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See detailLa Maison-Dieu lotharingienne. A propos d’un ouvrage récent
George, Philippe ULg

in Revue Belge d'Archéologie et d'Histoire de l'Art (2007), LXXVI

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See detailWING-FLUTTER MITIGATION BY TARGETED ENERGY TRANSFERS INDUCED BY AN ESSENTIALLY NONLINEAR ATTACHMENT
Lee, Young S.; McFarland, D. Michael; Kerschen, Gaëtan ULg et al

in International Symposium on Recent Advances in Mechanics, Dynamical Systems and Probability Theory, Palermo, 2007 (2007)

The problem to be addressed here is the mitigation of limit cycle oscillations (LCO) in a rigid in-°ow wing with nonlinear heave and pitch sti®nesses in quasi-steady °ow, using targeted energy transfer ... [more ▼]

The problem to be addressed here is the mitigation of limit cycle oscillations (LCO) in a rigid in-°ow wing with nonlinear heave and pitch sti®nesses in quasi-steady °ow, using targeted energy transfer (TET). We show through simulation and Wavelet transforms that LCO formation is a process of resonance capture, with heave response triggering the pitch LCO. With the addition of a lightweight, fully passive attachment { a nonlinear energy sink (NES) { to the wing, we analytically predict three distinct mechanisms for LCO mitigation: repeated suppressed burst-outs, partial and complete suppressions of aeroelastic instability. Subsequent wind-tunnel experiments conducted in the Nonlinear Aeroelastic Test Apparatus (NATA) at Texas A&M University fully support these results. [less ▲]

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See detailVue d’ensemble sur la procédure relative à la création des parcs naturels en Région wallonne et à ses conséquences en aménagement du territoire
Hanson, Sophie ULg; Michel, Quentin ULg

in Déclaration d'un territoire en "Parc naturel régional" et ses conséquences sur l'aménagement du territoire - Comparaison des systèmes d'aménagement du territoire dans la Grande Région "Sarre, Lorraine, Grand-Duché de Luxembourg, Région wallonne, Rhénanie-Palatina (2007)

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See detailTransport of the leaderless protein Ku on the cell surface of activated monocytes regulates their migratory abilities.
Paupert, Jenny ULg; Dauvillier, Stephanie; Salles, Bernard et al

in EMBO reports (2007), 8(6), 583-8

Recent evidence shows that the DNA repair protein Ku is expressed on the surface of a subset of cells, where it contributes to adhesion and invasion processes, and also to viral or bacterial entry into ... [more ▼]

Recent evidence shows that the DNA repair protein Ku is expressed on the surface of a subset of cells, where it contributes to adhesion and invasion processes, and also to viral or bacterial entry into target cells. Here, we show that Ku was expressed on the cell surface during activation of human monocytes and that its expression was independent of the conventional endoplasmic reticulum (ER)/Golgi secretory pathway. Ku inhibition, by blocking antibodies, decreases the migration of monocytes on fibronectin and laminin. On activation, nuclear Ku seems to move to the periphery of the cell and it shows a punctuate staining in the cytoplasm. The cytoplasmic distribution of Ku was shown to be unaltered by brefeldin A. Protease protection experiments show that Ku is contained within vesicles in activated monocytes. These data support a new role for Ku in the migration of monocytes into tissues, which depends on a tightly regulated pathway of intracellular redistribution. [less ▲]

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See detailIdentification of Linear and Nonlinear Systems using Signal Processing Techniques
Kerschen, Gaëtan ULg; Poncelet, Fabien ULg; Golinval, Jean-Claude ULg et al

in 26th Benelux Meeting on Systems and Control, Lommel, 2007 (2007)

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See detailGlobal morphology of substorm growth phases observed by the IMAGE-SI12 imager
Blockx, Caroline ULg; Gérard, Jean-Claude ULg; Coumans, Valérie ULg et al

Poster (2007)

Growth phases are observed to start from less than 30 minutes to over an hour before the substorm onset. The sector of maximum proton precipitation during the growth phase is generally located around 2200 ... [more ▼]

Growth phases are observed to start from less than 30 minutes to over an hour before the substorm onset. The sector of maximum proton precipitation during the growth phase is generally located around 2200 MLT. It rapidly moves in local time by about 1.2 hour toward midnight at the time of the onset. The open magnetic flux increases by as much as a 33% during the growth phase. The mean value of the open flux at the end of the growth phase, immediately preceding the substorm, onset is about 0.74. GWb for substorms triggered by external (solar wind) factors and 0.67 GWb for non-triggered substorms. The open magnetic flux generally drops following the onset of triggered substorms but continues to increase for non-triggered events. We interpret this behavior as an indication that the rate of opening of closed field lines on the dayside can exceed that of the nightside reconnection after the onset in non-triggered substorms. By contrast, flux closure is more efficient while the flux opening rate drops in the case of externally triggered onset, so that the closure rate exceeds that of field line opening on the dayside. The rate of equatorward displacement is typically ~ 3 deg/hour. It is statistically correlated with the magnitude of the southward Bz component of the IMF measured by the ACE satellite. It is also correlated with transfer functions describing the efficiency of solar wind energy transfer which involve the transverse electric field carried by the solar wind. The equatorward motion may be global, restricted to local time sectors or a combination of both. No nightside local time sector appears favored where the motion of the equatorial boundary would be more pronounced. The maximum displacement of the polar boundary is statistically located around midnight MLT. [less ▲]

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See detailA type II-collagen derived peptide and its nitrated form as new markers of inflammation and cartilage degradation in equine osteochondral lesions.
Gangl, Monika; Deberg, Michelle ULg; Lejeune, Jean-Philippe ULg et al

in Research in Veterinary Science (2007), 82

Markers of cartilage breakdown enable studying the degradation of cartilage matrix in equine joint pathologies. This study was designed to determine the levels of Coll2-1, a peptide of the triple helix of ... [more ▼]

Markers of cartilage breakdown enable studying the degradation of cartilage matrix in equine joint pathologies. This study was designed to determine the levels of Coll2-1, a peptide of the triple helix of type II collagen, and Coll2-1NO(2), its nitrated form in the plasma of healthy horses (controls; n=37) and horses suffering from osteochondrosis (n=34). Clinical and arthroscopic scores were attributed reflecting the severity of lesions and were related to the plasma levels of Coll2-1 and Coll2-1NO(2). The median of Coll2-1 was significantly higher in the control group, whereas the mean of Coll2-1NO(2) showed significant elevation in the pathological group. However, the measurement means of scoring classes did not vary significantly. The markers were able to differentiate the group of horses suffering from osteochondrosis from the group of healthy horses. The elevation of Coll2-1NO(2) in the pathological group indicates an inflammation, mediated through reactive oxygen species and/or increased myeloperoxidase activity. [less ▲]

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See detailLinking flux network measurements to continental scale simulations: Ecosystem carbon dioxide exchange capacity under non-water-stressed conditions
Owen, Katherine; Tenhunen, John; Reichstein, Markus et al

in Global Change Biology (2007), 13

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See detailUne histoire des Lumières au pays de Liège. Livre, idées, société
Droixhe, Daniel ULg

Book published by Éditions de l'Université de Liège (2007)

Voltaire n'a pas ménagé le pays de Liège. État clérical, berceau de la Fête-Dieu, la principauté était symbolisée par l'Almanach de Mathieu Laensbergh, dont les prédictions entretenaient un fatalisme ... [more ▼]

Voltaire n'a pas ménagé le pays de Liège. État clérical, berceau de la Fête-Dieu, la principauté était symbolisée par l'Almanach de Mathieu Laensbergh, dont les prédictions entretenaient un fatalisme obscurantiste. Le présent ouvrage montre une réalité plus contrastée, où s'entrecroisent industrie de la contrefaçon littéraire, séjours d'écrivains en cavale et grandes entreprises typographiques, pour former une toile de fond sur laquelle se détache une véritable révolution des mentalités. L'impulsion fut-elle donnée par la création en 1756 du Journal encyclopédique? L'imprimeur Bassompierre avait-il auparavant ouvert la voie en publiant Diderot, l'École de la volupté du matérialiste La Mettrie ou le Code de la nature, sorte de charte pré-socialiste? Le règne de Charles d'Oultremont installe-t-il une parenthèse pieuse avant qu'apparaisse en 1772 son successeur Velbruck, franc-maçon et modèle de «prince-évêque éclairé»? Telles sont quelques-unes des questions discutées ici. Figurant parmi les capitales européennes de la contrefaçon du livre, Liège et sa filiale maastrichtoise participeront aux premières tentatives d'édition des oeuvres complètes des philosophes : Voltaire (en trente-deux volumes!), Helvétius, Montesquieu, Beaumarchais, Raynal. L'imprimeur Clément Plomteux se spécialisera dans d'ambitieux projets de totalisation du savoir, dont une refonte de l'Encyclopédie. La poésie, réveillée par le long séjour qu'effectue à Liège l'écrivain Léonard, stimulera l'idéal d'une régénération de l'homme par le retour à la nature. La Société Libre d'Émulation (1779) fournira la caisse de résonance que réclamaient un puissant souci collectif de modernité et l'avènement d'une «société des talents». S'y joignirent des revendications de justice sociale qui se lisent dans la littérature des procès opposant nobles et communautés, ou dans l'Histoire des deux Indes de Raynal et Diderot. L'«embrasement inévitable» de 1789 n'était plus loin. [less ▲]

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See detailRole Of Terpenes From Aphid-Infested Potato On Searching And Oviposition Behavior Of Episyrphus Balteatus
Harmel, Nicolas ULg; Almohamad, Raki; Fauconnier, Marie-Laure ULg et al

in Insect Science (2007), 14(1),

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See detailRapport final ARAPONIC - First spin-off n°315461
Tocquin, Pierre ULg; Périlleux, Claire ULg

Report (2007)

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See detailSouvenirs de Babel. La reconstruction de l'histoire des langues de la Renaissance aux Lumières
Droixhe, Daniel ULg

Book published by Académie royale de langue et de littérature françaises de Belgique (2007)

La question, voire le mythe de l'origine des langues, formulée dans de multiples récits et hypothèses, est un ensemble conjecturel qui méritait qu'on l'aborde de manière panoramique et objective. C'est ce ... [more ▼]

La question, voire le mythe de l'origine des langues, formulée dans de multiples récits et hypothèses, est un ensemble conjecturel qui méritait qu'on l'aborde de manière panoramique et objective. C'est ce qu'entreprend Daniel Droixhe dans son essai Souvenirs de Babel, très richement documenté et audacieusement conçu. Cette publication est le premier des ouvrages inédits que l'ARLLFB compte désormais proposer au public sur son site. Une innovation frappée au sceau de l'originalité et de la hardiesse de l'investigation philologique. – Jacques De Decker, Secrétaire perpétuel de l'Académie royale de langue et de littérature françaises de Belgique [less ▲]

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See detailFirst Steps Towards Georeferencing of 3D VHR Optical and X-Band SAR Imagery
Belmonte, Antonella; De Rauw, Dominique ULg; Barbier, Christian ULg et al

in Proc. IGARSS'07 Symposium (2007)

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See detailPolymorphic miRNA-mediated gene regulation: contribution to phenotypic variation and disease.
Georges, Michel ULg; Coppieters, Wouter ULg; Charlier, Carole ULg

in Current opinion in genetics & development (2007), 17(3), 166-76

The expression of at least a third of mammalian genes is post-transcriptionally fine-tuned by approximately 1000 microRNAs (miRNAs), assisted by the RNA silencing machinery, comprising tens of components ... [more ▼]

The expression of at least a third of mammalian genes is post-transcriptionally fine-tuned by approximately 1000 microRNAs (miRNAs), assisted by the RNA silencing machinery, comprising tens of components. Polymorphisms and mutations in the corresponding sequence space (machinery, miRNA precursors and target sites) are likely to make a significant contribution to phenotypic variation, including disease susceptibility. Here we review basic miRNA biology in animals, survey the available evidence for DNA sequence polymorphisms affecting miRNA-mediated gene regulation and thus phenotype, and discuss their possible importance in the determination of complex traits. [less ▲]

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See detailL’aura et la chose écrite. Une mise au point
Durand, Pascal ULg

in Piret, Pierre (Ed.) La littérature à l’ère de la reproductibilité technique. Réponses littéraires aux nouveaux dispositifs représentatifs créés par les médias modernes (2007)

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See detailActualites therapeutiques en anesthesie-reanimation: cap sur l'hopital de jour
Hick, Gaëtane ULg; Kirsch, Murielle ULg; Janssens, Marc ULg et al

in Revue Médicale de Liège (2007), 62(5-6, May-Jun), 272-6

The one day clinic possesses its own structure and organisation; patient management is also specific. Preoperative visit and assessment are programmed at least 48 hours before anesthesia. Preoperative ... [more ▼]

The one day clinic possesses its own structure and organisation; patient management is also specific. Preoperative visit and assessment are programmed at least 48 hours before anesthesia. Preoperative examinations and choice of anesthetic technique (sedation associated with local anesthesia or not, general anesthesia, locoregional anesthesia, or hypnosedation) are discussed and determined depending upon medical history, clinical examination, and type of procedure. General recommandations, instructions about fasting, interruption of some therapies, and introduction of new medication(s) are explained orally and also provided in a written document. New anesthetics and analgesics allow quick awakening and recovery of vital functions, and subsequently rapid hospital discharge. Prevention and aggressive treatment of postoperative nausea and vomiting are also a major concern in our anesthesic management of ambulatory patient. [less ▲]

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See detailEvaluation comportementale et par neuroimagerie fonctionnelle des patients en état végétatif
Vanhaudenhuyse, Audrey ULg; Schnakers, Caroline ULg; Boly, Mélanie ULg et al

in Revue Médicale de Liège (2007), 62 Spec No

Currently, there remains a high rate of misdiagnosis of the vegetative state. This should incite clinicians to use the most sensitive "coma scales" to detect signs of consciousness in these patients. The ... [more ▼]

Currently, there remains a high rate of misdiagnosis of the vegetative state. This should incite clinicians to use the most sensitive "coma scales" to detect signs of consciousness in these patients. The gold standard remains the Glasgow Coma Scale (GCS, Teasdale and Jennet, 1974), with the Glasgow Liege Scale (GLS, Born, 1988) adding standardized assessment of brainstem reflexes. New sensible behavioral assessment tools for use in the acute neurocritical care setting include the Full Outline of UnResponsiveness (FOUR, Wijdicks et al., 2005). The Coma Recovery Scale-Revised (CRS-R, Giacino and Kalmar, 2004) specifically tests the diagnostic criteria differentiating vegetative from minimally conscious patients. Detecting signs of consciousness also depends on the employed methodology. We showed that for the assesment of the presence of visual pursuit, using a moving mirror is better suited than using a moving object or person. The clinical diagnosis can be confirmed by cerebral positron emission tomography studies objectively quantifying residual metabolic activity in vegetative and minimally conscious patients. Ongoing studies evaluate the prognostic value of functional magnetic resonance imaging studies in these challenging patient populations. [less ▲]

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See detailL'écrivain et son lecteur. Réflexion sur les limites d'une "générosité"
Denis, Benoît ULg

in Modernités (2007), (26), 211-220

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See detailExperimental determination of dynamic properties of the concrete foundation of a cement roller mill
Denoël, Vincent ULg; Butz, Christiane; Jakobi, Hubertus et al

in Proceedings of the Conference on EVACES 07, Experimental Vibration Analysis of Civil Engineering Structures (2007)

Extensive dynamic measurements are performed on the massy and stiff concrete foundation of a cement roller mill. Dynamic properties like mode shapes, natural frequencies and damping ratios are determined ... [more ▼]

Extensive dynamic measurements are performed on the massy and stiff concrete foundation of a cement roller mill. Dynamic properties like mode shapes, natural frequencies and damping ratios are determined using the SSI-COV method. A methodology for the statistical estimation of these modal properties by evaluating a sufficient amount of time windows is derived and discussed. [less ▲]

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