1,721,042 research outputs found
Gravidanza per altri e reato “universale”: quali effetti su bimbe e bimbi, mamme e papà?
Full text linkErminio Corti, I manifesti delle avanguardie artistiche latinoamericane (1920-1935)
Full text linkErminio Corti, I manifesti delle avanguardie artistiche latinoamericane (1920-1935)(Verona, Ombre Corte, 2018, 266 pp. ISBN 978-88-6948-111-6)
di Alessandro Secomand
Release of tegument material in mice intracranially infected with <i>M. corti</i>.
No full text<p>(A) Peritoneal <i>M. corti</i> (p) stained in the tegument (arrowheads) with IB4 and PNA. 200× (B) Parasite (p) invading nervous tissue 2 DPI. Tegument in contact with host tissue (arrowheads) has lost IB4 and PNA GC ligands. 200× (C) After 3 weeks of IC infection the parasite (p) is IB4 negative but the infiltrating cells are IB4 positive. PNA bound GCs are found in the whole parasite. 200× (D) <i>M. corti</i> tegument (large arrowheads) stained with WGA and ConA. Metacestode parenchyma (asterisks) is mostly stained with ConA. Scolex tegument (small arrowheads) is also stained with both lectins. 200× (E) <i>M. corti</i> metacestode in leptomeninges after 3 DPI. ConA binding material is present in tegument and parenchyma (asterisk), WGA binding material is released from the tegument (arrowheads). 200× (F) At 3 weeks of IC infection <i>M. corti</i> remains positive for ConA and WGA in the tegument, but a portion of the WGA binding material (arrowheads) continues to disassociate from the parasite 400×.</p
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
Changes in the tegument of <i>M. corti</i> metacestode during CNS infection.
No full text<p>TEM images are showing the tegument distal cytoplasm (A) H&E staining of 1 day post-infection (DPI) brain showing a parasite (p) in the subdural space. The parasite's tegument (arrowhead) appears intact. 200× (B) H&E staining of <i>M. corti</i> penetrating the nervous tissue. Near complete loss of the tegument (small arrowhead), intermediate loss (medium arrowhead) and no loss (large arrowhead) can be observed during the invasion process. Arrows depict the scolex tegument. 2 DPI - 200× (C) TEM of <i>M. corti</i> tegument extracted from the peritoneal cavity showing vesicles (v) and high number of mitochondria (m) and discoidal bodies (db). Microtriches (mt) appear intact (D) TEM of <i>M. corti</i> tegument after 1 day of CNS infection showing residual bodies (rb) and autophagic-like bodies (ab). The number of vesicles (v), mitochondria (m) and discoidal bodies appears lower. Microtriches (mt) are smaller or broken compared to parasites extracted from the peritoneal cavity (E) Microtriches (arrowheads) phagocytosed by immune cell interact with parasite tegument (t) 1 DPI. The vesicular appearance of the tegument previously described in D is also seen in this specimen (F) Apparent macrophage in vicinity of parasite's tegument (t) showing parasite structures in its cytoplasm (arrowheads) 3 DPI (G) Parasite tegument (t) surrounded by immune cells phagocytosing parasite derived material (arrowheads), 3 DPI. Note the lack of microtriches in the tegument.</p
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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