105 research outputs found

    Evidence for νμντ\nu_\mu \to \nu_\tau appearance in the CNGS neutrino beam with the OPERA experiment

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    The OPERA experiment is designed to search for νμντ\nu_{\mu} \rightarrow \nu_{\tau} oscillations in appearance mode i.e. through the direct observation of the τ\tau lepton in ντ\nu_{\tau} charged current interactions. The experiment has taken data for five years, since 2008, with the CERN Neutrino to Gran Sasso beam. Previously, two ντ\nu_{\tau} candidates with a τ\tau decaying into hadrons were observed in a sub-sample of data of the 2008-2011 runs. Here we report the observation of a third ντ\nu_\tau candidate in the τμ\tau^-\to\mu^- decay channel coming from the analysis of a sub-sample of the 2012 run. Taking into account the estimated background, the absence of νμντ\nu_{\mu} \rightarrow \nu_{\tau} oscillations is excluded at the 3.4 σ\sigma level.Comment: 9 pages, 5 figures, 1 table

    Somatostatin analogues in the treatment of gastroenteropancreatic neuroendocrine tumours, current aspects and new perspectives

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    Gastroenteropancreatic neuroendocrine tumours (GEP NETs) are rare tumours that present many clinical features

    Tratamento medicamentoso dos tumores hipofisários. parte II: adenomas secretores de ACTH, TSH e adenomas clinicamente não-funcionantes

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    Il Thin Layer Immunoassay (TIA) nella Diagnosi Biologica dell'Amebiasi e della Schistosomiasi Umane: confronto con la tecnica di Emoagglutinazione Indiretta

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    Gli Autori riportano i risultati ottenuti con una metodica innovativa, il TIA nella diagnosi dell'amebiasi e della schistosomiasi urinaria, raffrontandoli con quelli della emoagglutinazione indiretta (EAI

    Evaluation of ELIEDA test for immunodiagnosis of hydatid disease

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    An ELIEDA test for hydatidosis was evaluated with sera from preoperative, surgically-confirmed hydatidosis cases, postoperative hydatidosis patients, persons with other parasitic disease and healthy donors. ELIEDA was more sensitive than the counter-immunoelectrophoresis test based on the same positivity criterion and was equally specific for the immunodiagnosis of human hydatidosis. The procedure appears to be simple and rapid and merits consideration in that it determines specific classes of antibodies involved in the immune response which appear to be useful in following the evolution of hydatid cysts

    [Evaluation of ELIEDA test for immunodiagnosis of hydatid disease].

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    An ELIEDA test for hydatidosis was evaluated with sera from preoperative, surgically-confirmed hydatidosis cases, postoperative hydatidosis patients, persons with other parasitic disease and healthy donors. ELIEDA was more sensitive than the counter-immunoelectrophoresis test based on the same positivity criterion and was equally specific for the immunodiagnosis of human hydatidosis. The procedure appears to be simple and rapid and merits consideration in that it determines specific classes of antibodies involved in the immune response which appear to be useful in following the evolution of hydatid cysts
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