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See detail1D Organization of ZnO and TiO2 nanoparticles toward advanced photonic and photocatalytic materials
Kinadjian, Natacha ULg; Achard, Marie-France; Julian-Lopez, Beatriz et al

Poster (2012, October)

Nowadays Chemist are request to construct more and more complex architectures bearing multifunctionalities enable to respond to external stimuli. The construction of such complex architectures will be ... [more ▼]

Nowadays Chemist are request to construct more and more complex architectures bearing multifunctionalities enable to respond to external stimuli. The construction of such complex architectures will be addressed through strong interplay in chemical science, as proposed recently with the concept of integrative Chemistry.[1] We synthesized PVA/ZnO-nanorods composite fibers using co-axial flux extrusion.[2] These fibers exhibit higher anisotropic photonic properties, both in absorption and emission, as a result of the collective alignment of the ZnO nanorods along the main axis of the PVA fiber. This photonic anisotropy is triggered by a synergistic interaction between the PVA matrix, stretched above Tg, and cooled down under strain. Compared with non-elongated fibers that present an isotropic emission, composite fibers previously submitted to a tensile stress absorb selectively UV emission when the polarized laser beam is parallel to the main axis of the fiber. In addition, their photolumincescence is also anisotropic, with a waveguide behavior along the main axis of the fiber. Mechanical properties of these composite fibers are also drastically improved, compared with pure PVA fibers: the longitudinal Young modulus of these fibers is increased from 2 to 6 GPa upon ZnO addition, a value similar to those already observed for composite fibers, prepared either with carbon nanotubes, or Vanadium Oxide macroscopic fibers. [1] N. Brun, S. Ungureanu, H. Deleuze and R. Backov. Chem. Soc. Rev., 2011, 40, 771 [2] Kinadjian, N., Achard, M.-F., Julián-López, B., Maugey, M., Poulin, P., Prouzet, E. and Backov, R. (2012). Adv. Funct. Mater.. doi: 10.1002/adfm.201200360 [less ▲]

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See detail1D unified mathematical model for environmental flow applied to steady aerated mixed flows
Kerger, François; Erpicum, Sébastien ULg; Dewals, Benjamin ULg et al

in Advances in Engineering Software (2011), 42(9), 660-670

Hydraulic models available in literature are unsuccessful in simulating accurately and efficiently environmental flows characterized by the presence of both air–water interactions and free-surface ... [more ▼]

Hydraulic models available in literature are unsuccessful in simulating accurately and efficiently environmental flows characterized by the presence of both air–water interactions and free-surface/pressurized transitions (aka mixed flows). The purpose of this paper is thus to fill this knowledge gap by developing a unified one-dimensional mathematical model describing free-surface, pressurized and mixed flows with air–water interactions. This work is part of a general research project which aims at establishing a unified mathematical model suitable to describe the vast majority of flows likely to appear in civil and environmental engineering (pure water flows, sediment transport, pollutant transport, aerated flows. . .). In order to tackle this problem, our original methodology consists in both time- and spaceaveraging the Local Instant Formulation, which includes field equations for each phase taken separately and jump conditions, over a flow cross-section involving a free-surface. Subsequently, applicability of the model is extended to pressurized flows as well. The first key result is an original 1D homogeneous Equilibrium Model which describes two-phase free-surface flows. It is proven to be fundamentally multiphase, to take into account scale heterogeneities of environmental flow and to be very easy to solve. Next, applicability of this free-surface model is extended to pressurized flows by using the classical Preissmann slot concept. A second key result here is the introduction of an original negative Preissmann slot to simulate sub-atmospheric pressurized flows. The model is then closed by using constitutive equations suitable for air–water flows. Finally, this mathematical model is discretised by means of a finite volume scheme and validated by comparison with experimental results from a physical model in the case of a steady flow in a large scale gallery. [less ▲]

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See detail1er Colloque Guy Namurois : Livre des résumés
Jidovtseff, Boris ULg; Halleux, Philippe; Lambert, Eric et al

in Jidovtseff, Boris (Ed.) 1er Colloque Guy Namurois : Livre des résumés (2014, February 22)

Colloque multi-disciplinaire en l'honneur de Guy Namurois

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See detail1er Cours de Mécanique Analytique II (2012-14), Bac3 math & phys fichier pdf+vidéo
Surdej, Jean ULg

Learning material (2013)

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See detail1er Symposium Behring
Vanderick, JEAN ULg; Ferrant; Leners et al

Scientific conference (1988, October)

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See detail1H NMR metabolomic approach of the laser-induced choroidal neovascularization in mice
Lambert, Vincent ULg; Frederich, Michel ULg; Rousseau, Rousseau et al

Poster (2008, August)

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See detailThe 1H NMR spectra of the Strychnos alkaloids Retuline and Isoretuline, and their N-deacetyl compounds
Tavernier, D.; Anteunis, M. J. O.; Tits, Monique ULg et al

in Bulletin de la Société Chimique de Belgique (1978), 87(8), 595-607

The 300 MHz 1H NMR spectra of the title compounds are discussed. The vicinal coupling constants 3J H2,H16 and 3J H16,H15 are about 10Hz and 4 Hz in the iso series, and about 7 Hz and 1 Hz for retuline ... [more ▼]

The 300 MHz 1H NMR spectra of the title compounds are discussed. The vicinal coupling constants 3J H2,H16 and 3J H16,H15 are about 10Hz and 4 Hz in the iso series, and about 7 Hz and 1 Hz for retuline series. In isoretuline, the piperidine ring ( ring D) has a chair conformation, but in retuline a boat conformation, with C21 in the tip position, prevails. This conclusion is based on the pattern of allylic and homoallylic couplings around the double bond, and rests also on comparison with the spectrum of strychnine. Evidence is presented for a hydrogen bond between the C17 hydroxymethyl and the N1-COCH3 group in isoretuline. [less ▲]

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See detail1H, 13C and 15N backbone resonance assignments for the BS3 class A beta-lactamase from Bacillus licheniformis.
Vandenameele, Julie ULg; Matagne, André ULg; Damblon, Christian ULg

in Biomolecular NMR Assignments (2010), 4(2), 195-7

Class A beta-lactamases (260-280 amino acids; M ( r ) ~ 29,000) are among the largest proteins studied in term of their folding properties. They are composed of two structural domains: an all-alpha domain ... [more ▼]

Class A beta-lactamases (260-280 amino acids; M ( r ) ~ 29,000) are among the largest proteins studied in term of their folding properties. They are composed of two structural domains: an all-alpha domain formed by five to eight helices and an alpha/beta domain consisting of a five-stranded antiparallel beta-sheet covered by three to four alpha-helices. The alpha domain (~150 residues) is made up of the central part of the polypeptide chain whereas the alpha/beta domain (111-135 residues) is constituted by the N- and C-termini of the protein. Our goal is to determine in which order the different secondary structure elements are formed during the folding of BS3. With this aim, we will use pulse-labelling hydrogen/deuterium exchange experiments, in combination with 2D-NMR measurements, to monitor the time-course of formation and stabilization of secondary structure elements. Here we report the backbone resonance assignments as the requirement for further hydrogen/deuterium exchange studies. [less ▲]

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See detail1H, 13C and 15N resonance assignments of YajG, an Escherichia coli protein of unknown structure and function.
Boudet, Julien; Chouquet, Anne; Chahboune, Aicha et al

in Biomolecular NMR assignments (2007), 1(1), 89-91

The ampG gene codes for a permease required to uptake anhydro-muropeptides into bacterial cytoplasm. Located upstream in the same operon, is another 579-base-pair-long open reading frame encoding a ... [more ▼]

The ampG gene codes for a permease required to uptake anhydro-muropeptides into bacterial cytoplasm. Located upstream in the same operon, is another 579-base-pair-long open reading frame encoding a putative lipoprotein YajG, whose nearly complete 1H,13C,15N assignments are reported here. [less ▲]

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See detailA 1H, 13C, 31P and 15N NMR study of (pyrrolidine-2,2-diyl)bisphosphonic acid, tetraalkyl(pyrrolidine-2,2-diyl)bisphosphonates and acyclic tetraethyl bisphosphonates
Olive, Gilles ULg; van Genderen, Marcel H P

in Magnetic Resonance in Chemistry [=MRC] (2000), 38(5), 379-381

A multinuclear magnetic resonance study (1H, 13C, 31P, 15N) was performed on a series of new cyclic pyrrolidine bisphosphonates and acyclic bisphosphonates. Values are reported and discussed for the ... [more ▼]

A multinuclear magnetic resonance study (1H, 13C, 31P, 15N) was performed on a series of new cyclic pyrrolidine bisphosphonates and acyclic bisphosphonates. Values are reported and discussed for the chemical shifts and coupling constants of the various nuclei. [less ▲]

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See detail1re campagne de fouille à Chagar Bazar (Syrie)
Tunca, Önhan ULg; McMahon, A.; Baghdo, Abd el-Massih

in Orient-Express 2000/1 (2000)

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See detail1RM PREDICTION AND LOAD-VELOCITY RELATIONSHIP
Jidovtseff, Boris ULg; Cronin, John; Crielaard, Jean-Michel ULg et al

in Abstract book of 17th ECSS congres (2012, July)

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See detail1RM PREDICTION AND LOAD-VELOCITY RELATIONSHIP
Jidovtseff, Boris ULg; Cronin, John; Crielaard, Jean-Michel ULg et al

in Abstract book of 8th International Conference on Strength Training (2012, October)

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See detail1RM PREDICTION AND LOAD-VELOCITY RELATIONSHIP
Jidovtseff, Boris ULg; Cronin, John; Villaret, Jérémy et al

Poster (2012, October)

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See detail1s2s2p(2)3p 6L - 1s2p(3)3p 6p transitions in OIV, FV and NeVI
Lin, B.; Berry, H. G.; Shibata, T. et al

in Journal of Physics : B Atomic Molecular & Optical Physics (2004), 37

We present observations of VUV transitions between doubly excited sextet states in O, IV, F V and Ne VI. Spectra were produced by collisions of an O+, (FH)(+) and Ne+ beam with a thin carbon foil target ... [more ▼]

We present observations of VUV transitions between doubly excited sextet states in O, IV, F V and Ne VI. Spectra were produced by collisions of an O+, (FH)(+) and Ne+ beam with a thin carbon foil target. Some observed lines are assigned to the 1s2s2p(2)3p L-6-1 s2p(3)3p P-6 electric-dipole transitions in 0 IV, F V and Ne VI, and are compared with the results of multi-configuration Hartree-Fock (with QED and higher-order corrections) and multi-configuration Dirac-Fock calculations. 31 new lines have been identified. The sextet systems of boronlike ions are possible candidates for x-ray and VUV lasers. [less ▲]

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See detail1s2s2p(2)3s 6P - 1s2p(3)3s 6S° transitions in OIV
Lin, B.; Berry, H. G.; Shibata, T. et al

in Physical Review. A (2003), 67

The energies and lifetimes of doubly excited sextet states of boron-like O IV, F V, and Ne VI are calculated with the multiconfiguration Hartree-Fock approach, including QED and higher-order corrections ... [more ▼]

The energies and lifetimes of doubly excited sextet states of boron-like O IV, F V, and Ne VI are calculated with the multiconfiguration Hartree-Fock approach, including QED and higher-order corrections, and also with the multiconfiguration Dirac-Fock GRASP code. The wavelengths and transition rates of electric-dipole transitions from the inner-shell excited terms 1s2s2p23s 6P–1s2p33s 6So are investigated by beam-foil spectroscopy in the XUV spectral region. The predicted transition wavelengths agree with the experiment. The higherorder corrections, fine structures, and spectrum with high wavelength resolution are found to be critically important in these comparisons. Nine new lines have been identified. The ground sextet states of boronlike atoms are metastable and well above several ionization levels. These are possible candidates for XUV and soft x-ray lasers. [less ▲]

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See detail1st Belgian geographical day
Schmitz, Serge ULg; Meert, Henk

in Belgeo (2003), (3), 229-342

This special issue results from the 1st geographical day organized in Liege on March 2013.

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See detail2 2009 Expérience pilote PIT : mise en œuvre d’équipes infirmières dans 10 ambulances participant à l’aide médicale urgente en Belgique. Bilan au terme de la 2e année d’activité
STAMATAKIS, Lambert; TODOROV, Pierre; BRONSELAER, Koen et al

in Journal Européen des Urgences = European Journal of Emergencies (2009), 22(S2),

L'article fait le bilan de l'expérience de moyens de secours à accompagnement infirmier sur base de deux ans de données d'intervention. Il conclut de l'analyse statistique que le temps d'intervention est ... [more ▼]

L'article fait le bilan de l'expérience de moyens de secours à accompagnement infirmier sur base de deux ans de données d'intervention. Il conclut de l'analyse statistique que le temps d'intervention est réduit, que les actes posés sont comparables, et que la gestion de la douleur est améliorée. [less ▲]

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See detail2 and 3D Finite Element Modeling of Miscible Pollutant Transport in Groundwater, below the Unsaturated Zone
Radu, Jean-Pol ULg; Biver, P.; Charlier, Robert ULg et al

in Int. Conf. on Hydrodynamics, ICMD'94 (1994)

Detailed reference viewed: 57 (0 ULg)