265 research outputs found
Les Gaba, les Chaouch, deux dynasties de caïds dans l'Algérie coloniale, de 1851 à 1912 (Cercle de Tébessa)
No full textEstablet Colette. Les Gaba, les Chaouch, deux dynasties de caïds dans l'Algérie coloniale, de 1851 à 1912 (Cercle de Tébessa). In: Cahiers de la Méditerranée, n°45, 1, 1992. Bourgeoisies et notables dans le monde arabe (XIXe et XXe siècles) pp. 51-64
Association of an HLA-G 14-bp Insertion/Deletion polymorphism with high HBV replication in chronic hepatitis
No full textIdentification of an HLA-G 14-bp Insertion/Deletion (Ins/Del) polymorphism at the 3′ untranslated region of HLA-G revealed its importance in HLA-G mRNA stability and HLA-G protein level variation. We evaluated the association between the HLA-G 14-bp Ins/Del polymorphism in patients with chronic Hepatitis B virus (HBV) infection in a case-control study. Genomic DNA was extracted from 263 patients with chronic HBV hepatitis and 246 control subjects and was examined for the HLA-G 14-bp Ins/Del polymorphism by PCR. The polymorphic variants were genotyped in chronic HBV seropositive cases stratified according to HBV DNA levels, fibrosis stages and in a control population. There was no statistical significant association between the 14-bp Ins/Del polymorphism and increased susceptibility to HBV infection neither for alleles (P = 0.09) nor for genotypes (P = 0.18). The stratification of HBV patients based on HBV DNA levels revealed an association between the 14-bp Ins/Del polymorphism and an enhanced HBV activity with high HBV DNA levels. In particular, the Ins allele was significantly associated with high HBV DNA levels (P = 0.0024, OR = 1.71, 95% CI 1.2-2.4). The genotype Ins/Ins was associated with a 2.5-fold (95% CI, 1.29-4.88) increased risk of susceptibility to high HBV replication compared with the Del/Del and Ins/Del genotypes. This susceptibility is linked to the presence of two Ins alleles. No association was observed between the 14-bp Ins/Del polymorphism and fibrosis stage of HBV infection. We observed an association between the 14-bp Ins/Del polymorphism and high HBV replication characterized by high HBV DNA levels in chronic HBV patients. These results suggest a potential prognostic value for disease outcome evaluation. © 2015 John Wiley & Sons Ltd
Language control in auditory bilingual comprehension: uncovering novel evidence from the n − 2 repetition paradigm
No full textIn language production, inhibitory control is assumed to be the primary mechanism responsible for successful bilingual processing. To convey messages in one language, bilinguals must inhibit the unintended language. However, it remains unclear whether the same mechanism works in bilingual comprehension. Following up and expanding on Declerck and Philipp (2018, ‘Is inhibition implemented during bilingual production and comprehension? n–2 language repetition costs unchained’, Language, Cognition and Neuroscience, vol. 33, pp. 608–617), the present study investigates whether inhibition is involved in the linguistic identification system during bilingual comprehension with the n − 2 repetition paradigm. This is the second study exploring comprehension with this methodological setup to date. We used an auditory word–picture matching task with Chinese late trilinguals who learned their two non-native languages (L2 English and L3 Spanish) via formal school instruction. Our results indicate that participants responded faster in the n − 2 repetition trials (i.e., when the target language in the n and n − 2 trials matched). That is, we observed an n − 2 repetition benefit effect, a novel finding in this literature that goes counter the n − 2 repetition cost effect reported in previous studies using production-based tasks. In addition, our results underscore the complex interplay between proficiency and use and the resulting dynamics within the bilingual lexicon. We discuss the results in light of the different bilingual representation and processing models
Le travail informel : retour sur une notion floue. Remarques à partir du cas des entreprises françaises délocalisées au Maroc
No full textBased on the critical literature as well as on observations collected by the author for the preparation of his Ph. D. thesis, the article addresses the definition and the characterization of the main types of informal employment, the status of work in Morocco, and examines in more detail some atypical forms of work and employment which are related to the operation of French enterprises located in this country (the “ chaouch”, the maid, the …).L’article interroge la définition et les formes du travail informel dans le contexte sociétal marocain à partir de la littérature critique et des observations recueillies dans le cadre d’une thèse de doctorat en Sociologie. A la lumière des données collectées, on développe quelques remarques sur le statut du travail dans la société marocaine et on examine de façon plus précise la problématique du maintien de certaines figures atypiques en relation avec les entreprises françaises délocalisées au Maroc («chaouch » , bonne, porteur).Labari Brahim. Le travail informel : retour sur une notion floue. Remarques à partir du cas des entreprises françaises délocalisées au Maroc. In: Cahiers de sociologie économique et culturelle, n°41-42, 2004. pp. 71-93
Saldos del ciclo económico regional : desempleo y pobreza en el Estado de Veracruz (1990-2010)
No full textSe sustentará un proyecto de investigación bajo los alcances del título enunciado, que
en principio permita recuperar y traer a discusión algunos aspectos que se
desarrollaron en la tesina con l
a que se obtuvo el grado de licenciatura en economía.
En ella se abordaron los planos teórico
-
conceptuales, metodológicos y de
instrument
alización de la política social
presente
s en los estudios de la pobreza
que
permitieron
poner al día,
ordenar la discus
ión y clarificar los distintos enfoques
subyacentes e
n las aproximaciones analíticas
que
,
en algunos de estos tres niveles
suelen manifestar evidentes insuficiencias..
Chemical composition, in vitro antioxidant, anticholinesterase and antibacterial activities of Linaria scariosa Desf
No full textThe study was performed on the dichloromethane (DCM), ethyl acetate (EAc) and n-butanol (Bu) fractions (F) obtained from the 80% ethanol extract of Linaria scariosa Desf. aerial parts, collected in the North Eastern region of Algeria. Remarkable total phenolic and flavonoid contents were obtained, mainly for EAcF. These results were in accordance with the antioxidant activity of EAcF against DPPH, ABTS, CUPRAC and reducing power tests. DCMF and BuF exhibited significant cholinesterase activity inhibition of BChE and AChE. Moreover, EAcF displayed only moderate antibacterial activities, especially against S. aureus. The biological results were correlated to the chemical components, deduced by both GC-MS analysis of the fractions and the isolation of hemipholin, pectolinarigenin, antirride, antirrinoside, pectolinarin and linariosise, some of which known to exhibit potent effects on the tested biological activities. The study provides the first biological and chemical investigation on Linaria scariosa Desf (unresolved name)
Influence maximization over a network : static and dynamic policies
No full textThesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2016.Cataloged from PDF version of thesis.Includes bibliographical references (pages 131-132).The problem of maximizing the spread of an opinion inside a social network has been investigated extensively during the past decade. The importance of this problem in applications such as marketing has been amplified by the major expansion of online social networks. In this thesis, we study opinion control policies, first under a broad class of deterministic dynamics governing the interactions inside a network, and then under the classical "Voter Model". In the former case, we design a policy that a controller can follow in order to spread an opinion inside a network with the smallest possible cost. In the latter case, we consider networks whose underlying graph is the d-dimensional integer torus Zd/n, and we design policies that minimize the expected time until the network reaches a consensus. We also show that, in dimension d >/= 2, dynamic policies do not perform significantly better than static policies, while, in dimension d = 1, optimal dynamic policies perform much better than optimal static policies..by Zied Ben Chaouch.S.M
Saldos del ciclo económico regional : desempleo y pobreza en el Estado de Veracruz (1990-2010)
No full textSe sustentará un proyecto de investigación bajo los alcances del título enunciado, que
en principio permita recuperar y traer a discusión algunos aspectos que se
desarrollaron en la tesina con l
a que se obtuvo el grado de licenciatura en economía.
En ella se abordaron los planos teórico
-
conceptuales, metodológicos y de
instrument
alización de la política social
presente
s en los estudios de la pobreza
que
permitieron
poner al día,
ordenar la discus
ión y clarificar los distintos enfoques
subyacentes e
n las aproximaciones analíticas
que
,
en algunos de estos tres niveles
suelen manifestar evidentes insuficiencias..
HLA-E polymorphism and soluble HLA-E plasma levels in chronic hepatitis B patients
No full textChronic hepatitis B virus (HBV) infection occurs in association to a deregulation of immune system. Human leukocyte antigen E (HLA-E) is an immune-tolerant nonclassical HLA class I molecule that could be involved in HBV progression. To measure soluble (s) HLA-E in patients with chronic HBV hepatitis (CHB). We tested the potential association of HLA-E*01:01/01:03 A > G gene polymorphism to CHB. Our cohort consisted of 93 Tunisian CHB patients (stratified in CHB with high HBV DNA levels and CHB with low HBV DNA levels) and 245 healthy donors. Plasma sHLA-E was determined using enzyme-linked immunosorbent assay (ELISA). Genotyping was performed using polymerase chain reaction sequence-specific primer. No association between HLA-E*01:01/01:03 A > G polymorphism and HBV DNA levels in CHB patients was found. G/G genotype is less frequent in CHB patients without significance. sHLA-E is significantly enhanced in CHB patients compared with healthy controls (P = 0.0017). Stratification according to HBV DNA levels showed that CHB patients with low HBV DNA levels have higher sHLA-E levels compared with CHB patients with high HBV DNA levels. CHB patients with G/G genotype have enhanced sHLA-E levels compared with other genotypes (P = 0.037). This significant difference is maintained only for CHB women concerning G/G genotypes (P = 0.042). Finally, we reported enhanced sHLA-E in CHB patients with advanced stages of fibrosis (P = 0.032). We demonstrate, for the first time, the association of sHLA-E to CHB. Owing to the positive correlation of HLA-E*01:01/01:03 A > G polymorphism and the association of sHLA-E to advanced fibrosis stages, HLA-E could be a powerful predictor for CHB progression. Further investigations will be required to substantiate HLA-E role as a putative clinical biomarker of CHB.Chronic hepatitis B virus (HBV) infection occurs in association to a deregulation of immune system. Human leukocyte antigen E (HLA-E) is an immune-tolerant nonclassical HLA class I molecule that could be involved in HBV progression. To measure soluble (s) HLA-E in patients with chronic HBV hepatitis (CHB). We tested the potential association of HLA-E*01:01/01:03 A>G gene polymorphism to CHB. Our cohort consisted of 93 Tunisian CHB patients (stratified in CHB with high HBV DNA levels and CHB with low HBV DNA levels) and 245 healthy donors. Plasma sHLA-E was determined using enzyme-linked immunosorbent assay (ELISA). Genotyping was performed using polymerase chain reaction sequence-specific primer. No association between HLA-E*01:01/01:03 A>G polymorphism and HBV DNA levels in CHB patients was found. G/G genotype is less frequent in CHB patients without significance. sHLA-E is significantly enhanced in CHB patients compared with healthy controls (P=0.0017). Stratification according to HB..
Essais comparatifs inter-laboratoires Hole Erosion Test – campagne n°2 2019/2020
No full textÀ la suite de la première campagne d’essais HET inter-laboratoires entre les 3 laboratoires GeophyConsult, Sol Solution et Irstea/Inrae (campagne 2018/2019), une deuxième campagne est réalisée. L’objectif est de resserrer l’écart des résultats entre les laboratoires, par limitation des variables de réalisation de l’essai.Le document présente et analyse les résultats des essais de comparaison de cette 2è campagne, réalisée entre 3 laboratoires détenteurs du banc d’essai Hole Erosion Test selon le modèle Irstea
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