture, it is important to remember that the separation of charged solutes in MEKC involves a combination of chromatographic and electrophoretic separation mechanisms. Moreover, it is worth noting that with charged analytes, two kinds of interactions with the micelles may occur; not only with the hydrophobic core but also with the head groups of the micelles through electrostatic interactions. In systems in which the surfactant has an opposite charge to that of the solute, ion pairing may occur. On the contrary, when a solute and the surfactant have similar charges, coulombic forces may cause the repulsion of these molecules. The goal of this study is to improve our understanding of the migration behaviour of charged and uncharged analytes in MEKC systems. With this aim in view, effective mobility (electrophoretic mobility under the influence of micelles) of neutrals, cations and anions were mesured at neutral, basic and acidic pH with BGE containing different SDS concentrations and ACN proportions. This study is also focused on the changes of migration order between CZE and MEKC systems using different BGE compositions. In the MEKC systems investigated in the study, SDS concentration and ACN proportion show a tremendous effect on the effective mobilities and migration order of the model compounds. While anions interact very weakly with SDS micelles, neutrals and cations interact with SDS through hydrophobic and ionic bonds. These interactions become stronger with the increase of SDS concentration and weaker with high ACN proportion. With 20 mM of SDS in the BGE, CZE behaviour is observed till 40% of ACN. But, when the SDS concentration is high and the ACN proportion is low, the migration order of analytes is reversed compared to CZE: EOF first, then the anions, followed by the neutrals and finally the cations. The migration order inside each group (cations, neutrals and anions) depends on the hydrophobicity of the analytes. Different organic solvents were also investigated to study the ion-pair formation. Those observations confirm the interest of using MEKC not only for the separation of neutral compounds but also variously charged analytes. [less ▲]

Detailed reference viewed: 32 (2 ULg)
See detailMigration between States and Markets
Withol de Wenden, Catherine; Martiniello, Marco ULg; Entzinger, Han

Book published by Ashgate (2004)

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See detailMigration between States and Markets (Conference Report)
Martiniello, Marco ULg

in International Migration Review (2002), 36(2), 593-596

Detailed reference viewed: 14 (2 ULg)