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See detailRecent trends of inorganic chlorine and halogenated source gases above the Jungfraujoch and Kitt Peak stations derived from high-resolution FTIR solar observations
Mahieu, Emmanuel ULg; Rinsland, Curtis P.; Gardiner, Tom et al

in Geophysical Research Abstracts (2010), 12(EGU2010-2420-3),

The longest series of Fourier Transform Infrared (FTIR) high spectral resolution solar absorption observations are available from the Jungfraujoch and Kitt Peak stations, located at 46.5ºN and 30.9ºN ... [more ▼]

The longest series of Fourier Transform Infrared (FTIR) high spectral resolution solar absorption observations are available from the Jungfraujoch and Kitt Peak stations, located at 46.5ºN and 30.9ºN, respectively. State-of-the-art interferometers are operated at these sites within the framework of the Network for the Detection of Atmospheric Composition Change (NDACC, visit http://www.ndacc.org). These instruments allow to record spectra on a regular basis, under clear-sky conditions, using a suite of optical filters which altogether cover the 2 to 16 micron spectral range. Numerous absorption features characterized in the HITRAN compilations (e.g. Rothman et al., 2008) are encompassed in this mid-infrared region. Their analyses with either the SFIT-1 or SFIT-2 algorithm allow retrieving total columns of the target gases. Moreover, information on their distribution with altitude can generally be derived when using SFIT-2 which implements the Optimal Estimation Method of Rodgers (1990). Among the two dozen gases of atmospheric interest accessible to the ground-based FTIR technique, we have selected here a suite of long-lived halogenated species: HCl, ClONO2, CCl2F2, CCl3F, CHClF2, CCl4 and SF6. Time series available from the two sites will be presented, compared and critically discussed. In particular, changes in the abundances of theses gases since the peak in inorganic chlorine (Cly, which occurred in 1996-1997) and their intra-annual variability will be characterized with a statistical tool using bootstrap resampling (Gardiner et al., 2008). Trends and their associated uncertainties will be reported and put into perspective with the phase-out regulations of the production of ozone depleting substances adopted and implemented by the Montreal Protocol, its Amendments and Adjustments. For instance, the trends affecting the reservoir species HCl, ClONO2, and their summation which is a good proxy of the total inorganic chlorine, have been calculated using all available daily mean measurements from January 1996 onwards. The following values were obtained for Jungfraujoch, when using 1996 as the reference year: -0.90±0.10%/yr for HCl, -0.92±0.26 %/yr for ClONO2, and -0.96±0.14 %/yr for Cly; in all cases, the uncertainties define the 95% confidence interval around the trend values. For Kitt Peak, the corresponding trends are: -0.55±0.34 %/yr for HCl, -1.27±0.84 %/yr for ClONO2 and -0.61±0.51 %/yr for Cly, they are statistically consistent with the Jungfraujoch rates of decrease. Further trend data will be presented at the EGU General Assembly while supplementary information on Jungfraujoch results will be available from communications at the same meeting by Duchatelet et al. (2010), Lejeune et al (2010) and Rinsland et al (2010). Comparisons with model data are also foreseen. [less ▲]

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See detailRecently advanced computerized technology was applied to the investigation of morphometric, immunohistological and three-dimensional changes of the endometrial mucosa in order to evaluate quantitatively the effects of three doses of a new slow-release vaginal progesterone on the endometrium in post-menopausal women. A total of 20 menopausal women, deprived of ovarian function, were given oestrogen for 12 days and a combined therapy of oestrogen (administered orally) and progesterone for another 12 day period. Progesterone was administered vaginally through a new gel (Crinone) utilizing a bioadhesive, biocompatible polymer as a base to achieve a sustained release effect. An endometrial biopsy was taken before treatment, after oestrogen-only treatment and after the oestro-progestogen therapy. Before treatment, all the patients exhibited an atrophic endometrium. After oestrogen-only treatment, typical proliferative changes occurred: an increase in the endometrium thickness, an increase in the mitotic index, numerous cylinder-like glands and no coiled glands, and high concentrations of oestrogen receptors (ER) and progesterone receptors (PR). After the oestro-progestogen therapy, whatever the dose of progesterone given, a secretory transformation of the endometrial mucosa occurred, mitotic activity decreased significantly, more ramified and coiled glands were observed, and a decrease in PR content was noted in epithelial and stromal nuclei, and a decrease in PR content was also observed in epithelial nuclei but not in stromal nuclei. Accurate new techniques of image analysis have shown that crinone therapy could eliminate the proliferative effects of oestrogen treatment in post-menopausal women, despite doses as low as 45 mg of progesterone administered vaginally every other day. The results suggest that the sustained release effects of Crinone are clinically relevant.
Donnez, Jacques; NISOLLE, Michelle ULg; Casanas-Roux, Françoise et al

in Human Reproduction (1996), 11(1), 224-8

A computerized morphometrical investigation was performed on endometriotic tissue from the peritoneum (n = 225) and rectovaginal nodules (n = 65) to compare histologically and stereologically the ... [more ▼]

A computerized morphometrical investigation was performed on endometriotic tissue from the peritoneum (n = 225) and rectovaginal nodules (n = 65) to compare histologically and stereologically the rectovaginal septum endometriotic nodule to peritoneal endometriosis. Mitotic activity, stromal vascularization and the epithelium/stroma ratio were found to be significantly different in peritoneal and rectovaginal endometriosis. The evaluation revealed a major role of glandular epithelium in rectovaginal nodules where the stroma sometimes appeared absent around glandular epithelium. The study demonstrated opposite effects of gonadotrophin-releasing hormone agonists (GnRHa) and lynestrenol on the two lesions. Indeed, in peritoneal endometriosis, after GnRHa therapy, our study demonstrated a lower rate of mitosis and poor stromal vascularization. The same drug was unable to induce the same effects in the nodule although, in contrast, lynestrenol has a strong effect on nodule vascularization. In conclusion, it is suggested that the rectovaginal adenomyotic nodule is a specific disease, different from peritoneal endometriosis. It is not the consequence of 'deep infiltrating' endometriosis but can probably develop from Mullerian rests present in the rectovaginal septum. [less ▲]

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See detailRécents développements de X-FEM appliqués à la mécanique de la rupture
Béchet, Eric ULg

Scientific conference (2007, June)

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See detailRecepción actual de los manuscritos de Ferdinand de Saussure. Perspectivas teóricas e históricas.
Sofia, Estanislao ULg

Conference (2012, August 01)

Se le ha atribuido a Ferdinand de Saussure (1857-1913), a lo largo del siglo XX, la responsabilidad de más de una “revolución” [sobre la de los anagramas, ver Prosdocimi1894, p. 233]. Célebre en su época ... [more ▼]

Se le ha atribuido a Ferdinand de Saussure (1857-1913), a lo largo del siglo XX, la responsabilidad de más de una “revolución” [sobre la de los anagramas, ver Prosdocimi1894, p. 233]. Célebre en su época gracias a sus trabajos sobre el vocalismo indo-europeo (Saussure, 1879), cuyo estudio, precisamente, habría contribuido a revolucionar (Béguelin, 2003), Saussure alcanzó una difusión masiva póstumamente. El Cours de linguistique générale (1916) es así considerado por la tradición como el punto de inflexión que revolucionó (una vez más) las ciencias del lenguaje, al asumir y/o permitir un cambio de enfoque radical: el objeto de la lingüística sería no ya (o no ya solamente) la historia y la evolución de las lenguas, sino también (y sobre todo) la lengua en tanto sistema autónomo de signos (Saussure, 1916) cuya función esencial es la comunicación. Acentuando la importancia de este gesto, se erigió a Saussure en “fundador” no solamente de una escuela – el estructuralismo europeo – sino también, y más generalmente, de la lingüística moderna (cf. Culler, 1986, p. 15 ; Lyons, 1968, p. 38 ; Calvet, 1995, p. 507). El descubrimiento en 1996 de un nuevo fondo de manuscritos, parcialmente publicado en 2002 en los Écrits de linguistique générale, proporcionó a algunos lingüistas la ocasión de postular una nueva revolución: los manuscritos de Saussure, desenterrados un siglo después de haber sido escritos, contendrían potencial suficiente para conmocionar y restructurar (“bouleverser”) no sólo la lingüística contemporánea (Bouquet, 2004; Rastier, 2009), sino también las bases de la metafísica occidental (cf. Rastier, 2009). El propósito de este trabajo es el de revisar críticamente (si no de desactivar) los argumentos subyacentes a tal posición, para intentar de ese modo establecer cuáles son los criterios (¿biográficos, históricos, teóricos, filológicos?) que la sostienen. Intentaremos mostrar, en particular, que la apreciación de la importancia de un fondo de manuscritos científicos, como lo son en gran medida los de Saussure, no puede prescindir de una aproximación histórica, cuya carencia es evidente, justamente, en gran parte de los partidarios saussureanos (incluidos Rastier y Bouquet) de una nueva (o potencial) “revolución”. [less ▲]

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See detailLe récepteur NMDA : base moléculaire du mécanisme d’action de la kétamine
Hanon, E.; Gustin, Pascal ULg; Ansay, M.

in Annales de Médecine Vétérinaire (1993), 137

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See detailRecepteurs PPAR-gamma, nouvelle cible therapeutique dans les pathologies metaboliques et cardio-vasculaires.
Scheen, André ULg; Paquot, Nicolas ULg

in Revue Médicale de Liège (2005), 60(2), 89-95

PPARs ("Peroxisome Proliferator-Activated Receptors") belong to a superfamily of nuclear receptors with several isoforms, among which PPAR-alpha mainly located in the liver and PPAR-gamma mainly located ... [more ▼]

PPARs ("Peroxisome Proliferator-Activated Receptors") belong to a superfamily of nuclear receptors with several isoforms, among which PPAR-alpha mainly located in the liver and PPAR-gamma mainly located in the adipose tissue. These receptors are considered as major pharmacological targets since the discovery of their activation by specific agonists, which lead to various favourable metabolic effects. Improvement of lipid profile by fibrates is explained by the activation of liver PPAR-alpha receptors. However, PPAR-gamma receptors have focused most fundamental and clinical research in recent years after the demonstration of their activation by thiazolidinediones (pioglitazone, rosiglitazone), a new class of antidiabetic agents. Beyond their effects on insulin sensitivity, glitazones exert pleiotropic effects that may result in cardiovascular protection in high risk patients. It has been recently demonstrated that certain angiotensin AT1 receptor blockers (sartans) can also exert a partial agonist activity on PPAR-gamma. Among the molecules of this class, telmisartan appears to exert this effect at the lower concentrations. Thus, PPAR-y, as common pharmacological target, may, at least partially, explain some of the effects observed with both thiazolidinediones and inhibitors of the renin-angiotensin system, in particular the improvement in insulin sensitivity (in particular via an increase in adiponectin levels), the protection against type 2 diabetes, the reduction in arterial blood pressure and the prevention of cardiovascular complications. There is currently a major interest from the pharmaceutical industry in the development of new molecules able to activate both PPAR-alpha and PPAR-gamma. [less ▲]

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See detailUne réception chahutée : le 'Sonnet du trou du cul' de Rimbaud et Verlaine
Saint-Amand, Denis ULg

Conference (2008, April 18)

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See detailUne réception chahutée : le Sonnet du trou du cul de Rimbaud et Verlaine
Saint-Amand, Denis ULg

in Beauthier, Régine; Méon, Jean-Matthieu; Truffin, Barbara (Eds.) Obscénité, pornographie et censure. Les mises en scène de la sexualité et leur (dis)qualification (XIXe-XXe siècles) (2010)

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See detailLa réception de caution
Delforge, Cécile ULg

in MOREAU, Pierre (Ed.) La jurisprudence du Code judiciaire commentée – Procédures particulières et droit judiciaire de la famille (2012)

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See detailLa réception de l'approche law & economics par les juristes
Sibony, Anne-Lise ULg

Conference (2009, June 16)

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See detailLa réception de l’art japonais en Belgique
Bawin, Julie ULg

Conference given outside the academic context (2001)

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See detailLa réception de l’art japonais en Belgique
Bawin, Julie ULg

in Art&Fact (2001)

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See detailLa réception des arrêts Salduz et Dayanan de la Cour européenne des droits de l'homme par la Cour de cassation
Michiels, Olivier ULg

in Revue de Jurisprudence de Liège, Mons et Bruxelles (2010), (27), 1274-1284

La présence de l’avocat dès l’arrestation judiciaire du suspect a déjà fait couler beaucoup d’encre. C’est l’arrêt Salduz contre Turquie prononcé par la Cour européenne des droits de l’homme le 27 ... [more ▼]

La présence de l’avocat dès l’arrestation judiciaire du suspect a déjà fait couler beaucoup d’encre. C’est l’arrêt Salduz contre Turquie prononcé par la Cour européenne des droits de l’homme le 27 novembre 2008 qui a servi de détonateur à cette polémique. Cet arrêt n’a pas manqué de donner lieu à des interprétations divergentes. Parmi les diverses interrogations suscitées par l’arrêt Salduz, il y en est une qui s’est rapidement avérée fondamentale. En effet, la Cour européenne des droits de l’homme s’est abstenue de définir expressément ce que recouvrait le « droit à l’assistance d’un avocat ». Ce sujet a laissé place à un affrontement entre deux thèses. La première, qualifiée de « minimaliste » ou de « statique » consiste à retenir que la Cour strasbourgeoise consacre le droit à la consultation d’un avocat avant les premiers interrogatoires qui suivent la privation de liberté. La seconde, qualifiée de « maximaliste » ou de « dynamique » retient que la Cour assure le droit, à la personne privée de sa liberté, de bénéficier de l’assistance d’un avocat au cours de ses interrogatoires . Un éclaircissement sur ce point était nécessaire. Il n’a pas fallu un an pour que la Cour européenne des droits de l’homme tranche définitivement cette discussion. Dans son arrêt Dayanan contre Turquie du 13 octobre 2009, la Cour prend résolument partie pour la thèse « maximaliste » quand elle énonce qu’un accusé doit, dès qu’il est privé de liberté pouvoir bénéficier de l’assistance d’un avocat et cela indépendamment des interrogatoires qu’il subit. Ce bouleversement procédural n’a pas tardé à franchir les portes de la Cour de cassation. L’arrêt annoté se situe dans la droite ligne de la jurisprudence développée par la Cour en matière de détention préventive. Il présente toutefois la double particularité de se prononcer à propos d’une décision rendue par une juridiction de fond, en l’occurrence la cour d’assises, et d’être assez longuement motivé. Le commentaire met également en perspective la position adoptée par la Cour de cassation face au respect du principe de légalité de la procédure pénale et de la hiérarchie des normes, de la lacune législative ou un vide législatif et du contrôle de conventionnalité. Il propose enfin une voie médiane en attendant l’intervention du législateur. [less ▲]

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