79 resultados para Mattei, A.


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Ce mémoire vise à placer le travail de la poète colombienne Olga Elena Mattei au sein de la poésie colombienne de son temps (1962-2005). Dans le premier chapitre, certains concepts théoriques sont définis et le terme «canon», axé sur la poésie, est synthétisé. Dans le deuxième chapitre, le paysage de la poésie colombienne de la seconde moitié du XXe siècle est défini. La stylistique des poètes les plus importants et jugés comme étant canoniques, est présentée. Dans le dernier chapitre, les particularités de la poésie de Mattei sont analysées. Il est conclu qu'Olga Elena Mattei fait partie du canon de la poésie colombienne, mais que son travail a contesté le canon dominant de celle-ci, au fil des décennies, et qu'il a été en avance sur les tendances qui émergeraient plus tard. À titre d'exemple, il est montré comment, dans les années soixante du XXe siècle, quand, en Colombie, la rime et le mètre étaient toujours hégémoniques dans la poésie, Olga Elena Mattei a osé écrire et publier en vers libres. Puis, dans les années soixante-dix, lorsque le vers libre a été accepté et il régnait à la poésie colombienne, Mattei fut la première femme à écrire anti-poésie en espagnol. Dans les années quatre-vingt, alors que l'anti-poésie était la principale tendance en Colombie, Mattei s'est consacrée à écrire de la poésie au sujet de la science, jamais réalisée auparavant en Colombie. Et, dans les années quatre-vingt-dix, lorsque le vers libre est dominant en Colombie, Mattei retourne à la rime.

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Ce mémoire vise à placer le travail de la poète colombienne Olga Elena Mattei au sein de la poésie colombienne de son temps (1962-2005). Dans le premier chapitre, certains concepts théoriques sont définis et le terme «canon», axé sur la poésie, est synthétisé. Dans le deuxième chapitre, le paysage de la poésie colombienne de la seconde moitié du XXe siècle est défini. La stylistique des poètes les plus importants et jugés comme étant canoniques, est présentée. Dans le dernier chapitre, les particularités de la poésie de Mattei sont analysées. Il est conclu qu'Olga Elena Mattei fait partie du canon de la poésie colombienne, mais que son travail a contesté le canon dominant de celle-ci, au fil des décennies, et qu'il a été en avance sur les tendances qui émergeraient plus tard. À titre d'exemple, il est montré comment, dans les années soixante du XXe siècle, quand, en Colombie, la rime et le mètre étaient toujours hégémoniques dans la poésie, Olga Elena Mattei a osé écrire et publier en vers libres. Puis, dans les années soixante-dix, lorsque le vers libre a été accepté et il régnait à la poésie colombienne, Mattei fut la première femme à écrire anti-poésie en espagnol. Dans les années quatre-vingt, alors que l'anti-poésie était la principale tendance en Colombie, Mattei s'est consacrée à écrire de la poésie au sujet de la science, jamais réalisée auparavant en Colombie. Et, dans les années quatre-vingt-dix, lorsque le vers libre est dominant en Colombie, Mattei retourne à la rime.

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Mode of access: Internet.

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Translator's preface signed: Carlo Pancaldi.

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Treatment of large petroclival meningiomas causing brain stem compression is surgical removal followed by radiotherapy or radiosurgery if the lesion was partially resected. The management of small petroclival meningiomas is, however, controversial. Clinical observation, radiosurgery and surgical removal are the options of treatment. The natural history of these tumours is not well known. Published series of patients treated with radiosurgery are not comparable with surgical series because the latter also includes large size tumours. In this paper we present a series of 18 patients with small petroclival meningiomas (diameter <= 2.8cm) treated with radical surgical removal. Total resection (Simpson`s Grade 1) [43] was possible with minimal morbidity and no mortality. Background. We present a series of small petroclival meningiomas (SPM) treated by radical surgical removal and compare the outcome with other management modalities proposed for these lesions. Methods. Eighteen patients with SPM were surgically treated at our department of neurological surgery. The tumours were classified as small when they had a diameter < 3.0cm. Headaches (n = 12), diplopia (n = 8), facial hypoaesthesia (n = 3) and tinnitus (n = 6) were the most frequent symptoms at presentation. The approaches used were retrosigmoid (n = 14), fronto-orbito-zygomatic (n = 3) and presigmoid (n = 1). The post-operative follow-up ranged from 1 to 110 months (mean 41.8 months). Findings. Radical tumour resection (Simpson`s Grades 1 and 2) was achieved in all patients. There was no major morbidity or mortality related to the surgical procedure. Transient abducent nerve palsy was the only post-operative complication. The pre-operative cranial nerves deficits improved after surgery. Only one patient had persistent diplopia postoperatively. Conclusion. Radical surgical removal of SPM is possible with minimal morbidity and may cure the patient. The effectiveness and outcome of surgery for small petroclival meningiomas should be compared with series treated by radiosurgery.

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Objectives: This study evaluated the immediate and 6-month resin-dentin mu-bond strength (mu TBS) of one-step self-etch systems (Adper Prompt L-Pop [AD] 3M ESPE; Xeno III [XE] Dentsply De Trey; iBond [iB] Heraeus Kulzer) under different application modes. Materials and methods: Dentin oclusal surfaces were exposed by grinding with 600-grit SiC paper. The adhesives were applied according to the manufacturer`s directions [MD], or with double application of the adhesive layer [DA] or following the manufacturer`s directions plus a hydrophobic resin layer coating [HL]. After applying the adhesive resins, composite crowns were built up incrementally. After 24-h water storage, the specimens were serially sectioned in ""x"" and ""y"" directions to obtain bonded sticks of about 0.8 mm 2 to be tested immediately [IM] or after 6 months of water storage [6M] at a crosshead speed of 0.5 mm/min. The data from each adhesive was analyzed by a two-way repeated measures ANOVA (mode of application vs. storage time) and Tukey`s test (alpha = 0.05). Results: The adhesives performed differently according to the application mode. The DA and HL either improved the immediate performance of the adhesive or did not differ from the MD. The resin-dentin bond strength values observed after 6 months were higher when a hydrophobic resin coat was used than compared to those values observed under the manufacturer`s directions. Conclusions: The double application of one-step self-etch system can be safety performed however the application of an additional hydrophobic resin layer can improve the immediate resin-dentin bonds and reduce the degradation of resin bonds over time. (c) 2008 Elsevier Ltd. All rights reserved.

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Candida albicans is often isolated from clinical samples, thus its presumptive differentiation from other species of the same genus can be based on its ability to form the germ tube in human serum. Nevertheless, there are two other species that share this characteristic: C. dubliniensis and C. africana. The aim of this study was to compare four different substrates to perform the germ tube (GT) test. The Candida spp. isolates were identified using a manual system (135 C. albicans, 24 C. tropicalis and one C. dubliniensis). The germ tube test was performed with fresh, previously frozen serum and Mueller-Hinton (MH) broth and agar. GT was observed in 96% (130/136) of the isolates through the fresh serum technique, 94% (128/136) through previously frozen serum, 92% (125/136) in MH agar, and 90% (122/136) in MH broth. The sensitivity of each test was higher than 90%, with 100% specificity. Both the MH agar and broth were able to identify the true positives, and false positives were not found. However, some C. albicans isolates were not identified. MH agar and broth may be used in laboratory for the rapid presumptive identification of C. albicans, as an alternative method for germ tube test.

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Introduction Candida albicans is a commensal and opportunistic agent that causes infection in immunocompromised individuals. Several attributes contribute to the virulence and pathogenicity of this yeast, including the production of germ tubes (GTs) and extracellular hydrolytic enzymes, particularly phospholipase and proteinase. This study aimed to investigate GT production and phospholipase and proteinase activities in bloodstream isolates of C. albicans. Methods One hundred fifty-three C. albicans isolates were obtained from blood samples and analyzed for GT, phospholipase, and proteinase production. The assays were performed in duplicate in egg yolk medium containing bovine serum albumin and human serum. Results Detectable amounts of proteinase were produced by 97% of the isolates, and 78% of the isolates produced phospholipase. GTs were produced by 95% of the isolates. A majority of the isolates exhibited low levels of phospholipase production and high levels of proteinase production. Conclusions Bloodstream isolates of C. albicans produce virulence factors such as GT and hydrolytic enzymes that enable them to cause infection under favorable conditions.