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See detailL’immunisation des normes législatives par le choix du constituant
Bouhon, Frédéric ULg

in Revue de la Faculté de Droit de l'Université de Liège (2015), 2015/3

Cet article commente l'arrêt n° 81/2015 de la Cour constitutionnelle et se focalise sur la notion de 'choix du constituant' à laquelle la Cour se réfère dans cet arrêt et dans d'autres qui l'ont précédé.

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See detailCompte rendu de P. Funke, M. Haake, Greek Federal States and Their Sanctuaries
Pirenne-Delforge, Vinciane ULg

in Bryn Mawr Classical Review [=BMCR] (2015)

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See detailLes souvenirs définissant le soi dans le trouble dépressif majeur unipolaire : Pourquoi les évoquer durant l’entretien clinique ?
Wagener, Aurélie ULg; Boulanger, Marie ULg; PITCHOT, William ULg et al

in Acta Psychiatrica Belgica (2015), 116(2), 27-34

Unipolar depressed patients can experience a loss of sense of self-continuity. Self-defining memories which are particular autobiographical memories may consist in psychological interventions aiming at ... [more ▼]

Unipolar depressed patients can experience a loss of sense of self-continuity. Self-defining memories which are particular autobiographical memories may consist in psychological interventions aiming at reestablishing the sense of self-continuity. Working on self-defining memories may also help dealing with other psychological difficulties. This article presents the self-defining memories, their characteristics and different psychological interventions which aim is to enhance the quality of these memories. [less ▲]

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See detailSynthesis of aliphatic polyamide bearing fluorinated groups from ε-caprolactam and modified cyclic lysine
Tunc, Deniz; Bouchekiv, Hassen; Améduri, Bruno et al

in European Polymer Journal (2015), 71

Aliphatic polyamide (PA) bearing fluorinated groups was synthesized in bulk with perfluorobutyryl-substituted α-amino-ε-caprolactam and ε-caprolactam by anionic ring-opening polymerization (AROP). The ... [more ▼]

Aliphatic polyamide (PA) bearing fluorinated groups was synthesized in bulk with perfluorobutyryl-substituted α-amino-ε-caprolactam and ε-caprolactam by anionic ring-opening polymerization (AROP). The fluorinated monomer was obtained by condensation between cyclic lysine (i.e. α-amino-ε-caprolactam) and perfluorobutyrylchloride. The effect of the fluorinated monomer fraction onto the AROP of ε-caprolactam was monitored by the exothermicity of this polymerization versus time. The properties and characteristics of the resulting polymers were studied by with differential scanning calorimetry, thermogravimetry, magic angle spining NMR, FT-IR, and contact angle measurements. Polyamides bearing fluorinated groups exhibited better thermal stability than polyamide 6 (PA6) as well as a higher hydrophobic surface character as evidenced by surface tension measurements. The glass transition temperature of polyamide 6 was 53 °C and rose to 58 °C for a PA bearing fluorinated moieties, while fluorinated monomer insertion induced a decrease of the melting points from 216 to 198 °C. These copolymers displayed a maximum degradation temperature of 390 °C as compared to the 310 °C for PA6, and their surface energies decreased from 49.4 mN.cm-1 (PA6 value) to 44.1 mN.cm-1. [less ▲]

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See detailA three year survey of dermatophytoses in Belgium
SACHELI, Rosalie ULg; DARFOUF, Rajae ULg; GRAIDE, Hélène ULg et al

in Mycoses (2015, October), 58(Supplement 4), 135

Objectives Dermatophytosis refers to superficial fungal infections of keratinized tissues caused by keratinophilic dermatophytes. They are the most common cause of superficial fungal infections worldwide ... [more ▼]

Objectives Dermatophytosis refers to superficial fungal infections of keratinized tissues caused by keratinophilic dermatophytes. They are the most common cause of superficial fungal infections worldwide. Epidemiological studies regarding dermatophyte infections have been conducted in several countries and differences in the incidence and in etiological agents have been reported for different geographical areas. That is why national surveillance of circulating strains causing dermatophytosis is crucial. The Belgian National Reference Center (NRC) for Mycoses conducted a survey on dermatophytes strains circulating from 2012 to 2014. The present study was performed to assess the profile of dermatophytosis and to identify the species involved. Methods The Belgian NRC for Mycosis collected 9138 strains between January 2012 and December 2014. The isolates were cultured from patients clinically suspected for fungal infections of skin, hair and nails. Isolates were sent by Belgian laboratories to the two labs of the Belgian NRC (UZ Leuven and CHU of Liège) in order to identify the fungus or to confirm the identification. All isolates cultured from patients of UZ Leuven and CHU of Liège were also included. Fungal identification was performed by microscopy after subculture and in case of doubtful identifications by ITS sequencing. Results .Among the 9138 samples (results of UZ Leuven and CHU of Liège combined), 3587 were identified as dermatophytes. Trichophyton. rubrum (T. rubrum) was the most prevalent species accounting for 56,17% (n=2015) of the infections from all sources, followed by T. mentagrophytes complex (21,83%, n=783). The other main etiological agents of dermatophytosis recorded in this study in descending order of prevalence were M. audouinii (n=303), M. canis (n=120), T. violaceum (n=112), T. tonsurans (n= 95), T. soudanense (n=66), M. praecox (n=59), E. floccosum (n=14) Our data reveal the predominance of anthropophilic species causing tinea capitis especially M. audouinii responsible for 36,49% (n=163/448) of hair/scalp infection. Trichophyton violaceum rarely observed in our country is frequently found as 12,8% (n=57) of the reported cases of tinea capitis are due to this species. The retrospective evaluation of data collected also shows that zoophilic strains as M. canis well represented in the past epidemiology of tinea capitis, is decreasing in frequency accounting for only 7,2% (n=32) of clinical cases. Finally, our data confirm the high prevalence of T. rubrum commonly observed in Europe as causal agent of onychomycosis (70,9%, n=1603) followed by T. mentagrophytes complex (20,9%, n=455). T. rubrum and T. mentagrophytes complex are also responsible for the majority of skin infections as they represent respectively 40% (n=386) and 24,75% (n=239) of skin dermatophytosis during the study period. Conclusions The present work has provided recent data on the prevalence of several dermatophytes species circulating in Belgium. Such data is critical for the establishment of therapeutic strategies and measures for prevention and control of dermatophytes infections. Our study confirms the predominance of T. rubrum followed by T. mentagrophytes in the Belgian population but also highlights the emergence of new anthropophilic species such as M. audouinii and T. violaceum as causative agents of tinea capitis in children in relation with African immigration. [less ▲]

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See detailA performance indicator for structures under natural fire
Gernay, Thomas ULg; Franssen, Jean-Marc ULg

in Engineering Structures (2015), 100

Fires in buildings are characterized by a heating phase followed by a cooling phase, yet the effects of the latter on structures are not well covered in the current approaches to structural fire ... [more ▼]

Fires in buildings are characterized by a heating phase followed by a cooling phase, yet the effects of the latter on structures are not well covered in the current approaches to structural fire engineering. Indeed the actual requirement of non-occurrence of structural failure at peak temperature does not guarantee against a delayed failure during or after the cooling phase of a fire, which puts at risk the fire brigades and people proceeding to a building inspection after a fire. Therefore there is an urgent need to better comprehend and characterize the materials and structures behavior under decreasing temperatures. Sensitivity to delayed failure of a structural component depends on its typology and constituting materials. In particular, two structural components with the same Fire Resistance rating (R) under standardized fire may exhibit very distinct behavior under natural fire, one of them being more prone to delayed failure than the other. With the aim of quantifying this effect, a new indicator is proposed that characterizes the performance of structures under natural fire conditions. The paper presents the methodology to derive this new indicator as well as results for different typologies of structural components. Parametric analyses highlight the prime influence of constitutive material and thermal inertia of the element on the post-peak behavior. Used in conjunction with the Fire Resistance rating, it is shown how the new indicator carries additional and significant information for classifying structural systems in terms of their fire performance and propensity to delayed failure. [less ▲]

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See detailPre-return-to-work medical consultation for low back pain workers. Good practice recommendations based on systematic review and expert consensus
PETIT, Audrey; ROZENBERG, Sylvie; FASSIER, Jean-Baptiste et al

in Annals of Physical and Rehabilitation Medicine (2015), 58(5), 298-304

Objectives The pre-return-to-work medical consultation during sick leave for low back pain (LBP) aims at assessing the worker's ability to resume working without risk for his/her health, and anticipating ... [more ▼]

Objectives The pre-return-to-work medical consultation during sick leave for low back pain (LBP) aims at assessing the worker's ability to resume working without risk for his/her health, and anticipating any difficulties inherent to returning to work and job retention. This article summarizes the good practices guidelines proposed by the French Society of Occupational Medicine (SFMT) and the French National Health Authority (HAS), and published in October 2013. Methods Good practices guidelines developed by a multidisciplinary and independent task force (24 experts) and peer review committee (50 experts) based on a literature review from 1990 to 2012, according to the HAS methodology. Results According to the labour regulations, workers can request a medical consultation with their occupational physician at any time. The pre-return-to-work consultation precedes the effective return-to-work and can be requested by the employee regardless of their sick leave duration. It must be scheduled early enough to: (i) deliver reassuring information regarding risks to the lower back and managing LBP; (ii) evaluate prognostic factors of chronicity and prolonged disability in relations to LBP and its physical, social and occupational consequences in order to implement the necessary conditions for returning to work; (iii) support and promote staying at work by taking into account all medical, social and occupational aspects of the situation and ensure proper coordination between the different actors. Conclusion A better understanding of the pre-return-to-work consultation would improve collaboration and coordination of actions to facilitate resuming work and job retention for patients with LBP [less ▲]

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See detailPhotorefractive holographic camera for monitoring deformations of MEMS
Georges, Marc ULg; Thizy, Cédric ULg

in Journal of Micro/Nanolithography, MEMS, and MOEMS (2015), 14(4), 041301

We present the development of a holographic interferometer based on dynamic hologram recording with photorefractive crystals of the sillenite family and which is adapted for the observation of MEMS. A ... [more ▼]

We present the development of a holographic interferometer based on dynamic hologram recording with photorefractive crystals of the sillenite family and which is adapted for the observation of MEMS. A compact portable system was already presented in the past and used in various metrology and nondestructive applications on large scattering objects. It was emphasized the great versatility of the instrument which allows high resolution measurements. Here we show the development and achievement of an optical module which can be easily interfaced on the basic instrument, allowing small specular objects observation. Results of deformation of electrically actuated MEMS are shown. [less ▲]

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See detailUse of a HCV patients' education tool: the knowledge questionnaire with confidence degrees
Kerrad, Amel; Leclercq, Dieudonné ULg; Barreteau, H. et al

Poster (2015, October)

13 patiuent ssuffering of C hepatis have received a pretest on knowledge with confidence degrees accompanying their responses. On the basis of thes responses, they received individual education by a ... [more ▼]

13 patiuent ssuffering of C hepatis have received a pretest on knowledge with confidence degrees accompanying their responses. On the basis of thes responses, they received individual education by a pharmacist about their treatment. A post-test, again with confidence degrees, permitted to measure, according to methods described by Leclercq (2009), to evidence objective and subjective gains in knowledge as well in patients' adherence to treatment. [less ▲]

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See detailL'étiologie, la génétique de l'acromégalie
Beckers, Albert ULg

Scientific conference (2015, October)

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See detailLa participation et ses distorsions: du malentendu aux bénéfices secondaires
Italiano, Patrick ULg

in Bingen, Aline; Pilet, Jean-Benoît (Eds.) L'art de la participation (2015, October)

Les dispositifs participatifs, dans la vie réelle, sont souvent soit verrouillés soit déconnectés de la décision finale sur laquelle ils sont censés porter. Cela peut avoir des effets délétères sur les ... [more ▼]

Les dispositifs participatifs, dans la vie réelle, sont souvent soit verrouillés soit déconnectés de la décision finale sur laquelle ils sont censés porter. Cela peut avoir des effets délétères sur les publics que ces dispositifs voulaient impliquer. Il n'est pas rare que l'on donne le label "participation" à des processus dont la nature est mieux décrite par d'autres concepts. En définitive, c'est probablement dans des dispositifs centrés sur les personnes, et non sur des prises de décisions politiques, que l'exercice participatif est le plus susceptible d'avoir un effet positif univoque. [less ▲]

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See detailLe coût de l'énergie verte en Wallonie 2003-2012
Boccard, Nicolas; Gautier, Axel ULg

in Reflets et Perspectives de la Vie Economique (2015), LIV(1-2), 71-85

In 2003, the Walloon region has installed a tradable green certificate mechanism to support the production of ‘green’ electricity. In this paper, we estimate that the total cost of the mechanism amounts ... [more ▼]

In 2003, the Walloon region has installed a tradable green certificate mechanism to support the production of ‘green’ electricity. In this paper, we estimate that the total cost of the mechanism amounts to 1,871 billion € for the period 2003-2012, corresponding to a support of 107 €/MWh produced, with important differences between production technologies, the solar photovoltaic receiving up to 588 €/MWh. International comparisons indicate that the Walloon mechanism is particularly generous. We also show that the induced carbon savings are extremely costly with an implicit price of avoided CO2 of 425 € per ton. [less ▲]

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See detailLiberté d'expression et de culte : une question de droits
Grandjean, Geoffrey ULg

Article for general public (2015)

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See detailPrise en charge des pathients lombalgiques : les mots du thérapeute aussi importants que ses mains
Demoulin, Christophe ULg; Roussel, Nathalie; Marty, M. et al

in Axxon Exclusif (2015)

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See detailÉvaluation du cursus Assistant – Secrétariat de direction en Fédération Wallonie-Bruxelles : Analyse transversale
AEQES; Hougardy, Andrée; Pinson, Laurence et al

Report (2015)

Rapport transversal de l’évaluation de la qualité du cursus Assistant – Secrétariat de direction en Fédération Wallonie-Bruxelles (année de référence 2011-2012, 25 établissements concernés). L’analyse ... [more ▼]

Rapport transversal de l’évaluation de la qualité du cursus Assistant – Secrétariat de direction en Fédération Wallonie-Bruxelles (année de référence 2011-2012, 25 établissements concernés). L’analyse transversale se compose de trois parties : 1) une mise en contexte rédigée par la Cellule exécutive de l’AEQES, reprenant des éléments factuels tels que la composition du comité, la liste des établissements évalués et le calendrier de l’évaluation ; 2) l’état des lieux du comité des experts, repris intégralement ; 3) un commentaire conclusif, appelé « note analytique », rédigé par le Comité de gestion de l’AEQES, qui souligne certains des aspects de l’état des lieux et donne l’avis de l’Agence sur les conclusions de l’évaluation ; [less ▲]

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See detailStructure and functioning of the Heart Team: primum non nocere.
Stefanini, Giulio G.; Kolh, Philippe ULg

in European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery (2015), 48(4), 529-30

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See detailAccurate Non-Iterative Modelling and Inference of Longitudinal Neuroimaging Data
Guillaume, Bryan ULg

Doctoral thesis (2015)

Despite the growing importance of longitudinal data in neuroimaging, the standard analysis methods make restrictive or unrealistic assumptions. For example, the widely used SPM software package assumes ... [more ▼]

Despite the growing importance of longitudinal data in neuroimaging, the standard analysis methods make restrictive or unrealistic assumptions. For example, the widely used SPM software package assumes spatially homogeneous longitudinal correlations while the FSL software package assumes Compound Symmetry, the state of all equal variances and equal correlations. While some new methods have been recently pro- posed to more accurately account for such data, these methods can be difficult to specify and are based on iterative algorithms that are generally slow and failure- prone. In this thesis, we propose and investigate the use of the Sandwich Estimator method which first estimates the parameters of interest with a (non-iterative) Ordinary Least Square model and, second, estimates variances/covariances with the “so-called” Sandwich Estimator (SwE) which accounts for the within-subject covariance structure existing in longitudinal data. We introduce the SwE method in its classic form, and review existing and propose new adjustments to improve its behaviour, specifically in small samples. We compare the SwE method to other popular methods, isolating the combination of SwE adjustments that provides valid and powerful inferences. While this result provides p-values at each voxel, it does not provide spatial inferences, e.g. voxel- or cluster-wise family-wise error-corrected p-values. For this, we investigate the use of the non-parametric inference approach called Wild Bootstrap. We again identify the set of procedures and adjustments that provide valid inferences. Finally, in the third and fourth projects, we investigate two ideas to improve the statistical power of the SwE method, by using a shrinkage estimator or a covariance spatial smoothing, respectively. For all the projects, in order to assess the methods, we use intensive Monte Carlo simulations in settings important for longitudinal neuroimaging studies and, for the first two projects, we also illustrate the methods by analysing a highly unbalanced longitudinal dataset obtained from the Alzheimer’s Disease Neuroimaging Initiative. [less ▲]

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