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See detailÉVOLUTION DE LA TENEUR EN EAU LE LONG D’UNE TOPOSEQUENCE FORESTIERE ARGILO-LIMONEUSE
Deraedt, Deborah ULiege; Colinet, Gilles ULiege; Degré, Aurore ULiege

in Milieux Poreux et Transferts Hydriques (in press)

For the hydrological modeling of forested watersheds, the understanding of the forest hydrodynamic is essential. This study focusses on the hydrology of a Belgian forested plot with high stoniness and ... [more ▼]

For the hydrological modeling of forested watersheds, the understanding of the forest hydrodynamic is essential. This study focusses on the hydrology of a Belgian forested plot with high stoniness and steep slope. The soil water content is monitored at several positions on the toposequence and at different depth. During rain events, peak in soil water content are observed in different depth depending on the position along the toposequence. [less ▲]

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See detailQuelques réflexions méthodologiques sur les abandons de sanctuaires en Grèce antique
Palamidis, Alaya ULiege

in Revue de l'Histoire des Religions (in press)

Given the limited number of written sources about the disappearance of cults in ancient Greece, as well as the important difficulties raised by their interpretation, the study of this phenomenon is almost ... [more ▼]

Given the limited number of written sources about the disappearance of cults in ancient Greece, as well as the important difficulties raised by their interpretation, the study of this phenomenon is almost exclusively possible through the analysis of the information obtained from archaeological excavations. However, the identification of the abandonment of a sanctuary is often difficult, mainly because of the excavation conditions but also because of post-depositional processes that may cause a destruction of the upper stratigraphic layers. Moreover, the cult of an abandoned sanctuary can be transferred into a new sanctuary, so that the archaeological sources cannot be sufficient to attest the disappearance of a cult. [less ▲]

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See detailArrêt(s) sur image(s) : usages et pratiques du photogramme
Thonon, Jonathan ULiege

in MethIS : Méthodes et Interdisciplinarité en Sciences Humaines (in press)

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See detailsynthéticité et intuition en mathématiques contemporaines : Kant au-delà de Kant
Mazurkiewicz, Stany ULiege

in Eikasia. Revista de Filosofia. (in press)

Ce texte entend réévaluer l'idée de "pure synthèse intellectuelle" que l'on trouve chez Kant. Celle-ci cadre avec la pratique mathématique et métamathématique postérieure à Kant. Elle permet de dépasser l ... [more ▼]

Ce texte entend réévaluer l'idée de "pure synthèse intellectuelle" que l'on trouve chez Kant. Celle-ci cadre avec la pratique mathématique et métamathématique postérieure à Kant. Elle permet de dépasser l'alternative entre l'intuitionnisme développé dans la Critique de la raison pure et la fondation de la mathématique sur une logique formelle analytique. Je montre que cette idée convient à Bolzano et à Dedekind, dont je soutiens que les projets sont irréductibles à du logicisme et qui sont dès lors bien plus "kantiens" qu'il n'y paraît. [less ▲]

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See detailMesurer les distances entre des textes pré-carolingiens linguistiquement non-normés: le cas de la Passion de sainte Marine
Goullet, Monique; Philippart de Foy, Caroline ULiege

in Etudes Classiques (Namur, Belgium) (in press)

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See detailTwo-loop-induced neutrino masses: A model-independent perspective
Aristizabal Sierra, Diego ULiege

in PoS - Proceedings of Science (in press)

We disucuss Majorana neutrino mass generation mechanisms at the two-loop order. After briefly reviewing the systematic classification of one-loop realizations, we then focus on a general two-loop ... [more ▼]

We disucuss Majorana neutrino mass generation mechanisms at the two-loop order. After briefly reviewing the systematic classification of one-loop realizations, we then focus on a general two-loop classification scheme which provides a model-independent catalog for neutrino mass models at the two-loop order [less ▲]

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See detailL’emblématique de Louise de Savoie
Fagnart, Laure ULiege; Girault, Pierre-Gilles

in Armas e Troféus. Rivista de Historia, Heraldica, Genealogia (in press)

A l'occasion de cette étude, à la suite des travaux d'Anne-Marie Lecoq (1987), nous sommes revenus sur le discours héraldique de la comtesse et duchesse d'Angoulême, Louise de Savoie, l'influente mère de ... [more ▼]

A l'occasion de cette étude, à la suite des travaux d'Anne-Marie Lecoq (1987), nous sommes revenus sur le discours héraldique de la comtesse et duchesse d'Angoulême, Louise de Savoie, l'influente mère de François Ier. Nous avons présenté et explicité ses devises favorites, à savoir la cordelière, qui évoque autant le nœud de Savoie que la cordelière franciscaine, le vol, sans doute choisi puisque l’aile évoque le L de Louise par homophonie, le bouquet de lis ou le cygne « navré », mais aussi les écus et les monogrammes qui lui sont associés et qui ponctuent enluminures, tapisseries, bas-reliefs et éléments sculptés de l’architecture. Notre intention a été de montrer d’une part comment Louise de Savoie manifeste, par l’intermédiaire de ces signes emblématiques, son identité et son pouvoir, d’autre part comment elle construit, par leur biais, un patrimoine, mental, susceptible de renforcer son clan et ses héritiers. [less ▲]

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See detailDonnées des bases latines du LASLA et classification générique
Longrée, Dominique ULiege

in Les Etudes Classiques (in press)

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See detailPaper Formats of the Mamluk Period: The Contribution of Mamluk Chancery Paper
Bauden, Frédéric ULiege

in Journal of Islamic Manuscripts (in press)

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See detailBiolaw and dual use dilemma: the freedom of scientific research in relationship with traditional and emerging sciences and technologies
Colussi, Ilaria Anna ULiege

in International Journal of Biolaw (in press)

Science and technology require an intervention by the law, and law is called upon to intervene in front of their evolution, and to look for proper solutions of governance and rational responses to their ... [more ▼]

Science and technology require an intervention by the law, and law is called upon to intervene in front of their evolution, and to look for proper solutions of governance and rational responses to their risks. One of the main issues to be investigated from the legal viewpoint is represented by the ‘dual-use dilemma’ that arises both in ‘traditional’ and new areas of techno-sciences. Indeed, any kind of research has the potential to be used both for bad as well as for good purposes. Therefore, it is important to reflect upon the ways to control possibly dangerous research without preventing the progress from going further. Such ‘dual-use dilemma’, then, entails the study of one of the fundamental freedoms in the biolaw area: the freedom of scientific research, its limits, and relationship with other rights/needs/freedoms (such the need of security). This work focuses on two areas of the techno-scientific world. One is more ‘traditional’, i.e. nuclear science, in whose context the reflections on ‘dual-use’ were born and developed, and the other one is a new emerging technology, which is synthetic biology. The aim is to understand how the freedom of scientific research could be shaped in relationship with other rights/needs/interests for dealing with ‘dual-use’ issues in the aforementioned areas of science and technology. [less ▲]

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See detailQuatre configurations pour créer une dynamique interactive entre formation et recherche Expériences dans le domaine de la formation des professionnels de la santé
Faulx, Daniel ULiege; Burlet, Géraldine ULiege; Bernard, Nicolas ULiege et al

in Recherches Qualitatives (in press)

Dans cette contribution, nous nous penchons sur la possibilité de créer une dynamique interactive entre intervention sur le terrain et recherche scientifique dans le domaine de la formation. Les terrains ... [more ▼]

Dans cette contribution, nous nous penchons sur la possibilité de créer une dynamique interactive entre intervention sur le terrain et recherche scientifique dans le domaine de la formation. Les terrains d’application se situent tous ici dans le domaine de la santé. Nous présentons quatre configurations d’une telle complémentarité. Chacune d’entre elles représente une articulation différente entre le but de développement des participants et celui de production de savoirs scientifiques. Dans le premier cas, une démarche de recherche est entreprise en amont de la conception d’une formation. La deuxième configuration illustre une recherche scientifique appliquée à un dispositif d’intervention existant et qui vient en retour en modifier la logique. Pour la troisième, il s’agit d’une articulation continue entre recherche et formation s’alimentant mutuellement dans une logique de recherche-action. Enfin, la quatrième partie se penche sur trois dispositifs pédagogiques dont la caractéristique est de combiner des intentions formatives avec des préoccupations de recherche [less ▲]

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See detailLa ceramica della Schola del Traiano a Ostia Antica
Deru, Xavier ULiege; Desbat, Armand; Dienst, Simon ULiege et al

in Forum Romanum Belgicum (in press)

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See detailVirtual Trials of the NICE-SUGAR Protocol: The Impact on Performance of Protocol and Protocol Compliance
Uyttendaele, Vincent ULiege; Dickson, Jennifer L.; Shaw, Geoffrey M. et al

in IFAC-PapersOnLine (in press)

Hypoglycaemia, hyperglycaemia and blood glucose (BG) variability are associated with worsened outcomes in critical care. However, NICE-SUGAR trial showed no clinical benefit from intensive insulin therapy ... [more ▼]

Hypoglycaemia, hyperglycaemia and blood glucose (BG) variability are associated with worsened outcomes in critical care. However, NICE-SUGAR trial showed no clinical benefit from intensive insulin therapy. This study compares the table-based NICE-SUGAR and model-based STAR protocols to assess their relative capability to achieve safe, effective control for all patients. Validated virtual patients (n=443) were used to simulate glycaemic outcomes of the NICE-SUGAR and STAR protocols. Key outcomes evaluate tightness and safety of control for all patients: %BG in 80–144 mg/dL range (PTR); Per-Patient Mean BG (PPM_BG); and Incidence of Hypoglycaemia (BG<40 mg/dL). These metrics determine performance overall, for each patient, and safety. Results are assessed for NICE-SUGAR measuring per-protocol (~24/day) and at reported average rate (~3-hourly; ~8/day). STAR measures 1-3-hourly, averaging 12/day. Per-protocol, STAR provided tight control, with higher PTR (90.7% vs. 78.3%) and tighter median [IQR] PPM_BG (112[106-119] vs. 117[106–137] mg/dL), and greater safety from hypoglycaemia (5 (1%) vs. 10 patients (2.5%)) compared to NICE-SUGAR simulations as per protocol. The 5-95th percentile range PPM_BG for NICE-SUGAR (97–185 mg/dL) showed ~5% of NICE-SUGAR patients had mean BG above 180mg/dL matching clinically reported performance. STAR’s 5th-90th PPM_BG percentile range was (97–146 mg/dL). Measuring as recorded clinically, NICE-SUGAR had PTR of 77%, PPM_BG of 122 [110-140] mg/dL and 24(6%) of patients experienced hypoglycaemia. These results match clinically reported values well (mean BG 115 vs. 118 mg/dL clinically vs. simulation, clinically 7% of patients had a hypoglycaemic event). Glycaemic control protocols need to be both safe and effective for all patients before potential clinical benefits can be assessed. NICE-SUGAR clinical results do not match results expected from their protocol, and show reduced safety and performance in comparison to STAR. [less ▲]

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See detailThe role of conservators: an international survey on conservation within contemporary art collections
D'Haenens, Manon ULiege

in CeROArt : Conservation, Exposition, Restauration d'Objets d'Art (in press)

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See detailNeuro-functional correlates of the protective effects of exercise against cocaine sensitization and dopamine D2 receptors density: a [18F]Fallypride microPET study.
Becker, Guillaume ULiege; Lespine, Louis-Ferdinand ULiege; Serrano Navacerrada, Maria Elisa ULiege et al

in Molecular Imaging & Biology (in press)

Preclinical studies suggest that free access to a running wheel can attenuate behavioural effects of addictive drugs such as psychomotor sensitization to cocaine in rodents. This phenomenon has an ... [more ▼]

Preclinical studies suggest that free access to a running wheel can attenuate behavioural effects of addictive drugs such as psychomotor sensitization to cocaine in rodents. This phenomenon has an integral role in the process of drug addiction in craving and relapse (Steketee and Kalivas, 2011). Free wheel-running was recently shown to be efficacious at preventing the initiation or the long-term expression of psychomotor sensitization to cocaine in mice or rats (Diaz et al., 2013; Geuzaine and Tirelli, 2014). In the present study, we investigated the neuro-functional correlates of the protection against psychomotor sensitization to cocaine afforded by free wheel-running on dopaminergic neurotransmission, using microPET imaging with [18F]Fallypride, a Dopamine 2 receptor (D2R) antagonist. Sixty-four 28-day-old female C57BL/6J mice were randomly assigned to one of the two housing conditions, defined by the presence or the absence of a running wheel in the cage over a 6-week pre-testing period. Since mice from the two types of housing received either saline (controls) or cocaine (8 mg/kg, i.p.) during testing (9 once-daily sessions to establish sensitization plus 1 single session to test its expression), a basic 2x2 randomized blocks design was generated (2-way ANOVA and planned comparisons; n=10). Experimentation lasted 85 days, with a 42-day period of pre-testing and a 3-week interval preceding the test for long-term expression of sensitization (LTES). All mice underwent a microPET (Focus 120, Siemens) the day after the LTES. The microPET protocol consisted of a 60 min. dynamic acquisition after the injection of 10 MBq of [18F]Fallypride in the tail vein. Wheel-running strongly and significantly attenuated LTES (interaction) to cocaine (Cohen’s d=1.63; t(21)=3.75, p<.001) and cocaine-treated mice exhibited a clear-cut and significant increase (main effect) of the [18F]Fallypride BP (d=0.88, t(31)=2.45, p =.02). Wheel-running induced an overall moderate-sized decrease (main effect) of the [18F]Fallypride BP, but without achieving statistical significance (d=0.64, t(31)=1.79, p =.08). These findings suggest that LTES is associated with an increase of the [18F]Fallypride BP in the mouse striatum, probably reflecting an increase in postsynaptic D2R density in this region. Also, the protecting effect of free running on psychomotor sensitization goes together with a decrease in D2R density in the striatum of exercised mice. We intend to complement the present study with an identical experiment to reach a total number of 80 mice (n=20). This will confer to our study a sufficient power (80%) for the main effect of wheel-running exercise on [18F]Fallypride BP to be detected at an alpha-level of 5%. Finally, autoradiography studies, performed on the same mice with [18F]Fallypride, will strengthen our in vivo results. [less ▲]

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See detailDiscovering Routers in Load-balanced Paths
Grailet, Jean-François ULiege; Donnet, Benoît ULiege

in 13th International Conference on emerging Networking EXperiments and Technologies Student Workshop (2017, December 12)

Usually, a set of Traceroute measurements collected for a large amount of target IPs contain one or several route hops at which the IP interfaces vary from one measurement to another. These variations ... [more ▼]

Usually, a set of Traceroute measurements collected for a large amount of target IPs contain one or several route hops at which the IP interfaces vary from one measurement to another. These variations occur even if several measurements share the same length and the same last hops. This is likely a consequence of load balancing, a traffic engineering policy which aims at sharing the load to ensure quality of service. In this paper, we consider the problem of conducting alias resolution on IP interfaces discovered via Traceroute and which are involved in load balancing. By conducting alias resolution in such a context, we want to verify if the IP interfaces involved in load balancing belong to unique routers, and more broadly, how relevant is alias resolution in this context. To do so, we use a slightly edited version of TreeNET, a topology discovery tool which relies on a tree-like structure based on Traceroute measurements to map a target domain. The upgraded TreeNET along the measurements described in this paper are both freely available online. [less ▲]

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See detailAn Observation-Based Middlebox Policy Taxonomy
Edeline, Korian ULiege; Donnet, Benoît ULiege

in 13th International Conference on emerging Networking EXperiments and Technologies Student Workshop (2017, December 12)

Recent years have seen the rise of middleboxes, such as NATs, firewalls, or TCP accelerators. Those middleboxes play an important role in today's Internet, including enterprise networks and cellular ... [more ▼]

Recent years have seen the rise of middleboxes, such as NATs, firewalls, or TCP accelerators. Those middleboxes play an important role in today's Internet, including enterprise networks and cellular networks. However, despite their undisputable success in modern network architecture, their actual impact on packets, traffic, and network performance is not that much understood. In this paper, we propose a path impairment oriented middlebox classification that aims at categorizing the initial purpose of a middlebox policy as well as its potential complications. [less ▲]

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See detailThrough the Wormhole: Tracking Invisible MPLS Tunnels
Vanaubel, Yves ULiege; Mérindol, Pascal; Pansiot, Jean-Jacques et al

in ACM Internet Measurement Conference (2017, November)

For years, Internet topology research has been conducted through active measurement. For instance, CAIDA builds router level topologies on top of IP level traces obtained with traceroute. The resulting ... [more ▼]

For years, Internet topology research has been conducted through active measurement. For instance, CAIDA builds router level topologies on top of IP level traces obtained with traceroute. The resulting graphs contain a significant amount of nodes with a very large degree, often exceeding the actual number of interfaces of a router. Although this property may result from inaccurate alias resolution, we believe that opaque MPLS clouds made of invisible tunnels are the main cause. Using Layer-2 technologies such as MPLS, routers can be configured to hide internal IP hops from traceroute. Consequently, an entry point of an MPLS network appears as the neighbor of all exit points and the whole Layer-3 network turns into a dense mesh of high degree nodes. This paper tackles three problems: the revelation of IP hops hidden by MPLS tunnels, the MPLS deployment underestimation, and the overestimation of high degree nodes. We develop new measurement techniques able to reveal the presence and content of invisible MPLS tunnels. We assess them through emulation and cross-validation and perform a large-scale measurement campaign targeting suspicious networks on which we apply statistical analysis. Finally, based on our dataset, we look at basic graph properties impacted by invisible tunnels. [less ▲]

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See detailIsotopic Ratios in a Peculiar Outbursting Comet
Yang, Bin; Hutsemekers, Damien ULiege; Shinnaka, Yoshiharu et al

in Bulletin of the American Astronomical Society (2017, October 01), 49

Isotopic ratios in comets provide keys for the understanding of the origin of cometary material, and the physical and chemical conditions in the early Solar Nebula. A newly discovered peculiar comet, C ... [more ▼]

Isotopic ratios in comets provide keys for the understanding of the origin of cometary material, and the physical and chemical conditions in the early Solar Nebula. A newly discovered peculiar comet, C/2015 ER61, underwent an outburst with a total brightness increase of 2 magnitudes on the night of April 4th, 2017. The sharp increase in brightness offers a rare opportunity to measure the isotopic ratios of the light elements of this comet. We obtained two high-resolution spectra of C/2015 ER61 with UVES on Apr. 13 and Apr. 17 respectively. At the time of our observations, the comet was fading gradually since the outburst. We measured the 12C/13C and 14N/15N isotopic ratios from the CN Violet (0,0) band. In addition, we determined the 14N/15N ratio in NH2 for C/2015 ER61 from four pairs of NH2 isotopologue lines. Some 18OH lines were detected but the S/N of these lines is too low to derive a reliable 18O/16O estimate. We will present our UVES spectra of C/2015 ER61, obtained shortly after the outburst. We will also present the comparison of the Isotopic ratios of C/2015 ER61 with those of other comets. [less ▲]

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See detailThe γ Dor stars as revealed by Kepler: A key to reveal deep-layer rotation in A and F stars
Salmon, Sébastien ULiege; Ouazzani, R.-M.; Antoci, V. et al

in EPJ Web of Conferences (2017, September 08), 152

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See detailReliability of a standardized protocol for bedside quadriceps strength measurement in critically ill patients
ROUSSEAU, Anne-Françoise ULiege; Freycenon, Gaëlle ULiege; KELLENS, Isabelle ULiege et al

in Intensive Care Medicine Experimental (2017, September), 5(S2), 327

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See detailAdministration of mesenchymal stromal cells before renal ischemia/reperfusion attenuates kidney injury and modulates renal lipid metabolism in rats
ERPICUM, Pauline ULiege; Rowart, Pascal ULiege; POMA, Laurence ULiege et al

in Transplant International (2017, September), 30(S2), 9004

Background: Mesenchymal stromal cells (MSC) have been demonstrated to attenuate renal ischemia/reperfusion (I/R) damage in rodents. The mecha- nisms of such nephroprotection remain unclear. Materials and ... [more ▼]

Background: Mesenchymal stromal cells (MSC) have been demonstrated to attenuate renal ischemia/reperfusion (I/R) damage in rodents. The mecha- nisms of such nephroprotection remain unclear. Materials and Methods: Male Lewis rats aged of 8–10 weeks received tail i.v injection of 1.5x106 MSC in 1 mL saline (MSCD-7, n = 11) or saline alone (SD- 7, n = 6) 7 days before renal I/R. Left renal ischemia (by clamping the renal pedicle) lasted 45 min. Right nephrectomy was simultaneously performed. Blood sample was collected from inferior vena cava 48 h post reperfusion. Renal function was assessed by measuring serum creatinine (SCr) levels. Expressions of inflammatory and apoptotic markers by real-time (RT)-qPCR were comparatively quantified. High-throughput RNA sequencing was applied to MSCD-7 vs. SD-7 non-ischemic right kidneys. Relevant pathways were detected using an Over-Representation Analysis with WebGestalt, and confirmed by RT-qPCR. Results: Scr levels reached 1.4 ` 0.7 vs. 2.4 ` 0.8 mg/dL in MSCD-7 vs. SD-7 group (p < 0.05). MSC infusion significantly reduced mRNA expression of Casp3, Hsp 70, Kim-1, Mcp-1 and Il-6 and increased mRNA expression of Bcl compared to saline. Among 25 908 genes, 748 were identified as significantly differentially expressed (False Discovery Rate (FDR), <0.05) between MSCD-7 and SD-7 non-ischemic kidneys. Among the most affected metabolic pathways, renal lipid metabolism was significantly altered, with down-regulation of fatty acid biosynthesis and an up-regulation of PPARa pathway in MSCD-7 vs. SD-7 groups. By immunoblotting, PPARa and phosphorylated-PPARa were significantly increased in MSCD-7 vs. SD-7 kidneys, in both non-ischemic and ischemic conditions. Moreover, levels of malondialdehyde-derived lipid peroxidation products were decreased in MSCD-7 ischemic kidneys in comparison to SD-7 ischemic kidneys. Conclusion: MSC infusion at day 7 prior injury critically impacts renal lipid metabolism, which may condition kidney parenchyma against I/R. [less ▲]

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See detailLes modes d'acquisition et de transmission du savoir médical dans l'antiquité gréco-romaine
Marganne, Marie-Hélène ULiege

in Histoire des Sciences Médicales (2017, September), 51(2), 163-173

This paper aims to define and describe the ways of acquiring and transmitting medical knowledge in Greco-Roman Antiquity through an analysis of literary, archaeological, and, primarily, papyrological ... [more ▼]

This paper aims to define and describe the ways of acquiring and transmitting medical knowledge in Greco-Roman Antiquity through an analysis of literary, archaeological, and, primarily, papyrological sources. The methods and practices revealed by these sources include experiment, analogy, and imitation, oral and written teaching, the composition and copying of books (illustrated or not), as well as the elaboration of commentaries, abridgments, questionnaires, and word lists. These modes of knowledge transfer were intended not only for medical practitioners and students, but also for philiatroi, for generally educated people, as well as for scribes, and eventually tachygraphers, of medical books. [less ▲]

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See detailLes références à la maladie et à son traitement dans les archives de Zénon
Ricciardetto, Antonio ULiege

in Histoire des Sciences Médicales (2017, September), LI(2), 153-162

Amongst the 1837 papyri from the archive of Zenon, the private secretary to Apollonius, finance minister to Ptolemy II Philadelphus (285-246 BC), about twenty private Greek letters refer to ailments ... [more ▼]

Amongst the 1837 papyri from the archive of Zenon, the private secretary to Apollonius, finance minister to Ptolemy II Philadelphus (285-246 BC), about twenty private Greek letters refer to ailments suffered either by the sender or the recipient of the letter, or by a third party. How do these letters, which were not written by medical professionals, designate and describe diseases, their evolution and their outcome? This paper attempts to answer this question, while highlighting the contribution of these documents to the history of health and illness in Ptolemaic Egypt. [less ▲]

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See detailEnhancing CIDOC - CRM and compatible models with the concept of multiple interpretation
Van Ruymbeke, Muriel ULiege; Hallot, Pierre ULiege; Billen, Roland ULiege

in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (2017, August 17), Volume IV-2/W2

Modelling cultural heritage and archaeological objects is used as much for management as for research purposes. To ensure the sustainable benefit of digital data, models benefit from taking the data ... [more ▼]

Modelling cultural heritage and archaeological objects is used as much for management as for research purposes. To ensure the sustainable benefit of digital data, models benefit from taking the data specificities of historical and archaeological domains into account. Starting from a conceptual model tailored to storing these specificities, we present, in this paper, an extended mapping to CIDOC-CRM and its compatible models. Offering an ideal framework to structure and highlight the best modelling practices, these ontologies are essentially dedicated to storing semantic data which provides information about cultural heritage objects. Based on this standard, our proposal focuses on multiple interpretation and sequential reality. [less ▲]

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See detailPOINT CLOUD CLASSIFICATION OF TESSERAE FROM TERRESTRIAL LASER DATA COMBINED WITH DENSE IMAGE MATCHING FOR ARCHAEOLOGICAL INFORMATION EXTRACTION
Poux, Florent ULiege; Neuville, Romain ULiege; Hallot, Pierre ULiege et al

in ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences (2017, August 16), IV-2/W2

Reasoning from information extraction given by point cloud data mining allows contextual adaptation and fast decision making. However, to achieve this perceptive level, a point cloud must be semantically ... [more ▼]

Reasoning from information extraction given by point cloud data mining allows contextual adaptation and fast decision making. However, to achieve this perceptive level, a point cloud must be semantically rich, retaining relevant information for the end user. This paper presents an automatic knowledge-based method for pre-processing multi-sensory data and classifying a hybrid point cloud from both terrestrial laser scanning and dense image matching. Using 18 features including sensor’s biased data, each tessera in the high-density point cloud from the 3D captured complex mosaics of Germigny-des-prés (France) is segmented via a colour multi-scale abstraction-based featuring extracting connectivity. A 2D surface and outline polygon of each tessera is generated by a RANSAC plane extraction and convex hull fitting. Knowledge is then used to classify every tesserae based on their size, surface, shape, material properties and their neighbour’s class. The detection and semantic enrichment method shows promising results of 94% correct semantization, a first step toward the creation of an archaeological smart point cloud. [less ▲]

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See detailAn efficient algorithm to decide periodicity of b-recognisable sets using MSDF convention
Boigelot, Bernard ULiege; Mainz, Isabelle ULiege; Marsault, Victor ULiege et al

in Leibniz International Proceedings in Informatics (2017, August), 80

Given an integer base b>1, a set of integers is represented in base b by a language over {0,1,...,b-1}. The set is said to be b-recognisable if its representation is a regular language. It is known that ... [more ▼]

Given an integer base b>1, a set of integers is represented in base b by a language over {0,1,...,b-1}. The set is said to be b-recognisable if its representation is a regular language. It is known that eventually periodic sets are b-recognisable in every base b, and Cobham's theorem implies the converse: no other set is b-recognisable in every base b. We are interested in deciding whether a $b$-recognisable set of integers (given as a finite automaton) is eventually periodic. Honkala showed that this problem is decidable in 1986 and recent developments give efficient decision algorithms. However, they only work when the integers are written with the least significant digit first. In this work, we consider the natural order of digits (Most Significant Digit First) and give a quasi-linear algorithm to solve the problem in this case. [less ▲]

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See detailMonitoring of comets activity and composition with the TRAPPIST-North telescope
Moulane, Youssef ULiege; Benkhaldoun, Zouhair; Jehin, Emmanuel ULiege et al

in Journal of Physics: Conference Series (2017, July), 869

TRAPPIST-North (TRAnsiting Planets and PlanetesImals Small Telescope) is a 60-cm robotic telescope that was installed in May 2016 at the Oukaimeden Observatory. The project is led by the University of ... [more ▼]

TRAPPIST-North (TRAnsiting Planets and PlanetesImals Small Telescope) is a 60-cm robotic telescope that was installed in May 2016 at the Oukaimeden Observatory. The project is led by the University of Liège (Belgium) and the Caddi Ayad University of Marrakech (Morocco). This telescope is a twin of the TRAPPIST-South telescope, which was installed at the ESO La Silla Observatory in 2010. The TRAPPIST telescopes are dedicated to the detection and characterization of planets orbiting stars other than our Sun (exoplanets) and the study of comets and other small bodies in our solar system. For the comets research, these telescopes have very sensitive CCD cameras with complete sets of narrow band filters to measure the production rates of several gases (OH, NH, CN, C3 and C2) and the dust. With TRAPPIST-North we can also observe comets that would not be visible in the southern hemisphere. Therfore, with these two telescopes, we can now observe continuously the comets around their orbit. We project to study individually the evolution of the activity, chemical composition, dust properties, and coma morphology of several comets per year and of different origins (New comets and Jupiter Family comets) over a wide range of heliocentric distances, and on both sides of perihelion. We measure the production rates of each daughter molecules using a Haser model, in addition to the Afρ parameter to estimate the dust production in the coma. In this work, we present the first measurements of the production rates of comet C/2013 X1 (PANSTARRS) observed with TN in June 2016, and the measurements of comet C/2013 V5 (Oukaimeden) observed in 2014 with TRAPPIST-South. [less ▲]

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See detailVibration Induced Phenomena in Granular Media in Microgravity
Opsomer, Eric ULiege; Noirhomme, Martial ULiege; Vandewalle, Nicolas ULiege

in EPJ Web of Conferences (2017, June 30)

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See detailSmall solar system bodies as granular systems
Hestroffer, Daniel; Campo Bagatin, Adriano; Losert, Wolfgang et al

in EPJ Web of Conferences (2017, June 30)

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See detailDeformation measurements by ESPI of the surface of a heated mirror and comparison with numerical model
Languy, Fabian ULiege; Vandenrijt, Jean-François ULiege; Saint-Georges, Philippe et al

in Proceedings of SPIE (2017, June 26), 103291M

The manufacture of mirrors for space application is expensive and the requirements on the optical performance increase over years. To achieve higher performance, larger mirrors are manufactured but the ... [more ▼]

The manufacture of mirrors for space application is expensive and the requirements on the optical performance increase over years. To achieve higher performance, larger mirrors are manufactured but the larger the mirror the higher the sensitivity to temperature variation and therefore the higher the degradation of optical performances. To avoid the use of an expensive thermal regulation, we need to develop tools able to predict how optics behaves with thermal constraints. This paper presents the comparison between experimental surface mirror deformation and theoretical results from a multiphysics model. The local displacements of the mirror surface have been measured with the use of electronic speckle pattern interferometry (ESPI) and the deformation itself has been calculated by subtracting the rigid body motion. After validation of the mechanical model, experimental and numerical wave front errors are compared. [less ▲]

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See detailLeibniz and the Polyp, or the Metaphysical Puzzle of Life
Dony, Arthur ULiege

in Scienza e Philosophia (2017, June), 17

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See detailEstablishment of reference values for 6 six steroids in serum
LE GOFF, Caroline ULiege; Fabregat Cabello, Neus ULiege; Huyghebaert, Loreen ULiege et al

in Clinical Chemistry and Laboratory Medicine (2017, June)

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See detailQuantification of serum androstanediol glucuronide
LE GOFF, Caroline ULiege

in Clinical Chemistry and Laboratory Medicine (2017, June)

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See detailEmpathie et culpabilité : les émotions au coeur du lien social
Devillers, Bérengère ULiege

in Actes des 17èmes journées de valorisation de la recherche « La place des émotions dans le travail socio-éducatif » (2017, June)

Bonjour à tous, et merci aux organisateurs de m’avoir invitée. C’est un plaisir pour moi d’être là aujourd’hui parmi vous. Je vais tout d’abord revenir sur la traduction du « Good Lives Model ». Plusieurs ... [more ▼]

Bonjour à tous, et merci aux organisateurs de m’avoir invitée. C’est un plaisir pour moi d’être là aujourd’hui parmi vous. Je vais tout d’abord revenir sur la traduction du « Good Lives Model ». Plusieurs traductions sont communément admises, les plus connues étant celles de « modèle de bonne vie » ou « modèle de vie satisfaisante » ou encore « modèle de vies saines ». Il faut savoir que le groupe Antigone, dans lequel je travaille, n’adhère pas vraiment à ces définitions. En effet, nous trouvons que les traductions françaises proposées enferment le sujet dans une vision prescriptive de ce que devraient être les besoins, qu’elles laissent entendre qu’il y aurait des besoins universels auxquels tous les individus devraient répondre. Or nous ne nous y retrouvons pas et cela ne correspond pas à l’intention de Ward qui veut faire référence à une manière de vivre qui est bénéfique pour le sujet lui-même. Je vous propose donc de garder l’appellation anglophone, « Good Lives Model ». Je vais revenir à l’émergence de ce modèle : il s’agit d’un modèle de réhabilitation qui a vu le jour au début des années 2000 sous l’impulsion de Tony Ward, tout d’abord pour le public des auteurs d’infractions à caractère sexuel. Cependant, il s’est rapidement étendu à d’autres populations, notamment les auteurs de violences domestiques, le public psychiatrique, et ce pour le public aussi bien adolescent qu’adulte. D’autres adaptations ont depuis vu le jour, notamment à l’initiative d’un service français, l’ARCA, qui est spécialisé en recherche et en intervention en délinquance sexuelle, et où le directeur, Erwan Dieu, a adapté le Good Lives Model au public radicalisé. Plusieurs expériences ont également été menées en Belgique, notamment une à l’hôpital des Marronniers, à Tournai, dans une unité de défense sociale qui accueille des délinquants sexuels. L’équipe a décidé, suite à une formation, de reprendre les outils du Good Lives Model et de les adapter avec les patients, afin qu’ils correspondent à leur langage, à leur niveau de compréhension et donc à leurs besoins. Le GLM se veut avant tout humaniste, positiviste et tout à fait écologiste, parce qu’il tient compte des différents systèmes qui gravitent autour de la personne. Il a pour première cible de traitement le développement des besoins humains fondamentaux. Sa deuxième cible est la réduction du risque de récidive, mais qui se veut être un effet de la poursuite du bien-être et des besoins des personnes. Le Good Lives Model comprend des principes théoriques et des implications cliniques. Selon un principe prioritaire au niveau théorique, nous considérons que le délinquant est animé par les mêmes besoins humains que tout un chacun, mais que les voies qu’il emprunte ne sont pas pro-sociales. Nous mettrons donc la notion de besoin au centre de la prise en charge, bien plus que le passage à l’acte délinquant. Le principe clinique qui me paraît être le plus en lien avec le thème qui nous occupe aujourd’hui est peut-être la notion de responsabilité à substituer à celle de culpabilité. Je ne connais pas précisément votre cadre légal protectionnel de la jeunesse. En Belgique, dans les mesures qui sont privilégiées par le magistrat de la jeunesse dès lors qu’un jeune a commis un fait qualifié d’infraction, nous retrouvons les mesures réparatrices, mais dans une visée de responsabilisation du jeune, de prise en compte des conséquences dommageables pour les victimes. Tel est le mandat qui est confié aux équipes chargées du suivi du jeune. Dans le cadre de la philosophie du modèle GLM, nous verrons s’opérer un glissement de la notion de responsabilité, qui reposait avant tout sur les épaules du jeune, vers celles de l’intervenant psychosocial et de son environnement proche : les familiers, mais aussi tous les intervenants gravitant autour du jeune. Par quoi cela passe-t-il concrètement ? Tout d’abord le GLM est attentif à la définition du problème. Bien souvent, le problème est libellé soit dans les rapports qui ont été rédigés par au sujet du jeune, soit dans l’ordonnance qui précise notamment la qualification des faits. Nous laisserons cela de côté, et nous repartirons avec le jeune de la définition du problème tel qu’elle se pose pour lui, dans l’ici et maintenant. Nous ne repartirons donc pas du passé, mais nous nous centrerons sur les conséquences pour lui et pour son environnement dans le présent, ce qui suppose que nous devrons nous accorder sur les buts et objectifs de la prise en charge. Le jeune et les intervenants seront donc associés aux différentes phases du plan de traitement, où les intervenants psychosociaux auront également une responsabilité. Par conséquent, ils s’engageront à réaliser des démarches avec le jeune. Par quoi passe encore cette responsabilité ? L’intervenant psychosocial devra créer les conditions propices à un engagement et à un maintien du jeune dans la prise en charge. La notion de disposition au traitement (Treatment Readiness, Ward et al., 2004) nous éclaire ici sur cette question de l’engagement tant de l’usager que de l’intervenant dans le processus de changement. En effet, la disposition au traitement est définie comme étant « la présence de caractéristiques (états et dispositions) dans le chef du délinquant mais aussi de la situation thérapeutique qui sont susceptibles de promouvoir l’engagement dans la thérapie et donc l’amélioration des aptitudes au changement thérapeutique » (Ward et al., 2004). Il existe également un langage assez particulier qui devra être adapté aux besoins et au niveau de développement du jeune. Tony Ward avait initialement énoncé onze besoins fondamentaux, et le GMAP, qui est le service en Nouvelle-Zélande ayant adapté le GLM pour les adolescents, a réduit le nombre de besoins à huit. Les besoins couvriront surtout la santé (émotionnelle, en général et sexuelle) ainsi que les besoins de réalisation, d’amusement, de trouver un sens à sa vie et de développer des relations. Nous travaillerons donc beaucoup tout ce qui est du registre des émotions, soit tout d’abord pouvoir identifier ses émotions avant de pouvoir les gérer. Dans les questions en lien avec le modèle de réhabilitation, il est vrai que nous travaillons le lien social. Or, dans l’optique GLM, nous ferons d’abord passer le lien social par un lien à restaurer du jeune vis-à-vis de lui-même. Dans l’optique GLM, nous considérerons que travailler le lien social et la réparation d’un dommage vis-à-vis de la société sans se soucier d’abord d’une réparation à l’encontre du jeune est anticipé, par rapport au fait de vouloir d’emblée se lancer dans une logique de réparation. Par conséquent, un accent est mis sur une alliance thérapeutique, et le jeune se sentira beaucoup plus concerné puisque nous partirons de sa définition à lui du problème, telle qu’elle se pose pour lui avant tout. Il pourra alors retrouver un sens, et quelque part, sortir un peu de cette stigmatisation, de cet étiquetage qui lui pèse et qui est souvent lié à tout son parcours, ou qui transparaît au travers des différents rapports, des diverses rencontres avec le magistrat ou les intervenants. Cette optique de travail pourra permettre également au jeune de sortir de ses mécanismes de défense, de faciliter une distanciation par rapport aux mécanismes habituels de minimisation, de déni, d’opposition, et nous verrons que les équipes ou les intervenants qui s’imprègnent de principes liés au GLM pourront s’inscrire davantage dans des rapports relationnels s’éloignant de rapports d’opposition, de recadrage (tels que souvent vécus par les équipes). Pour revenir sur l’expérience menée aux Marronniers, il a été constaté, dans les effets au premier plan, une amélioration de la qualité relationnelle avec les patients. Ceux-ci étaient tout à fait étonnés que l’équipe se détache du travail centré exclusivement sur les passages à l’acte, la récidive, les perspectives de réhabilitation, pour s’intéresser à leurs besoins. Le deuxième effet observé concerne le bien-être des travailleurs, qui s’est traduit par une réduction significative du taux d’absentéisme. L’équipe psycho-sociale ressentant en effet davantage de plaisir à travailler les forces plutôt que les déficits de leurs patients. Avec le jeune, nous travaillons aussi la question de la responsabilité active : toujours dans la notion d’ici et maintenant, que pourra engager le jeune, par exemple si un membre de la famille est toujours très préoccupé, s’il s’agit d’un abus intrafamilial, par la réalité du risque au quotidien ? Que peut dire le jeune de son rapport à la sexualité, mais vraiment dans l’ici et maintenant et dans des perspectives futures, dans ce qu’il peut mettre en place pour rassurer sa famille ? Nous travaillons donc le projet du jeune centré sur ses besoins et son avenir, et beaucoup moins le passé. Cela ne veut pas dire qu’il n’y a pas de place pour le travail sur l’empathie, sur les habilités relationnelles, personnelles et sociales, mais nous nous recentrons d’abord sur le jeune, sur les situations d’adversité qu’il a pu rencontrer durant sa trajectoire de vie afin de favoriser une expression libre de ses émotions. Comme nous l’avons vu avec notre collègue Nadine Lanctôt, bien souvent, nous pointons du doigt tous les éléments de victimisation, maltraitance sexuelle, négligence, mais nous oublions tout l’effet des violences plus émotionnelles, plus insidieuses, qui ont également des effets tout à fait délétères sur le développement du jeune. Ainsi, nous trouvons important de travailler toute cette reconnexion du jeune à ses différents états émotionnels, afin qu’il puisse distinguer le registre des idées, des émotions, des sensations physiologiques, pour ensuite pouvoir refaire ce travail vis-à-vis du passage à l’acte. Le GLM offre un cadre conceptuel et opérationnel utile aux professionnels pour intégrer une gamme d’évaluations et d’informations, de supports théoriques et d’outils d’intervention, dans la perspective d’une compréhension riche, cohérente et complémentaire des (et avec leurs) usagers. [less ▲]

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See detailImpact of an ultra-trail of 330 km on plasma levels
LE GOFF, Caroline ULiege; Kaux, Jean-François ULiege; Gergelé, Laurent et al

in Clinical Chemistry and laboratory medicine (2017, June)

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See detailComparison of cardiac biomarker fluctuation in runners of marathons, semi-marathons and untrained runners
LE GOFF, Caroline ULiege; VRANKEN, Laura ULiege; van Nueten, Jan et al

in Clinical Chemistry & Laboratory Medicine (2017, June)

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See detailReference interval determination for serum and urine aldosterone for healthy Belgian population
LE GOFF, Caroline ULiege; Fabregat Cabello, Neus ULiege; Huyghebaert, Loreen ULiege et al

in Clinical Chemistry & Laboratory Medicine (2017, June)

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See detailNondestructive inspection of aerospace composites by a fiber-coupled laser ultrasonics system
Vandenrijt, Jean-François ULiege; Languy, Fabian ULiege; Thizy, Cédric ULiege et al

in Proceedings of SPIE (2017, June)

Laser ultrasonics is a technique currently studied for nondestructive inspection of aerospace composite structures based on carbon fibers. It combines a pulsed laser impacting the surface generates an ... [more ▼]

Laser ultrasonics is a technique currently studied for nondestructive inspection of aerospace composite structures based on carbon fibers. It combines a pulsed laser impacting the surface generates an ultrasound inside the material, through the nondestructive thermoelastic effect. Second a detection interferometer probes the impacted point in order to measure the displacement of the surface resulting from the emitted ultrasound wave and the echo coming back from the different interfaces of the structure. Laser ultrasonics is of interest for inspecting complex shaped composites. We have studied the possibility of using frequency doubled YAG laser for the generation and which is fiber-coupled, together with a fiber-coupled interferometric probe using a YAG laser in the NIR. Our final system is a lightweight probe attached to a robot arm and which is able to scan complex shapes. The performances of the system are compared for different wavelengths of generations. Also we have studied some experimental parameters of interest such as tolerance to angle and focus distance, and different geometries of generation beams. We show some examples of inspection of reference parts with known defects. In particular C-scans of curved composites structures are presented. [less ▲]

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See detailNGOs and female circumcision in Egypt. An anthropological enquiry
Mescoli, Elsa ULiege

in The Journal of the Anthropology of the Contemporary Middle East and Central Eurasia (2017, June)

In 1994, during the International Conference on Population and Development convened by the United Nations in Cairo, a shocking video was shown, realized by an operator of CNN and depicting the ... [more ▼]

In 1994, during the International Conference on Population and Development convened by the United Nations in Cairo, a shocking video was shown, realized by an operator of CNN and depicting the circumcision of a ten-year-old child living in this very same city. Discourses around female circumcision were not new in Egypt and in the international community, but what was considered as a new episode of a recurrent scandal (not the last one indeed) led to enhance the “war against bad government” (Foucault 2003: 38). A war fought by means of ideological weapons produced by various forms of expert knowledge among which the medical and the feminist ones. The assignment of a value to the state of integrity of the female body and to the women freedom of choice, both designed according to Western canons, led to different actions to “save” Egyptian women. In this context, development agencies foster a widespread representation of the victim, constituted by the woman mutilated body. Such representation is functional to put in place programs which do not guarantee a freedom of choice, but rather require adherence to another female model, one that defines the "modern" woman. My article, based on ethnographic experience, aims at highlighting the complexity of such dynamics and the role played by humanitarianism within them. Female body becomes the arena where local and international economic powers operate, disregarding a real understanding of the practice, its meanings and its eventual change. [less ▲]

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See detailNumerical analysis and design optimization of multi-coil units for latent heat cold storage applications
Hastanin, Juriy ULiege; Salvador, Lucas ULiege

in International Conference on Environment and Renewable Energy (2017, May 04)

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See detailMODELISATION D’UN ECHANGEUR A THERMOSIPHONS POUR LA RECUPERATION DE CHALEUR
Le, Van Long ULiege; Dumas, Xavier; Ferrand, Ludovic et al

in XIIIème Colloque Interuniversitaire Franco-Québécois sur la Thermique des Systèmes (2017, May)

Le présent travail a pour objectif de modéliser un échangeur à thermosiphons diphasiques pour transporter la chaleur d’un effluent gazeux (c.à.d. gaz de combustion) à haute température (720°C) au système ... [more ▼]

Le présent travail a pour objectif de modéliser un échangeur à thermosiphons diphasiques pour transporter la chaleur d’un effluent gazeux (c.à.d. gaz de combustion) à haute température (720°C) au système ORC (cycle organique de Rankine). Les thermosiphons sont placés dans les gaz de combustion et refroidis par le fluide de travail du système ORC (le Cyclopentane pour le cas actuel). Le débit massique des fumées et la puissance thermique de l’échangeur sont respectivement imposés de 21 kg/s et de 4.022 MWth. Le fluide organique s’évapore à une température de 200°C et quitte l’évaporateur sans surchauffe (vapeur saturée). Le modèle de simulation développé dans le logiciel EES (Engineering Equation Solver) est capable de déterminer le nombre nécessaiare de thermosiphons. L’influence des pas transversaux et longitudinaux de l’échangeur sur le nombre de thermosiphons et la perte de charge des fumées est également examinée pour les dispositions quinconces et alignées des tubes de thermosiphons. [less ▲]

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See detailCanopy aerodynamic distance (z-d) estimation and impact on eddy covariance measurements
Hurdebise, Quentin ULiege; De Ligne, Anne ULiege; Vincke, Caroline et al

in Geophysical Research Abstracts 2017 (2017, April 24)

Understanding if and how the spatial and temporal variability of the surrounding environment affects turbulence is essential for long-term eddy covariance measurements above growing and heterogeneous ... [more ▼]

Understanding if and how the spatial and temporal variability of the surrounding environment affects turbulence is essential for long-term eddy covariance measurements above growing and heterogeneous ecosystems. It requires characterizing the surrounding environment. One way to achieve this is to analyse the canopy aerodynamic distance, which is the difference between measurement height (z) and displacement height (d). In this study, twenty years of eddy covariance measurements from the Vielsalm Terrestrial Observatory, a site located in a mixed temperate forest, were used. Canopy aerodynamic distance (z-d) estimates were obtained using two micrometeorological methods: the first one, which is original so far as we know, was based on analysing sensible heat cospectra; the second one was derived from the wind speed profile equation. Canopy height estimates based on inventories were used to validate both methods. The micrometeorological methods allowed the z-d variations due to changes in canopy or measurement height to be detected. In addition, the results obtained using the two methods were well correlated, spatially and temporally, with the z-d derived from canopy height measurements. The micrometeorological approaches used could therefore be a promising tool for investigating z-d variability at a high directional and temporal resolution. Questions remain, however, particularly with regard to the variability observed that cannot be explained by canopy or measurement height variation. Forest management practices and the non-fulfilment of similarity relationships were suspected to be the main explanatory factors. [less ▲]

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See detailThe Belgian Internment Policy as an Example of Hybrid Governance
Pans, Maurice; Darcis, Coralie ULiege

in Tijdschrift voor Bestuurswetenschappen en Publiekrecht (2017, April), 4(4),

Het domein van de zorg voor geïnterneerde personen kent internationaal een omslag. Naast de “criminalisering” van personen met een psychiatrische stoornis die criminele feiten begaan, ontwikkelen er zich ... [more ▼]

Het domein van de zorg voor geïnterneerde personen kent internationaal een omslag. Naast de “criminalisering” van personen met een psychiatrische stoornis die criminele feiten begaan, ontwikkelen er zich nieuwe visies en zorgperspectieven op de kwaliteit van leven en de re-integratie in de maatschappij van zowel personen met psychische kwetsbaarheid als geïnterneerde personen.1 Tot zeer recent werden geïnterneerde personen bijna exclusief benaderd als personen die misdaden of misdrijven hebben gepleegd waar ze door hun psychische stoornis niet voor verantwoordelijk konden worden gesteld. De onderliggende logica van de aanpak was sterk geënt op een model waarbij opsluiting en isolatie van de maatschappij centraal stonden omwille van misdaad. Geïnterneerde personen werden om die reden opgesloten in een gevangenissysteem volgens een justitiële benadering. Het behandelings- en zorgperspectief raakte hierbij ondergesneeuwd. De “criminalisering” van personen met psychische stoornissen heeft in België historisch geleid tot inadequate aanpak en begeleiding van deze groep patiënten. Meerdere veroordelingen van de Belgische Staat door het Europees Hof voor de Rechten van de Mens (EHRM), overvolle gevangenissen, het gebrek aan somatische en psychiatrische gezondheidszorg binnen gevangenissen en psychiatrische annexen en aanbevelingen van het Europees Comité voor de Preventie van Foltering en Onmenselijke of Vernederende Behandeling of Bestraffing (CPT) zijn directe aanleidingen voor het Masterplan Internering (juni 2016)2 en de wet van 5 mei 2014 betreffende de internering van personen3. In deze bijdrage staan we stil bij het Masterplan Internering van 2016 en de nieuwe Interneringswet van 5 mei 2014. We proberen te duiden op welke manier in beide bronnen randvoorwaarden worden gecreëerd voor een hybride bestuursvorm in de sector. We staan kort stil bij beleidsmatige en juridische ontwikkelingen die vooraf gingen. [less ▲]

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See detailAn innovative non-animal chitosan hydrogel is able to restore the rheology of osteoarthritis synovial fluid ex vivo
Henrotin, Yves ULiege; Rocasalbas, Guillem; Chausson, Mickaël et al

in Osteoarthritis and Cartilage (2017, April)

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See detailTraduction en français du "back pain attitudes questionnaire" et étude de ses qualités métrologiques
Demoulin, Christophe ULiege; hALLEUX, V.; DARLOW, B. et al

in Kinesitherapie Revue (2017, April), 184

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See detailÉtude du degré de satisfaction de patients lombalgiques au sujet de la brochure éducative « PAIN fundamentals »
Demoulin, Christophe ULiege; Blanc, A.; Wolfs, Sébastien ULiege et al

in Kinesitherapie Revue (2017, April), 184

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See detailContrôle du mouvement lombopelvien et football
Grosdent, Stéphanie ULiege; Demoulin, Christophe ULiege; Cortès Flores, A. et al

in Kinesitherapie Revue (2017, April), 184

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See detailStudy of the evolution of the osteoarthritis pathology and the mechanical properties of cartilage in a spontaneous osteoarthritis model in the Dunkin-Hartley guinea pigs.
Legrand, Catherine ULiege; Centonze, Prescilia ULiege; Comblain, Fanny ULiege et al

in Osteoarthritis and Cartilage (2017, April), 25

In animal models, the severity of cartilage damage is assessed by histological scores evaluating the structure, the proteoglycan con- tent, the integrity of the tidemark, the cellularity, and osteophytes ... [more ▼]

In animal models, the severity of cartilage damage is assessed by histological scores evaluating the structure, the proteoglycan con- tent, the integrity of the tidemark, the cellularity, and osteophytes. In parallel to these histological analyzes, we studied the mechanical properties of cartilage at different stages of disease progression in the Dunkin-Hartley guinea pigs. We also correlated the severity of histo- logical lesions with the mechanical properties of cartilage. [less ▲]

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See detailA Markov Chain Monte Carlo Cellular Automata Model to Simulate Urban Growth
El Saeid Mustafa, Ahmed Mohamed ULiege; Nishida, Gen; Saadi, Ismaïl ULiege et al

in GEOProcessing 2017 proceedings, The Ninth International Conference on Advanced Geographic Information Systems, Applications, and Services (2017, March 25)

This paper investigates the potential of a cellular automata (CA) model based on logistic regression (logit) and Markov Chain Monte Carlo (MCMC) to simulate the dynamics of urban growth. The model ... [more ▼]

This paper investigates the potential of a cellular automata (CA) model based on logistic regression (logit) and Markov Chain Monte Carlo (MCMC) to simulate the dynamics of urban growth. The model assesses urbanization likelihood based on (i) a set of urban development driving forces (calibrated based on logit) and (ii) the land-use of neighboring cells (calibrated based on MCMC). An innovative feature of this CA model is the incorporation of MCMC to automatically calibrate the CA neighborhood transition rules. The MCMC based CA model is applied to Wallonia region (Belgium) to simulate urban growth from 1990 to 2000 using Corine Land Cover data (CLC). The outcome of logit model is evaluated by the relative operating characteristic (ROC). The simulated map of 2000 is then validated against 2000 actual map based on cell-to-cell location agreement. The model outcomes are realistic and relatively accurate confirming the effectiveness of the proposed MCMC-CA approach. [less ▲]

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See detailImmunomodulatory effects of rapamycin in xenogeneic Graft versus Host Disease
Ehx, Grégory ULiege; Hannon, Muriel ULiege; DUBOIS, Sophie ULiege et al

in Biology of Blood and Marrow Transplantation (2017, March), 23(3), 365366

Graft-versus-host disease (GVHD) remains a major cause of morbidity and mortality after allogeneic hematopoietic stem cell transplantation. Several studies have suggested that rapamycin (RAPA), an mTOR ... [more ▼]

Graft-versus-host disease (GVHD) remains a major cause of morbidity and mortality after allogeneic hematopoietic stem cell transplantation. Several studies have suggested that rapamycin (RAPA), an mTOR inhibitor with immunosuppressive properties, may reduce GVHD severity and mortality, possibly by promoting regulatory T cells (Tregs). However, few data have been reported about the impact of this drug on overall T cell population. The present work aims at investigating the mechanisms by which RAPA impacts GVHD in a humanized mouse model of GVHD (NSG mice infused with human PBMCs). We observed that RAPA injections significantly reduced xenogeneic GVHD lethality and severity. RAPA dramatically reduced human cells chimerism in RAPA mice and increased CD4+/CD8+ T cells balance due to a lower proliferation of CD8+ T cells. In addition, the frequencies of naive CD4+ and CD8+ T cells were higher and the CD4+ T cells showed a reduced effector phenotype (CD45RO+CD27-). Further, the differentiation of helper T cells (Th1, Th2 and Th17) was significantly decreased in treated mice. Tregs were positively affected as RAPA up-regulated their expression of BCL-2 and KI67 as well as their STAT5 phosphorylation level, leading to higher Treg frequency in treated mice. Altogether these data suggest that RAPA ameliorates GVHD by lowering cytotoxic and effector CD4+ T cells frequency as well as promoting Tregs. [less ▲]

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See detailOsteoarthritis increases the risk of cardiovascular disease: data from the osteoarthritis initiative.
Veronese, N.; Smith, T; Reginster, Jean-Yves ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailMetronomic treatments in Pediatric Neuro-Oncology, a new therapeutic alternative?
Fohn, Anaïs; Hoyoux, Claire; DRESSE, Marie-Françoise ULiege et al

in Tijdschrift van de Belgische Kinderarts = Journal du Pédiatre Belge (2017, March), 19(1), 88

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See detailSarcopenia in nursing home residents: the senior cohort.
Buckinx, Fanny ULiege; Reginster, Jean-Yves ULiege; Beaudart, Charlotte ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailLow bone mineral density and fractures are associated with incident cardiovascular disease: a systematic review and meta-analysis.
Veronese, N.; Stubbs, B.; Crepaldi, G. et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailThe relationship between knee osteoarthritis and incident hypertension: a representative longitudinal study.
Veronese, N.; Stubbs, B.; Smith, T. et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailPublic health and economic impact of vitamin D-fortified dairy products for fracture prevention in France.
Hiligsmann, M.; Burlet, N.; Fardellone, P. et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailBone quality assessment among sarcopenic and non sarcopenic elderly subjects from the SarcoPhAge Study.
Locquet, Médéa ULiege; Beaudart, Charlotte ULiege; Delandsheere, Laura ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailThe SarcoPhAge study: evolution of sarcopenic subjects after 2 years of follow-up.
Beaudart, Charlotte ULiege; Locquet, Médéa ULiege; Reginster, Jean-Yves ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailPrevalence of sarcopenia accoring to 10 different operational definitions of the frailty.
Buckinx, Fanny ULiege; Reginster, Jean-Yves ULiege; Beaudart, Charlotte ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailSubjective sleep quality in sarcopenic vs non-sarcopenic older adults from the sarcophage cohort.
Locquet, Médéa ULiege; Beaudart, Charlotte ULiege; Delandsheere, Laura ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailProfile of osteoarthritic patients undergoing total hip and knee arthroplasty.
Neuprez, Audrey ULiege; KURTH, William ULiege; GILLET, Philippe ULiege et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailBiomarkers of osteoarthritis : practical considerations.
CAVALIER, Etienne ULiege; Reginster, Jean-Yves ULiege

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailThe risk of subsequent osteoporotic fractures is decreased in patients experiencing fracture while on denosumab: results from the FREEDOM and FREEDOM Extension studies.
Kendler, D.L.; Chines, A.; Brandi, M.L. et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailDaily management of knee osteoarthritis: from the ESCEO algorithm to the CONCEPT study.
Reginster, Jean-Yves ULiege

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailAbaloparatide-SC for postmenopausal osteoporosis: analysis of the number needed to treat compared with teriparatide.
Reginster, Jean-Yves ULiege; Black, D.M.; Hattersley, G. et al

in Osteoporosis International (2017, March), 28 Suppl 1

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See detailImpact of an ultra-marathon of 330km on plasma levels of cardiac biomarkers
Le Goff, Caroline ULiege; Kaux, Jean-François ULiege; Gergelé, Laurent et al

in British Journal of Sports Medicine (2017, February), 51(4), 347

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See detailIntention, image et singularité selon le premier Sartre : réflexion sur les propriétés et les fonctions de l'acte d'imagination
Recchia, Fabio ULiege

in Bulletin d'Analyse Phénoménologique (2017, February)

Partant d’une problématisation de la méthode phénoménologique mise en jeu par "L’Imaginaire", nous proposons de relire les développements de ce texte à partir de la perspective offerte par la théorie de ... [more ▼]

Partant d’une problématisation de la méthode phénoménologique mise en jeu par "L’Imaginaire", nous proposons de relire les développements de ce texte à partir de la perspective offerte par la théorie de l’intentionnalité du premier Sartre. Nous tenterons ainsi de dégager l’unité systématique du projet sartrien d’une « phénoménologie de l’image » en le rapportant aux propositions philosophiques posées de manière décisive par "l’article sur l’intentionnalité". Par ce biais, il s’agira également de fixer les propriétés de la conscience imageante, ainsi que les fonctions jouées par l’acte d’imagination dans l’économie générale de la conscience, en particulier dans l’événement de sa personnalisation. De sorte que nous parcourons les tensions reliant l’imagination de la conscience à son ipséité ; tandis que, du point de vue de l’histoire de la philosophie, nous examinerons certaines des torsions qu’appliqua Sartre sur l’analyse husserlienne de l’image afin d’approfondir celle-ci dans la direction d’une philosophie de la liberté personnelle du sujet. [less ▲]

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See detailUne série consécutive de 125 greffes hépatiques à partir de donneurs cadavériques en mort circulatoire
DETRY, Olivier ULiege; MEURISSE, Nicolas ULiege; HANS, Marie-France ULiege et al

in Transplant International (2017, January), 30(Suppl 1), 2481

Introduction: Donation after circulatory death (DCD) has been proposed to partially overcome the organ donor shortage. DCD-LT remains controversial, with reported increased risk of graft loss and ... [more ▼]

Introduction: Donation after circulatory death (DCD) has been proposed to partially overcome the organ donor shortage. DCD-LT remains controversial, with reported increased risk of graft loss and retransplantation. The authors retrospectively reviewed a single centre experience with controlled DCD-LT in a 14-year period. Patients and Methods: 125 DCD-LT were consecutively performed between 2003 and 2016. All donation and procurement procedures were performed as controlled DCD in operative rooms. Data are presented as median (ranges). Median donor age was 56 years (16–84). Most grafts were flushed with HTK solution in the first part of experience, and more recently with IGL1. Allocation was centre-based. Median follow-up was 52 (1–164) months. No patient was lost to follow-up. Results: Median total DCD warm ischemia was 19 min (9–39). Median cold ischemia was 238 min (105–576). Patient survivals were 90.2%, 77.5% and 74.5 % at 1.3 and 5 years, respectively. Graft survivals were 87.7%, 76.3% and 73.2% at 1.3 and 5 years, respectively. Biliary complications included anas- tomotic strictures and extrahepatic main bile duct ischemic obstruction, that were managed either by endoscopy or hepatico-jejunostomy. No PNF was observed in this series and one graft was lost due to ischemic cholangiopathy. Discussion: In this series, DCD LT appears to provide results similar to classical LT. Short cold ischemia and recipient selection with low MELD score may be the keys to good results in DCD LT, in terms of graft survival and avoidance of ischemic cholangiopathy. [less ▲]

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See detailUNE INJECTION UNIQUE DE CELLULES STROMALES MESENCHYMATEUSES AU JOUR 3 APRES GREFFE HEPATIQUE EST INSUFFISANTE POUR INDUIRE UNE TOLERANCE OPERATIONNELLE
DETRY, Olivier ULiege; VANDERMEULEN, Morgan ULiege; DELBOUILLE, Marie-Hélène ULiege et al

in Transplant International (2017, January), 30(suppl 1), 812

Introduction: Mesenchymal stromal cell (MSC) infusion could be a mean to establish donor-specific immunological tolerance in solid organ recipients. The aim of this phase 2 study was test the hypothesis ... [more ▼]

Introduction: Mesenchymal stromal cell (MSC) infusion could be a mean to establish donor-specific immunological tolerance in solid organ recipients. The aim of this phase 2 study was test the hypothesis of possible induction of operative tolerance by third-party MSC in liver transplant (LT) recipients. Methods: 10 stable and low-risk LT recipients under standard immunosup- pression (Tac-MMF- low dose steroids) received 1.5–3 9 106/kg third-party MSCs on post-operative day 3 ` 2. By protocol, progressive weaning of immunosuppression was attempted in patients who did not develop rejection and had normal graft function and month-6 graft biopsy. Tacrolimus was progressively tapered from day 180 to be discontinued by day 270. After day- 270 graft biopsy, MMF was progressively tapered and definitely discontinued by day 365 in the absence of rejection. Results: One patient from the MSC group was excluded from immunosup- pression withdrawal attempt due to HCC recurrence, and the 9 others met the necessary criteria. In one patient, tacrolimus and MMF withdrawal was performed without rejection. In two patients, MMF monotherapy was achieved at month 9, but graft rejection occurred during MMF withdrawal and was successfully treated by tacrolimus reintroduction. In 6 patients, the transam- inases significantly increased during tacrolimus withdrawal. In these cases, withdrawal was cancelled and liver tests normalised after increase of the tacrolimus dose. No graft was lost due to the withdrawal attempt. Conclusion: A single post transplant MSC injection is not sufficient to induce operative tolerance after LT. [less ▲]

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See detailUne anomalie du Congrès de Vienne : le Territoire neutre de Moresnet : Repenser la frontière politique et linguistiqueomalie du Congrès de Vienne : le Territoire neutre de Moresnet : Repenser la frontière politique et linguistique
Robelin, Cyril ULiege

in Austriaca (2017, January)

An anomaly in the Congress of Vienna: Neutral Moresnet or how to rethink the political and linguistic boundaries. Neutral-Moresnet was a 3.4 km² neutral territory near Aachen. Its history is the result of ... [more ▼]

An anomaly in the Congress of Vienna: Neutral Moresnet or how to rethink the political and linguistic boundaries. Neutral-Moresnet was a 3.4 km² neutral territory near Aachen. Its history is the result of a misunderstanding. In Article 25 of the Vienna Final Act, Moresnet is annexed to Prussia, but in Article 66 this province is placed under Dutch sovereignty. In the site of "Vieille-Montagne” an important zinc mine is discovered. They decided to establish co-sovereignty. From then on, two commissioners oversee the area. Over time, Moresnet developed a national folklore, especially with the process of Nation-State at the end of the 19th century. This triangle is seen by foreign observers as the smallest country in the world and even as an "imaginary country" (vampires, new Eldorado). Some Esperantists hoped to make Moresnet the country of international languages ​​because in this tiny territory German, French and dialects are spoken. Moresnet rethinks the concept of border. After the Treaty of Versailles in 1919, this small state belongs to Belgium. [less ▲]

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See detailImpact of the cumulated proteins and energy deficits on ICU patient’s outcome
PAGE, Isaline ULiege; Warnier, Stéphanie; NYS, Monique ULiege et al

in Annals of Intensive Care (2017, January), 7(Suppl1), 200

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See detailQuartz-enhanced photo-acoustic spectroscopy for breath analyses
Petersen, J; Lamard, L; Feng, P et al

in Proceedings SPIE (2017, January), 10055

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See detailPotential use of estetrol in sensorineural hearing loss protection
DELHEZ, Amandine ULiege; Manfroid, Isabelle ULiege; LEFEBVRE, Philippe ULiege et al

in B-ENT (2017)

Introduction and Aims: Estrogens have a positive impact on the auditory function. Indeed, estradiol (E2) treatment in animals protects against acoustic trauma and aminoglycoside toxicity and its depletion ... [more ▼]

Introduction and Aims: Estrogens have a positive impact on the auditory function. Indeed, estradiol (E2) treatment in animals protects against acoustic trauma and aminoglycoside toxicity and its depletion can contribute to age-related hearing loss. However, estradiol is not suitable in clinical practice, given the increased risk of cancer and thromboembolic events. There is a need to find new treatments that present a higher benefit/risk ratio. In this work, we studied a new natural estrogen derivative, estetrol (E4), that was shown to act as a Selective Estrogen Receptor Modulator (SERM). Estetrol is thus able to display estrogen-like as well as antiestrogen activity depending on the target tissue. Interestingly, E4 allows the prevention of menopause symptoms such as osteoporosis or hot flushes through an agonistic action, whereas it exerts anti-estrogenic effects on the mammary gland. These preclinical data suggest that E4 presents a safer profile than E2. Material and Methods: To investigate whether this molecule presents otoprotective actions, we exposed P2 cultured organs of Corti to gentamicin, with or without estetrol (E4). After 48 hours of culture, hair cell survival was evaluated following anti-myosin VII Immunohistochemistry. We next moved on to in vivo studies using young zebrafish larvae (5dpf), since they constitute a highly effective model to determine the potential ototoxicity of drugs and to screen for candidates of hair cell protective agents. We monitored the survival of hair cells within neuromasts following chronic or acute exposure to gentamicin. Results: In cochlear culture, gentamicin-induced hair cell loss was significantly reduced by E4. Interestingly, the toxicity of aminoglycoside was also reduced in vivo upon treatment of zebrafish larvae with E4. Conclusion: The survival rate of hair cells was increased in the presence of estetrol both in vitro and in vivo indicating that estetrol constitutes an interesting protective drug against hearing loss. [less ▲]

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See detailResults of the SarcoPhAge study after 2 years of follow-up.
Beaudart, Charlotte ULiege; Locquet, Médéa ULiege; Reginster, Jean-Yves ULiege et al

in Journal of Frailty & Aging (2017), 6 Suppl 1

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See detailOn the Elaboration of Metal-Ceramic Composite Coatings by Laser Cladding
Mertens, Anne ULiege; L'Hoest, Thibaut; Magnien, Julien et al

in Materials Science Forum (2017), 879

This paper reports on a preliminary investigation into the elaboration, by the additive process known as laser cladding, of composite coatings with a matrix of stainless steel 316L reinforced with varying ... [more ▼]

This paper reports on a preliminary investigation into the elaboration, by the additive process known as laser cladding, of composite coatings with a matrix of stainless steel 316L reinforced with varying contents of tungsten (WC) or silicon carbides (SiC) particles. Laser cladding is characterised by ultra-fast solidification and cooling rates, thus giving rise to ultra-fine out-of-equilibrium microstructures and potentially enhanced mechanical properties. Both types of composite coatings – i.e. with SiC or WC ‒ are compared in terms of their microstructures and hardness. Special attention is given to the dissolution of the carbides particles and to interfacial reactions taking place between the particles and the metallic matrix. [less ▲]

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See detailEffects of a giant exercising board game intervention on ambulatory physical activity among nursing home residents: a preliminary study
Mouton, Alexandre ULiege; Gillet, Nicolas; Mouton, Flore et al

in Osteoporosis International (2017), 28(S1), 318

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See detailMechanical loading therapy increases bone formation while reducing bone resorption following implantation in a mouse model of postmenopausal osteoporosis
Li, Zihui; Betts, Duncan; Kuhn, Gisela et al

in JBMR Plus (2017)

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See detailAssessing Inter- and Intramolecular Continuous-Flow Strategies towards Methylphenidate Hydrochloride
Gerardy, Romaric ULiege; Winter, Marc; Vizza, Alessandra et al

in Reaction Chemistry and Engineering (2017), 2(2), 149-158

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See detailPROPOSITION D'UN SUPPORT D'AIDE À LA DÉCISION POUR L'AMÉLIORATION DE L'ACCÈS À UNE EAU SOUTERRAINE DE MEILLEURE QUALITÉ DANS UN CONTEXTE DE CONTAMINATION GÉOGÉNIQUE AU FLUORURE AU BENIN (AFRIQUE DE L'OUEST)
Tossou, Joël; Hermans, Thomas ULiege; Orban, Philippe ULiege et al

in Geo-Eco-Trop : Revue Internationale de Géologie, de Géographie et d'Ecologie Tropicales (2017)

Les eaux souterraines des aquifères de socle cristallin de la partie centrale du Bénin (Département des Collines) présentent des concentrations élevées en fluorure, allant jusqu'à 7 mg/L alors que la ... [more ▼]

Les eaux souterraines des aquifères de socle cristallin de la partie centrale du Bénin (Département des Collines) présentent des concentrations élevées en fluorure, allant jusqu'à 7 mg/L alors que la norme recommandée par l'OMS est de 1.5 mg/L. La consommation de ces eaux à fortes teneurs en fluorure impacte la santé humaine. La population de la région est effectivement largement affectée par la fluorose dentaire. Les investigations hydrogéochimiques révèlent que l’origine de ces teneurs anormales est géogénique avec une forte contribution des minéraux ferromagnésiens, principalement la biotite. Ce travail se propose de réaliser une double cartographie à l'échelle du département des Collines: (i) une carte de l'estimation des teneurs en fluorure dans les eaux souterraines par krigeage ordinaire et (ii) une carte de la probabilité d'excéder la valeur guide de l’OMS (1.5 mg/L) en fluorure dans les eaux par krigeage d'indicatrices. Outre la cartographie en elle-même, l'analyse de la structure spatiale des données (teneurs en fluorure des eaux souterraines) à travers le calcul des variogrammes montre qu'il existe un lien fort entre celles-ci et les structures géologiques dominantes, confirmant l'origine géogénique du fluorure. Ces informations cartographiques serviront de support à la décision pour les décideurs et les gestionnaires de la ressource quant au choix judicieux des zones de captage d'eau potable pour minimiser/éviter les risques de fortes teneurs en fluorure. [less ▲]

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See detailAssessing Inter-and Intramolecular Continuous-Flow Strategies towards Methylphenidate Hydrochloride
Gerardy, Romaric ULiege; Winter, Marc; Vizza, Alessandra et al

in Reaction Chemistry and Engineering (2017)

The batch-to-flow translation of inter- and intramolecular strategies for the diastereoselective preparation of the active pharmaceutical ingredient threo-methylphenidate hydrochloride is presented. Both ... [more ▼]

The batch-to-flow translation of inter- and intramolecular strategies for the diastereoselective preparation of the active pharmaceutical ingredient threo-methylphenidate hydrochloride is presented. Both inter- and intramolecular strategies imply the telescoping of multiple processing steps and the generation of unstable diazospecies under continuous-flow conditions. The intermolecular strategy relies on an unprecedented continuous-flow Rh-catalyzed intermolecular C-H carbene insertion, providing enriched threo-N-Boc methylphenidate in 38% or 19% isolated yield according to sequential or fully telescoped processes, respectively. Quantitative Boc-deprotection is carried out off-line. The intramolecular strategy relies on a continuous-flow thermal intramolecular C-H carbene insertion, providing enriched threo-methylphenidate hydrochloride in 70% isolated yield. A continuous-flow photochemical alternative is also presented. The critical step of the most promising intramolecular strategy is implemented on mesoscale in a pilot-scale continuous-flow reactor. [less ▲]

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See detailA surprising and dramatic neuroendocrine-immune phenotype of mice deficient in Growth Hormone-Releasing Hormone (GHRH)
Farhat, Khalil; Bodart, Gwennaelle; Martens, Henri ULiege et al

in Neuroimmunomodulation (2017)

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See detailEnergetic and Environmental Performances of a Domestic Hot Water Condensing Boiler Fired by Wood Pellets
Ngendakumana, Philippe ULiege; Gabriele, Fabian; Restivo, Yannick et al

in Energy Procedia (2017)

In order to assess the performances of the domestic heating boilers with a CE mark, a wood pellets fired condensing boiler has been purchased and installed in the Laboratory for tests. The objective of ... [more ▼]

In order to assess the performances of the domestic heating boilers with a CE mark, a wood pellets fired condensing boiler has been purchased and installed in the Laboratory for tests. The objective of the study was not only to check the announced performances, but mainly to investigate the influence of the different parameters affecting the functioning of the boiler, the thermal efficiency and the pollutants (NOx and CO) emission being aimed at. Tests have been performed to study the influence of the cycling frequency of the burner functioning, the overall excess air, the return water temperature, and the output power of the boiler. As announced by the manufacturer, the tested boiler fulfils the requirements of the Blue Angel Label, but the recommended value for the excess air (1.2) can be reduced to a value of about 0.4 without excessive emissions of CO. The boiler could perform better if the ON period of the cycle of the burner is increased even better if the OFF period is suppressed. The NOx are mainly formed from the nitrogen content of the pellets and their emissions can only be reduced by a lower nitrogen content of the pellets than the limit stated in the standard. Random peaks observed in the evolution of CO, the boiler being operating in steady state regime, are attributed to the combustion process of pellets which is a non-continuous process by nature. [less ▲]

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See detailPreliminary assessment of the possibilities of the Particle Finite Element Method in the numerical simulation of bird impact on aeronautical structures
Cerquaglia, Marco Lucio ULiege; Deliège, Geoffrey ULiege; Boman, Romain ULiege et al

in Procedia Engineering (2017), 173

As well known, in the analysis of bird impact events the bird is often reduced, even experimentally, to a surrogate projectile modeled as a weakly compressible fluid (typically a mixture of water and air ... [more ▼]

As well known, in the analysis of bird impact events the bird is often reduced, even experimentally, to a surrogate projectile modeled as a weakly compressible fluid (typically a mixture of water and air). From a numerical standpoint, the presence of a free surface and the strong interaction with the aircraft structures represent a limit for traditional computational fluid dynamics methods based on an Eulerian grid. On the other hand, classical Lagrangian methods cannot cope with the extremely large deformations experienced by the projectile during the impact. The Particle Finite Element Method (PFEM) is a Lagrangian particle method that can account for very large deformations, preserving the robustness and generality of the finite element method, and thus owning a key advantage over other approaches, e.g. Smoothed Particle Hydrodynamics (SPH), usually cursed with consistency and stability issues. To assess the possibilities of the method in the context of bird impact, theoretical analyses are initially performed based on the impact of a water jet on a rigid surface. Then, the influence of the geometry of a more realistic projectile is analyzed and the capability of the method to take into account separation and fragmentation is highlighted. [less ▲]

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See detailRelationship bewteen weight loss in obese knee osteoarthritis patients and serum biomarkers of cartilage breakdown: Secondary analyses of a randomised trial
Bartels, E; Henrotin, Yves ULiege; Bliddal, H et al

in Osteoarthritis and Cartilage (2017), 25

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See detailTesting a New Memory Task Sensitive to Early Entorhinal/Perirhinal Atrophy in Alzheimer's disease
Besson, Gabriel ULiege; Simon, Jessica ULiege; Salmon, Eric ULiege et al

in Alzheimer's & Dementia : The Journal of the Alzheimer's Association (2017)

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See detailDecision algorithms for the re-treatment with viscosupplementation in patients suffering from knee osteoarthritis
Henrotin, Yves ULiege; Richette, Pascal; Raman, R et al

in Osteoarthritis and Cartilage (2017), 25

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