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Esposizione a solventi in una fabbrica di produzione di nastri adesivi. Impiego di mezzi personali di protezione durante le operazioni a rischio
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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
Rischio di assorbimento di idrocarburi policiclici aromaticinei lavoratori esposti a fumi di scarico di motori diesel
No full textVariations 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
Determinazione della concentrazione delle fibre di asbesto nel liquido di lavaggio broncoalveolare: confronto tra microscopia elettronica a trasmissione ed a scansione
No full textAppropriate 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
Determinants of Skin and Respiratory Exposure to Lufenuron During Spraying and Re-entry in Italian Ornamental Plants Greenhouses
No full textThe aim of this study was to evaluate dermal and respiratory exposure of workers to Lufenuron during spraying and re-entry on ornamental plants (stapling) in greenhouses. Potential and real skin exposure were evaluated using filter paper pads, hand contamination by washing, and respiratory exposure by personal air sampling. Dislodgeable foliar residues (DFRs) during re-entry were determined in order to calculate the dermal transfer factor (DTF). Lufenuron was analysed by liquid chromatography-mass detection. Respiratory dose (ReD) was calculated on the basis of a lung ventilation of 15-20 l min-1 and absorbed doses assuming a skin penetration of 13% and a respiratory retention of 100%. During stapling, from the dependence of exposure of hands from DFRs, the mean DTF was 0.575 cm2 h-1 (geometric mean). The ReD was 68.7-74.6 and 0.022-0.636% of the total real dose during spraying and stapling, respectively. The absorbed doses, 0.144-0.171 and 0.005-0.124 μg kg bw-1 during spraying and stapling, respectively, were less than the acceptable operator exposure level of 10 μg kg bw-1. Proper use of equipment and personal protective equipment and personal hygiene are aspects of fundamental importance on which workers must be trained. Adequate occupational hygiene studies are needed to support and verify working practices
Accuratezza della TCMS nella valutazione del parametro “N2” nella stadiazione del NSCLC.
No full textComunicazione oral
Extramedullary multifocal plasmacytoma relapse in multiple myeloma.
No full textMultiple myeloma (MM) is characterized by clonal proliferation of plasma cells in the bone marrow. Extramedullary plasmacytomas (EMP) can occur either at initial diagnosis of MM or later during the course of the disease. EMP can affect any area of tissue, but the pleura, lymph nodes, soft tissue, liver, skin, lungs, central nervous system, genitourinary system, breast and pancreas are more frequently involved. The presence of EMP in MM is associated with aggressive disease leading to shorter overall survival and progression-free survival [1].
Multifocal EMP represents an even rarer manifestation in the course of MM (1% of all plasma cell malignancies) [2], [3] and cases of multifocal visceral relapse after transplantation are exceptional [3].
We describe here a rare case of a patient with IgG/k myeloma, who relapsed soon after autologous stem cell transplantation (ASCT) with a massive multifocal visceral extramedullary plasmacytoma. There was no evidence of myeloma marrow involvement nor monoclonal serum protein
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