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See detailLocal Structure of Mn in (La1-xHox)2/3Ca1/3MnO3 Studied by X-ray Absorption Fine Structure
Pietnoczka, A.; Pekala, M.; Bacewicz, R. et al

in Acta Physica Polonica A (2010), 117(2), 257-261

Results of X-ray absorption fine structure measurements in manganites (La1-xHox)2/3Ca1/3MnO3 with 0.15 < x < 0.50 are presented. When LaMnO3 is doped with a divalent element such as Ca2+, substituting ... [more ▼]

Results of X-ray absorption fine structure measurements in manganites (La1-xHox)2/3Ca1/3MnO3 with 0.15 < x < 0.50 are presented. When LaMnO3 is doped with a divalent element such as Ca2+, substituting forLa3+, holes are induced in the filled Mn d orbitals. This leads to a strong ferromagnetic coupling between Mn sites. Ca ions in La1-xCaxMnO3 introduce a distortion of the crystal lattice and mixed valence Mn ions (Mn3+ and Mn4+). On the other hand, in manganites (La1-xHox)2/3Ca1/3MnO3 the substitution of La for Ho causes a lattice distortion and induces a disorder, which reduces a magnetic interaction. The ferromagnetic transition temperature and conductivity decrease very quickly with increasing x. The magnetic and transport properties of compounds depend on the local atomic structure around Mn ions. The information on the bond lengths and Debye–Waller factor are obtained from the extended X-ray absorption fine structure (EXAFS) data analysis. The charge state of Mn is determined from the position of the absorption edge in X-ray absorption near edge structure (XANES) data. XAFS results are in good agreement with magnetic characteristics of the studied materials. [less ▲]

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See detailFluoride PET-CT.
Hustinx, Roland ULg; Beckers, Catherine ULg

in Fanti, Stefano; Farsad, Mohsen; Mansi, Luigi (Eds.) PET-CT Beyond FDG. (2010)

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See detailHearing Preservation in Cochlear Implantation and Drug Treatment.
Barriat, Sébastien ULg; Poirrier, Anne-Lise ULg; Malgrange, Brigitte ULg et al

in Advances in Oto-Rhino-Laryngology (2010), 67

Insertion of an electrode array into the cochlea produces immediate damage to the inner ear, which is responsible for a hearing loss. In addition, a delayed hearing loss can be observed. In order to ... [more ▼]

Insertion of an electrode array into the cochlea produces immediate damage to the inner ear, which is responsible for a hearing loss. In addition, a delayed hearing loss can be observed. In order to maximize hearing preservation after insertion of an electrode and to enhance the performance of the cochlear implant, it has been proposed to deliver pharmacological agents to the inner ear. Molecules can be administered locally to the inner ear through a direct perilymphatic perfusion or through the round window membrane. These modalities of treatment have already been successfully applied to some patients with inner ear diseases. In this paper, we will review some basic aspects of drug delivery to the inner ear to prevent the degeneration of the neurosensory hair cells and auditory neurons, and the actual applicability to humans in order to maintain hearing function after the insertion of electrodes of a cochlear implant. [less ▲]

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See detailRecommandations Europeennes 2010 pour le traitement anti-thrombotique de la fibrillation auriculaire: Nouveaux scores pour l'evaluation des risques d'accident vasculaire cerebral et de saignement.
MELON, Pierre ULg; LANCELLOTTI, Patrizio ULg

in Revue Médicale de Liège (2010), 65(10), 580-2

2010 European guidelines for the treatment of atrial fibrillation have introduced modified criteria for the instauration of oral anticoagulation. Guidelines also include a new score for the assessment of ... [more ▼]

2010 European guidelines for the treatment of atrial fibrillation have introduced modified criteria for the instauration of oral anticoagulation. Guidelines also include a new score for the assessment of the risk of bleeding. We report the new risk scores CHA2DS2-VASc and HAS-BLED introduced for the assessment of thrombotic and bleeding risks, respectively. [less ▲]

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See detailEffets du mode d’extraction des huiles essentielles sur l’efficacité de l’inhibition de la corrosion
ramdani, M.; Benchat, N.; Amhamdi, H. et al

Poster (2010)

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See detailColoss Working Group 1: monitoring and diagnosis.
Nguyen, Bach Kim ULg; Van der zee, Romée; Vejsnaes, Flemming et al

in Journal of Apicultural Research (2010), 49(1), 97-99

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See detailLa connaissance partielle chez le patient : pourquoi et comment la mesurer
Leclercq, Dieudonné ULg

in Education Thérapeutique du Patient [=ETP] = Therapeutic Patient Education [=TPE] (2010), 1(2), 201-212

Introduction: The certainty or the doubt, justified or not, a patient has in his knowledge about his illness influences largely his decision to act or, on the contrary, to verify, to ask for help ... [more ▼]

Introduction: The certainty or the doubt, justified or not, a patient has in his knowledge about his illness influences largely his decision to act or, on the contrary, to verify, to ask for help. Nevertheless, in the process of knowledge assessment, in patient education as well as in classical training systems, respondants are too rarely asked to provide, in addition to each answer to each question, a degree of certainty. Objectives: This paper explains how to collect these degrees of certainty, namely with the help of a spectral test applied in oral mode, and how to interpret and use these data in a formative perspective. Description:Metacognitive concepts and indices are developed and illustrated as well as graphical representations. Examples are provided in the domain of diabetic patients education. Conclusions: Spectral analysis of the responses’ qualities is useful to measure individual patients’ degree of mastery as well as to evaluate the efficacy of a training applied to a group of patients. [less ▲]

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See detailDevelopment of pH–responsive nanocarriers using trimethylchitosans and methacrylic acid copolymer for siRNA delivery
Dehousse, Vincent ULg; Garbacki, Nancy ULg; Colige, Alain ULg et al

in Biomaterials (2010), 31

RNA interference-based therapies are dependent on intracellular delivery of siRNA. The release of siRNA from the endosomal compartment may be a rate limiting step in the transfection process. The purpose ... [more ▼]

RNA interference-based therapies are dependent on intracellular delivery of siRNA. The release of siRNA from the endosomal compartment may be a rate limiting step in the transfection process. The purpose of this study was to produce pH–responsive nanocarriers made of trimethylchitosan (TMC). To this end, pHsensitive methacrylic acid (MAA) copolymer was added to TMC–siRNA formulations. Four different TMCs associated or not with MAA were evaluated as siRNA carriers. Nanoparticles were characterized in terms of size, surface charge, morphology and interaction with siRNA. A swelling behaviour due to a decrease in pH was observed and was found to be dependent on MAA content in the complexes. In vitro experiments aimed at evaluating how the capacity of the nanocarriers to transfect siRNA in L929 cells was affected by MAA content. Confocal microscopy experiments showed that fluorescent MAA-containing particles exhibit a different distribution pattern inside the cells comparing to their counterpart without this pH-sensitive polymer. Transfection efficiency was investigated by RhoA mRNA expression inhibition. MAA–TMC–siRNA complexes were able to transfect L929 cells with greater efficiency than corresponding TMC–siRNA complexes. This study gives an insight into the opportunity of pH-sensitive nanocarriers for siRNA delivery. Such formulations may represent an attractive strategy to improve endosomal escape of siRNA. [less ▲]

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See detailDosage par GC/QQQ de huit pesticides organochlorés dans le sérum
Dubois, Nathalie ULg; Elbaz, A.; Charlier, Corinne ULg

in Acta Clinica Belgica (2010), 65(1), 58-64

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See detailL'imputation des provisions alimentaires sur les revenus de l'indivision post-communautaire: une clarification attendue
Leleu, Yves-Henri ULg

in Leleu, Yves-Henri (Ed.) Chroniques Notariales (2010)

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See detailFinger Tapping feature extraction in Parkinson's disease using low-cost accelerometers
Stamatakis, Julien; Cremers, Julien ULg; Macq, Benoït et al

in Proceedings 10th IEEE International Conference on Information Technology and Applications in Biomedicine (ITAB 2010) (2010)

The clinical hallmarks of Parkinson's disease (PD) are movement poverty and slowness (i.e. bradykinesia), muscle rigidity and limb tremor. The physicians usually quantify these motor disturbances by ... [more ▼]

The clinical hallmarks of Parkinson's disease (PD) are movement poverty and slowness (i.e. bradykinesia), muscle rigidity and limb tremor. The physicians usually quantify these motor disturbances by assigning a severity score according to validated but time-consuming clinical scales such as the Unified Parkinson's Disease Rating Scale (UPDRS) - part III. These clinical ratings are however prone to subjectivity and inter-rater variability. The PD medical community is therefore looking for a faster and more objective rating method. As a first step towards this goal, a tri-axial accelerometer-based system is proposed as patients are engaged in a repetitive finger tapping task, which is classically used to assess bradykinesia in the UPDRS-III. After developing the hardware, an algorithm has been developed, that automatically epoched the signal on a trial-by-trial basis and quantified, among others, movement speed, amplitude, hesitations or halts as validated by visual inspection of video recordings during the task. The results obtained in a PD patient and an healthy volunteer are presented. Preliminary results show that PD patients and healthy volunteers have different features profiles, so that a classifier could be set up to predict objective UPDRS-III scores. [less ▲]

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See detailThéorie littéraire
Spinoy, Erik ULg

Learning material (2010)

This is an introduction to the history of literary theory in the western tradition, with a survey of major currents and approaches (Russian formalism, structuralism, New criticism, reception theories ... [more ▼]

This is an introduction to the history of literary theory in the western tradition, with a survey of major currents and approaches (Russian formalism, structuralism, New criticism, reception theories, poststructuralism, psychoanalytic criticism). [less ▲]

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See detailLes pouvoirs des membres du comité de direction et des délégués à la gestion journalière
Caprasse, Olivier ULg

in La répartition des pouvoirs dans la société anonyme (2010)

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See detailComponent-resolved diagnosis in peanut and hazelnut allergy.
Gadisseur, Romy ULg; Chapelle, Jean-Paul ULg; Cavalier, Etienne ULg et al

in Allergy (2010), 65(Suppl.92), 106

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See detailEffect of Benchmark Misspecification on Risk-Adjusted Performance Measures
Bodson, Laurent ULg; Hübner, Georges ULg

in Gregoriou, Greg N.; Hoppe, Christian; Wehn, Carsten (Eds.) The Risk Modeling Evaluation Handbook (2010)

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See detailWhy Protocolised care works in my unit?
Shaw, GM; Chase, JG; Pfeiffer, L et al

in Proceedings of the Australia-New Zealand Intensive Care Society Scientific Meeting (ANZICS 2010) (2010)

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See detailDeveloping Countries facing Global Warming: a Post-Kyoto Assessment.
De Dapper, Morgan; Swinne, Danielle; Ozer, Pierre ULg

Book published by United Nations / KAOW-ARSOM (2010)

Detailed reference viewed: 34 (10 ULg)