1,720,970 research outputs found
Casale ritrovato. Un viaggio fra archeologia e storia nel paesaggio degli estremi
No full textIn un ipotetico viaggio che ci porti da Bari verso Altamura, Gravina e Matera, potremmo facilmente convincerci di star conducendo un percorso a ritroso nel tempo che, attraverso la grande periferia industriale del capoluogo, rapidamente ci proietta in un paesaggio sempre meno antropizzato, in cui ai segni della presenza umana si sovrappongono e infine sostituiscono pascoli, ampie distese di mandorli e ulivi, lembi di bosco, solo in minima parte interrotti da cave, capannoni e altri edifici moderni, alcuni in funzione, altri ridotti a rovine, che sembrano messi lì a bella posta a disturbare la continuità di un paesaggio incontaminato
Casale di Altamura. Una storia dimenticata
No full textLa storia di Casale di Altamura è stata per
troppo tempo dimenticata. È la storia di
centinaia di soldati austro-ungarici (molti
della Legione romena) morti nel campo di
prigionia durante la Prima Guerra Mondiale.
I saggi contenuti in questo volume (in parte
sono gli atti del Convegno internazionale
tenutosi ad Altamura il 25 novembre 2018
per il centenario della fine della Grande
Guerra) hanno un particolare valore
scientifico e culturale. Contribuiscono
innanzitutto a colmare il vuoto di studi nella
storiografia nazionale e internazionale sui
luoghi concentrazionari nel Meridione
d’Italia. Alcune note storiche del 1996
proprio su Casale di Altamura sono
sicuramente tra i primi studi dedicati ai
campi di prigionia lontani dai fronti
dell’Isonzo e del Piave. C’è, però, anche un
significato più ampio. La guerra vista dal
Sud, infatti, ne mette ancora più in luce il
senso tragico universale. Anche il fante
contadino meridionale, come osserva
Tommaso Fiore, è un povero «Cristo»
sbattuto in trincea per uccidere un nemico
che non odiava, in un conflitto di cui
neppure capiva il significato
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
Casale di Altamura. A cento anni dalla Grande Guerra/One Hundred Years from the Great War
Full text linkLa storia di Casale di Altamura è stata per troppo tempo dimenticata. È la storia di centinaia di soldati austro-ungarici (molti della Legione romena) morti nel campo di prigionia durante la Prima Guerra Mondiale. I saggi contenuti in questo volume (in parte sono gli atti del Convegno internazionale tenutosi ad Altamura il 25 novembre 2018 per il centenario della fine della Grande Guerra) hanno un particolare valore scientifico e culturale. Contribuiscono
innanzitutto a colmare il vuoto di studi nella storiografia nazionale e internazionale sui luoghi concentrazionari nel Meridione d’Italia. Alcune note storiche del 1996 proprio su Casale di Altamura sono sicuramente tra i primi studi dedicati ai campi di prigionia lontani dai fronti dell’Isonzo e del Piave. C’è, però, anche un significato più ampio. La guerra vista dal Sud, infatti, ne mette ancora più in luce il senso tragico universale. Anche il fante contadino meridionale, come osserva Tommaso Fiore, è un povero «Cristo» sbattuto in trincea per uccidere un nemico
che non odiava, in un conflitto di cui neppure capiva il significato
Praseodymium trivalent ion is an effective inhibitor of mitochondrial basic amino acids and carnitine/acylcarnitine carriers
No full textWe herein report the identification of the lantanide praseodymium trivalent ion Pr3+ as inhibitor of mitochondrial transporters for basic amino acids and phylogenetically related carriers belonging to the Slc25 family. The inhibitory effect of Pr3+ has been tested using mitochondrial transporters reconstituted into liposomes being effective in the micromolar range, acting as a competitive inhibitor of the human basic amino acids carrier (BAC, Slc25A29), the human carnitine/acylcarnitine carrier (CAC, Slc25A20). Furthermore, we provide computational evidence that the complete inhibition of the transport activity of the recombinant proteins is due to the Pr3+ coordination to key acidic residues of the matrix salt bridge network. Besides being used as a first choice stop inhibitor for functional studies in vitro of mitochondrial carriers reconstituted in proteoliposomes, Pr3+ might also represent a useful tool for structural studies of the mitochondrial carrier family
Insight into biological strategies and main challenges to control the phytopathogenic bacterium Xylella fastidiosa
No full textXylella fastidiosa is a xylem-restricted bacterium that can infect a wide range of host plants. The European Union classifies Xylella fastidiosa as a quarantine pathogen. Since its initial outbreak in the Apulia region of southern Italy in 2013, it has caused a severe disease in Olea europaea, known as olive quick decline syndrome (OQDS). Alarmingly, X. fastidiosa has continued to spread and establish itself in several European countries, including Spain, France, and Portugal. In response, researchers have conducted numerous studies to identify effective strategies for limiting the spread of the bacterium and its primary insect vector, Philaenus spumarius L. These efforts have explored a wide range of approaches, including sustainable treatments, biological control agents, plant breeding techniques, and vector management strategies. This review aims to summarize the current research landscape and highlights the potential for improved management of this significant phytopathogen. The ongoing threat posed by X. fastidiosa underscores critical challenges for the future of agriculture in Europe and beyond. Furthermore, we identify key areas that remain poorly understood and require further investigation to develop effective and reliable control measures for this pathogen
New opportunity for early on-site detection of Plasmopara viticola by qPCR assay
No full textPlasmopara viticola, the causal agent of grapevine downy mildew, is a widespread and significant plant pathogen. A quantitative PCR (qPCR) assay using a portable thermocycler was developed to enable rapid and early on-site detection of P. viticola. The internal transcribed spacer 1 (ITS1) region was selected as the target, and the specific primer pairs PLAV19 was designed. The assay was optimized using traditional thermocyclers, testing three different primer concentrations (100, 200, and 300 nM), and two annealing temperatures (58 degrees C and 60 degrees C). Optimal conditions were 200 nM primer concentration and an annealing temperature of 60 degrees C. Under these parameters, the assay yielded a limit of detection (LoD) of 1.5 fg/mu L and a limit of quantification (LoQ) of 15 fg/mu L for P. viticola DNA (strain PLVDisspa1), showing consistent performance across both thermocyclers. Specificity tests confirmed no cross-reactivity with DNA from common grapevine-associated microorganisms, biocontrol agents, other Oomycetes and several grapevine cultivars. The PLAV19 primer set was further validated on DNA extracted from healthy, artificially inoculated, and naturally infected grapevine tissues, including samples exhibiting nonspecific leaf symptoms and latent bunch infections. Three DNA extraction protocols were evaluated to validate the extraction method, and one of these was shown to be suitable for on-field applications. The developed assay was a reliable diagnostic tool for the early detection and monitoring of P. viticola under field conditions, with potential applications in disease forecasting and sustainable management of grapevine downy mildew
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