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Academic literature on the topic 'Traitements répétés'
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Journal articles on the topic "Traitements répétés"
Baril, G., B. Rémy, JC Vallet, and JF Beckers. "Observations sur l'utilisation de traitements gonadotropes répétés chez la chèvre laitière." Annales de Zootechnie 41, no. 3-4 (1992): 291–96. http://dx.doi.org/10.1051/animres:19920307.
Full textBEHOUNDJA-KOTOKO, Octave, Fabert SOMAKOU, Nehal Tinon DJAOUGA MAMADOU, Manzidath ALAGBA, Ruffin DOSSOU AGBEDE, and Hugues BAIMEY. "Influence du Biochar et du Mycotri sur le développement de la grande morelle (Solanum macrocarpon L.) et la densité de population des nématodes à galles sous serre." Annales de l’Université de Parakou - Série Sciences Naturelles et Agronomie 12, no. 2 (December 31, 2022): 27–34. http://dx.doi.org/10.56109/aup-sna.v12i2.106.
Full textOumarou, Traoré, Ouédraogo R. Adèle, Dianda Z. Oumarou, Boro Fousseni, Bouda Etienne, and Wonni Issa. "Effets des Amendements Organiques sur la Gale Bactérienne et la Pourriture Apicale de la Tomate à Bobo-Dioulasso au Burkina Faso." European Scientific Journal, ESJ 19, no. 33 (November 30, 2023): 17. http://dx.doi.org/10.19044/esj.2023.v19n33p17.
Full textBintou, L. Y., Alpha Seydou Yaro, Bernard Sodio, and Moussa Sacko. "Persistance de la schistosomiase urinaire en zones endémiques soumises aux traitements de masse répétés au Mali." International Journal of Biological and Chemical Sciences 13, no. 1 (May 23, 2019): 369. http://dx.doi.org/10.4314/ijbcs.v13i1.29.
Full textBasséne, Jean, Siré Diédhiou, Yaya Diatta, Arfang Ousmane Kémo Goudiaby, Yves Paterne Sagna, Mamadou Sow, Boubacar Camara, et al. "Décomposition et effet de la litière de <i>Parkia biglobosa</i> (Jacq.) R. Br. Ex G. Don. sur la croissance et le rendement du riz en Basse Casamance, Sénégal." International Journal of Biological and Chemical Sciences 17, no. 3 (August 24, 2023): 879–98. http://dx.doi.org/10.4314/ijbcs.v17i3.10.
Full textMadec, F. X., and B. Boillot. "Les sténoses de l’urètre antérieur chez l’homme : changement de paradigme ! Limiter les traitements endo-urétraux répétés et proposer la reconstruction urétrale par urétroplastie." Progrès en Urologie - FMC 31, no. 3 (September 2021): F90—F92. http://dx.doi.org/10.1016/j.fpurol.2021.05.001.
Full textOnunkwor, D. N., I. U. Udokwu, E. O. Ekundayo, B. N. Ezenyilimba, J. N. Omumuabuike, and F. C. Ezeoke. "Carcass and internal organ changes in broiler chickens administered water containing various medicinal plant leaf methanol extracts." Nigerian Journal of Animal Production 49, no. 2 (March 8, 2022): 209–14. http://dx.doi.org/10.51791/njap.v49i2.3481.
Full textMujike, Désiré Numbi, Boniface Mbinga Lokoto, Fiston Mpange Kalombo, Elie Mukendi, Paul Kazaba Kaseya, Gaël Nzuzi Mavungu, Dieu le veut Kapend Kapend, et al. "Influence de traitements sur la germination et la croissance en pépinière d’<i>Afzelia quanzensis</i> Welw. (Fabaceae) à Lubumbashi en République Démocratique du Congo." Revue Africaine d’Environnement et d’Agriculture 7, no. 1 (April 27, 2024): 11–17. http://dx.doi.org/10.4314/rafea.v7i1.2.
Full textE. A., Adeyeye, Irekhore O. T., Idowu O. P. A., Iyanda A. I., Amos A. T., and Oso A. O. "Growth performance and blood indices of Nigerian indigenous male turkey on diets containing shrimp waste meal." Nigerian Journal of Animal Production 49, no. 6 (September 11, 2023): 32–40. http://dx.doi.org/10.51791/njap.v49i6.3850.
Full textAssogba, Komlan, Sikirou Rachidatou, Adrien Boko, Charlotte Adje, Victoire Ahle, Raymond Vodouhe, Assa Ayémou, Enoch Achigan, and Prudent Anihouvi. "Pratiques culturales et teneur en éléments anti nutritionnels (nitrates et pesticides) du Solanum macrocarpum au sud du Bénin." African Journal of Food, Agriculture, Nutrition and Development 7, no. 15 (July 7, 2007): 01–21. http://dx.doi.org/10.18697/ajfand.15.ipgri2-3.
Full textDissertations / Theses on the topic "Traitements répétés"
Gross, Viktoriia. "An integrative approach to characterize and predict cell death and escape to beta-lactam antibiotic treatments." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASB035.
Full textResistance to first-line antimicrobial drugs is now commonly encountered. In particular, the increasing fraction of commensal and pathogenic Escherichia coli expressing extended-spectrum beta-lactamases and/or carbapenemases is alarming. E. coli is a major cause of common infections such as urinary tract infections, affecting over 150 million people worldwide. Importantly, many infections relapse. Therefore, an in-depth understanding of the susceptibility of E. coli clinical isolates to beta-lactams is essential for proposing effective treatments.Bacteria might escape treatments in many different ways. Resistant bacteria grow and divide normally in the presence of antibiotics. Their characterization is easy using standard diagnostic tests. Resilient bacteria merely survive in the presence of antibiotics and regrow when the antibiotic is removed or degraded. This biphasic behavior complicates the prediction of treatment outcomes. Resilience to treatment is notably observed in collective antibiotic tolerance, where dead cells release beta-lactamases degrading the antibiotic in the environment. Standard approaches are not adapted for quantifying and understanding the role of resistance and/or resilience.Our main objectives are to quantify the dynamics of cell death during repeated treatments and to quantify the impact of different growth conditions on cell death. First, we developed novel protocols to address variability issues in optical density measurements, and to perform colony forming unit assays in an efficient manner. Using these techniques, we generated an extensive dataset describing the impact of repeated treatments on different clinical isolates. We calibrated a previously developed in the team model of population response to antibiotic and evolution of the environment in the context of collective antibiotic tolerance. We calibrated the model to our dataset, and we showed that the model accounts for the temporal evolution of both biomass and live cell counts. Further, we demonstrated that using this model we can predict live cell number from biomass measurements.In addition, in this work we highlighted the in vitro - in vivo gap by assessing the effect of different growth conditions on cell survival. To address this challenge, we studied the bacterial response in human urine and in Mueller-Hinton media (media used for standard antibiotic susceptibility tests), as well as a defined media with different carbon sources. First, we observed better survival in urine compared to Mueller-Hinton media, but this result varied depending on the strain and the antibiotic concentration. Interestingly, the experimental data showed that nutrient concentration had no effect on growth rate, but a strong effect on carrying capacity and antibiotic response. Through model calibration and analysis of identified model parameter values, we identified biological processes that could explain the differences between bacterial behavior in different media
Lamri, Salim. "Mécanismes d'endommagement des dépôts minces sous impact répété." Phd thesis, Université de Technologie de Belfort-Montbeliard, 2010. http://tel.archives-ouvertes.fr/tel-00607507.
Full textMailhot-Larouche, Samuel. "L'inhalation répétée de métacholine sur la mécanique respiratoire chez la souris." Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/30432.
Full textAsthma is a prevalent respiratory disorder for which a proportion of patients responds poorly to actual treatment, which highlights the necessity to study the physiopathology of asthma and to develop more efficient drugs. The airway smooth muscle plays a chief role in asthma. This is because the excessive activation of airway smooth muscle that characterizes asthma, and the exaggerated contraction that ensues, leads to respiratory symptoms by obstructing the airway lumen. The two projects presented in this Master’s thesis focus on the effects of repeated inhalations of methacholine, an activator of airway smooth muscle, in mice. The hypothesis of the first project postulated that the mechanical stress the airway wall undergoes during repeated methacholine-induced constrictions leads to structural changes in the airway wall. The results demonstrated that repeated constrictions by themselves are not sufficient to induce key features of airway wall remodeling, to alter respiratory mechanics and to change the contractile capacity of airway smooth muscle. The hypothesis of the second project postulated that repeated inhalations of methacholine trigger adaptation of the muscarinic receptors, which leads to a decreased effect of muscarinic agonists over time. In turn, this would decrease the force generated by airway smooth muscle and thereby relieves airway obstruction. The results confirmed that repeated activations of the muscarinic receptors by inhaled methacholine decrease airway responsiveness to methacholine in vivo, as well as the force generated by the airway smooth muscle in response to methacholine ex vivo. Interestingly, in a murine model of asthma, repeated activations of the muscarinic receptors completely reverse airway hyperresponsiveness to methacholine. The molecular mechanisms underlying this phenomenon remain to be determined.
Hachair, Sophie. "Rhizobium leguminosarum biovar trifolii indicateur microbien de l'effet d'applications répétées de traitements fongicides à base de cuivre dans les sols viticoles." Dijon, 2003. http://www.theses.fr/2003DIJOS027.
Full textThe effects of copper contamination on indigenous R. Leguminosarum bv. Trifolii populations nodulating subclover was studied by sampling vineyard soils (from 53 to 445 mg kg-1). The size of the rhizobial populations varied from 105 to less than 101 cells g-1 soil , the lowest numbers being found for the most Cu-contaminated plots. The genetic structure of rhizobial populations was characterized by PCR-RFLP of the intergenic spacer region between the 16S and 23S rRNA genes (ITS). One ITS type predominated in the less Cu-contaminated soils and its frequency was significantly lower in the soils with the highest Cu contents in which another type predominated. Effectiveness in nitrogen fixation with clover plants was related to the symbiotic genotypes (nodC and nifH), isolates with genotype that predominate in the most Cu-contaminated soils being less effective than others. Consequently, high copper contents in vineyard soils might negatively affect soil fertility
Sagara, Issaka. "Méthodes d'analyse statistique pour données répétées dans les essais cliniques : intérêts et applications au paludisme." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM5081/document.
Full textNumerous clinical studies or control interventions were done or are ongoing in Africa for malaria control. For an efficient control of this disease, the strategies should be closer to the reality of the field and the data should be analyzed appropriately. In endemic areas, malaria is a recurrent disease. Repeated malaria episodes are common in African. However, the literature review indicates a limited application of appropriate statistical tools for the analysis of recurrent malaria data. We implemented appropriate statistical methods for the analysis of these data We have also studied the repeated measurements of hemoglobin during malaria treatments follow-up in order to assess the safety of the study drugs by pooling data from 13 clinical trials.For the analysis of the number of malaria episodes, the negative binomial regression has been implemented. To model the recurrence of malaria episodes, four models were used: i) the generalized estimating equations (GEE) using the Poisson distribution; and three models that are an extension of the Cox model: ii) Andersen-Gill counting process (AG-CP), iii) Prentice-Williams-Peterson counting process (PWP-CP); and (iv) the shared gamma frailty model. For the safety analysis, i.e. the assessment of the impact of malaria treatment on hemoglobin levels or the onset of anemia, the generalized linear and latent mixed models (GLLAMM) has been implemented. We have shown how to properly apply the existing statistical tools in the analysis of these data. The prospects of this work remain in the development of guides on good practices on the methodology of the preparation and analysis and storage network for malaria data
Jouvert, Peggy. "Régulations de l'expression du gène erg-1 en réponse à des traitements aigu ou répété de cocai͏̈ne dans le cerveau de rat." Université Louis Pasteur (Strasbourg) (1971-2008), 2003. https://publication-theses.unistra.fr/public/theses_doctorat/2003/JOUVERT_Peggy_2003.pdf.
Full textImmediate early genes are known to be rapidly and transiently induced in response to the stimulation of neurons by various neurotransmitters. By encoding transcription factors, they are responsible for the expression of an array of target genes. Induction of immediate early genes, such as egr-1 is now considered as a tool to study neuronal activation in various brain systems. Here, we studied the expression of the plasticity-associated immediate early gene egr-1 following cocaine treatment in rat brain. Cocaine strongly inhibits the uptake of dopamine, serotonin and noradrenaline into presynaptic neurons, which results in the over-stimulation of the corresponding receptors. The psychostimulant and locomotor effects of cocaine are primarily mediated by the dopaminergic system. Cocaine was found to induce egr-1 expression mainly in dopaminergic fields, such as the striatum or the frontal cortex. By using the anesthetic agents ketamine and propofol, we show that cocaine-induced egr-1 expression is regulated by the glutamatergic and GABAergic systems. We also studied the modulation of dopaminergic neurons by stimulating the cGMP signalling pathway. Injection of the neuropeptide CNP ("C-type natriuretic peptide"), as well as stimulation or over-expression of cGMP-dependent protein kinase, were found to inhibit cocaine-induced egr-1 transcription, extracellular dopamine increase and hyperlocomotion. Finally, we measured the expression of the egr genes, as well as that of the transcriptional repressor NABs, in response to acute or chronic cocaine administration. It appears that egr-1, egr-3 and NAB2 are the key members of their families that regulate expression of Egr target genes in dopaminergic brain areas. These genes might therefore be involved in mediating long-term adaptations following repeated cocaine administration, such as related behavioural effects
Pasquier, Elisabeth. "Fausses couches et morts fœtales inexpliquées : des mécanismes aux traitements." Brest, 2009. http://www.theses.fr/2009BRES3202.
Full textThere are no clear guidelines for investigations and therapeutic interventions in unexplained pregnancy loss. A parallel has been drawn with the antiphospholipid syndrome. Thus, since the 1990s, inherited thrombophilias have been explored with great enthusiasm. However, since an initial impressive impact, a critical] appraisal of this issue is steadily growing. We successively initiated 3 studies: 1/ an incident case-control study designed to support the implication of a prothrombic state and to explore other mechanisms such as an endothelial dysfunction. 311 women (284 couples) have been referred for unexplained pregnancy losses (2 or more consecutive losses at or before 21 weeks of gestation, or at least one later loss): 600 control women (297 couples) with no pregnancy loss and at least one living child have been recruited using electoral lists. We did not find any association between unexplained pregnancy loss and - maternal or paternal factor V Leiden and Prothrombin G20210A mutations, - highly skewed X chromosome maternal inactivation. The thrombin generation, the endothelial microparticules, the plasma level of lipoprotein(a), CD 146 soluble form (endothelial adhesin) and fractalkine (CX3 chemokine) are ah significantly increased in female cases whereas platelet microparticles are lower than in controls. 2/ a prospective cohort study of the women included in 1/. Familial hypertension and high levels of leukocyte microparticles are risk factors for miscarriage recurrence. 3/ a double-blind placebo-control trial, studying enoxaparin in unexplained recurrent miscarriages (since March 2007)
Méausoone, Clémence. "Etude en Interface Air-Liquide de la toxicité des Composés Organiques Volatils lors d’expositions répétées : Cas du toluène, de ses homologues et des émissions issues de son traitement catalytique." Thesis, Littoral, 2019. https://documents.univ-littoral.fr/access/content/group/50b76a52-4e4b-4ade-a198-f84bc4e1bc3c/BULCO/Th%C3%A8ses/Toxicologie/these_Meausoone_Clemence.pdf.
Full textToluene is a solvent widely used in manufacturing industries. It belongs to a family of volatile organic compounds (VOCs), many of which have adverse impacts on human health and are classified as carcinogenic, mutagenic or toxic for reproduction. Different measures have been implemented to reduce the emissions of toxic compounds, such as their replacement in the industry by less harmful compounds and/or reducing gas emissions at the source. In this context, the first objective of the research was to investigate the acute toxicity and the one after repeated exposure to toluene and its superior homologous solvents, which can be used as its substitution compounds, as well as its lower homologous on human bronchial epithelial cells using an air/liquid interface exposure device. The second objective was to assess the toxicity of gaseous effluents from the degradation of toluene by catalytic oxidation. For this purpose, BEAS-2B cells were exposed during 1 hour for 1, 3 or 5 days to benzene, toluene, xylene or mesitylene, and to the exhausts of catalytic oxidation of toluene. Toxic effects were evaluated through cytotoxicity, inflammatory response and gene expression of xenobiotic metabolism enzymes (XME). Exposure of BEAS-2B cells to toluene and its homologous compounds revealed the involvement of metabolic pathways specific to each compound. A significant increase in inflammatory marker response was also observed, with a higher concentration after cell exposure to benzene and to xylene compared to the other molecules. With regard to exposure to gaseous effluents from the catalytic oxidation of toluene, the late expression of genes involved in the metabolism of aromatic organic xenobiotics has made possible to highlight the presence of by-products, such as benzene or polycyclic aromatic hydrocarbons. In conclusion, the results obtained in this project show the interest of conducting repeated in vitro exposures to detect potential late effects, and the importance of toxicological validation of catalytic systems before scaling-up in industrial pilots
Trojak, Benoît. "Comparaison de l’efficacité thérapeutique de la stimulation magnétique transcrânienne répétée basse fréquence de l’aire corticale 9 par rapport à l’aire corticale 46 de Brodmann dans le traitement des troubles dépressifs." Thesis, Dijon, 2011. http://www.theses.fr/2011DIJOS101.
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Isch, Arnaud. "Caractérisation de la dynamique hydrique et du transport de solutés en sol nu soumis à des apports répétés de Produits Résiduaires Organiques : application au risque de lixiviation des nitrates." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAH012/document.
Full textAn instrumented experimental bare soil site including three plots (90 m²) and six lysimeters (4 m²) has enabled to study the influence of repeated sewage sludge (SS) applications, as well as the same sewage sludge composted with green waste (SGW), on (i) the soil physicochemical and hydric properties ; (ii) the transport of bromide ions ; (iii) the organic carbon and nitrogen mineralization dynamics in soil. Finally, fitting the governing hydraulic parameters and the organic matter decomposition parameters in each soil horizon allowed a satisfying description of the experimentally observed water and bromide and nitrate ions transport in soil. These results will help conceive long-term agronomical scenarios aimed at providing more efficient answers to the new requirements of environmental protection and waste recycling policies