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See detailExperimental procedure and statistical data treatment for the kinetic study of selective hydrodechlorination of 1,2-dichloroethane into ethylene over a Pd-Ag sol–gel catalyst
Pirard, Sophie ULiege; Pirard, Jean-Paul ULiege; Heyen, Georges ULiege et al

in Chemical Engineering Journal (2011), 173(3), 801-812

The kinetics of selective hydrodechlorination of 1,2-dichloroethane into ethylene over a Pd- Ag/SiO2 catalyst was studied using an a priori experimental design with five independent variables—temperature ... [more ▼]

The kinetics of selective hydrodechlorination of 1,2-dichloroethane into ethylene over a Pd- Ag/SiO2 catalyst was studied using an a priori experimental design with five independent variables—temperature and partial pressures of 1,2-dichloroethane, hydrogen, ethylene and hydrogen chloride. A Langmuir–Hinshelwood model including two types of active site and the 1,2-dichloroethane adsorption as the rate-determining step was found to fit correctly with experimental data, according to the analysis of variance and the analysis of pondered residuals. The study allowed for catalytic deactivation. The rigorous experimental and statistical approach followed to carry out such a kinetic study is explained in detail. [less ▲]

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See detailK voprosou bidelenii fatsii zoubtchatogo moustié na materialakh pamyatnikov sredneï azii
Krivoshapkin, A.; Kolobova, K.; Pavlenok, K. et al

Scientific conference (2011)

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See detailCell wall polysaccharides hydrolysis of malting barley (Hordeum vulgare L.) : a review
Jamar, Catherine ULiege; du Jardin, Patrick ULiege; Fauconnier, Marie-Laure ULiege

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2011), 15(2), 301-313

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See detailNew alginate-chitosan hydrogel beads with anti-inflammatory and anabolic effects on human chondrocytes
Oprenyeszk, Frédéric ULiege; Mathy, Marianne ULiege; Sanchez, Christelle ULiege et al

in Osteoarthritis and Cartilage (2011), 19(Suppl 1), 222

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See detailLa Bone sialoprotéine est associée à la différenciation hypertrophique des chondrocytes et aux lésions du cartilage arthrosique
Pesesse, Laurence ULiege; Sanchez, Christelle ULiege; Walsh, David et al

in Revue du Rhumatisme (2011), 78(suppl 5), 99-100

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See detailSpecular light reflectance of flakes in seborrhoeic dermatitis of the scalp: a pilot study.
PIERARD-FRANCHIMONT, Claudine ULiege; QUATRESOOZ, Pascale ULiege; PIERARD, Gérald ULiege

in Clinical & Experimental Dermatology (2011), 36(7), 793-6

Seborrhoeic dermatitis and dandruff are common scalp conditions. In this study, we set out to explore a new method for rating both the severity of the scalp condition and the efficacy of scalp-care ... [more ▼]

Seborrhoeic dermatitis and dandruff are common scalp conditions. In this study, we set out to explore a new method for rating both the severity of the scalp condition and the efficacy of scalp-care compounds. Scalp flakiness was sampled for 40 volunteers using adhesive-coated clear discs, with image analysis used to quantify the specular light reflectance (SLR) of the flakes Two ultraviolet (UV)-emitting charge-coupled device cameras (Visioscan VC98 and Visiopor PP34) were used. SLR clearly highlighted the flakiness with high contrast against a black background, and the recorded appearance could be conveniently submitted to the image-analysis system for quantification. In conclusion, SLR under UV illumination highlights scalp flakiness, allowing objective measurements. [less ▲]

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See detailFirst study of oral artenimol-R in advanced cervical cancer: clinical benefit, tolerability and tumor markers
Jansen, Frans Herwig; Adoubi, Innocent; Kouassi, Comoe J.C. et al

in Anticancer Research (2011), 31(12), 4417-4422

Background/Aim: Artenimol-R is cytotoxic in transformed cervical cells and safety in humans is yet to be established. The present study investigates the clinical benefits, safety and the tumor marker ... [more ▼]

Background/Aim: Artenimol-R is cytotoxic in transformed cervical cells and safety in humans is yet to be established. The present study investigates the clinical benefits, safety and the tumor marker effect of orally administered Artenimol-R in patients with advanced cervix carcinoma. Patients and Methods: Ten patients were treated with Artenimol-R for 28 days. Clinical symptoms, vaginal discharge and pain were followed-up. Adverse events were recorded. Biopsy samples were analyzed by immunohistochemistry for the expression of relevant tumor markers. Results: Artenimol-R treatment induced clinical remission with a median time for the disappearance of the symptoms being 7 days. No adverse events of grade 3 or 4 occurred. The expression of p53, Epidermal growth factor receptor (EGFR), and antigen Ki-67 as a cellular marker of proliferation, as well as the number of blood vessels stained by the CD31 antibody decreased, whereas the expression of transferrin receptor protein 1 (CD71) increased. Conclusion: The current pilot study provides evidence on the improvement of the clinical symptoms and the good tolerability of Artenimol-R in patients with advanced carcinoma of the cervix uteri. A survival trial with Artenimol- R in advanced patients is warranted. [less ▲]

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See detailThe influence of affective valence on DRM false memories in younger and older adults
Dehon, Hedwige ULiege; Laroi, Frank; Van der Linden, Martial

Poster (2011)

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See detailLes traitements pharmacologiques chez les patients récupérant du coma
Gosseries, Olivia ULiege; Thonnard, Marie ULiege; Laureys, Steven ULiege

in C Schnakers & S Laureys (Ed.) Comas et états de conscience altérée (2011)

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See detailPreparation of Spherical Submicronic Barium Zirconate particles in Highly Basic Solution below 100°C
Boschini, Frédéric ULiege; Cloots, Rudi ULiege; Vertruyen, Bénédicte ULiege

in IOP Conference Series: Materials Science and Engineering (2011)

In this study, a new method has been developed to produce pure crystalline BaZrO3 powders from Ba+Zr solution or weakly soluble reactants by using precipitation route in highly basic aqueous solution. The ... [more ▼]

In this study, a new method has been developed to produce pure crystalline BaZrO3 powders from Ba+Zr solution or weakly soluble reactants by using precipitation route in highly basic aqueous solution. The influence of several synthesis parameters is studied. At high OH- concentration ([NaOH] = 20 mol/l), it is possible to obtain the well-crystallized stoichiometric perovskite phase at relatively low temperature (~80°C), after a short reaction time (15 minutes) and without requiring any precaution to avoid the presence of CO2. This synthesis method yields spherical particles, whose size can be controlled by changing the concentration of the Ba+Zr solution. No calcination treatment is necessary since the precipitate is crystalline. Suitable choice of the synthesis parameters ([NaOH] = 20 mol/l, [Ba+Zr] = 1 mol/l, reaction time = 15 minutes) yields a sub-micron precipitate. [less ▲]

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See detailPlantons autrement: Code de conduite sur les plantes invasives (dépliant de vulgarisation)
Halford, Mathieu ULiege; Heemers, Leen; Mathys, Catherine et al

Learning material (2011)

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See detailA novel image-analysis toolbox enabling quantitative analysis of root system architecture
Lobet, Guillaume ULiege; Pagès, L.; Draye, X.

in Plant Physiology (2011), 157(1), 29--39

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See detailCassava: constraints to production and the transfer of biotechnology to African laboratories.
Bull, Simon E.; Ndunguru, Joseph; Gruissem, Wilhelm et al

in Plant cell reports (2011), 30(5), 779-87

Knowledge and technology transfer to African institutes is an important objective to help achieve the United Nations Millennium Development Goals. Plant biotechnology in particular enables innovative ... [more ▼]

Knowledge and technology transfer to African institutes is an important objective to help achieve the United Nations Millennium Development Goals. Plant biotechnology in particular enables innovative advances in agriculture and industry, offering new prospects to promote the integration and dissemination of improved crops and their derivatives from developing countries into local markets and the global economy. There is also the need to broaden our knowledge and understanding of cassava as a staple food crop. Cassava (Manihot esculenta Crantz) is a vital source of calories for approximately 500 million people living in developing countries. Unfortunately, it is subject to numerous biotic and abiotic stresses that impact on production, consumption, marketability and also local and country economics. To date, improvements to cassava have been led via conventional plant breeding programmes, but with advances in molecular-assisted breeding and plant biotechnology new tools are being developed to hasten the generation of improved farmer-preferred cultivars. In this review, we report on the current constraints to cassava production and knowledge acquisition in Africa, including a case study discussing the opportunities and challenges of a technology transfer programme established between the Mikocheni Agricultural Research Institute in Tanzania and Europe-based researchers. The establishment of cassava biotechnology platform(s) should promote research capabilities in African institutions and allow scientists autonomy to adapt cassava to suit local agro-ecosystems, ultimately serving to develop a sustainable biotechnology infrastructure in African countries. [less ▲]

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See detailThe BioCassava plus program: biofortification of cassava for sub-Saharan Africa.
Sayre, Richard; Beeching, John R.; Cahoon, Edgar B. et al

in Annual review of plant biology (2011), 62

More than 250 million Africans rely on the starchy root crop cassava (Manihot esculenta) as their staple source of calories. A typical cassava-based diet, however, provides less than 30% of the minimum ... [more ▼]

More than 250 million Africans rely on the starchy root crop cassava (Manihot esculenta) as their staple source of calories. A typical cassava-based diet, however, provides less than 30% of the minimum daily requirement for protein and only 10%-20% of that for iron, zinc, and vitamin A. The BioCassava Plus (BC+) program has employed modern biotechnologies intended to improve the health of Africans through the development and delivery of genetically engineered cassava with increased nutrient (zinc, iron, protein, and vitamin A) levels. Additional traits addressed by BioCassava Plus include increased shelf life, reductions in toxic cyanogenic glycosides to safe levels, and resistance to viral disease. The program also provides incentives for the adoption of biofortified cassava. Proof of concept was achieved for each of the target traits. Results from field trials in Puerto Rico, the first confined field trials in Nigeria to use genetically engineered organisms, and ex ante impact analyses support the efficacy of using transgenic strategies for the biofortification of cassava. [less ▲]

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See detailQui veut jouer avec moi ?
Rigo, Michel ULiege

Learning material (2011)

Dans cet exposé accessible au plus grand nombre, nous présentons à travers quelques jeux célèbres (la tablette de chocolat empoisonnée, le jeu de Nim, le jeu de Wythoff, le paradoxe du prisonnier) les ... [more ▼]

Dans cet exposé accessible au plus grand nombre, nous présentons à travers quelques jeux célèbres (la tablette de chocolat empoisonnée, le jeu de Nim, le jeu de Wythoff, le paradoxe du prisonnier) les notions de positions gagnante ou perdante et de stratégie. Cela motive l'analyse mathématique d'un jeu. Bien au-delà du simple caractère ludique, nous montrons l'intérêt de la notion de jeu comme modèle dans des domaines aussi variés que l'informatique, la biologie ou encore l'économie mais aussi les interactions existant avec d'autres branches des mathématiques. [less ▲]

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See detailSleeping Site Selection and Presleep Behavior in Wild Pigtailed Macaques
Albert, Aurélie ULiege; Savini, Tommaso ULiege; Huynen, Marie-Claude ULiege

in American Journal of Primatology (2011), 73

Several factors are likely to control sleeping site selection and presleep behavior in nonhuman primates, including predation risk and location of food resources. We examined the effects of these factors ... [more ▼]

Several factors are likely to control sleeping site selection and presleep behavior in nonhuman primates, including predation risk and location of food resources. We examined the effects of these factors on the sleeping behavior of northern pigtailed macaques (Macaca leonina). While following a troop living in the surroundings of the Visitor Center of Khao Yai National Park (Thailand), we recorded the physical characteristics and location of each sleeping site, tree, the individuals’ place in the tree, posture, and behavior. We collected data for 154 nights between April 2009 and November 2010. The monkeys preferred tall sleeping trees (20.97SD 4.9 m) and high sleeping places (15.87SD 4.3 m), which may be an antipredator strategy. The choice of sleeping trees close to the last (146.77SD 167.9 m) or to the first (150.47SD 113.0 m) feeding tree of the day may save energy and decrease predation risk when monkeys are searching for food. Similarly, the choice of sleeping sites close to human settlements eases the access to human food during periods of fruit scarcity. Finally, the temporal pattern of use of sleeping sites, with a preference for four of the sleeping sites but few reuses during consecutive nights, may be a tradeoff between the need to have several sleeping sites (decreasing detection by predators and travel costs to feeding sites), and the need to sleep in well-known sites (guaranteeing a faster escape in case of predator attack). [less ▲]

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See detailEffects of Temperature and Relative Humidity on the In Vitro and In Vivo Radial Growth of Penicillium italicum and on the Biocontrol Activity of Pichia guilliermondii, Strain Z1
El Guilli, M.; Ibriz, M.; Lahlali, Rachid et al

in Acta Horticulturae (2011), 905

The objective of this study was to assess the effect of temperature (5-25°C) on the ‘in vitro’ and ‘in vivo’ growth rates of Penicillium italicum and to determine the combined effect of temperature and ... [more ▼]

The objective of this study was to assess the effect of temperature (5-25°C) on the ‘in vitro’ and ‘in vivo’ growth rates of Penicillium italicum and to determine the combined effect of temperature and relative humidity (45 to 100%) on lesion size of this pathogenic fungus on Valencia late oranges, either alone or in combination with the antagonistic yeast strain Z1 of Pichia guilliermondii Wickerham. Statistical analysis showed a significant effect of temperature on the ‘in vitro’ and ‘in vivo’ radial growth of P. italicum with the maximum growth observed at temperature of 25°C. In both cases, no growth was observed at a temperature of 35°C. These factors had a significant effect on P. italicum lesion size when it was applied alone on Valencia late oranges and insignificant when yeast strain Z1 was applied 24 h before P. italicum inoculation. Our results confirm previous ‘in vitro’ findings that aw has a greater influence than temperature on P. italicum growth and highlight that the strain Z1 showed high antagonistic potential against this pathogen over a range of temperature-relative humidity regimes favouring P. italicum development. [less ▲]

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