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See detail"Daqqat al-bashāʾir": réjouissances populaires à l'époque mamelouke
Bauden, Frédéric ULg

Scientific conference (2015, March 30)

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See detailDarbepoetin-alfa and intravenous iron administration after autologous hematopoietic stem cell transplantation : A prospective multicenter randomized trial
BEGUIN, Yves ULg; Maertens, Johan; DE PRIJCK, Bernard ULg et al

in American Journal of Hematology (2013), 88

We conducted a randomized study analyzing the impact of darbepoetin alfa (DA) administration with or without intravenous (i.v.) iron on erythroid recovery after autologous hematopoietic cell ... [more ▼]

We conducted a randomized study analyzing the impact of darbepoetin alfa (DA) administration with or without intravenous (i.v.) iron on erythroid recovery after autologous hematopoietic cell transplantation (HCT). Patients were randomized between no DA (Arm 1), DA 300 lg every 2 weeks starting on Day 28 after HCT (Arm 2), or DA plus i.v. iron 200 mg on Days 28, 42, and 56 (Arm 3). The proportion achieving complete hemoglobin (Hb) response within 18 weeks (primary end point) was 21% in Arm 1 (n524), 79% in Arm 2 (n525), and 100% in Arm 3 (n523; P < 0.0001). Erythropoietic response was shown to be significantly higher in Arm 3 (n546) than in Arm 2 (n550; P50.008), resulting in lower DA use, reduced drug costs, and improved quality of life scores, but the effect on transfusions was not significant. In multivariate analysis, DA administration (P< 0.0001), i.v. iron administration (P50.0010), high baseline Hb (P< 0.0001), and low baseline creatinine (P50.0458) were independently associated with faster achievement of complete Hb response. In conclusion, DA is highly effective to ensure full erythroid reconstitution after autologous HCT when started on Day 28 post-transplant. I.v. iron sucrose further improves erythroid recovery. [less ▲]

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See detail“Dare to save a life at school”: implementation of a basic life support cycle in the PE curriculum
Mouton, Alexandre ULg; Laurent, Charlotte; Collin, Manon ULg et al

Conference (2016, June 10)

Introduction In Europe, about 400,000 people have a sudden cardiac arrest every year, with a survival rate of 5-10% (ERC, 2015). Bystander cardiopulmonary resuscitation (CPR) could increase this survival ... [more ▼]

Introduction In Europe, about 400,000 people have a sudden cardiac arrest every year, with a survival rate of 5-10% (ERC, 2015). Bystander cardiopulmonary resuscitation (CPR) could increase this survival rate by 2-3 times. Unfortunately, less than 20% of the general population is able to perform it effectively (Plant & Taylor, 2013). Besides, most of the public facilities are now equipped with automated external defibrillators (AEDs). In a physical literacy perspective (Whitehead, 2013), PE teachers are ideally placed to teach basic life support (BLS) to their students (Colquhoun, 2012). Methods In this pilot study, a female PE teacher was trained to a BLS cycle adapted to the PE curriculum. The BLS cycle, including 6 sessions of PE, was developed in a participatory approach by a team of BLS specialists, PE teacher educators and by the PE teacher herself. During this BLS cycle, students learned the CPR & AED protocols, taught by different teaching styles (practice, reciprocal, self-check) with hands-on application on training manikin and AED. A process analysis was performed from the video recording of the sessions and from satisfactory questionnaires. Students’ knowledge of the BLS protocol was assessed by a 14 open-ended questionnaire at baseline (T0) and after the intervention (T1). Practical application of the BLS protocol was assessed on a manikin measuring CPR performance at T1. Results and conclusions The BLS program was taught to two classes of high school female students (n=52), aged 17.1 ± 0.3 years. At T0, if students were mostly aware of the emergency number (71.4%), very few were able to localise the chest compression (14.3%) and AEDs’ electrodes (2%) areas. Most of them did not feel able to perform BLS (89.8%) and would agree to learn it during PE lessons (97.9%). Results at T1 are expected to highlight improvements of the theoretical and practical BLS’ competencies of the students. [less ▲]

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See detailDariah BE. Les contributions in kind de la Fédération Wallonie-Bruxelles
Dozo, Björn-Olav ULg; Bertrand, Paul

Scientific conference (2014, November 13)

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See detailDARIAH-BE: Towards an ecosystem of Digital Humanities Research Centres in Belgium
Chambers, Sally; Deroo, Katrien; Dozo, Björn-Olav ULg et al

Conference (2016, December 08)

Digital Humanities is flourishing in Belgium. There are Virtual Research Environments (VRE) for studying transnational intellectual collaborations in the area of social reform and the political and social ... [more ▼]

Digital Humanities is flourishing in Belgium. There are Virtual Research Environments (VRE) for studying transnational intellectual collaborations in the area of social reform and the political and social history of the Belgian justice system. Tools being developed to digitally uncover the genetics of manuscripts or create a linked data structure to map networks across the ancient world. Furthermore, Electronic Literature across Europe is being mapped and video games are being studied using humanities research methods. The digitisation of artistic, historic and scientific collections is also a key priority in Belgium. With the Belgian Art Links and Tools platform, BALaT, the development of a Data Hub for Museums and Belgium’s digitised newspapers in Belgica Press being flagship examples. Alongside this rich tapestry of activities, Belgium is a Founding Member of DARIAH-EU, the Digital Research Infrastructure for the Arts and Humanities. The aim of DARIAH in Belgium is to develop and offer a sustainable portfolio of services enabling digital scholarship in the arts and humanities in Belgium and beyond. To realise this, partner institutions within Belgium are in the process of establishing Digital Humanities Research Centres which together will form a humanities-specific digital ecosystem, offering services both within their own institutions and to other institutions in Belgium. Additionally, selected services will be scaled-up for use within the European DARIAH community, and offered as in-kind contributions to DARIAH-EU. In this paper we will explore both the intra- and inter-institutional context of digital humanities centres in Belgium. Starting at the intra-institutional level, we will introduce two existing digital humanities research centres: the Centre Informatique de Philosophie et Lettres (CIPL, Université de Liège) in the French-speaking part of Belgium and the Ghent Centre for Digital Humanities (GhentCDH, Ghent University) in the Dutch-speaking part of Belgium. We will examine both the organisational goals of these centres and how they support digital humanities research within the university, with a particular focus on the collaborations they set up on an institutional level (for example with IT services and the library as well as between research groups). Furthermore, we compare these existing centres, with the newest digital humanities centre in Belgium, the Leuven Centre for Digital Humanities (LCDH) which is currently in the process of being established in the Dutch-speaking university and DARIAH partner institution, KU Leuven. Finally, we will analyse the opportunities and challenges in the inter-institutional context. While challenges such as the complex funding landscape and multilingual research environment should not be underestimated, there are many opportunities that can be celebrated. For example, collaborative training initiatives, such as Research Community Digital Humanities Flanders, which is open to members beyond Flanders, the annual DH Benelux conference which offers a platform for collaboration between digital humanities projects in Belgium, the Netherlands and Luxembourg and joint-funding opportunities such as the Belgian Research Action through Interdisciplinary Networks (BRAIN) programme. Additionally, activities for participation in DARIAH-EU, including preparing Belgian in-kind contributions and establishing DARIAH Working Groups not only addresses these challenges, but contributes to ensuring that digital humanities activities in Belgium thrive. [less ▲]

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See detailDark anti atoms can explain DAMA
Wallemacq, Quentin ULg; Cudell, Jean-René ULg

in Journal of Cosmology and Astroparticle Physics (2015)

We show that the existence of a sub-dominant form of dark matter, made of dark 'antiatoms' of a mass of 1 TeV and a size of 30 fm, can explain the results of direct detection experiments, with a positive ... [more ▼]

We show that the existence of a sub-dominant form of dark matter, made of dark 'antiatoms' of a mass of 1 TeV and a size of 30 fm, can explain the results of direct detection experiments, with a positive signal in DAMA/NaI and DAMA/LIBRA and no signal in other experiments. The signal comes from the binding of the dark anti-atoms to thallium, a dopant in DAMA, and is not present for the constituent atoms of other experiments. The dark anti-atoms are made of two particles oppositely charged under a dark U(1) symmetry and can bind to terrestrial atoms because of a kinetic mixing between the photon and the massless dark photon, such that the dark particles acquire an electric milli-charge of ± 5.10(−)(4)e. This millicharge enables them to bind to high-Z atoms via radiative capture, after they thermalize in terrestrial matter through elastic collisions. [less ▲]

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See detailDark anti-atoms
Wallemacq, Quentin ULg

Conference (2015, May 13)

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See detailDark anti-atoms
Wallemacq, Quentin ULg

Conference (2014, November 19)

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See detailDark atoms : properties and observational consequences
Wallemacq, Quentin ULg

Master's dissertation (2011)

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See detailDark Atoms and Dark Radiation
Khlopov, Maxim; Belotsky, Konstantin; Cudell, Jean-René ULg et al

Book published by Hindawi Publishing Corporation (2014)

We have invited investigators to contribute original research and review articles that seek to define the possible physical nature of composite dark matter and its constituents, to stimulate the ... [more ▼]

We have invited investigators to contribute original research and review articles that seek to define the possible physical nature of composite dark matter and its constituents, to stimulate the experimental searches and to suggest astrophysical tests for their effects. The collected papers in this special issue represent only a first small step in the approach to the thorough investigation of the topic of dark atoms and dark radiation, demonstrating the wide but far from complete variety of possible aspects of this problem. [less ▲]

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See detailDark atoms and the positron-annihilation-line excess in the galactic bulge
Cudell, Jean-René ULg; Khlopov, Maxim; Wallemacq, Quentin ULg

in Advances in High Energy Physics (2014), 2014

It was recently proposed that stable particles of charge -2, O^{--}, can exist and constitute dark matter after they bind with primordial helium in O-helium (OHe) atoms. We study here in details the ... [more ▼]

It was recently proposed that stable particles of charge -2, O^{--}, can exist and constitute dark matter after they bind with primordial helium in O-helium (OHe) atoms. We study here in details the possibility that this model provides an explanation for the excess of gamma radiation in the positron-annihilation line from the galactic bulge observed by INTEGRAL. This explanation assumes that OHe, excited to a 2s state through collisions in the central part of the Galaxy, de-excites to its ground state via an E0 transition, emitting an electron-positron pair. The cross section for OHe collisions with excitation to 2s level is calculated and it is shown that the rate of such excitations in the galactic bulge strongly depends not only on the mass of O-helium, which is determined by the mass of O^{--}, but also on the density and velocity distribution of dark matter. Given the astrophysical uncertainties on these distributions, this mechanism constrains the O^{--} mass to lie in two possible regions. One of these is reachable in the experimental searches for stable multicharged particles at the LHC. [less ▲]

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See detailDark atoms with nuclear shell: a status review
Cudell, Jean-René ULg; Khlopov, Maxim

in International Journal of Modern Physics D : Gravitation, Astrophysics & Cosmology (2015), D24(13), 1545007

Among dark atom scenarios, the simplest and most predictive one is that of O-helium (OHe) dark atoms, in which a lepton-like doubly charged particle O$^{--}$ is bound to a primordial helium nucleus, and ... [more ▼]

Among dark atom scenarios, the simplest and most predictive one is that of O-helium (OHe) dark atoms, in which a lepton-like doubly charged particle O$^{--}$ is bound to a primordial helium nucleus, and is the main constituent of dark matter. The OHe cosmology has several successes: it leads to a Warmer-than-Cold-dark-matter scenario for Large-Scale-Structure formation, it can provide an explanation for the excess in positron annihilation line in the galactic bulge and it may explain the results of direct dark-matter searches. This model liberates the physics of dark atoms from many unknown features of new physics, but it is still not free from astrophysical uncertainties. It also demands a deeper understanding of the details of known nuclear and atomic physics, which are still somewhat unclear in the case of nuclear interacting ``atomic'' shells. These potential problems of the O-helium scenario are also discussed. [less ▲]

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See detailDark matter and LHC phenomenology in a left-right supersymmetric model
Esteves, J. N.; Romao, J. C.; M., Hirsch et al

in Journal of High Energy Physics [=JHEP] (2012), 1201

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See detailThe dark matter content of galaxies probed with gravitational lensing
Sluse, Dominique ULg

Conference (2014, January 30)

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See detailDark Matter in a SUSY Left-Right Model
Vicente, Avelino ULg

in Journal of Physics: Conference Series (2012), 375

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See detailDark matter in a SUSY left-right theory
Vicente, Avelino ULg

Poster (2011)

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See detailDark matter, édité -- J. Audouze et J. Tran Thanh Van
Manfroid, Jean ULg

in Ciel et Terre (1989), 105

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See detailThe Dark Side of Customer Participation: The Antecedents of Customer Participation Stress
Treger, Stephanie; Büttgen, Marion; Schumann, Jan Hendrik et al

Conference (2016, May)

Detailed reference viewed: 59 (1 ULg)
See detailThe dark side of the black caiman: spatial and temporal trophic niche variations
Caut, Stéphane; Bacques, Mathieu; François, Vincent et al

Poster (2016, April 05)

A floating scientific platform was built in the Kaw marshes (French Guiana) to study this unique and still unknown ecosystem. Preliminary research has shown this pond is seasonally colonized by a large ... [more ▼]

A floating scientific platform was built in the Kaw marshes (French Guiana) to study this unique and still unknown ecosystem. Preliminary research has shown this pond is seasonally colonized by a large population of black caimans and represents the most important breeding site for many rare bird species. At the top of the food web, the black caiman is the largest neotropical predator and a particularly threatened crocodilian species, which implies that they have a major structuring role within the swamp ecosystem. Our preliminary study during the dry and wet season revealed important seasonal variations in the structure of the Agami pond population and the temporal presence of large caimans during the wet season (rarely observed in the Kaw marshes). Thus, coupling isotopic analysis (controlled diet and field studies) and different monitoring approaches (behavioral, microchip marking and satellite Argos tracking), we aim to conduct a detailed study of the Agami pond black caiman population: (i) to study the structure of the population and its variation over time, (ii) to estimate the intra- and inter-annual movements of individual caimans and identify potential feeding, reproductive and nesting areas in the Kaw marsh and (iii) to estimate this top predator’s role on the marsh’s ecological functioning and survival throughout the year. For this purpose, we will compare different field periods during the wet and dry seasons characterized by different hydrological and ecological patterns. This new information will help predict species response to disturbance, which is a prerequisite to effective conservation plan management involving local people and wildlife administrations. Finally, by coupling Argos tracking and stable isotopes, we will collect significant and valuable data for future applications at a global scale. [less ▲]

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See detailDark Vador
Dozo, Björn-Olav ULg

Conference given outside the academic context (2015)

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