60 research outputs found

    Marzamemi, an Interesting Case Study of Film-Induced Tourism

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    The economy of Marzamemi, a small fishing village in the territory of Pachino, has always been linked to the sea. In the past the main activities were those connected with the tonnara, with the salting of fish and with the maritime commerce of the agricultural products. Later, the village became an important beach resort on a local scale. In the second half of the 1980s, the redevelopment of the waterfront, in the south of Marzamemi, stimulated a mainly local demand from young people attracted by some newly opened outlets connected, above all, with drink and food services. Then, in 1993 the cinema industry arrived in Marzamemi. Since then the old architectural heritage of the historic centre has been restored and used for tourism. Over the last few years, from the last ten days of July until the end of August, the tiny streets and the piazzas of the village have appeared overcrowded with tourists. A dynamism that the official statistical surveys are not able to describe. L’economia di Marzamemi, piccola frazione marinara del comune di Pachino, è stata sempre legata al mare. In passato le principali attività erano quelle connesse alla tonnara, alla salagione del pesce e al commercio marittimo dei prodotti agricoli. Successivamente il borgo è diventato una località balneare di rilevanza provinciale. Nella seconda metà degli anni ‘80 dello scorso secolo, la riqualificazione del lungomare, nell’area sud di Marzamemi, ha stimolato una domanda giovanile, prettamente locale, attratta dall’apertura di alcune attività commerciali connesse, soprattutto, alla ristorazione. Poi, nel 1993 l’industria cinematografica è approdata a Marzamemi. Da allora, l’antico patrimonio edilizio del centro storico della borgata è stato recuperato e destinato a fini turistici. Negli ultimi anni, dall’ultima decade di luglio alla fine di agosto, le stradine e le piazze del borgo appaiono sovraffollate di turisti. Un dinamismo che le statistiche ufficiali non riescono a descrivere

    Trade as a cultural identity aspect in a city. A case study on Catania

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    In the present-day post-industrial society and in a globalised economy there is a strong tendency towards standardization and homologation. If we consider one of the most traditional urban functions - the commercial one - analysing what is happening in the centre of the cities of all the developed countries of the world, we notice a process of standardization regarding the offer, both in the sense of the single articles sold and in the sense of the commercial area in all its complexity (uniformity of the showcases for the exposure, diminution of the historical shops with sale of distinctive articles, diffusion of the branches of national and international chains and the phenomenon of franchising). Therefore, the central areas of our cities tend to be more and more alike. Obviously this is fruit of a more complex process, that is concretized in the tendency towards the diversification of the distributive network through the rapid diffusion of hypermarkets and commercial centres in the outskirts of cities and in the changed behaviour of the consumers, more and more directed to American styles of consumption. What kind of role will the more traditional commercial structures that characterize the Italian historical centres have in the future? Despite the fact that these last ones are, at the moment, under considerable pressure that pushes towards a more radical change, there is the possibility however that the particular "commercial landscape" that characterizes them could itself become a new model of development capable of promoting the urban culture, close to the functionalistic model, currently in expansion, totally directed towards the peripheral spaces. Catania is a city where we find, to a great extent, the evolutionary characteristics of the southern urban system, but in which we find even more the changes and the tendencies present in the cities of the more developed regions when processes of decentralization of economic activities, residential activities and of the social structures are outlined. The commercial patrimony of Catania, besides the cultural one, represents one of the pivots on which the identity of the city is based. It represents a resource for the development of the town and a stimulation of tourism. This research investigates the solidity and the potentialities of traditional commerce in the central areas of the city of Catania in relation to the dynamics of development of the external commercial centres.

    Whole-Genome Sequencing Characterization of Virulence Profiles of Listeria monocytogenes Food and Human Isolates and In Vitro Adhesion/Invasion Assessment

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    none13sìListeria monocytogenes (Lm) is the causative agent of human listeriosis. Lm strains have different virulence potential. For this reason, we preliminarily characterised via Whole-Genome Sequencing (WGS) some Lm strains for their key genomic features and virulence-associated determinants, assigning the clonal complex (CC). Moreover, the ability of the same strains to adhere to and invade human colon carcinoma cell line Caco-2, evaluating the possible correspondence with their genetic virulence profile, was also assessed. The clinical strains typed belonged to clonal complex (CC)1, CC31, and CC101 and showed a very low invasiveness. The Lm strains isolated from food were assigned to CC1, CC7, CC9, and CC121. All CC1 carried the hypervirulence pathogenicity island LIPI-3 in addition to LIPI-1. Premature stop codons in the inlA gene were found only in Lm of food origin belonging to CC9 and CC121. The presence of LIPI2_inlII was observed in all the CCs except CC1. The CC7 strain, belonging to an epidemic cluster, also carried the internalin genes inlG and inlL and showed the highest level of invasion. In contrast, the human CC31 strain lacked the lapB and vip genes and presented the lowest level of invasiveness. In Lm, the genetic determinants of hypo- or hypervirulence are not necessarily predictive of a cell adhesion and/or invasion ability in vitro. Moreover, since listeriosis results from the interplay between host and virulence features of the pathogen, even hypovirulent clones are able to cause infection in immunocompromised people.openGiuditta Fiorella Schiavano * , Collins Njie Ateba , Annalisa Petruzzelli , Veronica Mele , Giulia Amagliani , Fabrizia Guidi , Mauro De Santi , Francesco Pomilio , Giuliana Blasi , Antonietta Gattuso , Stefania Di Lullo , Elena Rocchegiani, Giorgio BrandiSchiavano, GIUDITTA FIORELLA; Njie Ateba, Collins; Petruzzelli, Annalisa; Mele, Veronica; Amagliani, Giulia; Guidi, Fabrizia; DE SANTI, Mauro; Pomilio, Francesco; Blasi, Giuliana; Gattuso, Antonietta; Di Lullo, Stefania; Rocchegiani, Elena; Brandi, Giorgi

    XIPE: the X-ray Imaging Polarimetry Explorer

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    X-ray polarimetry, sometimes alone, and sometimes coupled to spectral and temporal variability measurements and to imaging, allows a wealth of physical phenomena in astrophysics to be studied. X-ray polarimetry investigates the acceleration process, for example, including those typical of magnetic reconnection in solar flares, but also emission in the strong magnetic fields of neutron stars and white dwarfs. It detects scattering in asymmetric structures such as accretion disks and columns, and in the so-called molecular torus and ionization cones. In addition, it allows fundamental physics in regimes of gravity and of magnetic field intensity not accessible to experiments on the Earth to be probed. Finally, models that describe fundamental interactions (e.g. quantum gravity and the extension of the Standard Model) can be tested. We describe in this paper the X-ray Imaging Polarimetry Explorer (XIPE), proposed in June 2012 to the first ESA call for a small mission with a launch in 2017 but not selected. XIPE is composed of two out of the three existing JET-X telescopes with two Gas Pixel Detectors (GPD) filled with a He-DME mixture at their focus and two additional GPDs filled with pressurized Ar-DME facing the sun. The Minimum Detectable Polarization is 14 % at 1 mCrab in 10E5 s (2-10 keV) and 0.6 % for an X10 class flare. The Half Energy Width, measured at PANTER X-ray test facility (MPE, Germany) with JET-X optics is 24 arcsec. XIPE takes advantage of a low-earth equatorial orbit with Malindi as down-link station and of a Mission Operation Center (MOC) at INPE (Brazil).Comment: 49 pages, 14 figures, 6 tables. Paper published in Experimental Astronomy http://link.springer.com/journal/1068

    Prolonged higher dose methylprednisolone vs. conventional dexamethasone in COVID-19 pneumonia: a randomised controlled trial (MEDEAS)

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    Dysregulated systemic inflammation is the primary driver of mortality in severe COVID-19 pneumonia. Current guidelines favor a 7-10-day course of any glucocorticoid equivalent to dexamethasone 6 mg·day-1. A comparative RCT with a higher dose and a longer duration of intervention was lacking

    Risk factors for infections caused by carbapenem-resistant Enterobacterales: an international matched case-control-control study (EURECA)

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    Cases were patients with complicated urinary tract infection (cUTI), complicated intraabdominal (cIAI), pneumonia or bacteraemia from other sources (BSI-OS) due to CRE; control groups were patients with infection caused by carbapenem-susceptible Enterobacterales (CSE), and by non-infected patients, respectively. Matching criteria included type of infection for CSE group, ward and duration of hospital admission. Conditional logistic regression was used to identify risk factors. Findings Overall, 235 CRE case patients, 235 CSE controls and 705 non-infected controls were included. The CRE infections were cUTI (133, 56.7%), pneumonia (44, 18.7%), cIAI and BSI-OS (29, 12.3% each). Carbapenemase genes were found in 228 isolates: OXA-48/like, 112 (47.6%), KPC, 84 (35.7%), and metallo-beta-lactamases, 44 (18.7%); 13 produced two. The risk factors for CRE infection in both type of controls were (adjusted OR for CSE controls; 95% CI; p value) previous colonisation/infection by CRE (6.94; 2.74-15.53; <0.001), urinary catheter (1.78; 1.03-3.07; 0.038) and exposure to broad spectrum antibiotics, as categorical (2.20; 1.25-3.88; 0.006) and time-dependent (1.04 per day; 1.00-1.07; 0.014); chronic renal failure (2.81; 1.40-5.64; 0.004) and admission from home (0.44; 0.23-0.85; 0.014) were significant only for CSE controls. Subgroup analyses provided similar results. Interpretation The main risk factors for CRE infections in hospitals with high incidence included previous coloni-zation, urinary catheter and exposure to broad spectrum antibiotics

    How future surgery will benefit from SARS-COV-2-related measures: a SPIGC survey conveying the perspective of Italian surgeons

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    COVID-19 negatively affected surgical activity, but the potential benefits resulting from adopted measures remain unclear. The aim of this study was to evaluate the change in surgical activity and potential benefit from COVID-19 measures in perspective of Italian surgeons on behalf of SPIGC. A nationwide online survey on surgical practice before, during, and after COVID-19 pandemic was conducted in March-April 2022 (NCT:05323851). Effects of COVID-19 hospital-related measures on surgical patients' management and personal professional development across surgical specialties were explored. Data on demographics, pre-operative/peri-operative/post-operative management, and professional development were collected. Outcomes were matched with the corresponding volume. Four hundred and seventy-three respondents were included in final analysis across 14 surgical specialties. Since SARS-CoV-2 pandemic, application of telematic consultations (4.1% vs. 21.6%; p &lt; 0.0001) and diagnostic evaluations (16.4% vs. 42.2%; p &lt; 0.0001) increased. Elective surgical activities significantly reduced and surgeons opted more frequently for conservative management with a possible indication for elective (26.3% vs. 35.7%; p &lt; 0.0001) or urgent (20.4% vs. 38.5%; p &lt; 0.0001) surgery. All new COVID-related measures are perceived to be maintained in the future. Surgeons' personal education online increased from 12.6% (pre-COVID) to 86.6% (post-COVID; p &lt; 0.0001). Online educational activities are considered a beneficial effect from COVID pandemic (56.4%). COVID-19 had a great impact on surgical specialties, with significant reduction of operation volume. However, some forced changes turned out to be benefits. Isolation measures pushed the use of telemedicine and telemetric devices for outpatient practice and favored communication for educational purposes and surgeon-patient/family communication. From the Italian surgeons' perspective, COVID-related measures will continue to influence future surgical clinical practice

    Plant–environment interactions through a functional traits perspective: a review of Italian studies

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    Italy is among the European countries with the greatest plant diversity due to both a great environmental heterogeneity and a long history of man–environment interactions. Trait-based approaches to ecological studies have developed greatly over recent decades worldwide, although several issues concerning the relationships between plant functional traits and the environment still lack sufficient empirical evaluation. To draw insights on the association between plant functional traits and direct and indirect human and natural pressures on the environmental drivers, this article summarizes the existing knowledge on this topic by reviewing the results of studies performed in Italy adopting a functional trait approach on vascular plants, bryophytes and lichens. Although we recorded trait measurements for 1418 taxa, our review highlighted some major gaps in plant traits knowledge: Mediterranean ecosystems are poorly represented; traits related to belowground organs are still overlooked; traits measurements for bryophytes and lichens are lacking. Finally, intraspecific variation has been little studied at community level so far. We conclude by highlighting the need for approaches evaluating trait–environment relationship at large spatial and temporal scales and the need of a more effective contribution to online databases to tie more firmly Italian researchers to international scientific networks on plant traits

    XIPE: the x-ray imaging polarimetry explorer

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    XIPE, the X-ray Imaging Polarimetry Explorer, is a mission dedicated to X-ray Astronomy. At the time of writing XIPE is in a competitive phase A as fourth medium size mission of ESA (M4). It promises to reopen the polarimetry window in high energy Astrophysics after more than 4 decades thanks to a detector that efficiently exploits the photoelectric effect and to X-ray optics with large effective area. XIPE uniqueness is time-spectrally-spatially- resolved X-ray polarimetry as a breakthrough in high energy astrophysics and fundamental physics. Indeed the payload consists of three Gas Pixel Detectors at the focus of three X-ray optics with a total effective area larger than one XMM mirror but with a low weight. The payload is compatible with the fairing of the Vega launcher. XIPE is designed as an observatory for X-ray astronomers with 75 % of the time dedicated to a Guest Observer competitive program and it is organized as a consortium across Europe with main contributions from Italy, Germany, Spain, United Kingdom, Poland, Sweden
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