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From Modern Power to a Postmodern Example: The Evolution of the European Union
김남국,Viviana Passoni 한국외국어대학교 국제지역연구센터 2010 International Area Studies Review Vol.13 No.3
The world has its eyes set on the future direction of the European Union waiting for either a signal of stability and authority which can be the beginning of a new superpower era or expecting to catch any failure or contradiction that can be interpreted as a clear symbol of decline. Why is so much attention paid towards the development of European Union and to its future evolution? The answer can be summarized by the fact that Europe is the contemporary model of a unique and exceptional international player, which has gone through a period of political-military power in the 19th century and then shifted to the new direction of civilian-institutional power in the 21st century. The world wishes to find out whether this strategy will pay back, set an example of a different choice for other nations in the near future to adopt, and become the goal to reach for the world as a whole. There are various opinions sometimes conflicting with one another; this paper takes a look at the major views on the evolution of the EU and touches some of the major challenges for the future of the Union worthy of consideration and deeper reflection.
Antifungal Activity of Silver Salts of Keggin-Type Heteropolyacids Against Sporothrix spp.
Luciana Da Silva Mathias,João Carlos De Aquino Almeida,Luis César Passoni,Cristiani Miranda David Gossani,Gabriel Bonan Taveira,Valdirene Moreira Gomes,Olney Vieira-Da-Motta 한국미생물·생명공학회 2020 Journal of microbiology and biotechnology Vol.30 No.4
Sporotrichosis is a chronic and subacute mycosis causing epidemiological outbreaks involving sick cats and humans in southeastern Brazil. The systemic disease prevails in cats and in humans, with the symptoms restricted to the skin of immunocompetent individuals. Under these conditions, the prolonged treatment of animals and cases of recurrence justify the discovery of new treatments for sporotrichosis. This work addresses the antifungal activity of silver salts of Keggin-type heteropolyacid salts (Ag-HPA salts) such as Ag3[PW12O40], Ag6[SiW10V2O40], Ag4[SiW12O40] and Ag3[PMo12O40] and interactions with the antifungal drugs itraconazole (ITC), terbinafine (TBF) and amphotericin B (AMB) on the yeast and mycelia forms of Sporothrix spp. Sporothrix spp. yeast cells were susceptible to Ag-HPA salts at minimum inhibitory concentration (MIC) values ranging from 8 to 128 μg/ml. Interactions between Ag3[PW12O40] and Ag3[PMo12O40] with itraconazole and amphotericin B resulted in higher antifungal activity with a reduction in growth and melanization. Treated cells showed changes in cell membrane integrity, vacuolization, cytoplasm disorder, and membrane detachment. Promising antifungal activity for treating sporotrichosis was observed for the Ag-HPA salts Ag3[PMo12O40] and Ag3[PW12O40], which have a low cost, high yield and activity at low concentrations. However, further evaluation of in vivo tests is still required.
Development of foam-based layered targets for laser-driven ion beam production
Prencipe, I,Sgattoni, A,Dellasega, D,Fedeli, L,Cialfi, L,Choi, Il Woo,Kim, I Jong,Janulewicz, K A,Kakolee, K F,Lee, Hwang Woon,Sung, Jae Hee,Lee, Seong Ku,Nam, Chang Hee,Passoni, M IOP 2016 Plasma physics and controlled fusion Vol.58 No.3
<P>We report on the development of foam-based double-layer targets (DLTs) for laser-driven ion acceleration. Foam layers with a density of a few mg cm<SUP>−3</SUP> and controlled thickness in the 8–36 <I>μ</I>m range were grown on <I>μ</I>m-thick Al foils by pulsed laser deposition (PLD). The DLTs were experimentally investigated by varying the pulse intensity, laser polarisation and target properties. Comparing DLTs with simple Al foils, we observed a systematic enhancement of the maximum and average energies and number of accelerated ions. Maximum energies up to 30 MeV for protons and 130 MeV for C<SUP>6+</SUP> ions were detected. Dedicated three-dimensional particle-in-cell (3D-PIC) simulations were performed considering both uniform and cluster-assembled foams to interpret the effect of the foam nanostructure on the acceleration process.</P>