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See detailLes premières élections sociales en 1903: une rupture historique
Scuto, Denis UL

Article for general public (2019)

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See detailPremières réflexions pour un droit décroissant : l’exemple du droit des contrats
Hiez, David UL

in Mélanges en l'honneur de Pascal Ancel (2021)

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See detailPremiers espaces de la cohomologie de l'algèbre de Lie graduée de Nijenhuis-Richardson de l'espace des fonctions d'une variété
Poncin, Norbert UL

in Bulletin of the Belgian Mathematical Society Simon Stevin (2001), 8(1), 141-146

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See detailPremiers pas dans le métier d'enseignant: quand la langue s'en mêle
de Saint-Georges, Ingrid UL

E-print/Working paper (2017)

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See detailPremise Independence in Judgment Aggregation
Pigozzi, Gabriella UL; van der Torre, Leon UL

in Formal Models of Belief Change in Rational Agents (2007)

Judgment aggregation studies how agent opinions on logically interconnected propositions can be mapped into a collective judgment on the same propositions, and is plagued by impossibility results. In this ... [more ▼]

Judgment aggregation studies how agent opinions on logically interconnected propositions can be mapped into a collective judgment on the same propositions, and is plagued by impossibility results. In this paper we study the central notion of independence in these impossibility results. First, we argue that the distinction between the premises and conclusions play an important role in the benchmark examples of judgment aggregation. Second, we consider the notion of independence in judgment aggregation frameworks, and we observe that the distinction between premises and conclusion is not taken into account. Third, based on our analysis, we introduce independence assumptions that distinguish premises from conclusion. We show that, by introducing new operators that satisfy our independence assumptions, the problematic impossibility results no longer hold. [less ▲]

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See detailPrenatal and childhood exposure to per-/polyfluoroalkyl substances (PFASs) and its associations with childhood overweight and/or obesity: a systematic review with meta- analyses
Frigerio, Gianfranco UL; Ferrari, Chiara Matilde; Fustinoni, Silvia

E-print/Working paper (2023)

Background. Per-/polyfluoroalkyl substances (PFASs) are persistent organic pollutants and suspected endocrine disrupters. Objective. The aim of this work was to conduct a systematic review with meta ... [more ▼]

Background. Per-/polyfluoroalkyl substances (PFASs) are persistent organic pollutants and suspected endocrine disrupters. Objective. The aim of this work was to conduct a systematic review with meta-analysis to summarise the associations between prenatal or childhood exposure to PFASs and childhood overweight/obesity. Methods. The search was performed on the bibliographic databases PubMed and Embase with text strings containing terms related to prenatal, childhood, overweight, obesity, and PFASs. Only papers describing a biomonitoring study in pregnant women or in children up to 18 years that assessed body mass index (BMI), waist circumference (WC), or fat mass in children were included. When the estimates of the association between a PFAS and an outcome were reported from at least 3 studies, a meta-analysis was conducted; moreover, to correctly compare the studies, we developed a method to convert the different effect estimates and made them comparable each other. Results. In total, 354 and 565 articles were retrieved from PubMed and Embase, respectively, resulting in a total of 613 articles after merging duplicates. The papers included in this systematic review were 31: 18 evaluating prenatal exposure to PFASs, 11 childhood exposure, and 2 both. Overall, results were conflicting, with positive, negative, and null associations. 17 papers were included in meta-analyses (12 prenatal, 3 children, and 2 both). The method implemented for data conversion allowed a suitable comparison of different effect estimates. Meta-analyses evaluating the associations between prenatal exposure to PFOA, PFOS, PFNA, PFHxS, and the outcomes BMI, WC, and Dual-Energy X-ray Absorptiometry (DXA) showed no significant results. Meta-analyses for the associations between childhood exposure to PFASs and the outcomes BMI showed no significant results except for a negative association between PFNA and BMI (pooled estimate from a random effect model: -0.045; 95%CI: -0.087, -0.002), however, more studies are required to confirm the strength of this association. Conclusion. To increase the reliability of meta-analyses in environmental epidemiology we suggest the conversion of effect estimates to compare different studies. The pooled evidence of the meta-analyses of the present study suggests that there is no overall association between exposure to PFASs and childhood overweight/obesity. [less ▲]

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See detailPrenatal Economic Shocks and Birth Outcomes in UK Cohort Data
Clark, Andrew; d'ambrosio, Conchita UL; Rohde, Nicholas

in Economics and Human Biology (2021), 41

We consider the effects of major prenatal economic shocks experienced by mothers on two indicators of newborn-infant health, birth weight and head circumference, using detailed microdata from the UK ... [more ▼]

We consider the effects of major prenatal economic shocks experienced by mothers on two indicators of newborn-infant health, birth weight and head circumference, using detailed microdata from the UK ALSPAC survey. Controlling for physiological and socioeconomic factors, an economic shock in the first 18 weeks of gestation lowers birth weight by 40-70 grams and head circumference by 2-3mm. We find evidence of transmission via poorer maternal health due to absolute material deprivation and tobacco and alcohol consumption, but not for the endocrinological effects of increased psychosocial anxiety. The fragile-male hypothesis holds for birth weight but not for head circumference, as predicted by recent theories on gender differences in prenatal development. [less ▲]

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See detailPrenatal exposure to endocrine disrupting chemicals is associated with altered DNA methylation in cord blood
Mattonet, Katharina; Nowack-Weyers, Nikola; Vogel, Vanessa et al

in Epigenetics (2022), 17(9), 935-952

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See detailPrenatal exposure to maternal psychosocial stress and HPA axis regulation in young adults
Entringer, S.; Kumsta, Robert UL; Hellhammer, D. H. et al

in Hormones and Behavior (2009), 55(2), 292-298

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See detailPrenatal maternal stress and child developmental outcome: Implications for health care provision?
Pit-Ten Cate, Ineke UL

in Developmental Medicine and Child Neurology (2014), 56(3), 204-205

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See detailPrenatal psychosocial stress exposure is associated with insulin resistance in young adults
Entringer, S.; Wüst, S.; Kumsta, Robert UL et al

in American Journal of Obstetrics and Gynecology (2008), 199(5), 4981-4987

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See detailPrenatal Psychosocial Stress Exposure Is Associated With Subsequent Working Memory Performance in Young Women
Entringer, S.; Buss, C.; Kumsta, Robert UL et al

in Behavioral Neuroscience (2009), 123(4), 886-893

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See detailPrendre la compétitivité au sérieux ?
Sneessens, Henri UL

Conference given outside the academic context (2015)

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See detailPrendre soin d'une victime d'AVC : réactions des aidants familiaux femmes et hommes
Bucki, Barbara UL

in Legrand, Monique; Voléry, Ingrid (Eds.) Genre et parcours de vie (2013)

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See detailPrendre soin des personnes après AVC : réactions émotionnelles des aidants informels hommes et femmes.
Bucki, Barbara UL; Baumann, Michèle UL

in Santé Publique: Revue Multidisciplinaire pour la Recherche et l'Action (2012), 24(2), 143-156

The objective of this study was to assess the emotional response to caregiving among stroke caregivers living in Luxembourg, and to assess the social and psychological impact of strokes on households, two ... [more ▼]

The objective of this study was to assess the emotional response to caregiving among stroke caregivers living in Luxembourg, and to assess the social and psychological impact of strokes on households, two years after the event. Questionnaires were administered to 62 patient (64.4 years old)/caregiver (59.3 years old) dyads. The survey focused on: 1) residual impairments, based on the American Heart Association Stroke Outcome Classification; 2) the Caregiver Reaction Assessment (CRA – 24 items – 5 dimensions); and 3) changes in the division of household tasks (seven items). Although male and female caregivers care for patients with similar residual impairments, the study found that female caregivers were more likely to be affected by the impact of caregiving on their health and schedule and by lack of family support. Women were more likely to feel “tired all the time” (50% vs. 12.5%), to struggle to “find time to relax” (35.7% vs. 6.3%) and to feel that “others dumped caring onto them” (35.7% vs. 11.8%). Since the onset of stroke, women had also taken on more responsibilities in the household (37.5% vs. 5.9%), while men were more likely to “enjoy caring” for patients (93.8% vs. 67.9%) and to have become more involved in organizing holidays (29% vs. 5.6%) and seeing friends (20.6% vs. 10.5%). Because of the high level of exhaustion, particularly among women, caregivers are a high-risk population for the healthcare system. Interventions such as trialogue and counseling are required to meet the needs of male and female caregivers. [less ▲]

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See detailPreparation and study of 2-D semiconductors with Dirac type bands due to the honeycomb nanogeometry
Kalesaki, Efterpi UL; Boneschanscher, M. P.; Geuchies, J. J. et al

in Proceedings of SPIE (2014, March 07), 8981

The interest in 2-dimensional systems with a honeycomb lattice and related Dirac-­type electronic bands has exceeded the prototype graphene [1]. Currently, 2-­dimensional atomic [2,3] and nanoscale [4-­8 ... [more ▼]

The interest in 2-dimensional systems with a honeycomb lattice and related Dirac-­type electronic bands has exceeded the prototype graphene [1]. Currently, 2-­dimensional atomic [2,3] and nanoscale [4-­8] systems are extensively investigated in the search for materials with novel electronic properties that can be tailored by geometry. The immediate question that arises is how to fabricate 2-­D semiconductors that have a honeycomb nanogeometry, and as a consequence of that, display a Dirac-­type band structure? Here, we show that atomically coherent honeycomb superlattices of rocksalt (PbSe, PbTe) and zincblende (CdSe, CdTe) semiconductors can be obtained by nanocrystal self-­assembly and facet-­to-­facet atomic bonding, and subsequent cation exchange. We present a extended structural analysis of atomically coherent 2-­D honeycomb structures that were recently obtained with self-assembly and facet-­to-­facet bonding [9]. We show that this process may in principle lead to three different types of honeycomb structures, one with a graphene type-­, and two others with a silicene-­type structure. Using TEM, electron diffraction, STM and GISAXS it is convincingly shown that the structures are from the silicene-­type. In the second part of this work, we describe the electronic structure of graphene-­type and silicene type honeycomb semiconductors. We present the results of advanced electronic structure calculations using the sp3d5s* atomistic tight-­binding method10. For simplicity, we focus on semiconductors with a simple and single conduction band for the native bulk semiconductor. When the 3-­D geometry is changed into 2-­D honeycomb, a conduction band structure transformation to two types of Dirac cones, one for S-­ and one for P-­orbitals, is observed. The width of the bands depends on the honeycomb period and the coupling between the nanocrystals. Furthermore, there is a dispersionless P-­orbital band, which also forms a landmark of the honeycomb structure. The effects of considerable intrinsic spin-­orbit coupling are briefly considered. For heavy-­element compounds such as CdTe, strong intrinsic spin-­‐orbit coupling opens a non-­trivial gap at the P-orbital Dirac point, leading to a quantum Spin Hall effect [10-­12]. Our work shows that well known semiconductor crystals, known for centuries, can lead to systems with entirely new electronic properties, by the simple action of nanogeometry. It can be foreseen that such structures will play a key role in future opto-­electronic applications, provided that they can be fabricated in a straightforward way. [less ▲]

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See detailPREPARATION FOR AGE-RELATED CHANGES-CROSS CULTURAL DIFFERENCES AND DETERMINANTS
Kornadt, Anna Elena UL; Voss, Peggy; Rothermund, Klaus

in GERONTOLOGIST (2016), 56(3), 657-657

Detailed reference viewed: 49 (0 UL)