177,336 research outputs found
From ‘cyberterrorism’ to ‘cyberwar’, back and forth: how the United States securitized cyberspace
No full textThe chapter analyzes how the United States government secutitized the issue of cyberterrorism. In so doing, it put that issue outside of the public scrutiny. The Clinton administration had identified non-state actors (such as al-Qaeda) as the main threat to the United States, whereas the Bush administration first did not want to recognize non-state actors as threats (to the US information nfrastructure system) and only changed its attitude after Spetember 11
La scuola regionale per il restauro: dall’emergenza al nuovo percorso formativo
No full textUn breve racconto a più voci dai protagonisti della Scuola regionale per il restauro. Dall’incontro del 10 maggio 1976 con il commissario del Governo per il terremoto Zamberletti nella fase della primissima emergenza quando si diede il via alla creazione dei centri di raccolta dove furono trasferite 3847 opere danneggiate, al successivo momento di riflessione e la consapevolezza della necessità di creare in regione le competenze necessarie con la nascita nel 1977 della Scuola e dei corsi di restauro (Luciana Marioni Bros). Dall’organizzazione di corsi quinquennali dedicati ai beni archivistici, librari e al materiale fotografico, cinematografico e digitale all’accreditamento presso lo Stato che autorizza la Scuola a rilasciare un titolo equivalente alla laurea magistrale in Conservazione dei Beni Culturali (Alessandro Giacomello). Dalla trasformazione del Centro regionale di catalogazione e restauro in IPAC - Istituto per il Patrimonio Culturale, alle nuove prospettive aperte oggi dalla nascita dell’ERPAC - Ente regionale per il Patrimonio Culturale (Rita Auriemma)
Close to the Edge: Cyberterrorism Today
No full textThe chapter examines the current status of the cyberterrorism phenomenon. It makes a distinction between tools and techniques to "support" terrorism (like online training and propaganda) and actual cyber attacks to critical infrastructures, such as energy grid or the banking/financial systems. The author concludes that, while the former is quite widespread and growing, instances of the latter are still (and will continue to be) lacking
Bubble formation in nanopores: a matter of hydrophobicity, geometry, and size
No full textThis review focuses on the phase behaviour of liquids in nanoscale confinement, which promotes drying by a combination of hydrophobicity, small size, and high degree of confinement. In these conditions, the vapour phase can form at exceptionally large pressures or low temperatures as compared to bulk vaporisation, giving rise to the unexpected formation of bubbles. A general framework is introduced which allows to understand the main effects of confinement on the thermodynamics and on the kinetics of drying. The relevance of such phenomena is discussed in the realm of biological nanopores, specifically ion channels, and in nanoporous materials. The emergence of nanoscale effects not accounted for in macroscopic theories is discussed together with the open challenges in this rapidly expanding field
Gas phase reactions of free methyl cations from the decay of [3H4]-methane. A study of their attack on the halobenzenes.
No full textReactions of "free" methyl cations with aromatic substrates. A study of their attack on tert-butylbenzene in the gaseous and liquid phase.
No full textSecurity in the West: Evolution of a Concept
No full textSince its appearance on the world stage, the West (Europe, the United States and Canada, Australia and New Zealand) has been a primary producer of security (for itself) and of insecurity (for itself and for others). Western discourse has not only invented the term security but also expanded and reshaped it according to its own complex evolution. The goals of this volume are to analyze the evolution of the contested concept of security and to discuss how the concept of security has emerged as a “Western social enterprise”. How Western conceptions of security have developed and changed since the end of the Cold War, the nature of new security challenges and their implications for the West and the direction in which evolving concepts of security will lead the West and the entire global community are some of the relevant themes addressed by contributors to this volume.
The manuscript emphasizes scholarly originality, methodological rigor and research. The audience for the book will be scholars and practitioners working in the field of international security, international relations students and as well as policy-makers with interests in the areas of national security.
Security in the West can be adopted as a reader in undergraduate and graduate level courses addressing the security problem, or as recommended reading for disciplines such as world politics, international relations, globalization studies, security and public policy and others
Aging
No full textMuscle fatigue is defined as any decline in muscle performance associated with its activity. Fatigue is triggered by several factors as Ca2 + metabolism, blood flow, oxygen supply, and metabolic-energetic alterations that are strictly correlated with prooxidant/antioxidant equilibrium of the cell. During aging the skeletal muscle undergoes an important mass reduction, alteration of oxidative defense, mitochondrial function, sensitivity to insulin, and inflammatory response, accompanied by the gradual decline in its functions, resulting in the complex syndrome named sarcopenia. Resveratrol is a small polyphenol found in grapevine skin, peanuts, and in some berries known for its antioxidant properties and recently suggested as a potential agent to combat sarcopenia. Resveratrol displays several properties that have been suggested as responsible of the amelioration of the age-related muscular functional decline. Here, we report data and suggested mechanisms on resveratrol capability to modulate the decline of the resistance to fatigue in the aging muscle
Resveratrol, aging, and fatigue
No full textMuscle fatigue is defined as any decline in muscle performance associated with its activity. Fatigue is triggered by several factors as Ca2 + metabolism, blood flow, oxygen supply, and metabolic-energetic alterations that are strictly correlated with prooxidant/antioxidant equilibrium of the cell. During aging the skeletal muscle undergoes an important mass reduction, alteration of oxidative defense, mitochondrial function, sensitivity to insulin, and inflammatory response, accompanied by the gradual decline in its functions, resulting in the complex syndrome named sarcopenia. Resveratrol is a small polyphenol found in grapevine skin, peanuts, and in some berries known for its antioxidant properties and recently suggested as a potential agent to combat sarcopenia. Resveratrol displays several properties that have been suggested as responsible of the amelioration of the age-related muscular functional decline. Here, we report data and suggested mechanisms on resveratrol capability to modulate the decline of the resistance to fatigue in the aging muscle
[Pharmacokinetics and biopharmaceutics of intravenous administration].
No full textUna review circa i principi di farmacocinatica e circa la biofarmaceutica di interesse per il medico farmacologo e non specialista in farmacologia
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