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See detailThe Calern Asteroid Polarimetric Survey using the Torino Polarimeter: assessment of instrument performances and first scientific results
Devogele, Maxime ULg; Cellino, Alberto; Bagnulo, Stefano et al

in Monthly Notices of the Royal Astronomical Society (2016)

A new polarimeter based on the Wedged double Wollaston concept has been built at the Torino Observatory and installed on a 1-meter telescope at the Calern observing station of the ``Observatoire de la C ... [more ▼]

A new polarimeter based on the Wedged double Wollaston concept has been built at the Torino Observatory and installed on a 1-meter telescope at the Calern observing station of the ``Observatoire de la C{\^o}te d'Azur''. Its main purpose is to carry out a polarimetric survey of Solar System objects. This survey is called CAPS (Calern Asteroid Polarimetric Survey). In this paper, the new Torino polarimeter (ToPo) and its preliminary validation campaign is described. The first results of the CAPS survey are also presented. A number of standard stars with known polarization states, as well as a number of asteroids for which the polarimetric properties are known, have been observed in order to assess the instrument accuracy. The instrument response over the field of view and also its stability over single nights and longer periods have also been tested. It has been found that the instrument polarization is stable within a few $10^{-4}$ units. The first polarimetric observations of a still limited number of asteroids show an excellent agreement with previously available data and make already some significant contributions by adding new data to a number of objects that had been poorly observed so far. [less ▲]

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See detailFarmers’ Perception and Willingness to Pay for Climate Information in Burkina Faso
Zongo, Bétéo ULg; Diarra, Abdoulaye; Barbier, Bruno et al

in Journal of Agricultural Science (2016), 8

This study highlights the perception and the option value of climate information in the sahelian and sudano-sahelian agro-climatic zones of Burkina Faso. From the sampled farmers only 21.78% have access ... [more ▼]

This study highlights the perception and the option value of climate information in the sahelian and sudano-sahelian agro-climatic zones of Burkina Faso. From the sampled farmers only 21.78% have access to climate information, while 93% of them need climate information to guide through their decision in planning agricultural activities. Option value shows the interest granted by farmers using climate information. About 64% of the farmers are willing to pay an average of Francs CFA 546.34 to obtain climate information. The willingness to pay is determined by the the farmers’ ability to predict the climate, to use radio as a means of information, farmers’ awareness of previous forecasts and early onset of rainy season. While farmers considered benefits from the use of climate information, it is clear that its contribution to farm income remains a field of research to explore. Thus it is necessary to experiment with individual farms and to evaluate the contribution of climate information to the value added in different crops and farmers’ income. [less ▲]

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See detailHow climate extremes are affecting the movement of populations in the Asia Pacific region
Gemenne, François ULg; Blocher, Julia ULg; De Longueville, Florence ULg et al

in Price, Susanna; Singer, Jane (Eds.) Global Implications of Development, Disasters and Climate Change: Responses to Displacement from Asia Pacific (2016)

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See detailL'impôt sur les revenus des salariés et l'extranéité (2e partie)
Docclo, Caroline ULg

in Journal des Tribunaux du Travail (2016)

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See detailPathologie du muscle - Anamnèse - Clinique - Imagerie
Kaux, Jean-François ULg

Learning material (2016)

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See detailPersistent low levels of serum hCG due to heterophilic mouse antibodies: an unrecognized pitfall in the diagnosis of trophoblastic disease.
Gonzalez Aguilera, B.; Syrios, P.; Gadisseur, R et al

in Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology (2016)

Phantom hCG refers to persistent mild elevations of hCG, leading physicians to unnecessary treatments whereas neither a true hCG nor a trophoblastic disease is present. We report the case of a 23-year-old ... [more ▼]

Phantom hCG refers to persistent mild elevations of hCG, leading physicians to unnecessary treatments whereas neither a true hCG nor a trophoblastic disease is present. We report the case of a 23-year-old woman with persistent low levels of serum hCG detected one month after miscarriage. As choriocarcinoma was suspected, a chemotherapy trial of methotrexate was prescribed, without any hCG reduction. Subsequently, laparoscopy ruled out a trophoblastic residue and the patient was referred to the Endocrine Unit for further investigations. While low levels of hCG were still detected in serum, no hCG was detected in the urine. In addition, when serum was processed in a HBT tube for revealing heterophilic antibodies, hCG was no longer detected. Such finding indicated the presence of phantom hCG due to heterophilic mouse antibodies interaction. This case raises the need of clinico-biological discussion to avoid inappropriate therapeutic decisions. Based on this case experience and after review of the literature, we suggest that current gynecological protocols for the diagnosis and treatment of trophoblastic disease should consider the inclusion of urinary hCG and/or a test for serum heterophilic antibodies when appropriate. [less ▲]

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See detailInvestigation on possible transmission of monkeys' Plasmodium to human in a populations living in the equatorial rainforest of the Democratic republic of Congo
MVUMBI, Dieudonné; BOBANGA, Thierry; UMESUMBU, Solange et al

in International Journal for Parasitology: parasites and wild life (2016), 5

Plasmodiums are protozoa that may infect various hosts. Only five species are now recognized as naturally parasitizing humans: Plasmodium falciparum, Plasmodium vivax, Plasmodium malariae, Plasmodium ... [more ▼]

Plasmodiums are protozoa that may infect various hosts. Only five species are now recognized as naturally parasitizing humans: Plasmodium falciparum, Plasmodium vivax, Plasmodium malariae, Plasmodium ovale and Plasmodium knowlesi. This fifth species, P. knowlesi, previously identified as naturally parasitizing the monkey Macaca fascicularis, has been microscopically confused for a long time with P. malariae or P. falciparum and it was not possible to correctly differentiate them until the advent of molecular biology. To date, natural human infections with P. knowlesi only occur in Southeast Asia and a similar phenomenon of natural transmission of simian plasmodium to humans has not been reported elsewhere. This study was conducted to investigate a possible transmission of African small monkey's plasmodium to humans in populations living near the rainforest of the Democratic Republic of Congo (DRC) where several species of non-human primates are living. Two successive real-time PCRs were identified in the literature and used in combination for purpose. Only P. falciparum was found in this study. However, studies with larger samples and with more advanced techniques should be conducted. [less ▲]

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See detailBarley (Hordeum distichon L.) roots synthesise volatile aldehydes with a strong age-dependent pattern and release (E)- non-2-enal and (E,Z)-nona-2,6-dienal after mechanical injury
Delory, Benjamin M.; Delaplace, Pierre ULg; du Jardin, Patrick ULg et al

in Plant Physiology and Biochemistry (2016), 104

In the context of chemical ecology, the analysis of the temporal production pattern of volatile organic compounds (VOCs) in root tissues and the emission rate measurement of root-emitted VOCs are of major ... [more ▼]

In the context of chemical ecology, the analysis of the temporal production pattern of volatile organic compounds (VOCs) in root tissues and the emission rate measurement of root-emitted VOCs are of major importance for setting up experiments to study the implication of these compounds in biotic interactions. Such analyses, however, remain challenging because of the belowground location of plant root systems. In this context, this study describes the evolution of the root VOC production pattern of barley (Hordeum distichon L.) at five developmental stages from germination to the end of tillering and evaluates the emission of the identified VOCs in an artificial soil. VOCs produced by crushed root tissues and released by unexcavated root systems were analysed using dynamic sampling devices coupled to a gas chromatography-mass spectrometry methodology (synchronous SCAN/SIM). The results showed that, at each analysed developmental stage, crushed barley roots produced mainly four volatile aldehydes: hexanal; (E)-hex-2-enal; (E)-non-2-enal; and (E,Z)-nona-2,6-dienal. Higher total and individual VOC concentrations were measured in 3-day-old seminal roots compared with older phenological stages. For each developmental stage, the lipoxygenase (LOX) activity was greater for linoleic acid than α-linolenic acid and the greatest LOX activities using linoleic and α- linolenic acids as substrates were measured in 7- and 3-day-old roots, respectively. The analysis of VOCs released by barley roots into the soil showed that (E)-non-2- enal and (E,Z)-nona-2,6-dienal were the only VOCs emitted in quantifiable amounts by mechanically injured roots. [less ▲]

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See detailRotation of melting ice disks due to melt fluid flow
Dorbolo, Stéphane ULg; adami, nicolas; Dubois, Charles ULg et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2016)

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See detailFossil Biogeography: A new model to infer dispersal, extinction and sampling from paleontological data
Silvestro, Daniele; Zizka, Alexander; Bacon, Christine D. et al

in Philosophical Transactions : Biological Sciences (2016)

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See detailCitizen Science in Vlaanderen: U telt mee?!
Hens, Niel; Huyse, Tine; Samaey, Giovanni et al

Article for general public (2016)

This position paper seeks to raise further awareness of the topic of Citizen Science (CS) amongst researchers and broader publics in Flanders. The memorandum clarifies the concept of CS and situates it ... [more ▼]

This position paper seeks to raise further awareness of the topic of Citizen Science (CS) amongst researchers and broader publics in Flanders. The memorandum clarifies the concept of CS and situates it within its historical and contemporary contexts. It also reflects on the potential for involving the broader community in science, while providing examples of situations and areas in which involvement of this kind is already taking place in Flanders. Based on a survey that questioned Flemish researchers on CS, the memorandum contains four recommendations for the governing bodies of universities, academic stakeholders and scientists and scholars specifically. Finally, this position paper offers a series of tips and tricks, along with testimonies for researches who would like to start working in the CS field. [less ▲]

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See detailBlowing a liquid curtain
Lhuissier, Henri; Brunet, Philippe; Dorbolo, Stéphane ULg

in Journal of Fluid Mechanics (2016), 795

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See detailProcrastination, consideration of future consequences, and episodic future thinking
Rebetez, Marie My Lien; Barsics, Catherine ULg; Rochat, Lucien et al

in Consciousness & Cognition (2016), 42

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See detailChapter 35: Immune Reconstitution and Tolerance
Belle, Ludovic ULg; Drobyski, William R.

in Abutalib, Syed; Parameswaran, Hari (Eds.) Clinical Manual of Blood and Bone Marrow Transplantation (2016)

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See detailL'accompagnement des enfants souffrant d'un trouble du spectre autistique: Les réponses des centres de rééducation ambulatoire
Garcet, Serge ULg; Di Croce, Maria; Moyaerts, Danielle et al

in Dalla Piazza, Serge; Garcet, Marc (Eds.) Entre Physis et Nomos Pour vivre ensemble, nouvelles pratiques. (2016)

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See detailEthos y postura de Nellie Campobello
Vanden Berghe, Kristine ULg

in Cantú, Roberto (Ed.) Equestrian Rebels. Essays on Mariano Azuela and the Novel of the Mexican Revolution (2016)

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