662 research outputs found

    I Piani di zona e l’azione collettiva: innovazioni e criticità

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    Quali sono gli esiti dei processi programmatori dei Piani di Zona in merito alla capacità di attivare competenze e partecipazione ed attivare risorse? Presentiamo qui una sintesi della ricerca “Programmare i territori del welfare. Attori, meccanismi ed effetti” relativa ai Piani di Zona della Provincia di Milan

    Set of Classical PCRs for Detection of Mutations in Candida glabrata FKS Genes Linked with Echinocandin Resistance

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    Clinical echinocandin resistance among Candida glabrata strains is increasing, especially in the United States. Antifungal susceptibility testing is considered mandatory to guide therapeutic decisions. However, these methodologies are not routinely performed in the hospital setting due to their complexity and the time needed to obtain reliable results. Echinocandin failure in C. glabrata is linked exclusively to Fks1p and Fks2p amino acid substitutions, and detection of such substitutions would serve as a surrogate marker to identify resistant isolates. In this work, we report an inexpensive, simple, and quick classical PCR set able to objectively detect the most common mechanisms of echinocandin resistance in C. glabrata within 4 h. The usefulness of this assay was assessed using a blind collection of 50 C. glabrata strains, including 16 FKS1 and/or FKS2 mutants.Fil: Dudiuk, Catiana Beatriz. Universidad Nacional del Litoral. Facultad de BioquĂ­mica y Ciencias BiolĂłgicas; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Santa Fe; ArgentinaFil: Gamarra, Maria Soledad. Universidad Nacional del Litoral. Facultad de BioquĂ­mica y Ciencias BiolĂłgicas; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Santa Fe; ArgentinaFil: Leonardelli, Florencia. Universidad Nacional del Litoral. Facultad de BioquĂ­mica y Ciencias BiolĂłgicas; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Santa Fe; ArgentinaFil: Jimenez Ortigoza, Cristina. State University of New Jersey; Estados UnidosFil: Vitale, Roxana Gabriela. Gobierno de la Ciudad de Buenos Aires. Hospital General de Agudos ; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Afeltra, Javier. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y BioquĂ­mica; ArgentinaFil: Perlin, David S.. State University of New Jersey; Estados UnidosFil: Garcia, Guillermo Manuel. Universidad Nacional del Litoral. Facultad de BioquĂ­mica y Ciencias BiolĂłgicas; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Santa Fe; Argentin

    Postharvest biocontrol ability of Pseudomonas synxantha against Monilinia fructicola and Monilinia fructigena on stone fruit

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    The biocontrol properties of the endophyte Pseudomonas synxantha DLS65 were tested in vitro and in vivo against Monilinia fructicola and Monilinia fructigena, causal agents of postharvest brown rot of stone fruit. P. synxantha cells significantly reduced the mycelial growth of both pathogens on Potato Dextrose Agar (PDA), and strongly inhibited the Monilinia fructicola growth on Peach Extract Agar (PEA). Cell-free culture filtrates inhibited the pathogens on PDA and PEA to lesser extent. The production of volatile organic compounds (VOCs), with in vitro inhibitory effects on mycelial growth, was also observed. P. synxantha significantly reduced brown rot incidence and severity on peach fruit artificially inoculated with M. fructicola after 5 d at 25 °C. Moreover, P. synxantha more significantly reduced incidence and severity after 10 d at 10 °C and after 20 d in cold storage at 0 °C in comparison to control fruit, even if its activity was never comparable to that of the synthetic fungicide Scholar® (fludioxonil). Similarly, P. synxantha exhibited an excellent antagonistic activity against M. fructigena on fruit at 10 and at 0 °C, and a weak biocontrol activity at 25 °C. Competition for nutrients and space, production of diffusible toxic metabolites and VOCs may play a role in the antagonism of P. synxantha toward M. fructicola and M. fructigena, especially at the lowest temperatures of storage. For that reason, this strain of P. synxantha could be suggested as active ingredient for the setting up of bioformulates against Monilinia species representing a limiting factor for stone fruit production

    Deterrence in competition law

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    This paper provides a comprehensive discussion of the deterrence properties of a competition policy regime. On the basis of the economic theory of law enforcement we identify several factors that are likely to affect its degree of deterrence: 1) sanctions and damages; 2) financial and human resources; 3) powers during the investigation; 4) quality of the law; 5) independence and 6) separation of power. We then discuss how to measure deterrence. We review the literature that uses surveys to solicit direct information on changes in the behavior of firms due to the threats posed by the enforcement of antitrust rules, and the literature based on the analysis of hard data. We finally argue that the most challenging task, both theoretically and empirically, is how to distinguish between 'good' deterrence and "bad" deterrence." (author's abstract)"Dieser Beitrag bietet eine umfassende Diskussion über die Abschreckungseigenschaften eines wettbewerbspolitischen Systems. Auf der Grundlage der ökonomischen Theorie der Rechtsdurchsetzung werden mehrere Faktoren identifizier, welche den Abschreckungsgrad des Systems am ehesten beeinflussen können. Diese sind: 1) Sanktionen und Schadensersatzforderungen, 2) finanzielle Ressourcen und Personal der Wettbewerbsbehörde, 3) die Befugnisse der wettbewerbspolitischen Autorität im Rahmen der Untersuchung, 4) die Qualität des Rechtsrahmens, 5) die Unabhängigkeit der Behörde und 6) die Gewaltenteilung. Anschließend wird diskutiert, wie man den Abschreckungsgrad eines wettbewerbspolitischen Systems empirisch messen kann. Zuerst wird die Literatur besprochen, die auf Befragungen beruht. Die Befragungen sollten Aufschluss darüber geben, wie sich das Unternehmensverhalten angesichts der Durchsetzung von wettbewerbspolitischen Maßnahmen ändert. Dem gegenüber wird die Literatur dargestellt, die 'harte' Daten nutzt. Schließlich wird argumentiert, dass die anspruchsvollste Aufgabe sowohl theoretisch als auch empirisch darin bestehen wird, zwischen 'guter' und 'schlechter' Abschreckung durch Wettbewerbspolitik zu unterscheiden." (Autorenreferat

    Discovery of a Remarkable Methyl Shift Effect in the Vanilloid Activity of Triterpene Amides

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    As part of a study on triterpenoid conjugates, the dietary pentacyclic triterpenoids oleanolic (2a) and ursolic acids (3a) were coupled with vanillamine, and the resulting amides (2b and 3b, respectively) were assayed for activity on the vanilloid receptor TRPV1. Despite a structural difference limited to the location of a methyl group in their conformationally rigid pentacyclic core, oleanoloyl vanillamide dramatically outperformed ursoloyl vanillamide in terms of potency (EC50 = 35 ± 2 nM for 2b and 5.4 ± 2.3 μM for 3b). Using molecular docking and dynamics, this difference was translated into distinct accommodation modes at the TRPV1 vanillyl ligand pocket, suggesting a critical role of a C-H πphenyl interaction between the triterpenoid C-29 methyl and Phe591 of TRPV1. Because the molecular mechanisms underlying the activation process of transient receptor channels (TRPs) remain to be fully elucidated, the observation of spatially restricted structure-activity information is of significant relevance to identify the molecular detail of TRPV1 ligand gating

    Surface disinfection: evaluation of the efficacy of a nebulization system spraying hydrogen peroxide

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    Introduction. The study assessed the efficacy of a system of nebulization of a hydrogen peroxide-based solution for surface disinfection. Methods. Different concentrations (1, 2 and 4 ml/m3) of the same disinfectant solution (active principle: hydrogen peroxide) were nebulized inside a 50 m3 experimental environment. Sampling was carried out on both horizontal and vertical surfaces, and the total bacterial load at 37 °C was determined by means of direct contact with Rodac plates. The disinfection efficacy of the system was evaluated by comparing the total bacterial load measured on the surfaces before and after treatment. Statistical analysis was performed by means of Stata/SE9® software. Results. The percentage reduction in the mean bacterial load on horizontal surfaces as a result of treatment at concentrations of 1, 2 and 4 ml/m3 proved to be 54.9%, 70.9% and 86.9%, respec- tively. With regard to vertical surfaces, the percentage reduction was 100% in all experimental conditions. Discussion and conclusions. The system tested proved to be efficacious in disinfecting surfaces inside environments of 50 m3 in volume. It could therefore be used to disinfect surfaces in hos- pital and community settings. In healthcare facilities, disinfection by means of nebulization systems could help to reduce the risk of spreading nosocomial infections

    Long-term efficacy and safety profile of multiple injections of intravitreal dexamethasone implant to manage diabetic macular edema: A systematic review of real-world studies

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    Introduction: Systematic review of real-world studies about repeated dexamethasone intravitreal implant (DEXi) 0.7 mg in diabetic macular edema management, in order to identify the effective window of time occurring between injections, the critical evaluation of efficacy of the treatment, and the relative long-term safety in the real life setting. Methods: Literature databases such as PubMed, SCOPUS, and EMBASE were used to identify reports including DEX implant injections. Results: Twenty-one peer-reviewed publications were identified. DEX implants retreatment was considered on a pro re nata (PRN) basis at any time or starting from month three or four. About 1/3 of the eyes were retreated before six months from first injection (range 0–86.7%). Mean retreatment average time was 5.3 ± 0.9 months, with an estimated average of 1.3 injections each six months. There was no statistical correlation between average retreatment time and incidence of adverse events or other variables investigated. Limited safety issues related to implants number have been found, suggesting an overall good tolerance of long-term DEXi. Conclusions: Comprehensive evaluation of real-world data suggests an average DEXi duration close to five months, following a PRN treatment strategy, including about 1/3 of patients. Repeated DEXi administration revealed an acceptable long-term efficacy/safety ratio. Keywords: Diabetic macular edema, Dexamethasone, Intravitreal implant, Systematic review, Ocular drug deliver

    Programmare i territori del welfare. Attori, meccanismi ed effetti

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    In una fase di austerità e di riduzione della spesa sociale, la programmazione dei servizi sociali è considerata un tema strategico, ed effettivamente amministrazioni, operatori, associazioni, cooperative e sindacati vi hanno investito molto. Il volume discute gli esiti che questa programmazione ha avuto in provincia di Milano sull’offerta di servizi, sulle modalità di governarli, nonché sulla motivazione di operatori e sindacalisti che vi hanno partecipato. Il testo compara casi in cui le amministrazioni hanno migliorato la loro capacità di lavorare insieme, conoscere il proprio territorio e le sue risorse, e programmare un’offerta di beni collettivi per la solidarietà; ma anche situazioni di crisi e di fallimento della programmazione. Discutendo i meccanismi sottostanti i diversi esiti, l’analisi contribuisce alla conoscenza delle modalità di regolazione e organizzazione che rendono possibile il coordinamento fra gli attori e l’innovazione sociale. (Résumé éditeur
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