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See detailDossier presse - expo les horlogers du ciel
Champenois, Carole ULg; Moreau, Didier ULg; Nazé, Yaël ULg

Diverse speeche and writing (2011)

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See detailLe Dossier Professionnel Réflexif (DPR) en didactique des Langues et littératures modernes à l'ULg : un outil pour développer l'esprit critique et l'autonomie des futurs enseignants
Simons, Germain ULg

Conference (2009, May 13)

Depuis l'année académique 2007-2008, le service de didactique des Langues et littératures modernes de l'ULg a introduit un Dossier Professionnel Réflexif (DPR) qui clôture la formation de l'AESS du Master ... [more ▼]

Depuis l'année académique 2007-2008, le service de didactique des Langues et littératures modernes de l'ULg a introduit un Dossier Professionnel Réflexif (DPR) qui clôture la formation de l'AESS du Master/à finalité didactique. Ce DPR, sorte de "portfolio", vise à amener les étudiants à prendre distance par rapport à leur formation, à s'auto-évaluer en tant que professeur-stagiaire, et à imaginer des pistes de solution afin de s'améliorer dans le futur. La présente communication décrit et commente le dispositif mis en place et fournit quelques éléments d'évaluation. [less ▲]

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See detailDossier. Pour l'essor du mécénat en Belgique francophone
Duchesne, Jean-Patrick ULg; Gilson, Philippe; Graulich, Jean-Luc et al

in Art&Fact (1983), 2

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See detailDossier: Inégalités et Pauvreté - Introduction
Perelman, Sergio ULg; Decoster, André

in Reflets et Perspectives de la Vie Economique (2011), 4

Detailed reference viewed: 36 (12 ULg)
See detailDossier: La Grande Aventure du Jazz - Histoire et Bibliographie
Sacré, Robert ULg

Article for general public (1992)

Detailed reference viewed: 6 (0 ULg)
See detailLe double défi de la nanomédecine
Piel, Géraldine ULg; Evrard, Brigitte ULg

Scientific conference (2012, November 29)

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See detailThe double dividend of postponing retirement
Cremer, H.; Pestieau, Pierre ULg

in International Tax and Public Finance (2003), 10(4), 419-434

Early retirement seems to plague social security systems in a number of European countries. In this paper we argue that delaying retirement may have two positive effects: it is likely to partially restore ... [more ▼]

Early retirement seems to plague social security systems in a number of European countries. In this paper we argue that delaying retirement may have two positive effects: it is likely to partially restore the financial balance of the system, and it may foster redistribution among retirees. To obtain such a double dividend, the benefit rule of the initial social security scheme must have the following two characteristics. First, it operates redistribution within generations. Second, it is "biased" and induces early retirement. [less ▲]

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See detailLa double doctrine transcendantale de l'espace chez Kant
Seba, Jean-Renaud ULg

Scientific conference (2007, April 18)

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See detailDouble emulsion in a compound droplet
Terwagne, Denis ULg; gilet, tristan; Vandewalle, Nicolas ULg et al

in Colloids and Surfaces A : Physicochemical and Engineering Aspects (2010), 365(1-3), 178

A compound drop is made of a millimetric water drop encapsulated in an oil shell. They are obtained by merging one drop of each component (water and oil). Afterwards, they are laid on a high viscosity oil ... [more ▼]

A compound drop is made of a millimetric water drop encapsulated in an oil shell. They are obtained by merging one drop of each component (water and oil). Afterwards, they are laid on a high viscosity oil bath which is vertically vibrated. When the forcing acceleration is higher than a given threshold Γth, compound drops can bounce on the surface. We show that above a second threshold Γe > Γth some oil contained in the shell enters in the inner water droplet forming a stable double emulsion. [less ▲]

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See detailDouble émulsion rebondissante
Terwagne, Denis ULg; Gilet, Tristan ULg; Vandewalle, Nicolas ULg et al

Conference (2010, January 28)

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See detailLe double et son ombre: le je(u) autofictionnel de The Alcoholic
Dechêne, Antoine ULg

Article for general public (2013)

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See detailDouble genetic defect in a case of congenital hypogonadotropic hypogonadism
Potorac, Iulia ULg; Pintiaux, Axelle ULg; VALDES SOCIN, Hernan Gonzalo ULg et al

in Abstract book - 17th World Congress of Gynecological Endocrinology (2016, March)

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See detailDouble hydrophilic polyphosphoester containing copolymers as efficient templating agents for calcium carbonate microparticles
Ergül, Zeynep ULg; Debuigne, Antoine ULg; Calvignac, Brice et al

in Journal of Materials Chemistry B (2015), 3(36), 7227-7236

The use of calcium carbonate (CaCO3) microparticles is becoming more and more attractive in many fields especially in biomedical applications in which the fine tuning of the size, morphology and ... [more ▼]

The use of calcium carbonate (CaCO3) microparticles is becoming more and more attractive in many fields especially in biomedical applications in which the fine tuning of the size, morphology and crystalline form of the CaCO3 particles is crucial. Although some structuring compounds, like hyaluronic acid, give satisfying results, the control of the particle structure still has to be improved. To this end, we evaluated the CaCO3 structuring capacity of novel well-defined double hydrophilic block copolymers composed of poly(ethylene oxide) and a polyphosphoester segment with an affinity for calcium like poly(phosphotriester)s bearing pendent carboxylic acids or poly(phosphodiester)s with a negatively charged oxygen atom on each repeating monomer unit. These copolymers were synthesized by a combination of organocatalyzed ring opening polymerization, thiol–yne click chemistry and protection/deprotection methods. The formulation of CaCO3 particles was then performed in the presence of these block copolymers (i) by the classical chemical pathway involving CaCl2 and Na2CO3 and (ii) by a process based on supercritical carbon dioxide (scCO2) technology in which CO32− ions are generated in aqueous media and react with Ca2+ ions. Porous CaCO3 microspheres composed of vaterite nanocrystals were obtained. Moreover, a clear dependence of the particle size on the structure of the templating agent was emphasized. In this work, we show that the use of the supercritical process and the substitution of hyaluronic acid for a carboxylic acid containing copolymer decreases the size of the CaCO3 particles by a factor of 6 (∼1.5 μm) while preventing their aggregation. [less ▲]

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See detailDouble hydrophilic polyphosphoester containing copolymers as efficient templating agnets for calcium carbonate microparticles
Ergül, Zeynep ULg; Debuigne, Antoine ULg; Calvignac, Brice et al

Conference (2015, June 22)

The design of drug delivery systems (DDS) often requires biodegradable and biocompatible materials that allow safe retention and controlled drug release. In this respect, CaCO3 particles are appropriate ... [more ▼]

The design of drug delivery systems (DDS) often requires biodegradable and biocompatible materials that allow safe retention and controlled drug release. In this respect, CaCO3 particles are appropriate drug carriers that have excellent properties such as low density, high specific surface areas and porosity for drugs and proteins encapsulation. Here, degradable synthetic copolymers based on polyphosphoester (PPE) were used to template CaCO3 particles. PPE is a promising candidate due to its biocompatibility, biodegradability and low toxicity of its degradation products such as phosphates. In particular, PPE copolymers with carboxylic acid pendant groups and negatively charged polyphosphodiester-based copolymers were prepared by organocatalyzed ring opening polymerization (ROP) initiated from poly(ethylene oxide). The moieties introduced along the polymer chains enhance the calcium affinity and so the ability of the copolymers to tune the morphology of the CaCO3 particles. The copolymers were tested as templating agents for the preparation of CaCO3 particles by the classical chemical pathway and the supercritical CO2 (Sc-CO2) route. The morphology of the resulting particles was then compared to the one of particles obtained using hyaluronic acid (HA) as a templating agent. The synthesis involving Sc-CO2 and the copolymer with pendant carboxylic groups was particularly interesting and led to smaller (~1.5 µm) and non-aggregated particles. In the future, the impact of the copolymer structure and of the particle size on the encapsulation and release processes will be investigated. [less ▲]

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See detailThe double Ionization of Ammonia. Its Dissociation into the Doubly Ionized Fragment N2+.
Locht, Robert ULg; Momigny, J.

in Chemical Physics Letters (1987), 138(5), 391-396

The double ionization and dissociation of NH3 into the doubly ionized fragment N2+ is investigated by electron impact. Two double ionization energies of NH3 are directly measured at 34.8+/-0.2 eV and 39.4 ... [more ▼]

The double ionization and dissociation of NH3 into the doubly ionized fragment N2+ is investigated by electron impact. Two double ionization energies of NH3 are directly measured at 34.8+/-0.2 eV and 39.4+/-0.5 eV. A third critical energy observed at 66 eV is assigned to a (NH3)2+ state whose ionization energy is at 61 eV. Two appearance energies are observed for the N2+ ion at 65.9+/-1.7 eV and 74.3+/-2.6 eV. The translational energy distribution of N2+ is shown to be essentially thermal. The former onset is ascribed to the dissociation of the 61 eV state of (NH3)2+, the latter originates from the doubly ionized (NH3)2+ state at 70 eV. [less ▲]

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