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Selected AbstractsIf We Value Individual Responsibility, Which Policies Should We Favour?JOURNAL OF APPLIED PHILOSOPHY, Issue 1 2005ALEXANDER BROWN ABSTRACT Individual responsibility is now very much on the political agenda. Even those who believe that its importance has been exaggerated by the political right , either because the appropriate conditions for assigning responsibility to individuals are rarely satisfied or because not enough is done to protect individuals from the more harmful consequences of their past choices and gambles , accept that individual responsibility is at least one of the values against which a society and its institutions ought to be evaluated. One might be forgiven for assuming, then, that we know exactly why individual responsibility is important. The truth is otherwise. Surprisingly little philosophical work has been undertaken to analyse and separate out the different rationales that might be in play. Several possible reasons are examined here including: utility, the social bases of self-respect, autonomy, human flourishing and fairness. However, once we adopt a pluralistic view of the value of individual responsibility we open up the possibility of value conflict, which conflict can make it harder to arrive at definitive prescriptions about which social policies best advance our concerns for individual responsibility. It is nevertheless possible to draw at least some conclusions about which policies we should favour. One important conclusion is that sometimes it is better not to hold individuals responsible for their past choices by denying them aid now, so that they might be better able to assume individual responsibility at a later date. [source] Interferon-, therapy: Evaluation of routes of administration and delivery systemsJOURNAL OF PHARMACEUTICAL SCIENCES, Issue 1 2002Husam M. Younes Abstract Although different routes and delivery systems have been used to deliver interferon-, (IFN-,) for the treatment of a variety of viral and neoplastic diseases, little has been reported regarding the most efficient and least toxic routes and drug delivery modes required to achieve these goals. To have a greater understanding of the best strategies to use to administer this cytokine in an efficient, stable, and safe manner, this review details aspects of IFN-, concerning its mechanism of action, physical properties, and pharmacokinetics. One important conclusion that is drawn from this analysis is that a consistent, local concentration of IFN-, is necessary to achieve an optimal therapeutic response. A critical discussion covering the advantages and limitations of the currently used methodologies to deliver IFN-, in such a fashion is presented. © 2002 Wiley-Liss, Inc. and the American Pharmaceutical Association J Pharm Sci 91:2,17, 2002 [source] Fast pyrolysis technology developmentBIOFUELS, BIOPRODUCTS AND BIOREFINING, Issue 2 2010RH Venderbosch Abstract While the intention of slow pyrolysis is to produce mainly charcoal, fast pyrolysis is meant to convert biomass to a maximum quantity of liquids (bio-oil). Both processes have in common that the biomass feedstock is densified to reduce storage space and transport costs. A comfortable, more stable and cleaner intermediate energy carrier is obtained, which is much more uniform and well defined. In this review, the principles of fast pyrolysis are discussed, and the main technologies reviewed (demo scale: fluid bed, rotating cone and vacuum pyrolysis; pilot plant: ablative and twin screw pyrolysis). Possible product applications are discussed in relation to the bio-oil properties. General mass and energy balance are provided as well, together with some remarks on the economics. Challenges for the coming years are (1) improvement of the reliability of pyrolysis reactors and processes; (2) the demonstration of the oil's utilization in boilers, engines and turbines; and (3) the development of technologies for the production of chemicals and biofuels from pyrolysis oils. One important conclusion in relation to biofuel production is that the type of oxygen functionalities (viz. as an alcohol, ketone, aldehyde, ether, or ester) in the oil should be controlled, rather then merely focusing on a reduction of just the oxygen content itself. Copyright © 2010 Society of Chemical Industry and John Wiley & Sons, Ltd [source] Diagnosis of perinatal stroke II: mechanisms and clinical phenotypesACTA PAEDIATRICA, Issue 11 2009P Govaert Abstract Introduction:, Here (and in an accompanying article dealing with definitions, differential diagnosis and registration), a structured sequential diagnostic flow is proposed to discern clinical phenotypes for perinatal stroke, including arterial ischaemic stroke (AIS), cerebral sinovenous thrombosis (CSVT) and haemorrhagic stroke. Material and results:, For neonatal AIS, the diagnostic sequence is infection, trauma, embolism, arteriopathy, other, primary thrombosis and unclassifiable; for neonatal CSVT, the sequence is infection, trauma, venopathy, other, primary thrombosis and unclassifiable. The proposed hierarchical diagnostic flows are an initial step towards a standard for registration of the causes of neonatal stroke. Such standardization should guide attempts at prevention and intervention. An extensive literature search and study of a retrospective cohort of 134 newborn infants with stroke suggest that embolism is the most common identifiable cause for stroke in general (25%), preceding trauma (10%) and infection (8%). Other causes, such as asphyxia, acute blood loss, extracorporeal membrane oxygenation, genetic disorders or prothrombotic conditions, are seen in <5% of cases. For neonatal AIS, the presence of an embolic phenotype is 33% in this cohort. The designation unclassifiable scored 34% for the entire stroke group and 25% for neonatal AIS. Complex arterial stroke with multiple arteries involved is often seen when the underlying cause is infection, cranial trauma or embolism. One important conclusion is that a means of prevention is avoidance of embolism from thrombosis outside the brain. Conclusion:, To prevent the occurrence and recurrence of neonatal ischaemic stroke, clinicians must develop a standardized diagnostic approach that results in characterization of the clinical phenotype. [source] |