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See detailEnhancing The Antilisterial Effect Of Lactobacillus Curvatus Cwbi-B28 In Pork Meat And Cocultures By Limiting Bacteriocin Degradation
Kouakou, P.; Ghalfi, H.; Destain, Jacqueline ULg et al

in Meat Science (2008), 80(3),

This work focused on Listeria monocytogenes growth inhibition and growth rebound in raw and cooked pork meat inoculated with Lactobacillus curvatus strains. During storage of raw meat homogenates in the ... [more ▼]

This work focused on Listeria monocytogenes growth inhibition and growth rebound in raw and cooked pork meat inoculated with Lactobacillus curvatus strains. During storage of raw meat homogenates in the presence of the bacteriocin-producing strain Lactobacillus curvatus CWBI-B28wt, the Listeria monocytogenes cfu count was initially reduced to an undetectable level, but a growth rebound occurred after two weeks, coinciding with loss of 70% of the bacteriocin activity present at the end of week 2. The Listeria growth rebound was suppressed when proteolysis of bacteriocin was countered by the absence of proteases (bacteriocin addition to cooked meat) or the presence of 1% soy flour (added to provide competing substrates). Further experiments confirmed that bacteriocin is sensitive to the action of proteolytic enzymes isolated from both Lactobacillus curvatus CWBI-B28wt and the meat matrix. Bacteriocin proteolysis thus emerges as a cause of Listeria growth rebound. [less ▲]

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See detailEnhancing the salience of fluency improves recognition memory performance in mild Alzheimer’s disease
Bastin, Christine ULg; Willems, Sylvie ULg; Genon, Sarah ULg et al

in Journal of Alzheimer's Disease [=JAD] (2013), 33

Recognition memory can rely on recollection (recall of the details from the encoding episode) and familiarity (feeling that some information is old without any recollection). In Alzheimer’s disease (AD ... [more ▼]

Recognition memory can rely on recollection (recall of the details from the encoding episode) and familiarity (feeling that some information is old without any recollection). In Alzheimer’s disease (AD), whereas there is a clear deficit of recollection, the evidence regarding familiarity is mixed, with some studies showing preserved familiarity and others reporting impairment. The current study examined whether recognition memory performance can be improved in AD when the use of familiarity is facilitated by the salience of processing fluency due to an earlier encounter with the information. Fifteen AD patients and 16 healthy controls performed a verbal recognition memory task where the salience of fluency was manipulated by means of letters overlap. Studied and unstudied words were constituted of either two separate sets of letters (no-overlap condition, high fluency salience) or the same set of letters (overlap condition, low fluency salience). The results showed that, although performance was globally poorer in AD patients than in the controls, both groups performed significantly better in the no-overlap condition than in the overlap condition. This suggests that AD patients benefited as much as the controls from the salience of fluency. [less ▲]

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See detailThe Enigma of B-type Pulsators in the SMC
Salmon, Sébastien ULg; Montalban Iglesias, Josefa ULg; Miglio, Andrea ULg et al

in AIP Conference Proceedings (2009, September 01), 1170

Since the early nineties it is accepted that the excitation mechanism of B-type pulsators on the main sequence is due to the opacity peak in the iron-group elements at T~200,000 K. The Fe content plays ... [more ▼]

Since the early nineties it is accepted that the excitation mechanism of B-type pulsators on the main sequence is due to the opacity peak in the iron-group elements at T~200,000 K. The Fe content plays then a major role in the excitation of β Cep and SPB pulsations. While theoretical non-adiabatic computations predict no β Cep pulsators and only a small number of SPBs for low metallicity environments such as that of the Magellanic Clouds (MCs), recent variability surveys of B stars in the SMC have reported the detection of a significant number of SPB and β Cep candidates. Since the SMC is the metal poorest (Z~0001-0.004) of the MCs, it constitutes an interesting object for investigating the disagreement between theory and observations. We approach the problem by calling into question some of the hypotheses made in previous studies: given the different chemical evolution of the SMC compared with our local galactic environment, is it appropriate to describe the chemical composition of SMC B stars by scaling the solar mixture to lower Z? Is that composition uniform in space and time? In this paper we present the results of a stability analysis of B-type stellar models computed with a revised chemical composition and metallicity specific to the SMC. [less ▲]

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See detailThe enigmatic flarings of HR2517.
Sterken, C.; Manfroid, Jean ULg

in Astronomy and Astrophysics (1996), 305

We report the discovery of strong flaring of the B3 II-III star HR2517. The evidence is based on Stroemgren differential uvby photometry spanning more than a decade. We discuss the behaviour of HR2517 in ... [more ▼]

We report the discovery of strong flaring of the B3 II-III star HR2517. The evidence is based on Stroemgren differential uvby photometry spanning more than a decade. We discuss the behaviour of HR2517 in terms of two models, viz. a rooted bright spot suddenly appearing and developing with modulation in photospheric temperature producing periodic light and profile variations as the star rotates, or that HR2517 is a Be star in an eccentric (P~33-34d) high-mass X-ray binary (HMXB) with neutron star companion--one of the brightest such systems known. [less ▲]

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See detailEnigmatic Givetian palynomorphs
Steemans, Philippe ULg

Report (2006)

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See detailL'énigme de Sirius
Heck, Andre; Manfroid, Jean ULg

Article for general public (1986)

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See detailL'énigme de Sirius
Heck, Andre; Manfroid, Jean ULg

Article for general public (1987)

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See detailL'énigme du Mont Agel (Alfred Machin, Henry Wulschleger, 1924)
Belloi, Livio ULg

in Claes, Gabrielle (Ed.) Les Cahiers du Muet (1995)

Analysis of the film's complex flashback construction.

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See detailUne énigme photographique. Les images indéterminées de Maurice Blondel
Havelange, Carl ULg

Conference (2004, May 24)

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See detailLes énigmes de la "Joconde"
Fagnart, Laure ULg

Conference given outside the academic context (2007)

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See detailEnjeu climatique : Quel coût pour l’inaction ?
Ozer, Pierre ULg

in Politique : Revue de Débats (2009), Hors-série 12

Sans cesse, nous sommes assommés par une kyrielle de messages publicitaires qui passent la rampe sans le moindre problème et prônent un certain mode de société. Un supermarché exhorte « Vivez comme vous ... [more ▼]

Sans cesse, nous sommes assommés par une kyrielle de messages publicitaires qui passent la rampe sans le moindre problème et prônent un certain mode de société. Un supermarché exhorte « Vivez comme vous voulez », l’autre clame « Et tout devient possible ». En effet, dans ce dernier, même ce qui pourrait paraître impossible est possible… [less ▲]

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See detailL'enjeu de la maîtrise du foncier
Fontaine, Pierre; Halleux, Jean-Marie ULg

Conference given outside the academic context (2014)

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See detailL'enjeu de la satire chez Alphone Allais
Defays, Jean-Marc ULg

in French Literature Series (1987), XIV

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See detailEnjeux autour de la survie de l'Assemblée de l'Union de l'Europe occidentale : tensions, rivalités et contournements
Dumoulin, André ULg

in Wintgens, Sophie; Grégory, Piet (Eds.) La puissance : débat autour des jeux et des enjeux du pouvoir (2011)

Examen des rivalités et des résistances de l'Assemblée de l'UEO face à la décision de dénoncer le traité de Bruxelles modifié

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See detailEnjeux autour des forêts congolaises
Vermeulen, Cédric ULg

Conference (2013, April 19)

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See detailEnjeux autour des forêts congolaises
Vermeulen, Cédric ULg

in Cahiers africains (2014), 84

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See detailEnjeux autour des forêts congolaises. Conflits d’usage, conflits sans arbitres
Vermeulen, Cédric ULg

Conference given outside the academic context (2014)

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See detailEnjeux cognitifs de l’esquisse dans la littérature européenne du XIXe siècle
Stienon, Valérie ULg

in @nalyses : Revue de Critique et de Théorie Littéraire (2008)

Detailed reference viewed: 34 (7 ULg)