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See detailGembloux : une bibliothèque universitaire au cœur du monde
Pochet, Bernard ULg

in Lectures : La Revue des Bibliothèques (2006), 146

Cet article est le premier d'une série d'articles, sur les bibliothèques universitaires de la Communauté française de Belgique, publiés dans la revue Lecture

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See detailGembloux Agricultural University : ICT learning
Colaux, Catherine ULg; Claustriaux, Jean-Jacques ULg

Scientific conference (2009)

Etat des lieux des outils TICE de la FUSAGx.

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See detailGembloux: des poissons pour faire pousser des salades
Jijakli, Haissam ULg

Article for general public (2013)

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See detailGemvid, an Open Source, Modular, Automated Activity Recording System for Rats Using Digital Video
Poirrier, Jean-Etienne; Poirrier, Laurent; Leprince, Pierre ULg et al

in Journal of Circadian Rhythms (2006), 4

BACKGROUND: Measurement of locomotor activity is a valuable tool for analysing factors influencing behaviour and for investigating brain function. Several methods have been described in the literature for ... [more ▼]

BACKGROUND: Measurement of locomotor activity is a valuable tool for analysing factors influencing behaviour and for investigating brain function. Several methods have been described in the literature for measuring the amount of animal movement but most are flawed or expensive. Here, we describe an open source, modular, low-cost, user-friendly, highly sensitive, non-invasive system that records all the movements of a rat in its cage. METHODS: Our activity monitoring system quantifies overall free movements of rodents without any markers, using a commercially available CCTV and a newly designed motion detection software developed on a GNU/Linux-operating computer. The operating principle is that the amount of overall movement of an object can be expressed by the difference in total area occupied by the object in two consecutive picture frames. The application is based on software modules that allow the system to be used in a high-throughput workflow. Documentation, example files, source code and binary files can be freely downloaded from the project website at http://bioinformatics.org/gemvid/. RESULTS: In a series of experiments with objects of pre-defined oscillation frequencies and movements, we documented the sensitivity, reproducibility and stability of our system. We also compared data obtained with our system and data obtained with an Actiwatch device. Finally, to validate the system, results obtained from the automated observation of 6 rats during 7 days in a regular light cycle are presented and are accompanied by a stability test. The validity of this system is further demonstrated through the observation of 2 rats in constant dark conditions that displayed the expected free running of their circadian rhythm. CONCLUSION: The present study describes a system that relies on video frame differences to automatically quantify overall free movements of a rodent without any markers. It allows the monitoring of rats in their own environment for an extended period of time. By using a low-cost, open source hardware/software solution, laboratories can greatly simplify their data acquisition and analysis pipelines and improve their workload. [less ▲]

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See detailGender and age at drinking onset affect voluntary alcohol consumption but neither the alcohol deprivation effect nor the response to stress in mice.
Tambour, Sophie ULg; Brown, Lauren L; Crabbe, John C

in Alcoholism, Clinical & Experimental Research (2008), 32(12), 2100-6

BACKGROUND: Epidemiological studies suggest that initiation of alcohol drinking at an early age is associated with an increased risk of developing an alcohol use disorder later in life. Nevertheless ... [more ▼]

BACKGROUND: Epidemiological studies suggest that initiation of alcohol drinking at an early age is associated with an increased risk of developing an alcohol use disorder later in life. Nevertheless, relatively few studies using animal models have investigated the relationship between age of onset of drinking and ethanol drinking patterns in adulthood. Besides age at drinking onset, other factors such as gender could also affect the pattern of development of alcohol consumption. In rodents, many studies have shown that females drink more than males. However, even if it is assumed that hormonal changes occurring at puberty could explain these differences, only one study performed in rats has investigated the emergence of sex-specific alcohol drinking patterns in adolescence and the transition from adolescence to adulthood. The aim of the present study was to compare the acquisition of voluntary alcohol consumption, relapse-like drinking (the Alcohol Deprivation Effect-ADE) and stress-induced alcohol drinking in male and female outbred mice that acquired alcohol consumption during adolescence or adulthood. METHODS: Separate groups of naive female and male WSC-1 mice aged +/- 28 days (adolescents) or +/-70 days (adults) were given ad libitum access to water and 6% ethanol solution for 8 weeks (1st to 8th week) before undergoing a 2-week deprivation phase (9th and 10th week). After the deprivation period, 2-bottle preference testing (ethanol vs. water) resumed for 3 weeks (11th to 13th). During the 13th week, all animals were subjected to restraint stress for 2 consecutive days. RESULTS: Over the entire time course of the experiment, ethanol intake and preference increased in females (both adults and adolescents). Adolescent animals (both females and males) showed a transient increase in alcohol consumption and preference compared to adults. However, by the end of continuous alcohol exposure (when all mice were adults), ethanol intake was not affected by age at drinking onset. A deprivation phase was followed by a rise in ethanol intake (ADE) that was not affected by sex or age. Finally, stress did not alter alcohol self-administration either during or after its occurrence. CONCLUSIONS: Emergence of greater alcohol consumption in adult females does not seem to be limited to a specific developmental period (i.e., puberty). Age of voluntary drinking onset (adolescence vs. adulthood) does not affect eventual alcohol intake in adult WSC-1 mice and does not modify the transient increase in ethanol consumption after alcohol deprivation. [less ▲]

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See detailGender and culture in father-daughter succession within the family business: A case study in Canada
Begin, Lucie; Constantinidis, Christina ULg; Halkias, Daphne et al

in Halkias, Daphne; Swiercz; Smith, C. (Eds.) et al Father-daughter succession in family business: A cross-cultural perspective (2011)

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See detailGender and diagnostic performance of the growth hormone response to clonidine for major depression : A large scale multicenter study
Schittecatte, Michel; Charles, Gerard; Machowski, R. et al

in American Journal of Psychiatry (The) (1994)

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See detailGender and Diversity: the intersectionality and transversality stakes
Cornet, Annie ULg; Johnson

Conference (2010)

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See detailGender and leadership
Cornet, Annie ULg

Speech (2012)

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See detailGender and success in entrepreneurship research: A critical perspective
Chasserio, Stéphanie; Constantinidis, Christina ULg; Lee-Gosselin, Hélène et al

in 12th EURAM Annual Conference Proceedings (2012, June)

This paper aims to challenge the conventional definition of success in entrepreneurship. It pinpoints the inadequacy of its masculine gendered definition to take into account the vision of women ... [more ▼]

This paper aims to challenge the conventional definition of success in entrepreneurship. It pinpoints the inadequacy of its masculine gendered definition to take into account the vision of women entrepreneurs (WEs). It focuses on the concept of success and its various meanings for WEs. The paper is grounded in three qualitative studies on WEs undertaken in Quebec, France and Belgium, reaching 151 diverse entrepreneurs. The findings reveal that the commonly accepted definition and measure of entrepreneurial success, business growth and financial performance, is not adequate for most WE s. Broader visions of success and complex meanings exist among Wes; success is a multi-dimensional reality rather than a simple dominant goal: profits or growth. Our contribution is to challenge the relevance of traditional theoretical frameworks in entrepreneurship, and we plead for their widening, for women and men. We also propose a conceptual grid to reconsider success in entrepreneurship which could be exploited in other research. [less ▲]

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See detailGender budgeting
Cornet, Annie ULg; Cecchini, Isabelle ULg

Conference (2005, July)

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See detailGender budgeting : facteurs de succès et difficultés
Cornet, Annie ULg

Conference (2005, October)

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See detailGender dependent accumulation of dioxins in smokers
Fierens, S.; Eppe, Gauthier ULg; De Pauw, Edwin ULg et al

in Occupational and Environmental Medicine (2005), 62(1), 61-62

Aims: To evaluate the contribution of tobacco smoking to dioxin accumulation. Methods: Dioxin (17 PCDD/F) concentrations in fasting blood from 251 subjects ( 161 never smokers, 54 past smokers, and 36 ... [more ▼]

Aims: To evaluate the contribution of tobacco smoking to dioxin accumulation. Methods: Dioxin (17 PCDD/F) concentrations in fasting blood from 251 subjects ( 161 never smokers, 54 past smokers, and 36 current smokers) were quantified. Results: Whereas serum dioxin concentrations of male smokers were on average 40% higher than those of nonsmokers, in women, smoking was associated with significantly lower serum dioxin levels. A synergistic potentiation of dioxin metabolism by tobacco smoke in women is postulated to explain these paradoxical findings. Conclusions: Current smoking is associated with gender dependent effects on dioxin body burden and is a potential source of confounding in human studies using blood dioxins as indicators of exposure. [less ▲]

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See detailGender differences in skin aging and the changing profile of the sex hormones with age.
FARAGE, Miranda; MILLER, Kenneth W.; ZOUBOULIS, Christos C. et al

in Journal of Steroids and Hormonal Science (2012), 3(1000109),

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See detailGender differences in Variability and Extreme Scores
Baye, Ariane ULg; Lafontaine, Dominique ULg; Monseur, Christian ULg

Conference (2011, September 15)

This study examines academic gender differences in variance and at the extreme tails of score distributions in reading, mathematics and science. Ten databases from IEA and PISA were used to analyse such ... [more ▼]

This study examines academic gender differences in variance and at the extreme tails of score distributions in reading, mathematics and science. Ten databases from IEA and PISA were used to analyse such gender differences in an international perspective from 1995 to 2009. Differences in standard deviation, effect size and variance ratios were computed. The main results may be summarised as follows. The gender differences at the extreme tails of the distribution are often more substantial than the gender differences at the mean, which may suggest the need to rethink education policies for low-achieving boys in reading and for high-achieving girls in mathematics and science. The “greater male variability hypothesis” is confirmed, although our results suggest that this may depend on the test content, the study design and the computed statistics. [less ▲]

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See detailGender differences in Youths'political engagement and participation. The role of parents and adolescents'social and civic participation
Cicognani, Elvira; Zani, Bruna; Fournier, Bernard et al

in Human Affairs (2011)

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See detailGender differences in youths'political engagement and participation. The role of parents and of adolescents'social and civic participation
Cicognani, Elvira; Zani, Bruna; Fournier, Bernard ULg et al

in Journal of Adolescence (2012)

Detailed reference viewed: 47 (9 ULg)
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See detailgender equality post-separation in Contemporary Europe : The case of income
Bould, Sally; Schmaus, Gunther; Gavray, Claire ULg

in Addabbo, T.; Arrizabalaga, M.; Borderas, C. (Eds.) et al Home, Work and Family : Gender and Well-Being in Modern Europe (2009)

Detailed reference viewed: 13 (1 ULg)
See detailGender equality post-separation in Contemporary Europe: the case of income
Bould, S.; Schmaus, G.; Gavray, Claire ULg

in Addabbo, T.; Arrizabalaga, M.; Borderéas, C. (Eds.) et al Gender, Households and Work : The Production of Well-Being in Modern Europe (2010)

Detailed reference viewed: 19 (3 ULg)