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Simulations of RF Beam Manipulations Including Intensity Effects for CERN PSB and SPS Upgrades
The LIU program at CERN is of paramount importance at international level. The program foresees a significant upgrade of the LHC injector chain to increase the luminosity of the LHC beam by a factor of ten after 2024, when the HL-LHC era will start. This thesis deals with longitudinal beam dynamics studies for two LHC injectors (PSB and SPS), the main goal being the analysis of beam instabilities in the HL-LHC scenario.
Agave negatively regulates YAP and TAZ transcriptionally and post-translationally in osteosarcoma cell lines
Osteosarcoma (OS) is the most aggressive type of primary solid tumor that develops in bone. Whilst conventional chemotherapy can improve survival rates, the outcome for patients with metastatic or recurrent OS remains poor, so novel treatment agents and strategies are required. Previously published works indicate that Agave exhibits anticancer properties. In the present study, anticancer effects of Agave leaf extract were investigated in the OS cells, discovering that Agave inhibits cell growth and cell migration, and sensitizes OS cells to cisplatin (CDDP), to overcome chemoresistance. Agave’s mechanisms of action include an initial process in which Agave induces YAP/TAZ oncogenic protein degradation, followed by a secondary event whereby Agave inhibits YAP/TAZ transcription through NF-κB p65:p50 heterodimers deregulation. Winner of the Competition “Prize for PhD Thesis 2020” arranged by Sapienza University Press.
Multi-drug resistant Klebsiella pneumoniae strains circulating in hospital setting
Carbapenems resistant Enterobacteriaceae infections are increasing worldwide representing an emerging public health problem. The application of phylogenetic and phylodynamic analyses to bacterial whole genome sequencing (WGS) data have become essential in epidemiological surveillance of MDR pathogens to discern outbreak from non-outbreak strains in both community and hospital settings. In this study, K. pneumoniae strains circulating within different wards of university hospital were collected and WGS applied. Moreover a microbiological surveillance on duedonoscopes was performed to evaluate their reprocessing. The aim was to infer the origin and the spread of K. pneumoniae nosocomial strains and to clarify the epidemiological transmission as so as the eventual reservoir in the hospital setting supporting the epidemiological surveillance and infections control strategies. Winner of the Competition “Prize for PhD Thesis 2020” arranged by Sapienza University Press.
Towards Recognizing New Semantic Concepts in New Visual Domains
Despite being the leading paradigm in computer vision, deep neural networks are inherently limited by the visual and semantic information contained in their training set. In this thesis, we aim to design deep models operating with previously unseen visual domains and semantic concepts. We first describe different solutions for generalizing to new visual domains, applying variants of normalization layers to multiple challenging settings e.g. where new domain data is not available but arrives online or is described by metadata. In the second part, we incorporate new semantic concepts into pretrained deep models. We propose specific solutions for different problems such as multi-task/incremental learning and open-world recognition. Finally, we merge the two challenges: given images of multiple domains and categories, can we recognize unseen concepts in unseen domains? We propose an approach that is the first, promising step, towards solving this problem. Winner of the Competition “Prize for PhD Thesis 2020” arranged by Sapienza University Press.
La distribuzione spaziale dei reperti come base per un’interpretazione dei livelli subappenninici di Coppa Nevigata (Manfredonia, FG) in termini di aree di attività
Nell’ambito delle società a economia produttiva della preistoria recente, l’organizzazione delle attività di produzione e consumo all’interno degli spazi insediamentali è elemento strutturale rispondente all’articolazione e agli equilibri tra individui o gruppi di individui. Il relativo studio è dunque cruciale per la comprensione dei processi di diversificazione intracomunitaria e poi affermazione delle disuguaglianze. La ricerca esposta in questo lavoro ha avuto al centro questa sfida scientifica e l’ha affrontata attraverso un approccio interdisciplinare e una lettura contestuale, in chiave funzionale e della distribuzione spaziale, dei manufatti e dei resti bioarcheologici provenienti da uno dei contesti dell’età del Bronzo più importanti del Mediterraneo centrale nel quadro del II millennio a.C.: l’insediamento fortificato di Coppa Nevigata. Questo libro ha vinto il “Premio Tesi di Dottorato 2020” istituito da Sapienza Università Editrice.
Le geometrie del Castello di Anet
Lo scopo di questa ricerca è stato quello di individuare come si sia sviluppato il ‘linguaggio grafico’ di Philibert de l’Orme, tentando di dimostrare che tale linguaggio stereotomico non derivi da un modello astratto, ma da una traduzione in grafici di un pensiero che si è formato con la pratica di cantiere e da una serie di altre pratiche ad esso connesse. Le sezioni di stereotomia contenute nel Le Premier tome de l’Architecture di de l’Orme e i relativi traits sono divenuti gli strumenti principali che hanno aiutato la decifrazione dell’evoluzione del linguaggio grafico dell’autore, unitamente all’indagine del contesto storico-scientifico e le relative influenze, che pro...
Etica ebraica e spirito del capitalismo in Werner Sombart
L’oggetto di ricerca del presente lavoro consiste nell’analisi critica del legame che il sociologo classico Werner Sombart individua tra etica ebraica e spirito del capitalismo, attraverso un’indagine polifattoriale degli elementi che si pongono all’origine dello spirito del capitalismo stesso, messa in atto mediante la lente propria dell’impostazione sociologica. L’obiettivo consiste nel ricostruire le processualità che hanno dato origine allo spirito del capitalismo e che oggi appaiono profondamente trasformate. L’intento è, altresì, di comprendere le derive dell’attuale capitalismo alla luce della sua storia culturale e, dunque, di storicizzare lo spirito del capitalismo per attualizzarlo nel senso di coglierne le dinamiche contemporanee. Questo libro ha vinto il “Premio Tesi di Dottorato 2020” istituito da Sapienza Università Editrice.
Tubulin and Microtubules as Drug Targets for Potential Cancer Chemotherapy and CNS-Directed Therapies
Microtubules are essential cellular constituents of eukaryotes formed by tubulin subunits. This book is a collection of medicinal chemistry research projects that utilizes microtubules as drug targets for human diseases of global health impact. The main chapters (2 – 4) include an in-depth description of different synthetic and biological approaches to characterize the therapeutic potential of novel synthetic molecules for cancer, Alzheimer’s disease, and neglected tropical diseases. This book also includes three short chapters (5 – 7) of additional collaborative projects focused on varied drug discovery topics, including SAR studies of new lead compounds targeting carbonic anhydrase enzymes, FAAH and TRPV1, and novel bioisosteres of the carboxylic acid functional group.
