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594 results on '"Belli R"'

1. Relationship between Climate and Famine from 1250 to 1350 in Central Italy

Author

Tasselli, D., Ricci, S., Bianchi, P., Stanca, M., and Belli, R.

Subjects
Physics - Atmospheric and Oceanic Physics, Physics - Geophysics, Physics - Physics and Society
Abstract

This study aims to present an overview of how climate change brought about by events such as earthquakes, volcanic eruptions, flares and variations in solar activity, etc. have characterized the area of central Italy, analyzing and comparing astronomical, geological, meteorological, seismological, historical and climatic data, taking as reference some specific locations in the period between 1250 and 1350. The ultimate goal is to understand how long-term climatic and geological events in this geographical area have changed the territory both from a natural and anthropic point of view, leading to highlight the occurrence of extreme events such as wave of plague of the period 1347-1351. The analysis is performed using a statistical-historical approach and particular attention is paid to minimize any effect due to the error in the event of a lack of data., Comment: 30 pages, 2 table, 27 figure

Published
2022

2. Epidemiological and molecular characterization of HBV and HCV infections in HIV-1-infected inmate population in Italy: a 2017–2019 multicenter cross-sectional study

Author

Maggiorella, Maria Teresa, Sernicola, L., Picconi, O., Pizzi, E., Belli, R., Fulgenzi, D., Rovetto, C., Bruni, R., Costantino, A., Taffon, S., Chionne, P., Madonna, E., Pisani, G., Borsetti, A., Falvino, C., Ranieri, R., Baccalini, R., Pansera, A., Castelvedere, F., Babudieri, S., Madeddu, G., Starnini, G., Dell’Isola, S., Cervellini, P., Ciccaglione, A. R., Ensoli, B., and Buttò, S.

Published
2023
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22. Identification and characterization of an RRM-containing, ELAV-like, RNA binding protein in Acinetobacter Baumannii

Author

Ciani, C., primary, Perez-Rafols, A., additional, Bonomo, I., additional, Micaelli, M., additional, Esposito, A., additional, Zucal, C., additional, Belli, R., additional, D'Agostino, V.G., additional, Bianconi, I., additional, Calderone, V., additional, Cerofolini, L., additional, Fragai, M., additional, and Provenzani, A., additional

Published
2022
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23. 74TiP Capmatinib plus osimertinib vs platinum-pemetrexed doublet chemotherapy as second-line therapy in patients with stage IIIB/IIIC/IV EGFR-mutant, T790M-negative, MET-amplified NSCLC

Author

Wu, Y-L., primary, Han, J-Y., additional, Kato, T., additional, Barlesi, F., additional, Garon, E.B., additional, Cappuzzo, F., additional, Shibata, Y., additional, Smith, N., additional, Khanna, S., additional, Belli, R., additional, Yovine, A., additional, and Shao-Weng Tan, D., additional

Published
2022
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24. High HIV-1 diversity in immigrants resident in Italy (2008–2017)

Author

Maggiorella M. T., Sanarico N., Brindicci G., Monno L., Santoro C. R., Coppola N., Cuomo N., Azzurri A., Cesario F., Luciani F., El-Hamad I., D'Ettorre G., Turriziani O., Mazzuti L., Poggi A., Vichi F., Mariabelli E., Surace L., Berardelli G., Picconi O., Cenci A., Sernicola L., Rovetto C., Fulgenzi D., Belli R., Salvi E., Zeo P. D., Borsetti A., Ridolfi B., Losappio R., Zoboli F., Schietroma I., Cella E., Angeletti S., Ciccozzi M., D'Amato S., Ensoli B., Butto S., Angarano G., Babudieri S., Scheri G. C., Lichtner M., Martini S., Mazzella A., Romano N., Pansera A., Pontali E., Raddi A., Starnini G., Dell'Isola S., Maggiorella, M. T., Sanarico, N., Brindicci, G., Monno, L., Santoro, C. R., Coppola, N., Cuomo, N., Azzurri, A., Cesario, F., Luciani, F., El-Hamad, I., D'Ettorre, G., Turriziani, O., Mazzuti, L., Poggi, A., Vichi, F., Mariabelli, E., Surace, L., Berardelli, G., Picconi, O., Cenci, A., Sernicola, L., Rovetto, C., Fulgenzi, D., Belli, R., Salvi, E., Zeo, P. D., Borsetti, A., Ridolfi, B., Losappio, R., Zoboli, F., Schietroma, I., Cella, E., Angeletti, S., Ciccozzi, M., D'Amato, S., Ensoli, B., Butto, S., Angarano, G., Babudieri, S., Scheri, G. C., Lichtner, M., Martini, S., Mazzella, A., Romano, N., Pansera, A., Pontali, E., Raddi, A., Starnini, G., and Dell'Isola, S.

Subjects
0301 basic medicine, Male, Latin Americans, Immigration, Human immunodeficiency virus (HIV), lcsh:Medicine, HIV Infections, Drug resistance, medicine.disease_cause, Antiretroviral Therapy, Highly Active, Cluster Analysis, HIV Infection, lcsh:Science, Phylogeny, media_common, Recombination, Genetic, Multidisciplinary, Geography, virus diseases, High HIV-1 diversity in immigrants, Middle Aged, Italy, Medicine, Infectious diseases, Female, Human, Adult, Tuberculosis, media_common.quotation_subject, Science, 030106 microbiology, Emigrants and Immigrants, Article, 03 medical and health sciences, Population screening, Drug Resistance, Viral, medicine, Humans, Hepatitis, Cluster Analysi, lcsh:R, Genetic Variation, Emigrants and Immigrant, medicine.disease, Antiretroviral therapy, 030104 developmental biology, Mutation, HIV-1, lcsh:Q, Demography, Diversity (politics)
Abstract

The proportion of new diagnoses of HIV infection in immigrants residing in Italy raised from 11% in 1992 to 29.7% in 2018. To investigate the HIV clades circulating in this community a retrospective study was performed in 557 HIV-infected immigrants living in 12 Italian cities. Immigrants originated from East-Europe and Central-Asia (11.7%), North Africa and Middle East (7.3%), South and South-East Asia (7.2%), Latin America and the Caribbean (14.4%), and sub-Saharan Africa (59.4%). More than 87% of immigrants were on antiretroviral therapy (ART), although 26.6% of them were viremic. A 22.0% of immigrants had hepatitis (HBV and/or HCV) and/or tuberculosis. HIV phylogenetic analysis on sequences from 192 immigrants showed the presence of clades B (23.4%), G (16.1%), C (10.4%), A1 (9.4%), F1 (5.2%), D (1.6%) and Circulating Recombinant Forms (CRFs) (33.9%). CRF02_AG represented 72.3% of the total CRFs. Clusters between immigrants and Italian natives were also present. Drug resistance mutations to NRTI, NNRTI, and PI drug classes occurred in 29.1% of ART-treated and in 12.9% of ART-naïve individuals. These data highlight the need for tailored public health interventions in immigrants to avoid spreading in Italy of HIV genetic forms and ART-resistant variants, as well as HIV co-morbidities.

Published
2020

34. Viscosity and stickiness of dental resin composites at elevated temperatures

Author

Loumprinis, N. Maier, E. Belli, R. Petschelt, A. Eliades, G. Lohbauer, U.

Abstract

Objective: To investigate the influence of pre-heating different classes of dental resin composites on viscosity and stickiness at five different temperatures. Methods: Six flowable, five conventional packable, and one thermo-viscous bulk-fill resin composites were heated up to 54 °C in a plate-plate rheometer to determine their complex viscosity. Normal force measurements were carried out for the six packable materials to determine the unplugging force and unplugging work (stickiness) over the same temperature range. Data were analyzed using Kolmogorov–Smirnoff test, one-way ANOVA and Tukey Post Hoc test with α = 0.05 as level of significance. Results: At 23 °C packable composites showed viscosity between 6.75 and 19.14 kPa s, while flowable composites presented significantly lower viscosities between 1.31 and 2.20 kPa s. Pre-heating led to a drop of 30–82% in the viscosity of packable materials. The thermo-viscous material dropped to the level of flowables at 45 and 54 °C thus behaving as a packable composite at room temperature with flowable-like viscosity at higher temperatures. No statistically significant differences for viscosity were observed among flowable composites at any temperature. The unplugging force decreased for packable composites, while their unplugging work generally increased at elevated temperature. At 23 °C unplugging force was measured between 7.50 and 19.18 N, while pre-heating up to 54 °C led to values between 2.9 and 6.2 N. Regarding unplugging work at 23 °C the calculated values were between 3.0 and 8.9 × 10−3 J and at 54 °C between 8.8 and 13.0 × 10−3 J. Significance: Pre-heating significantly reduced viscosity of highly viscous resin composites, while no influence was shown for flowable composites. In general stickiness, measured as unplugging work, increased at elevated temperatures. The thermo-viscous material showed low viscosity comparable to flowable composites at 45 and 54 °C, yet its stickiness did not increase significantly compared to the values at 23 °C. © 2020 The Academy of Dental Materials

Published
2021

44. 1284P MET inhibitor capmatinib plus EGFR tyrosine kinase inhibitor nazartinib for EGFR-mutant non-small cell lung cancer

Author

Felip, E., primary, Minotti, V., additional, Soo, R., additional, Wolf, J., additional, Solomon, B., additional, Tan, D.S.W., additional, Ardizzoni, A., additional, Lee, D.H., additional, Sequist, L.V., additional, Barlesi, F., additional, Paz-Ares, L., additional, Rodriguez-Abreu, D., additional, Campelo, M.R. Garcia, additional, Sprauten, M., additional, O’Sullivan Djentuh, L., additional, Belli, R., additional, Glaser, S., additional, Zou, M., additional, Giovannini, M., additional, and Yang, J.C-H., additional

Published
2020
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