1,720,998 research outputs found

    Nicola Zingarelli, Dante e il genio di Giovanni Boccaccio

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    Il saggio si sofferma sull'antologia di scritti boccacciani curata da Zingarelli per l'editore Perrella, analizzandone la prefazione e le note. Lo studioso evidenzia in particolare l'incidenza dell'eredità dantesca da Zingarelli rilevata nell'opera di Boccaccio

    Con Zingarelli e oltre di lui. L’enigma della Lonza e il soccorso di «Mamma Eneide»

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    Il saggio ricostruisce la "funzione Virgilio" nella formazione e nel pensiero di Dante e nella concezione della "Commedia", così come essa appare documentata nell'abbondante produzione critica del filologo romanzo e italianista Nicola Zingarelli. Su questo sfondo si colloca una riflessione sul valore allegorico della "lonza" nel primo canto dell'"Inferno", che con ogni probabilità risente anche di un passo parallelo dell'Eneide e della sua interpretazione fissata da Mauro Onorato Servio

    La cultura religiosa medievale negli studi danteschi di Nicola Zingarelli

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    Nel quadro di un volume dedicato al contributo di Nicola Zingarelli agli studi danteschi, il saggio offre un'analisi delle mdalità con le quali lo studioso ha affrontato il nodo dei rapporti fra Dante e la cultura religiosa medievale. Oltre a una utile storicizzazione di tale contributo preziosa perché permette anche di cogliere alcune anticipazioni di ipotesi e prospettive di ricerca che si sono affermate solo negli ultimi decenni, il saggio presenta anche una serie di sviluppi originali e autonomi degli spunti offerti dallo studioso novecentesco

    Petrarca alla luce di Dante. Il commento ai Rerum Vulgarium Fragmenta di Nicola Zingarelli

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    Il saggio si occupa del commento di Zingarelli ai RVF e in particolare della lettura apparentemente ingenua della Fam. XXI 15 indirizzata a Boccacci

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    EFFECTS OF NDL-PCB ON PORCINE MACROPHAGES: PRELIMINARY RESULTS

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    Polychlorinated biphenyls (PCBs) are persistent organic pollutants (POPs) causing adverse effects on both humans and animals. Immune system is an important target organ for many environmental contaminants. Macrophages constitute an important component of the immune system of humans and animals, in fact, they are responsible for triggering innate immune responses and host defense. The aim of the current study was to assess the immunomodulatory effects of certain non dioxin like PCBs (PCB 138; PCB 153 and PCB 180) using porcine macrophage 3D4/31 cell line. We evaluated not only the effects induced by the individual congeners but also those deriving from mixtures of more contaminants, in consideration of the fact that co-contamination of the same substrate is common in natural conditions and the effects of simultaneous exposure to multiple contaminants are still little investigated. The results of the current study showed that ndl-PCBs reduced significantly cell viability only at the highest concentration (50 μM); such effect was not linked to apoptosis induction or cell cycle arrest. The contemporary presence of more than one contaminant (differently combined) did not induce any enhancement of effects on 3D4/31 cell line
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