Publications (8423)
ARTICLE
Spectres IR de monophtalocyanines et de biphtalocyanines de zinc et de cobalt et de leurs dérivés halogénés.
K. BAYO , G. V. OUEDRAOGO, K. BENIHYA, G. TERZIAN, J.C. MOSSOYAN
Nous avons préparé et étudié une série de complexes de la
phtalocyanine par spectrométrie d'absorption infra-rouge. Les composés
étudiés sont: MPc, biMPc, MPc(X)8, MPc(X)16, (X)12biMPc et biH2Pc
avec M = Zn ou Co et X = F, Cl ou CN. Du fait du haut degré de symétrie
de la molécule de la phtalocyanine et des analogies de structure entre
mo(...)
Phthalocyanine; biphthalocyanine; zinc; cobalt; infrared spectra
ARTICLE
Plasma chitotriosidase activity in acute Plasmodium falciparum malaria
K. SIMPORE
Background: Chitotriosidase is a functional chitinase secreted by activated macrophages. It is encoded by a gene located on chromosome 1q31-32, whose mutations may be responsible for chitotriosidase deficiency, encountered in almost 6% of Caucasian population. Objective: This study reports firstly plasma chitotriosidase activity in African chi(...)
Mots clés non renseignés
ARTICLE
Les chefferies Moosé dans la vie politique du Burkina Faso depuis 1945
Magloire Somé
Les chefs traditionnels moosé ont participé depuis la décolonisation à la vie politique du Burkina, apparaissant quelquefois comme des figures de proue de l’éveil politique, ainsi que le témoigne le rôle joué par le Mogho Naaba Sagha dans la reconstitution de la Haute-Volta. Mais ces chefs n’ont pas pu s’adapter à la situation politique nouvel(...)
Chefferie moosé, Burkina Faso, vie politique
ARTICLE
Modulation of immune response in Plasmodium falciparum malaria: role of IL-12, IL-18 and TGF-beta
M Musumeci, L Malaguarnera, J Simporè, A Messina, S Musumeci
The interaction between pro- and anti-inflammatory cytokines such as interleukin 12 (IL-12), interleukin 18 (IL-18) and transforming growth factor beta (TGF-beta) plays an important role in malaria pathogenesis and outcome, modulating the immunoresponse in Plasmodium falciparum malaria. In our previous studies, we analyzed the plasmatic levels(...)
IL-12, IL-18, TGF-beta, Plasmodium falciparum, malaria, immune response, cytokines, mathematical model
ARTICLE
A New Route of Synthesis of 3a, 6a-Dihydro-oxazolo [5, 4-d] oxazole Derivatives
I. TAPSOBA
The electrochemical reduction of N-acylated imidates of a typical structure has been investigated by cyclic voltammetry and controlled potential electrolysis at mercury electrode in aprotic solvent. Electrodimerization occurs at the first wave and leads to the formation of 3a, 6a-dihydro-oxazolo [5, 4-d] oxazole 2 in good yields. Scheme 1.
Mots clés non renseignés
ARTICLE
Caracteristiques morphologiques des roniers (Borassus L.) du Burkina Faso
Amade OUEDRAOGO Joseph BOUSSIM Jean-Didier ZONGO, Sita GUlNKO
Les travaux de ces dix demieres annees revelent l'existence d'au mains deux taxons specifiques ou subspecifiques de Borassus L. en Afrique de l'Ouest Toutefois Wat actuel des connaissances de leur diversire biologique reste precaire et confus. Desprospections et des collectes de mareriel biologique effectuees dans les peuplements de l'est et d(...)
Borassus, Burkina Faso, diversité, morphologie.
ARTICLE
Epidemiology of bacterial resistance in gastro-intestinal pathogens in a tropical area
Giovanni Bonfiglio, Jacques Simporè, Salvatore Pignatelli, Salvatore Musumeci, Maria Letizia Solinas
During 1999-2000 a total of 4131 faecal specimens were collected and analysed at the medical centre St. Camille at Ouagadougou. Eight hundred and twenty-six (8.0%) grew significant bacteria. Escherichia coli (35%), Salmonella spp. (15%) and Shigella spp. (10%) were most frequently isolated. A large number of E. coli strains were resistant to a(...)
antibiotic resistance, gastro-intestinal pathogens, Escherichia coli, Salmonella, Shigella, aminopenicillins, cotrimoxazole, norfloxacin, surveillance, tropical area
ARTICLE
Plasma levels of interleukin-12 (IL-12), interleukin-18 (IL-18) and transforming growth factor beta (TGF-beta) in Plasmodium falciparum malaria
Lucia Malaguarnera, Salvatore Pignatelli, Jacques Simporè, Mariano Malaguarnera, Salvatore Musumeci
The interaction between pro- and anti-inflammatory cytokines such as interleukin 12 (IL-12), interleukin 18 (IL-18) and transforming growth factor beta (TGF-beta) may play an important role in malaria pathogenesis and outcome. IL-18 cooperates with IL-12 in the IFN-gamma production by T, B, and NK cells, and synergizes with IL-12 for IFN-gamma(...)
interleukin-12, interleukin-18, TGF-beta, Plasmodium falciparum, malaria, cytokines, immune response, severity
ARTICLE
Plasma levels of interleukin-18 and interleukin-12 in Plasmodium falciparum malaria
Lucia Malaguarnera, Salvatore Pignatelli, Maria Musumeci, Jacques Simporè, Salvatore Musumeci
Interleukin (IL)-18 produced primarily by mononuclear phagocytes synergizes with IL-12 for interferon-gamma production from T, B and natural killer cells. It has been also demonstrated that, in Plasmodium falciparum malaria, IL-18 could have an immunoregulatory function. The aim of this study was to detect the plasma levels of IL-12 and IL-18,(...)
interleukin-12, interleukin-18, Plasmodium falciparum, cytokines, immunorégulation, enfants, malaria, réponse immunitaire
ARTICLE
Sur un problème de type elliptique parabolique non linéaire
S. Ouaro, H. Touré
We study the general equation b(u)t=a(u,φ(u)x)x+f of elliptic-parabolic type. Using the theory of evolution equation governed by an accretive operator, we establish existence and uniqueness of mild solutions to the associate Cauchy problem, under general assumptions on the data. With an additional structural condition of Alt-Luckhauss type, we(...)
mild solutions; Cauchy problem; structural condition of Alt-Luckhauss type; weak solutions
ARTICLE
Comparison of content in Phenolic compounds, polyphenol oxidases and peroxidases in grains of fifty sorghum varieties from Burkina Faso.
DICKO Mamoudou. H., HILHORST, R., GRUPPEN, H., TRAORE, A. S., LAANE, C., van BERKEL, W. J. H. and VORAGEN, A. G. J.
Analysis of fifty sorghum [Sorghum bicolor (L.) Moench] varieties used in Burkina
Faso showed that they have different contents of phenolic compounds, peroxidase (POX),
and polyphenol oxidase (PPO). Most of the varieties (82%) had a tannin content less than
0.25% (w/w). POX specific activity was higher than the monophenolase and o-diphenola(...)
sorghum, starch, amylose, amylopectin, amylase, β-amylase, phenolic compounds
ARTICLE
Mother-child transmission of hepatitis B virus in Ouagadougou, Burkina Faso.
D. Ilboudo, A. Sawadogo, J. Simporé
A prospective study was conducted during July-September 1999 of 299 pregnant women (aged 15-43 years; mean age 25.3 years), attending a medical centre in Ouagadougou, Burkina Faso, to determine the incidence of mother-child transmission of hepatitis B virus (HBV). The presence of HBV antigens was tested for by enzyme immunoassay. The infants o(...)
Transmission mère-enfant, virus de l’hépatite B, Ouagadougou, Burkina Faso, hépatite virale
ARTICLE
Increased levels of interleukin-12 in Plasmodium falciparum malaria: correlation with the severity of disease
Lucia Malaguarnera, Rosa Maria Imbesi, Salvatore Pignatelli, Jacques Simporè, Mariano Malaguarnera, Salvatore Musumeci
Interleukin (IL)-12, produced by mononuclear phagocytes, activates the T-helper 1 (Th1) cells and helps, as a mediator, the innate immune response to intracellular microbes. In Plasmodium falciparum infection, this proinflammatory cytokine has immunoregulatory functions with effects on the immune response to the blood stage of disease, but als(...)
interleukin-12, Plasmodium falciparum, cytokines, immunité, enfants, paludisme, sévérité, immunorégulation
ARTICLE
Entre oralité et écriture : les fondements culturels des proverbes et chants malinké à travers En attendant le vote des bêtes sauvages d’Ahmadou Kourouma
Alain Joseph Sissao
Entre oralité et écriture : les fondements culturels des proverbes et chants malinké à travers En attendant le vote des bêtes sa9uvages d'Ahmadou Kourouma L'article tente d 'examiner le processus de création d'Ahmadou Kourou ma à trav ers les proverbes et les chants insérés dans le roman. Il s'agi t de comprendre les fondements culturels des p(...)
Proverbes, chants, malinké
ARTICLE
Etude d’une équation elliptique associée à un problème parabolique-elliptique non linéaire
S. Ouaro, H. Touré
We study the general equation b(u)−a(u,φ(u)x)x=f of second order elliptic type, which may degenerate onto a first order equation for some value of u. We introduce for that a notion of entropy type solution for the elliptic problem. We define an L1 operator associated to the equation. We show that the operator is accretive in L1, with dense dom(...)
elliptic equation; weak solution; entropy solution; accretive operator