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See detailCathéter épicutanéo-cave double voie versus simple voie: une étude randomisée chez le nouveau-né prémature
Marion, W.; Anthopoulou, N.; François, A. et al

Conference (2007)

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See detailCatheter tip position as a risk factor for thrombosis associated with the use of subcutaneous infusion ports.
Caers, Jo ULg; Fontaine, Christel; Vinh-Hung, Vincent et al

in Supportive Care in Cancer (2005), 13((5)), 325-31

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See detailCatheter-related Infections - Belgian epidemiological data
Melin, Pierrette ULg

Conference (2003, November 20)

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See detailLe catheterisme d'intervention.
Legrand, Victor ULg; Collignon, P.

in Revue medicale de Liege (1987), 42(9), 375-89

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See detailLe catheterisme intermittent, methode de choix dans la prise en charge des dysfonctionnements neurologiques vesico-sphincteriens : notre experience a propos de 154 patients atteints d'une sclerose en plaques.
Keppenne, Véronique; Sanjurjo, Sylvia; Bottin, Christiane et al

in Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie (2014), 24(13), 842-3

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See detailCathéters pour instillation moins invasive de SURFACTANT : une étude de simulation
RIGO, Vincent ULg; Debauche, Christian; Maton, Pierre et al

in Baud, Olivier; Saliba, Elie (Eds.) Congrès JFN-JFRN 2016, livre des communications (2016, December 15)

Introduction et objectifs : l’instillation trachéale de surfactant par un cathéter fin (Less invasive surfactant therapy- LIST) chez le prématuré sous CPAP permet de diminuer la morbidité respiratoire ... [more ▼]

Introduction et objectifs : l’instillation trachéale de surfactant par un cathéter fin (Less invasive surfactant therapy- LIST) chez le prématuré sous CPAP permet de diminuer la morbidité respiratoire. Plusieurs cathéters sont décrits à cette fin : une sonde oro-gastrique insérée avec (LISA-Köln, K) ou sans pince de Maggil (Take Care- Ankara, A), un cathéter veineux de 13 cm (MIST- Hobart, H), un cathéter d’angiographie de 30 cm (Stockholm, S) ou un cathéter ombilical fixé à un stylet d’intubation utilisé localement (Liège, L). L’objectif de l’étude est d’évaluer l’efficacité de ces techniques en prenant l’INSURE (Intubation-Surfactant-Extubation) comme référence. Intervention : 20 néonatologues travaillant dans 4 services ayant des stratégies d’administration du surfactant différentes ont participé. Ils ont simulé ces 6 techniques sur deux têtes d’intubation de difficulté croissante. L’efficacité de l’intervention est évaluée par le taux d’échec et la durée de procédure mesurée sur vidéo. Chaque intervenant apprécie la facilité d’utilisation sur une échelle de 1 à 9 (Difficile> facile). Résultats : Pour le premier modèle, les durées médianes de procédure pour Köln et Ankara sont allongées [K: 21s (IQR 17-24); A: 23s (15-42); H: 10s (8-16); S: 12s (10-22); L (10-20); INSURE: 14s (11-21); p<.0001]. Pour le second modèle, seul Liège permet une durée de procédure similaire à l’INSURE [K: 32s (25-44); A: 39s (27-95); H: 34s (27-46); S: 37s (29-42); L: 24s (15-35); INSURE: 24s (17-32); p<.002]. Les taux d’échec des méthodes LIST sont similaires entre eux (de 3 à 8/ 40 essais), mais supérieurs à celui de l’INSURE (0/40). Köln et Ankara sont considérés comme plus difficiles [scores de facilité : K: 5 (4-6); A: 3 (2-4); H: 6,5 (6-7); S: 7 (4-8); L: 8 (6,5-8); INSURE: 7 (6-8); p<.001]. Conclusions : les cathéters plus rigides sont plus efficaces et perçus comme plus simples d’utilisation. L’insertion d’un cathéter guidé et incurvé pourrait être plus rapide dans les cas difficiles. [less ▲]

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See detailCathodic electrografting of acrylics: From fundamentals to functional coatings
Gabriel, Sabine ULg; Jérôme, Robert ULg; Jérôme, Christine ULg

in Progress in Polymer Science (2010), 35

Promoting permanent adhesion between so dissimilar materials as polymers and metals is a very challenging target and a severe brake to the implementation of many potential applications. However, synthetic ... [more ▼]

Promoting permanent adhesion between so dissimilar materials as polymers and metals is a very challenging target and a severe brake to the implementation of many potential applications. However, synthetic polymers can now be chemisorbed onto a variety of conducting surfaces by cathodic electrografting of acrylic monomers. The first part of this review will focus on the fundamental aspects of this emerging technology, thus from the historical discovery to experimental and theoretical developments, with the purpose to better comprehend the electrografting phenomenon. Once firmly established, this concept has been exploited in order to make polymeric coatings with specific functionality chemisorbed onto more diversified substrates in more convenient liquid media. This remarkable progress that largely relies on advanced controlled polymerization processes will be the topic of the second part of the review, with a special emphasis on the more recent development of smart coatings, particularly stimuli responsive coatings very well-suited to nanotechnologies. [less ▲]

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See detailLe catholicisme baroque : historiographie et nouveaux enjeux
Delfosse, Annick ULg

Conference (2007, October 26)

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See detailCatholicisme et protestantismes au XVIIe siècle
Delfosse, Annick ULg

in Staquet, Anne (Ed.) A l'émergence de la modernité : histoire des idées au XVIIe siècle (2011)

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See detailCatholicisme et protestantismes au XVIIe siècle
Delfosse, Annick ULg

Conference given outside the academic context (2010)

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See detailLe catholicisme spectaculaire : mise à distance ou expérience
Delfosse, Annick ULg

Scientific conference (2013, October 31)

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See detailCation Distribution Dependent Magnetic Properties in CoCr 2-x Fe x O 4 (x= 0.1 to 0.5): EXAFS, Mӧssbauer and Magnetic Measurements
Kumar, Durgesh; Banerjee, Alok; Mahmoud, Abdelfattah ULg et al

in Dalton Transactions (2017), 46

In this report, we have examined the evolution of the structure and rich magnetic transitions such as a paramagnetic to ferrimagnetic phase transition at the Curie temperature (TC), spiral ordering ... [more ▼]

In this report, we have examined the evolution of the structure and rich magnetic transitions such as a paramagnetic to ferrimagnetic phase transition at the Curie temperature (TC), spiral ordering temperature (TS) and lock-in temperature (TL) observed in the CoCr2O4 spinel multiferroic after substituting Fe. The crystal structure, microstructure and cation distribution among the tetrahedral (A) and octahedral (B) sites in the spinel lattice are characterised by X-ray diffraction, transmission electron microscopy, Extended X-ray Absorption Fine Structure (EXAFS) and Mössbauer spectroscopy. Due to the same radial distances of the first coordination shell in both tetrahedral and octahedral environments observed in EXAFS spectra, the position of the second coordination shell specifies the preference of more Fe ions towards the A site at x = 0.1. At x = 0.5, more Fe ions favour the B site. The cation distribution quantitatively obtained from the Mössbauer spectral analysis shows that while 60% of Fe ions occupy the A site in x = 0.1, 40% occupy it in x = 0.5. Surprisingly at x = 0.3, Fe ions are distributed equally among the A and B sites. dc magnetization reveals an increase in TC from 102 K to 200 K and in TS from 26 to 40 K with an increase in Fe concentration, indicating an enhancement in A–B exchange interaction at the expense of B–B. No report has until now demonstrated such an enhancement in TS either in pure or in doped CoCr2O4. Furthermore, frequency-dependent ac susceptibility (χ) data fitted with different phenomenological models such as the Néel–Arrhenius, Vogel–Fulcher and power law confirm a spin-glass and/or cluster-glass behaviour in nanoparticles of CoCr2−xFexO4. [less ▲]

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See detailCation Involvement in Telomestatin Binding to G-Quadruplex DNA
Rosu, Frédéric ULg; Gabelica, Valérie ULg; Smargiasso, Nicolas ULg et al

in Journal of Nucleic Acids (2010)

The binding mode of telomestatin to G-quadruplex DNA has been investigated using electrospray mass spectrometry, by detecting the intact complexes formed in ammonium acetate. The mass measurements show ... [more ▼]

The binding mode of telomestatin to G-quadruplex DNA has been investigated using electrospray mass spectrometry, by detecting the intact complexes formed in ammonium acetate. The mass measurements show the incorporation of one extra ammonium ion in the telomestatin complexes. Experiments on telomestatin alone also show that the telomestatin alone is able to coordinate cations in a similar way as a crown ether. Finally, density functional theory calculations suggest that in the G-quadruplex-telomestatin complex, potassium or ammonium cations are located between the telomestatin and a G-quartet. This study underlines that monovalent cation coordination capabilities should be integrated in the rational design of G-quadruplex binding ligands. [less ▲]

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See detailCation partitioning between minerals of the triphylite ± graftonite ± sarcopside association in granitic pegmatites
Roda-Robles, Encarnacion ULg; Galliski, Migule; Nizamoff, Jim et al

Conference (2011)

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See detailCation-doped Cu2O as a transparent p-type semiconducting oxide with enhanced performances: A comparison between strontium and magnesium incorporation
Avelas Resende, João ULg; Brochen, Stéphane; Bergerot, Laurent et al

Conference (2016, October)

In the group of semiconducting metallic oxides, cuprous oxide (Cu2O) presents promising electrical and manufacturing features for a variety of applications as p-type transparent material suitable in the ... [more ▼]

In the group of semiconducting metallic oxides, cuprous oxide (Cu2O) presents promising electrical and manufacturing features for a variety of applications as p-type transparent material suitable in the domains of transparent electronics and photovoltaic cells. However Cu2O suffers from optical and electrical limitations, due to a relatively small bandgap of 2.17 eV and a fairly high resistivity (> 102 Ω.cm) in intrinsic thin films at room temperature. In this work, we successfully doped Cu2O thin films with different divalent cations, namely Sr and Mg, by metal-organic chemical vapour deposition. We compared the effects of each element on crystallographic structure, films morphology, electronic transport and optical transmittance. In both cases, the presence of the cation contributed to a higher stability of the Cu2O phase, reducing the appearance of CuO parasitic phase. Nevertheless, a SrCO3 phase was detected in the Sr doped system. In terms of electrical properties, the incorporation of Sr, up to 16%, reduced the resistivity down to 1Ω.cm, with a mobility of 16 cm2.V-1.s-1. Moreover, the incorporation of strontium also leads to the emergence of a with a deep acceptor level located around EA = 278 ± 21 meV above the top of the valence band. The concentration of this deep acceptor level, attributed to simple copper vacancies, drastically increases with the strontium content, due to a decrease of its formation energy. The effect on optical transmittance could not be detected. The Mg-doped Cu2O thin films were monophasic and showed a higher resistivity of 6.6 Ω.cm at an Mg concentration of 17%, due to the lower mobility, 1 cm2.V-1.s-1. Although, the presence of this dopant contributes for the highest charge-carrier density observed in this work, up to 8x1017 cm-3. As in the Sr case, this can be explained by a simple copper vacancy doping mechanism assisted by cation incorporation. Additionally, a slight increase of transparency is observed when compared to intrinsic Cu2O. The control of carrier concentration and mobility values by dopant concentration, as well as the improvements in phase stability and transparency are key factors for the application of this versatile p-type oxide in transparent electronics and solar cells applications. [less ▲]

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See detailCationic and secretory effects of BPDZ 44 and diazoxide in rat pancreatic islets
Antoine, M.-H.; Pirotte, Bernard ULg; Hermann, M. et al

in Experientia (1994), 50

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See detailCationic pattern of hemolymph in adult hymenoptera
Florkin, Marcel ULg; Jeuniaux, Charles ULg

in Life Sciences (1963), 12

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See detailLes cations inorganiques dans l'hémolymphe larvaire des insectes trichoptères
Beaujot, J.; Naoumoff, M.; Jeuniaux, Charles ULg

in Archives Internationales de Physiologie et de Biochimie (1970), 78

The inorganic cationic composition of the larval haemolymph has been studied in 6 species of Trichoptera. The amounts of K and Ca are constant and very low. The variations of the Na concentrations are ... [more ▼]

The inorganic cationic composition of the larval haemolymph has been studied in 6 species of Trichoptera. The amounts of K and Ca are constant and very low. The variations of the Na concentrations are generally comprised between 60 and 99 mEq/l. On the contrary, the concentrations of Mg are highly variable in the different species : the extreme values observed so far are respectively 10.5 and 205 mEq/l. However, contrary to what is well known in the case of Lepidoptera, the high concentrations of Mg are not accompanied by low Na concentrations. As far as cationic patterns of larval haemolymph are concerned, Trichoptera appear to occupy an intermediate position between Mecoptera and Lepidoptera. [less ▲]

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