1,328 research outputs found

    Nè melindrosa nè almofadinha. Modelli di femminilità e di mascolinità nel movimento anarchico a San Paulo (1899-1935)

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    La donna melindrosa e l’uomo almofadinha ritraggono due modelli di comportamento che si diffusero in Brasile nel primo dopoguerra, come in molti altri Paesi, in nome della modernità. Il movimento anarchico li considerò non come segni di progresso, bensì come ulteriore conferma dei ruoli tradizionali di genere: soprattutto la melindrosa, al di là delle apparenze di libertà, rimaneva quell’essere frivolo e capriccioso che tanto piaceva agli uomini. Oggetto della ricerca è il movimento anarchico che si sviluppò principalmente tra São Paulo e Rio de Janeiro. Il periodo preso in esame inizia con una rappresentazione teatrale (Casa di bambola di Ibsen, São Paulo 1899) e finisce con un dibattito a proposito di un film sull’educazione sessuale (São Paulo, 1935). La scelta delle date, che dimostra l’importanza dei fenomeni culturali nel definire i rapporti tra uomo e donna, rivela la persistenza dell’anarchismo, nel campo dei dibattiti sulla morale sessuale, anche dopo la sconfitta del movimento nei luoghi di lavoro e nelle strade. La tesi analizza i modelli di femminilità e di mascolinità che emergono nei discorsi e nelle pratiche – nella stampa, nella sociabilità, nelle mobilitazioni, nell’iconografia e nel teatro –, mettendo in luce lo scarto tra modelli ideali e comportamenti quotidiani che si possono osservare in casa, nel lavoro e nel tempo libero all’interno dei quartieri operai. Partendo dal riconoscimento del carattere sessuato dell’anarchismo, la ricerca ricostruisce inoltre l’analogia tra ritualità del movimento ed esperienza della lettura nei militanti, al fine di cogliere i legami tra rappresentazioni del corpo, bellezza sessuata e immagini di società ideale. La trasformazione radicale della società immaginata dall’anarchismo avanzava l’esigenza di nuovi rapporti tra individui: analizzarli, significa mettere in luce i rapporti tra sociabilità, militanza e genere

    Festa e lettura nel movimento anarchico a São Paulo (1900-1935): analisi di un rito

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    L’articolo propone un’analogia tra il rituale della partecipazione alle serate di propaganda promosse dal movimento anarchico e la lettura dei periodici libertari a São Paulo nei primi decenni del Novecento. I due riti sono entrambi esperienze liminali in cui il militante si separa dal presente per mettere in scena l’alternativa e il desiderio; al termine del rito viene reintegrato, con una diversa consapevolezza, in una comunità transnazionale basata sulla solidarietà e su comuni ideali

    Il giorno dei cori - Mario Brunello, violoncello, violoncello piccolo

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    Mario Brunello, violoncello, violoncello piccoloCoro del Friuli Venezia Giulia, Cristiano Dell’Oste, maestro del coro, Karina Oganjan, soprano, Gabriele Rampogna, percussion

    Bioactive Sphene Coatings for Dental Implant Applications Rivestimenti bioattivi a base di sphene per impianti dentali

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    Over the last few decades, due to the aging of the population, prolonged life expectancy and increased demand for esthetic dental procedures, there is an increasing request for dental implant treatment for the replacement of missing teeth. In addition, in presence of an inadequate amount of bone for implant positioning, bone regeneration procedures are required. Among various strategies, which are currently being investigated, synthetic biocompatible three-dimensional structures, known as “scaffolds”, produced using different additive manufacturing technologies are attracting growing attention for use in bone tissue regeneration, as personalized bone scaffolds can be designed to fit specific bone defects. Successful use of bioactive ceramics, as coating materials for dental implants as well as bone substitutes, has been reported. In particular, sintered hydroxyapatite (HA) has been extensively employed in clinical dental practice. However, its low fracture toughness and the occurrence of delamination at the interface with titanium substrates have significantly limited the scope of clinical applications. More recently, a new category of bioactive ceramics, i.e. silicate-based ceramics, has received great attention, due to their remarkable bioactivity and good mechanical properties. The primary aim of the current project is to develop and test in vitro and in vivo a specific bioactive silicate-based ceramic, sphene (CaTiSiO5), as coating material for dental implants. Sphene coatings will be prepared using a preceramic polymer containing nanosized active fillers as precursors for the formation of the desired ceramic phase. Coating will be applied by airbrushing, and the samples will undergo heat treatment, in order to transform the precursors into a ceramic coating. Once the sphene-coated implants will be prepared, they will be fully characterized in terms of microstructure analysis, crystalline phase assemblage, physicochemical properties, effect on mesenchymal stem cell behavior in vitro, and, finally, osseointegration in a rat model. Secondary aim of this project consists in the production and characterization of sphene ceramic scaffolds to be utilized as bone substitutes for bone tissue regeneration. These scaffolds will be fabricated by direct ink writing using a preceramic polymer and nano sized active fillers. The samples will be then characterized, and a particular attention will be given to investigating in vitro cytocompatibility and osteoconductive properties, prior to in vivo study using rat critical size calvarial defect model

    Né "melindrosa", né "almofadinha". Femminilità e mascolinità nel movimento anarchico in Brasile (1899-1935)

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    Neither "melindrosa" nor "almofadinha". Femininity and masculinity in the Brazilian anarchist movement (1899-1935) The woman so called "melindrosa" and her equivalent, the man so called "almofadinha", indicate two examples of behaviour that spread in Brazil in first post war period, as in many other countries, in the name of modernity. The anarchist movement considered them not a symbol of progress, but as another confirmation of traditional gender roles: especially the "melindrosa", beyond an apparent freedom, was the frivolous and capricious woman that men loved yet. This research analyses the anarchist movement developed within São Paulo e Rio de Janeiro. The reference period starts with a drama (Ibsen’s "A doll's house", São Paulo 1899) and finishes with a debate regarding a movie about sexual education (São Paulo, 1935): there two dates demonstrate that cultural phenomenon are important when you try to describe man and woman relationships, but also reveal the existence of anarchism after his defeat in labour and public spaces. By observing femininity and masculinity models emerging from speeches and experiences – press, sociability, mobilization, iconography and theatre –the thesis reveals the variance between ideal models and ordinary behaviours that occur at home, at work and in the free time inside labour neighbourhoods. Starting from the anarchist sexual character, the research also reconstructs the analogy between movement rituality and reading experience, in order to understand what links body representations, sexual beauty and ideal society images. Radical modification of society conceived by anarchism required a new kind of relationship among people: to analyse this relationship means to cast light on sociability, activism and gender

    Coro del Friuli Venezia Giulia, Cristiano Dell’Oste, maestro del coro, Karina Oganjan, soprano, Gabriele Rampogna, percussioni

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    Mario Brunello, violoncello, violoncello piccoloCoro del Friuli Venezia Giulia, Cristiano Dell’Oste, maestro del coro, Karina Oganjan, soprano, Gabriele Rampogna, percussion

    The psychophysics of bouncing: perceptual constraints, physical constraints, animacy, and phenomenal causality

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    In the present study we broadly explored the perception of physical and animated motion in bouncing-like scenarios through four experiments. In the first experiment, participants were asked to categorize bouncing-like displays as physical bounce, animated motion, or “other”. Several parameters of the animations were manipulated, that is, the simulated coefficient of restitution, the value of simulated gravitational acceleration, the motion pattern (uniform acceleration/deceleration or constant speed) and the number of bouncing cycles. In the second experiment, a variable delay at the moment of the collision between the bouncing object and the bouncing surface was introduced. Main results show that, although observers appear to have realistic representations of physical constraints like energy conservation and gravitational acceleration/deceleration, the amount of visual information available in the scene has a strong modulation effect on the extent to which they rely on these representations. A coefficient restitution >1 was a crucial cue to animacy in displays showing three bouncing cycles, but not in displays showing one bouncing cycle. Additionally, bouncing impressions appear to be driven by perceptual constraints that are unrelated to the physical realism of the scene, like preference for simulated gravitational attraction smaller than g and perceived temporal contiguity between the different phases of bouncing. In the third experiment, the visible opaque bouncing surface was removed from the scene, and the results showed that this did not have any substantial effect on the resulting impressions of physical bounce or animated motion, suggesting that the visual system can fill-in the scene with the missing element. The fourth experiment explored visual impressions of causality in bouncing scenarios. At odds with claims of current causal perception theories, results indicate that a passive object can be perceived as the direct cause of the motion behavior of an active object
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