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See detailProduction of New Cotton Interspecific Hybrids with Enhanced Fiber Fineness
Nacoulima, L.N.; Diouf, F.H.; Konan, N.O. et al

in Journal of Agricultural Science (2016), 8(2), 46-56

To improve cotton fiber fineness, the (Gossypium hirsutum L. × Gossypium longicalyx Hutch. & Lee)² allohexaploid and the [(Gossypium hirsutum L. × Gossypium thurberi To d . ) ² × G. longicalyx ... [more ▼]

To improve cotton fiber fineness, the (Gossypium hirsutum L. × Gossypium longicalyx Hutch. & Lee)² allohexaploid and the [(Gossypium hirsutum L. × Gossypium thurberi To d . ) ² × G. longicalyx] allotetraploid were backcrossed to G. hirsutum to produce introgressed genetic stocks. The ribbon width (RW) of 600 swelled fibers produced by the hybrids, their parents, and their backcross progeny were analyzed for each compared genotype using an optical microscope. The RWs varied between 6.41±2.15 µm for G. longicalyx to 17.45±2.98 µm for the G. hirsutum parent cultivar C2. Fibers produced by the trispecific hybrids and their progeny were finer than the bispecific hybrid material. For the introgressed stocks, the lowest RWs were observed for the trispecific hybrid (10.79±2.14 µm) and certain backcross progenies (between 11.98±1.27 µm to 12.71±1.61 µm). The allohexaploid RW was 13.58±1.41 µm. One of its tetraploid progeny produced approximately the same value (13.94±2.48 µm). These results show that G. longicalyx is a potential genetic stock for cotton fiber fineness improvement. The genetic stocks produced are valuable materials for improve the fineness of cotton fiber. [less ▲]

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See detail"Des Heilands schwarzes Haupt im Dornenstrauch". Celan-Stilisierung und Autorinszenierung in Jean Daives Erzählung "Sous la coupole"
Viehöver, Vera ULg

in Shchyhlevska, Natalia; Waldschmidt, Christine (Eds.) Celan-Referenzen: Prozesse einer Traditionsbildung in der Moderne (2016)

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See detailSupplementation of transport and freezing media with anti-apoptotic drugs improves ovarian cortex survival
HENRY, Laurie ULg; Fransolet, Maïté ULg; LABIED, Soraya ULg et al

in Journal of Ovarian Research (2016)

Background: Ovarian tissue preservation is proposed to patients at risk of premature ovarian failure, but this procedure still needs to be optimized. To limit injury during ovarian tissue cryopreservation ... [more ▼]

Background: Ovarian tissue preservation is proposed to patients at risk of premature ovarian failure, but this procedure still needs to be optimized. To limit injury during ovarian tissue cryopreservation, anti-apoptotic drugs were added to the transport and freezing media of ovarian cortex tissue. Methods: Sheep ovaries were transported, prepared and frozen in solutions containing vehicle or anti-apoptotic drugs (Z-VAD-FMK, a pan-caspase inhibitor, or sphingosine-1-phosphate (S1P), a bioactive lipid). After the tissue was thawed, the ovarian cortex was cultured for 2 or 6 days. Follicular quantification and morphological and proliferation analyses were performed on histological sections. Results: After 2 days of culture, S1P improved the quality of primordial follicles; higher densities of morphologically normal and proliferative primordial follicles were found. Z-VAD-FMK displayed similar effects by preserving global primordial follicular density, but this effect was evident after 6 days of culture. This drug also improved cell proliferation after 2 and 6 days of culture. Conclusions: Our results showed that the addition of S1P or Z-VAD-FMK to the transport and freezing media prior to ovarian tissue cryopreservation improves primordial follicular quality and therefore improves global tissue survival. This should ultimately lead to improved fertility restoration after auto-transplantation. [less ▲]

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See detailRole of the Retinoblastoma protein, Rb, during adult neurogenesis in the olfactory bulb
Naser, Rayan; Vandenbosch, Renaud ULg; Omais, Saad et al

in Scientific Reports (2016)

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See detailDe l'obscurité comme censure. Proust, Muhlfeld, Mallarmé
Durand, Pascal ULg

in Leclerc, Yvan; Macé, Laurence; Poulouin, Claudine (Eds.) Censure et Critique (2016)

Proust’s paper « Contre l’obscurité » [“Against Obscurity”], published in 1896 by La Revue blanche, has been paid back with to rather rough answers : Lucien Muhlfeld’s paper « Sur la clarté » [“About ... [more ▼]

Proust’s paper « Contre l’obscurité » [“Against Obscurity”], published in 1896 by La Revue blanche, has been paid back with to rather rough answers : Lucien Muhlfeld’s paper « Sur la clarté » [“About Clarity”] and « Le Mystère dans les Lettres » by Mallarmé. One of the very few polemical texts of the poet, the latter paper deals with mechanisms of poetical meaning and reciprocal adjustment of both the literary text and his reader. Three kinds of censorship are at stake here. Censorship by the obscurity (Proust). Censorship of the obscurity (Muhlfeld). Censorship with and for the sake of obscurity (Mallarmé). The whole controversy being placed under the very sign of reading and critical evaluation. [less ▲]

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See detailDecitabine improves progression-free survival in older high-risk MDS patients with multiple autosomal monosomies: results of a subgroup analysis of the randomized phase III study 06011 of the EORTC Leukemia Cooperative Group and German MDS Study Group
Lübbert, Michael; Suciu, Stefan; Hagemeijer, Anne et al

in Annals of Hematology (2016), 95

In a study of elderly AML patients treated with the hypomethylating agent decitabine (DAC), we noted a surprisingly favorable outcome in the (usually very unfavorable) subgroup with two or more autosomal ... [more ▼]

In a study of elderly AML patients treated with the hypomethylating agent decitabine (DAC), we noted a surprisingly favorable outcome in the (usually very unfavorable) subgroup with two or more autosomal monosomies (MK2+) within a complex karyotype (Lübbert et al., Haematologica 97:393-401, 2012). We now analyzed 206 myelodysplastic syndrome (MDS) patients (88 % of 233 patients randomized in the EORTC/GMDSSG phase III trial 06011, 61 of them with RAEBt, i.e. AML by WHO) with cytogenetics informative for MK status.. Endpoints are the following: complete/partial (CR/PR) and overall response rate (ORR) and progression-free (PFS) and overall survival (OS). Cytogenetic subgroups are the following: 63 cytogenetically normal (CN) patients, 143 with cytogenetic abnormalities, 73 of them MKnegative (MK−), and 70 MK-positive (MK+). These MK+ patients could be divided into 17 with a single autosomal monosomy (MK1) and 53 with at least two monosomies (MK2+). ORR with DAC in CN patients: 36.1 %, in MK−patients: 16.7 %, in MK+ patients: 43.6 % (MK1: 44.4 %, MK2+ 43.3 %). PFS was prolonged by DAC compared to best supportive care (BSC) in the CN (hazard ratio (HR) 0.55, 99 % confidence interval (CI), 0.26; 1.15, p=0.03) and MK2+ (HR 0.50; 99%CI, 0.23; 1.06, p=0.016) but not in the MK−, MK+, and MK1 subgroups. OS was not improved by DAC in any subgroup. In conclusion, we demonstrate for the first time in a randomized phase III trial that high-risk MDS patients with complex karyotypes harboring two or more autosomal monosomies attain encouraging responses and have improved PFS with DAC treatment compared to BSC. [less ▲]

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See detailPeripheral blood stem cell graft compared to bone marrow after reduced intensity conditioning regimens for acute leukemia–A report from the ALWP of the EBMT
Savani, Bipin N.; Labopin, Myriam; Blaise, Didier et al

in Haematologica (2016)

Increasing numbers of patients are receiving reduced-intensity-conditioning regimen allogeneic hematopoietic stem-cell transplantation. We hypothesized that the use of bone-marrow graft might decrease the ... [more ▼]

Increasing numbers of patients are receiving reduced-intensity-conditioning regimen allogeneic hematopoietic stem-cell transplantation. We hypothesized that the use of bone-marrow graft might decrease the risk of graft-versus-host-disease compared to peripheral-blood after reduced-intensity-conditioning regimens without compromising graft-versus-leukemia effects. Patients who underwent reduced-intensity-conditioning regimen allogeneic hematopoietic stem-cell transplantation from 2000-2012 for acute leukemia and reported to the acute-leukemia-working-party of the EBMT were included in the study. Eight hundred thirty-seven patients receiving bone-marrow grafts were compared with 9011 peripheral-blood transplant recipients after reduced-intensity conditioning regimen. Median follow-up of surviving patients was 27 months. Cumulative incidence of engraftment (neutrophil≥0.5x109/L at day 60) was lower in bonemarrow recipients, 88 vs. 95% (p<0.0001). Grade II to IV acute graft-versus-hostdisease was lower in bone-marrow recipients, 19% vs. 24% for peripheral-blood (p=0.005). In multivariate analysis, after adjusting for differences between both groups, overall survival (HR 0.90; p=0.05) and leukemia-free-survival (HR 0.88; p=0.01) were higher in patients transplanted with peripheral-blood compared to bone-marrow grafts. Furthermore, peripheral-blood graft was also associated with decreased risk of relapse (HR 0.78; p=0.0001). Non-relapse-mortality was not significantly different between recipients of bone-marrow and peripheral-blood grafts, and chronic graft-versus-host-disease was significantly higher after peripheral blood grafts (HR 1.38; p<0.0001). Despite the limitation of a retrospective registry based study, we found that peripheral-blood grafts after reduced-intensity-conditioning regimens had better overall and leukemia-free survival than bone-marrow grafts. However, there is an increase in chronic graft-versus-host-disease after peripheral-blood grafts. Long-term follow-up is needed to clarify if chronic graft-versus-host-disease related deaths might increase the risk of late morbidity and mortality. [less ▲]

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See detailMethods of ex vivo expansion of human cord blood cells: challenges, successes and clinical implications
Baron, Frédéric ULg; Ruggeri, A.; Nagler, A.

in Expert Review of Hematology (2016), 21

More than 40,000 unrelated cord blood transplantations (UCBT) have been performed worldwide as treatment for patients with malignant or non-malignant life threatening hematologic disorders. However, low ... [more ▼]

More than 40,000 unrelated cord blood transplantations (UCBT) have been performed worldwide as treatment for patients with malignant or non-malignant life threatening hematologic disorders. However, low absolute numbers of hematopoietic stem and progenitor cells (HSPCs) within a single cord blood unit has remained a limiting factor for this transplantation modality, particularly in adult recipients. Further, because UCB contains low numbers of mostly naïve T cells, immune recovery after UCBT is slow predisposing patients to severe infections. Other causes of UCBT failure has included graft-versus-host disease (GVHD), and relapse of the underlying disease. In this article, we first review the current landscape of cord blood engineering aimed at improving engraftment. This includes approaches of UCB-HSPCs expansion and methods aimed at improving UCB-HSCPs homing. We then discuss recent approaches of cord blood engineering developed to prevent infection (generation of multivirus-specific cytotoxic T cells (VSTs) from UCB), relapse (transduction of UCB-T cells with tumor-specific chimeric receptor antigens (CARs)) and GVHD (expansion of regulatory T cells from UCB). Although many of these techniques of UCB engineering remain currently technically challenging and expensive, they are likely to revolutionize the field of UCBT in the next decades. [less ▲]

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See detailGemtuzumab Ozogamicin Versus Best Supportive Care in Older Patients With Newly Diagnosed Acute Myeloid Leukemia Unsuitable for Intensive Chemotherapy: Results of the Randomized Phase III EORTC-GIMEMA AML-19 Trial
Amadori, Sergio; Suciu, Stefan; Selleslag, Dominik et al

in Journal of Clinical Oncology (2016)

Purpose To compare single-agent gemtuzumab ozogamicin (GO) with best supportive care (BSC) including hydroxyurea as first-line therapy in older patients with acute myeloid leukemia unsuitable for ... [more ▼]

Purpose To compare single-agent gemtuzumab ozogamicin (GO) with best supportive care (BSC) including hydroxyurea as first-line therapy in older patients with acute myeloid leukemia unsuitable for intensive chemotherapy. Patients and Methods In this trial, patients at least 61 years old were centrally randomized (1:1) to receive either a single induction course of GO (6 mg/m2 on day 1 and 3 mg/m2 on day 8) or BSC. Patients who did not progress after GO induction could receive up to eight monthly infusions of the immunoconjugate at 2 mg/m2. Randomization was stratified by age, WHO performance score, CD33 expression status, and center. The primary end point was overall survival (OS) by intention-to-treat analysis. Results A total of 237 patients were randomly assigned (118 to GO and 119 to BSC). The median OS was 4.9 months (95% CI, 4.2 to 6.8 months) in the GO group and 3.6 months (95% CI, 2.6 to 4.2 months) in the BSC group (hazard ratio, 0.69; 95% CI, 0.53 to 0.90; P = .005); the 1-year OS rate was 24.3% with GO and 9.7% with BSC. The OS benefit with GO was consistent across most subgroups, and was especially apparent in patients with high CD33 expression status, in those with favorable/intermediate cytogenetic risk profile, and in women. Overall, complete remission (CR [complete remission] + CRi [CR with incomplete recovery of peripheral blood counts]) occurred in 30 of 111 (27%) GO recipients. The rates of serious adverse events (AEs) were similar in the two groups, and no excess mortality from AEs was observed with GO. Conclusion First-line monotherapy with low-dose GO, as compared with BSC, significantly improved OS in older patients with acute myeloid leukemia who were ineligible for intensive chemotherapy. No unexpected AEs were identified and toxicity was manageable. [less ▲]

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See detailThe Rexinoids LG100268 and LG101506 Inhibit Inflammation and Suppress Lung Carcinogenesis in A/J Mice.
Cao, Martine ULg; Royce, Darlene B.; Risingsong, Renee et al

in Cancer prevention research (Philadelphia, Pa.) (2016), 9(1), 105-14

LG101506 was originally synthesized to overcome some of the undesirable side effects of rexinoids. We compared the anticarcinogenic action of LG101506 and LG100268 and for the first time showed that both ... [more ▼]

LG101506 was originally synthesized to overcome some of the undesirable side effects of rexinoids. We compared the anticarcinogenic action of LG101506 and LG100268 and for the first time showed that both drugs are useful for prevention of lung cancer in A/J mice. These molecules markedly reduced tumor number, tumor size, and total tumor burden, when chronically administered to A/J mice that had been initiated with the mutagenic carcinogen, vinyl carbamate. Moreover, LG100268 synergized with the histone deacetylase inhibitor, vorinostat, for prevention of experimental lung cancer and enhanced the effect of carboplatin/paclitaxel for treatment of experimental lung cancer. Both rexinoids diminished the percentage of high-grade, highly malignant adenocarcinomas found at autopsy. In cell culture studies, the rexinoids exhibited potent anti-inflammatory properties at nanoMolar concentrations. These drugs suppressed the ability of lipopolysaccharide to stimulate the synthesis and secretion of nitric oxide and inflammatory cytokines and chemokines, such as IL6, IL1beta, CXCL2, and CSF3, in macrophage-like RAW264.7 cells. The present results suggest that LG100268, LG101506, or a related rexinoid may have useful clinical applications in the field of oncology. Cancer Prev Res; 9(1); 105-14. (c)2015 AACR. [less ▲]

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See detailAn integrated framework for forecasting travel behavior using Markov Chain Monte-Carlo simulation and profile Hidden Markov Models
Saadi, Ismaïl ULg; El Saeid Mustafa, Ahmed Mohamed ULg; Teller, Jacques ULg et al

in Proceedings of the 95th Annual Meeting of the Transportation Research Board (2016)

Recent advances in agent-based micro-simulation modelling have further underlined the importance of a thorough full synthetic population procedure to guarantee a correct characterization of the true ... [more ▼]

Recent advances in agent-based micro-simulation modelling have further underlined the importance of a thorough full synthetic population procedure to guarantee a correct characterization of the true population. We propose an integrated approach including Markov Chain Monte Carlo (MCMC) simulation and profiling based methods to catch the complexity and the diversity of agents of the true population through representative micro samples. The population synthesis method is capable of building the joint distribution of a given population with its corresponding marginal distributions (e.g. age, gender, socio-professional status etc.) using complete, partial conditional probabilities or both of them at the same time. Particularly, the estimation of socio-demographic variables and characterization of daily activity-travel patterns are included within the framework. Data stemming from the 2010 Belgian Household Daily Travel Survey (BELDAM) are used to calibrate the modelling framework. We illustrate that this framework catches in an efficient way the behavioral heterogeneity of travelers. Furthermore, we show that the proposed framework is adequately adapted to build large scale micro-simulation scenarios of transportation and urban systems. [less ▲]

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See detailEffects of fish predation on Posidonia oceanica amphipod assemblages
Sturaro, Nicolas ULg; Gobert, Sylvie ULg; Pérez-Perera, Amanda et al

in Marine Biology (2016), 163

Amphipod assemblages that inhabit Posidonia oceanica seagrass meadows are potentially relevant trophic resources for ichthyofauna. However, the effects of fish predation on amphipod assemblages in this ... [more ▼]

Amphipod assemblages that inhabit Posidonia oceanica seagrass meadows are potentially relevant trophic resources for ichthyofauna. However, the effects of fish predation on amphipod assemblages in this system have received little attention. To address this gap in knowledge, experimental manipulations of predation intensity (exclusion and inclusion cages) were conducted at two sites in a Mediterranean marine protected area, where different levels of fish predation were expected to occur. We found that in the absence of predatory fishes (exclusion cages), total amphipod density and biomass were higher than in uncaged areas and partially controlled cages. At the species level, Caprella acanthifera and Iphimedia minuta responded to caging with increased abundance, while in most cases different species did not exhibit differences in density or biomass between treatments. The presence of one enclosed labrid fish predator (inclusion cages) resulted in a lower density and biomass of Aora spinicornis and a lower biomass of Phtisica marina, although total amphipod density and biomass were unchanged. In the inclusion cages, a size-frequency analysis revealed that predators mainly targeted large A. spinicornis and Apherusa chiereghinii individuals. Our results suggest that predation by fish may be an important factor in controlling amphipod abundances and biomasses in P. oceanica meadows. Overall, amphipod community composition was not affected by exclusion or inclusion of fish predators. However, some significant effects at the species level point to more complex interactions between some amphipods and fish. [less ▲]

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See detailDe la grammaire pure logique à la grammaire philosophique. La grammaire des concepts chez Wittgenstein
Gauvry, Charlotte ULg

in Bulletin d'Analyse Phénoménologique (2016)

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See detailParsimonious time series clustering using P-splines
Iorio, Carmela; Frasso, Gianluca ULg; D’Ambrosio, Antonio et al

in Expert Systems with Applications (2016)

Abstract We introduce a parsimonious model-based framework for clustering time course data. In these applications the computational burden becomes often an issue due to the large number of available ... [more ▼]

Abstract We introduce a parsimonious model-based framework for clustering time course data. In these applications the computational burden becomes often an issue due to the large number of available observations. The measured time series can also be very noisy and sparse and an appropriate model describing them can be hard to define. We propose to model the observed measurements by using P-spline smoothers and then to cluster the functional objects as summarized by the optimal spline coefficients. According to the characteristics of the observed measurements, our proposal can be combined with any suitable clustering method. In this paper we provide applications based on non-hierarchical clustering algorithms. We evaluate the accuracy and the efficiency of our proposal by simulations and by analyzing two real data examples. [less ▲]

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See detailPrevention of Incisional Hernias by Prophylactic Mesh-augmented Reinforcement of Midline Laparotomies for Abdominal Aortic Aneurysm Treatment: A Randomized Controlled Trial.
Muysoms, Filip E.; DETRY, Olivier ULg; Vierendeels, Tijl et al

in Annals of surgery (2016), 263(4), 638-645

BACKGROUND: The incidence of incisional hernias after abdominal aortic aneurysm repair is high. Prophylactic mesh-augmented reinforcement during laparotomy closure has been proposed in patients at high ... [more ▼]

BACKGROUND: The incidence of incisional hernias after abdominal aortic aneurysm repair is high. Prophylactic mesh-augmented reinforcement during laparotomy closure has been proposed in patients at high risk of incisional hernia. METHODS: A multicenter randomized trial was conducted on patients undergoing elective abdominal aortic aneurysm repair through a midline laparotomy (Clinical.Trials.gov: NCT00757133). In the study group, retromuscular mesh-augmented reinforcement was performed with a large-pore polypropylene mesh (Ultrapro, width 7.5 cm). The primary endpoint was the incidence of incisional hernias at 2-year follow-up. RESULTS: Between February 2009 and January 2013, 120 patients were recruited at 8 Belgian centers. Patients' characteristics at baseline were similar between groups. Operative and postoperative characteristics showed no difference in morbidity or mortality. The cumulative incidence of incisional hernias at 2-year follow-up after conventional closure was 28% (95% confidence interval [CI], 17%-41%) versus 0% (95% CI, 0%-6%) after mesh-augmented reinforcement (P < 0.0001; Fisher exact test). The estimated "freedom of incisional hernia" curves (Kaplan-Meier estimate) were significantly different across study arms (chi = 19.5, P < 0.0001; Mantel-Cox test). No adverse effect related to mesh-augmented reinforcement was observed, apart from an increased mean time to close the abdominal wall for mesh-augmented reinforcement compared with the control group: 46 minutes (SD, 18.6) versus 30 minutes (SD, 18.5), respectively (P < 0.001; Mann-Whitney U test). CONCLUSIONS: Prophylactic retromuscular mesh-augmented reinforcement of a midline laparotomy in patients with abdominal aortic aneurysm is safe and effectively prevents the development of incisional hernia during 2 years, with an additional mean operative time of 16 minutes. [less ▲]

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See detailCurrent Changes in Pubertal Timing: Revised Vision in Relation with Environmental Factors Including Endocrine Disruptors.
Parent, Anne-Simone ULg; Franssen, Delphine ULg; Fudvoye, Julie ULg et al

in Endocrine development (2016), 29

The aim of this chapter is to revise some common views on changes in pubertal timing. This revision is based on recent epidemiological findings on the clinical indicators of pubertal timing and data on ... [more ▼]

The aim of this chapter is to revise some common views on changes in pubertal timing. This revision is based on recent epidemiological findings on the clinical indicators of pubertal timing and data on environmental factor effects and underlying mechanisms. A current advancement in timing of female puberty is usually emphasized. It appears, however, that timing is also changing in males. Moreover, the changes are towards earliness for initial pubertal stages and towards lateness for final stages in both sexes. Such observations indicate the complexity of environmental influences on pubertal timing. The mechanisms of changes in pubertal timing may involve both the central neuroendocrine control and peripheral effects at tissues targeted by gonadal steroids. While sufficient energy availability is a clue to the mechanism of pubertal development, changes in the control of both energy balance and reproduction may vary under the influence of common determinants such as endocrine-disrupting chemicals (EDCs). These effects can take place right before puberty as well as much earlier, during fetal and neonatal life. Finally, environmental factors can interact with genetic factors in determining changes in pubertal timing. Therefore, the variance in pubertal timing is no longer to be considered under absolutely separate control by environmental and genetic determinants. Some recommendations are provided for evaluation of EDC impact in the management of pubertal disorders and for possible reduction of EDC exposure along the precautionary principle. [less ▲]

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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 detailHigh resolution characterization of the soil organic carbon depth profile in a soil landscape affected by erosion
Jague, Emilien; Sommer, Michael; Saby, Nicolas et al

in Soil & Tillage Research (2016), 156

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See detailCassini in situ observations of long duration magnetic reconnection in Saturn’s magnetotail
Arridge, C.S.; Eastwood, J.P.; Jackman, C.M. et al

in Nature (2016)

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See detailCompte rendu, La mise en scène des produits et des marques. Représentations,significations, publics
Duchesne, Caroline ULg

in Questions de Communication (2016), 28

Actes d’un colloque interdisciplinaire organisé en juillet 2013 à l’Institut universitaire de technologie Nancy-Charlemagne, le volume rassemble douze contributions envisageant, en trois temps ... [more ▼]

Actes d’un colloque interdisciplinaire organisé en juillet 2013 à l’Institut universitaire de technologie Nancy-Charlemagne, le volume rassemble douze contributions envisageant, en trois temps, l’évolution stratégique de la mise en scène des marques, la place symbolique occupée par celles-ci dans l’espace social et l’interpénétration grandissante des registres commerciaux et culturels présidant à leur positionnement stratégique. [less ▲]

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