174,526 research outputs found

    Introduzione

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    Introduzione delle curatrici al volume collettaneo sulla letteratura degli Stati Uniti dalla metà dell'Ottocento ai nostri giorni

    Poetiche moderniste : poesia della voce (1914-45)

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    Il saggio descrive il ricco panorama delle poetiche moderniste americane delineando al suo interno una tradizione che privilegia forme o programmi di poesie "della voce" -- che fanno riferimento, cioè, in qualche modo o senso, a un modello orale, parlato. L'interpretazione lega questa tendenza a una linea di sviluppo precedente e strettamente connessa con la cultura letteraria americana

    La poesia dell'Ottocento e la retorica delle emozioni

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    Il saggio presenta una lettura della poesia americana dell'Ottocento che mette in luce lo svilupparsi, nei poeti maggiori, di una retorica "delle emozioni" fortemente segnata dall'oratoria di ascendenza puritana e dalle tendenze eterodosse e misticheggianti del pensiero riformato, ed è precorritrice delle poetiche della voce del modernismo americano

    Expression and localization of aquaporin-1 in temporomandibular joint disc with internal derangement

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    J Oral Pathol Med. 2012 May 3. doi: 10.1111/j.1600-0714.2012.01156.x. [Epub ahead of print] Expression and localization of aquaporin-1 in temporomandibular joint disc with internal derangement. Loreto C, Galanti C, Almeida LE, Leonardi R, Pannone G, Musumeci G, Carnazza ML, Caltabiano R. Source Department of Bio-Medical Sciences, University of Catania, Catania, Italy Department of Dentistry, Faculty of Dentistry, University of Catania, Policlinico Universitario, Catania, Italy Center for Health and Biological Sciences, Pontifical Catholic, University of Panarà, Curitibe, Brazil Department of Surgical Sciences, Institute of Pathology and Cytopathology, University of Foggia, Foggia, Italy Department of Anatomy, Diagnostic Pathology, Forensic Medicine, Hygiene and Public Health, University of Catania, Catania, Italy. Abstract Internal derangement is the most J Oral Pathol Med (2012) Background: frequent arthropathy affecting the temporomandibular joint, where its commonest form is anterior disc displacement with or without reduction. Despite the frequency of the disorder, the biochemical features of displaced discs are still We investigated the expression pattern and localization of unclear. Methods: aquaporin-1, an important channel protein involved in plasma membrane water permeability, in patients with anterior disc displacement (both with and without reduction), with a view to assessing the characteristics of local tissue responses to the microenvironmental changes induced by abnormal mechanical loading of the displaced disc. Protein expression was studied by immunohistochemistry in different areas of discs from 18 patients with anterior disc displacement with or without reduction and in four normal controls. A greater proportion of cells immunopositive for aquaporin-1 were Results: detected in diseased than in normal discs. Whereas protein expression was substantially similar in the different areas of normal discs, a significantly larger number of immunopositive cells were detected in the posterior band of displaced discs without reduction and in the anterior and intermediate bands of These findings suggest that aquaporin-1 is those with reduction. Conclusions: expressed and upregulated in temporomandibular joint with anterior disc displacement (both with and without reduction)

    La letteratura degli Stati Uniti : dal Rinascimento americano ai nostri giorni

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    Il volume è una raccolta di saggi sulla letteratura statunitense a partire alla metà dell'Ottocento fino ai giorni nostri

    Spatial and temporal variations of the food web structure in a dynamic water-level lake.

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    The effects of water-level variations on the structural organization of a detritus source food web were studied in the littoral zone of Lake Trasimeno (C Italy). Dry leaf-packs of Phragmites australis were used, a detritus food source. The web structure changes both temporally and spatially with the initial depths of the leaf-packs in water (0, -10, -35, -50 cm). In winter (submersion season), there was a very complex detritus source web with: 1) high values of connectivity (number of taxonomical units per connectance), 2) more polyphagous predators than monophagous ones and 3) high number of competitive horizontal links. In the dry season, a minimal structure of the source web is characterized by the opposite relationships. The structure of the source web is also influenced by the permanence of detritus source in water, the bathymetrical declivity, and the ontogenetic niche shift of many aquatic insects. The space-time elasticity of the structural organization of the source web could represent a stabilizing property. -from Author
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