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See detailThe effect of albumen removal before incubation (embryonic protein under-nutrition) on the post-hatch performance, regulators of protein translation activation and proteolysis in neonatal broilers.
Everaert, Nadia ULg; Metayer-Coustard, Sonia; Willemsen, Hilke et al

in The British journal of nutrition (2013), 110(2), 265-74

Albumen was removed from broiler eggs before the start of incubation to induce prenatal protein under-nutrition in chicken embryos. With this method, the direct effect of protein deficiency was ... [more ▼]

Albumen was removed from broiler eggs before the start of incubation to induce prenatal protein under-nutrition in chicken embryos. With this method, the direct effect of protein deficiency was investigated, differing from mammalian models manipulating the maternal diet where indirect, hormonal effects can interfere. Based on the estimated albumen/egg weight ratio, 10 % of albumen was removed with an 18G needle, after making a hole at the sharp end of the egg with another 18G needle. Eggs were taped thereafter. The sham group underwent the same procedure, except that no albumen was removed. Control eggs did not receive any treatment. The removal of albumen decreased both embryonic and post-hatch body weight up to day 7 compared with the control group. On embryonic day 18, embryos from the albumen-deprived group had higher plasma uric acid levels compared with the sham (P= 0.016) and control (P= 0.009) groups. Moreover, a lower plasma amino acid concentration was observed at hatch compared with the sham (P= 0.038) and control (P= 0.152) groups. These findings indicate an altered protein metabolism. At hatch, a higher mRNA expression of muscle ring finger-1 (MuRF1), a gene related to proteolysis, was observed in albumen-deprived chicks compared with the control and sham chicks, together with an up-regulated expression of atrogin-1 (another atrogene) at this time point in the male protein-deficient chicks. These findings suggest that muscle proteolysis is transiently increased by the removal of albumen before the start of incubation. No evidence was found for altered protein synthesis capacity and translational efficiency in albumen-deprived chicks. [less ▲]

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See detailEffect of alumina and titanium nitrides inclusions on mechanical properties in high alloyed steels
Lecomte-Beckers, Jacqueline ULg; Tchoufang Tchuindjang, Jérôme; Gfhiri, Rachid et al

in Proceedings of the MSMF-3 International Conference (2001)

every commercial steel product in varying amounts. Since inclusions significantly influence properties and behaviour of materials and at the same time give indications on the quality of the steel, it is ... [more ▼]

every commercial steel product in varying amounts. Since inclusions significantly influence properties and behaviour of materials and at the same time give indications on the quality of the steel, it is quite interesting to precise their nature and their origin. In this paper concerning a project involved in the COST 517 framework, studied alloys are high alloy steels. The raw materials were obtained from the conventionally electrical cast ingot and the Electro Slag Refining processes. The purpose is to compare various inclusions produced by these different processes and their effect on the mechanical properties. The raw material because of the melting processes themselves, leads to a product with a good to a great cleanliness, and tiny inclusions, which are haphazardly distributed. The actual ASTM E45 chart seems to be inappropriate, as the inclusions founded are too small in size. Therefore, we manage to develop a specific procedure for the study of such inclusions. The different types of inclusions encountered are oxides, titanium nitrides, and manganese sulphides. Studying the effect on mechanical properties, oxides often seem to initiate fatigue fracture. [less ▲]

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See detailEffect of ambient water temperature on sex determinism in the blue tilapia Oreochromis aureus
Desprez, Damien; Mélard, Charles ULg

in Aquaculture (1998), 162

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See detailEffect of AMF enrichment with 13C-­‐triacylglycerol tracers on its thermal and structural behavior
Danthine, Sabine ULg; Vors, C.; Michalski, M-C

Poster (2014, September)

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See detailEffect of amineptine on the firing rate of central monoaminergic neurons in the rat
Scuvée-Moreau, Jacqueline ULg; Dresse, Albert ULg

in Archives Internationales de Physiologie et de Biochimie (1982), 90

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See detailThe effect of an acute energy deficit on the hormone profile of dominant follicles in dairy cows
Comin, Antonella; Gerin, Daniele; Cappa, Alberto et al

in Theriogenology (2002), 58

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See detailEffect of an alpha-adrenergic stimulation on the face temperature of horses with Horner's syndrome
Ghafir, Y; Art, Tatiana ULg; Lekeux, Pierre ULg

in Pflügers Archiv : European Journal of Physiology (1995), 430

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See detailEffect of an anti-termite treatment on hindgut content metaproteome
Bauwens, Julien ULg; Fossépré, Marie; De Pauw, Edwin ULg et al

Conference (2014, July 16)

Introduction Termites are studied for many aspects of their biology. Historically known as pests in regard of human activities, these insects were more recently intensively investigated in the biofuel ... [more ▼]

Introduction Termites are studied for many aspects of their biology. Historically known as pests in regard of human activities, these insects were more recently intensively investigated in the biofuel context. Symbiotic interactions occurring along the termite gut are of particular interest for both of these scopes. In this study we compared hindgut metaproteome of termites fed with an anti-termite treatment and an untreated diet. Material & Methods Termites were fed with Whatman paper for 84 hours. For untreated and treated diet respectively, paper was moisten with water and a sub lethal suspension of tannins associated with boric acid (BAT). Termite hindgut content proteome was extracted and digested. Peptides were analyzed through nano-LC-ESI-MS/MS using an Orbitrap analyzer. Proteins identification was realized by Mascot search in a homemade termite protein sequences database. Non redundant peptides with a score above identity threshold were blasted against NCBI nr database and results of this blast were analyzed using MeGAn 5. Results High resolution mass spectrometry allowed identification of around 1500 and 1000 non redundant peptides respectively for water and ABT treatment. Peptides were parsed following their taxonomic and functional attribution in order to highlight differences in hindgut metabolism such as cellulose digestion or detoxification process. Identification of ubiquitous proteins also revealed differences in symbiotic populations balance. Conclusions Despite the sub lethal concentration for the anti-termite treatment, significant perturbation of hindgut metabolism was observed. Tannins are slightly repulsive for termites compared to boric acid alone, and this has to be taken in account. These results will be completed with biochemical assays, microscopic observations and 2D-DIGE MALDI-TOF/TOF experiment, analyzing potentially synergistic effect between boric acid and tannins. [less ▲]

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See detailEffect of an audiovisual message for tetanus booster vaccination broadcast in the waiting room
EUBELEN, Caroline; BRENDEL, Fannette; Belche, Jean-Luc ULg et al

in BMC Family Practice (2011), 12

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See detailEffect of an electric field on an intermittent granular flow
Mersch, Eric ULg; Lumay, Geoffroy ULg; Boschini, Frédéric ULg et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2010), 81

Granular gravity driven flows of glass beads have been observed in a silo with a flat bottom. A dc high electric field has been applied perpendicularly to the silo to tune the cohesion. The outlet mass flow ... [more ▼]

Granular gravity driven flows of glass beads have been observed in a silo with a flat bottom. A dc high electric field has been applied perpendicularly to the silo to tune the cohesion. The outlet mass flow has been measured. An image subtraction technique has been applied to visualize the flow geometry and a spatiotemporal analysis of the flow dynamics has been performed. The outlet mass flow is independent of voltage, but a transition from funnel flow to rathole flow is observed. This transition is of probabilistic nature and an intermediate situation exists between the funnel and the rathole situations. At a given voltage, two kinds of flow dynamics can occur: a continuous flow or an intermittent flow. The electric field increases the probability to observe an intermittent flow. [less ▲]

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See detailEffect of an inactivated bluetongue serotype 8 vaccine on semen quality in rams.
Leemans, Jerome; Raes, Marianne; Saegerman, Claude ULg et al

in Veterinary Journal (2012), 193(2), 567-9

The aim of this study was to determine whether a single dose of an inactivated bluetongue virus serotype 8 (BTV-8) vaccine altered semen quality in rams. Twenty sexually mature rams were assigned to three ... [more ▼]

The aim of this study was to determine whether a single dose of an inactivated bluetongue virus serotype 8 (BTV-8) vaccine altered semen quality in rams. Twenty sexually mature rams were assigned to three experimental groups: two groups of four animals were vaccinated and a third group of four animals was unvaccinated. The first group included rams with a history of natural BTV-8 infection in 2007 and the second and third groups included BTV-8 naive rams. Semen was collected prior to vaccination and for 4months post-vaccination. There were no significant differences in semen quality traits, including motility and concentration of spermatozoa, and percentages of living, normal dead and abnormal dead spermatozoa, between vaccinated and unvaccinated groups, or over time (P>0.05). The BTV-8 vaccine tested in this study did not appear to have any adverse effect on semen quality in rams. [less ▲]

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See detailEffect of an intravenous infusion of lidocaine on cisatracurium-induced neuromuscular block duration: a randomized-controlled trial.
Hans, Grégory ULg; Defresne, Aline ULg; Ki, Bertille et al

in Acta Anaesthesiologica Scandinavica (2010), 54(10), 1192-6

BACKGROUND: Intravenous lidocaine can be used intraoperatively for its analgesic and antihyperalgesic properties but local anaesthetics may also prolong the duration of action of neuromuscular blocking ... [more ▼]

BACKGROUND: Intravenous lidocaine can be used intraoperatively for its analgesic and antihyperalgesic properties but local anaesthetics may also prolong the duration of action of neuromuscular blocking agents. We hypothesized that intravenous lidocaine would prolong the time to recovery of neuromuscular function after cisatracurium. METHODS: Forty-two patients were enrolled in this randomized, double-blind, placebo-controlled study. Before induction, patients were administered either a 1.5 mg/kg bolus of intravenous lidocaine followed by a 2 mg/kg/h infusion or an equal volume of saline. Anaesthesia was induced and maintained using propofol and remifentanil infusions. After loss of consciousness, a 0.15 mg/kg bolus of cisatracurium was administered. No additional cisatracurium injection was allowed. Neuromuscular function was assessed every 20 s using kinemyography. The primary endpoint was the time to spontaneous recovery of a train-of-four (TOF) ratio >/= 0.9. RESULTS: The time to spontaneous recovery of a TOF ratio >/= 0.9 was 94 +/- 15 min in the control group and 98 +/- 16 min in the lidocaine group (P=0.27). CONCLUSIONS: No significant prolongation of spontaneous recovery of a TOF ratio >/= 0.9 after cisatracurium was found in patients receiving intravenous lidocaine. [less ▲]

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See detailEffect of an intubation dose of rocuronium on Spectral Entropy and Bispectral Index (TM) responses to laryngoscopy during propofol anaesthesia
Hans, Pol ULg; Giwer, Jérôme ULg; Brichant, Jean-François ULg et al

in British Journal of Anaesthesia (2006), 97(6), 842-847

Background. The spectral entropy of the electroencephalogram has been proposed to monitor the depth of anaesthesia. State Entropy (SE) reflects the level of hypnosis. Response Entropy (RE), computed from ... [more ▼]

Background. The spectral entropy of the electroencephalogram has been proposed to monitor the depth of anaesthesia. State Entropy (SE) reflects the level of hypnosis. Response Entropy (RE), computed from electroencephalogram and facial muscle activity, reflects the response to nociceptive stimulation. We evaluated the effect of rocuronium on Bispectral Index (TM) (BIS) and entropy responses to laryngoscopy. Methods. A total of 25 patients were anaesthetized with propofol using a target-controlled infusion. At steady state, they randomly received 0.6 mg kg(-1) rocuronium (R) or saline (S). After 3 min, a 20 s laryngoscopy was applied. BIS, RE and SE were recorded continuously and averaged over 1 min during baseline, at steady state, 2 min after R or S administration (R/S+2) and 0, 1, 2 and 3 min after laryngoscopy (L0, L1, L2, L3). Results. At R/S+2, the RE-SE gradient was higher in Group S than in Group R. Laryngoscopy provoked an increase in BIS, RE and SE. Comparing R/S+2 and L0 values in Groups R and S, BIS increased from 43 (6) to 49 (8) and 42 (9) to 51 (15), SE increased from 43 (7) to 50 (8) and 41 (10) to 55 (12), and RE increased from 46 (8) to 54 (9) and 47 (12) to 66 (15), respectively. BIS and SE did not differ between groups. At L0, RE and RE-SE were higher in Group S [66 (15) and 11 (4), respectively] than in Group R [54 (9) and 4 (2), respectively]. Conclusions. Rocuronium alters the RE-SE gradient and the RE and RE-SE responses to laryngoscopy. Muscle relaxation may confound interpretation of entropy monitoring. [less ▲]

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See detailEffect of an oral antioxidant supplementation enriched in (n-3) fatty acids on erythrocyte membrane fluidity in horses.
De Moffarts, Brieuc; Portier, K.; Kirschvink, Nathalie et al

in Proceedings: Congrès de médecine et de chirurgie équine, Genève 2005 (2005)

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See detailThe effect of anaesthetic technique on the incidence of Complex Regional Pain Syndrome after surgical hand fracture: Retrospective approach
Lejeune, Bertrand; Teuwis, Sandrine ULg; Lecoq, Jean-Pierre ULg et al

in Acta Anaesthesiologica Belgica (2008), 59(3), 209

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See detailEffect of androgen treatmen on fear reactions in ewes
Vandenheede, Marc ULg; Bouissou, M. F.

in Hormones & Behavior (1993), 27

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See detailEffect of androgen treatment on fear reactions in ewes.
Bouissou, M. F.; Vandenheede, Marc ULg

Conference (1993)

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See detailEffect of androgen treatment on fear reactions in ewes.
Vandenheede, Marc ULg; Bouissou, M. F.

Conference (1993)

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See detailEffect of Annealing Atmosphere on the Galvanizing Behaviour of a Dual-Phase Steel
Khondker, Rubayat; Mertens, Anne ULg; McDermid, Joe R.

in Materials Science & Engineering : A (2007), 463

The influence of annealing atmosphere oxidation potential on the surface condition of an industrial dual-phase steel alloyed with 2 wt% Mn and 0.3 wt% mo has been studied by galvanizing simulation, with ... [more ▼]

The influence of annealing atmosphere oxidation potential on the surface condition of an industrial dual-phase steel alloyed with 2 wt% Mn and 0.3 wt% mo has been studied by galvanizing simulation, with particular attention towards alloying element segregation, the occurrence of selective oxidation of the surfaces immediately prior to hot-dip galvanizing and their effect on reactive wetting and coating adherence. The surface chemistry and morphology prior to dipping have been analyzed in detail, along with their evolution during annealing, and the coating quality and chemistry were characterized and interpreted in relation to the surface condition prior to dipping. [less ▲]

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