863 resultados para Jeremy Bentham


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This deliverable outlines the design blueprints for the RAGE application scenario games and forms the rest of the scope for WP4’s tasks. The game designs have been developed in collaboration with application scenario partners in WP5, and informed by WP1, 2 & 3. Additionally peer-feedback has been provided by game developers across WP4. The designs outline the integration of the RAGE assets developed in WP2 and WP3. Each section provides in detail the game play descriptions, game dynamics and mechanics, pedagogies and technical implementation of the RAGE assets into the game applications as described in detailed in WP5’s application documents. The full description of the application objectives and associated learning outcomes has been provided in the project’s MS2 Application Scenario Outlines document.

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Recently, a chronic idiopathic disease of the esophagus has emerged, which is now known as eosinophilic esophagitis (EoE). Incomplete knowledge regarding the pathogenesis of EoE has limited treatment options. EoE is known to be a Th2-type immune-mediated disorder. Based on previous studies in both patients and experimental models, it is possible that an abnormal reaction to antigen mediates the pathophysiology of EoE. In this thesis, symptoms and signs unique to EoE were identified by an age-matched, case-controlled study of 326 patients with EoE and gastroesophageal reflux disease. The molecular mechanisms involved in antigen detection in the esophagus, in relation to EoE were then investigated. Esophageal epithelial cells were found, for the first time, to be capable of acting as non-professional antigen presenting cells, with the ability to engulf, process and present antigen on MHC class II to T helper lymphocytes. Antigen presentation by esophageal epithelial cells was induced by interferon-γ, which is increased in biopsies from patients with EoE. Next, it was discovered that esophageal epithelial cell lines expressed functional toll-like receptor (TLR) 2 and TLR3, but in esophageal mucosal biopsies only infiltrating immune cells (including eosinophils) expressed TLR2 and TLR3. Finally, the potential involvement of IgE in the pathogenesis of esophageal inflammation was investigated. IgE in the esophagus was found to be present on mast cells, which are increased in density in the esophageal mucosae of patients with EoE and especially those with a history of atopy. Mechanisms of antigen detection may mediate the pathophysiology of EoE in the esophagus through antigen presentation by epithelial cells, detection by TLRs on immune cells and detection through IgE on mucosal mast cells. Together, these findings demonstrate that mechanisms of antigen detection may actually contribute to the pathophysiology of EoE. Through increased understanding of the mechanisms of EoE, the results of this thesis may contribute to future therapy.

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My dissertation explores the enabling contributions of love to the practice of ethico-political and cultural critique. Engaging with the work of Alain Badiou, Simone Weil, Erich Fromm, and Roland Barthes, I examine love in terms of the following modalities: waiting, giving, and looking. I place the aforementioned thinkers in dialogue with selected literary and cinematic texts to explicate and interrogate the meaningful possibilities of their discourse on love. In my chapter on Alain Badiou, I discuss his ontology, which I draw upon heavily to set the theoretical parameters of my study. I also discuss the logic of love that he develops in his philosophy. Speaking to the problem of pre-Evental agency that critics of his work identify, I suggest that waiting as attention, as theorized by Simone Weil, might be the closest form of agency that a pre-Evental (amorous) being can experience. In my discussion of Erich Fromm, I reevaluate his “art of loving” within the constellation of late capitalism. Reading his work through a Lacanian lens, I explore the utility of his prescriptions by examining Chuck Palahniuk’s controversial novel Fight Club. In my chapter on Roland Barthes, I theorize the possibility of cinematic looking that does not depend on the antagonism inherent in the binaries masculine/ feminine and (Gazing) spectator/ (to-be-looked-at) image. Towards this objective, I propose the “amorous look,” a mode of viewing occasioned by cinematic punctual encounters, that I contend is beyond the domain of desire and perversion. I deploy the “amorous look” as I reflect on Aureus Solito’s film Ang Pagdadalaga ni Maximo Olivares (The Blossoming of Maximo Olivares) and its representations of love and waiting.

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Two 17-mer oligodeoxynucleotide-5'-linked-(6,7-diphenylpterin) conjugates, 2 and 3, were prepared as photosensitisers for targeting photooxidative damage to a 34-mer DNA oligodeoxynucleotide (ODN) fragment 1 representing the chimeric bcr-abl gene that is implicated in the pathogenesis of chronic myeloid leukaemia (CML). The base sequence in the 17-mer was 3'G G T A G T T A T T C C T T C T T5'. In the first of these ODN conjugates (2) the pterin was attached at its N3 atom, via a -(CH2)3OPO(OH)- linker, to the 5'-OH group of the ODN. Conjugate 2 was prepared from 2-amino-3-(3-hydroxypropyl)-6,7-diphenyl-4(3H)-pteridinone 10, using phosphoramidite methodology. Starting material 10 was prepared from 5-amino-7-methylthiofurazano[3,4-d]pyrimidine 4 via an unusual highly resonance stabilised cation 8, incorporating the rare 2H,6H-pyrimido[6,1-b][1,3]oxazine ring system. In the characterisation of 10 two pteridine phosphazenes, 15 and 29, were obtained, as well as new products containing two uncommon tricyclic ring systems, namely pyrimido[2,1-b]pteridine (20 and 24) and pyrimido[1,2-c]pteridine (27). In the second ODN conjugate the linker was -(CH2)5CONH(CH2)6OPO(OH)- and was attached to the 2-amino group of the pterin. In the preparation of 3, the N-hydroxysuccinimide ester 37 of 2-(5-carboxypentylamino)-6,7-diphenyl-4(3H)-pteridinone was condensed with the hexylamino-modified 17-mer. Excitation of 36 with near UV light in the presence of the single-stranded target 34-mer, 5'T G A C C A T C A A T A A G14 G A A G18 A A G21 C C C T T C A G C G G C C3' 1 caused oxidative damage at guanine bases, leading to alkali-labile sites which were monitored by polyacrylamide gel electrophoresis. Cleavage was observed at all guanine sites with a marked preference for cleavage at G14. In contrast, excitation of ODN-pteridine conjugate 2 in the presence of 1 caused oxidation of the latter predominantly at G18, with a smaller extent of cleavage at G15 and G14 (in the double-stranded portion) and G21. These results contrast with our previous observation of specific cleavage at G21 with ruthenium polypyridyl sensitisers, and suggest that a different mechanism, probably one involving Type 1 photochemical electron transfer, is operative. Much lower yields were found with the ODN-pteridine conjugate 3, perhaps as a consequence of the longer linker between the ODN and the pteridine in this case.

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In the framework of the European project Platform of Local Authorities and Communicators Engaged in Science (PLACES), we analyse the articulations between scientifi c communication, public perception of science, processes of citizen participation and apropiation of space, based on a case study of the inhabitants of Teruel city, Autonomous Community of Aragon, Spain. On the interrelationships between these issues, there are a number of contradictions, such as the difference between a high interest for information about science and technology and a low level of recognition and interaction with local institutions involved in those activities, the complex conceptualization of scientifi c space in relation to the “public-private” pair, or an articulation of a claiming civic rethoric and an insuffi cient co-responsibility. We conclude that, in a local context, the dimension of territoriality and, in particular, the identifi cation with the town, is a central mediation for activating citizen participation as part of processes of appropriation of space for setting up cities of scientifi c culture.

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Over the past number of decades there has been considerable interest in the role of neurogenic inflammation in asthma with the identification of many biologically active neuropeptides in the lung. Whilst there is convincing evidence of neurogenic inflammation in various animal models of asthma, the evidence in humans is less clear and replicating the experimental approaches in humans has proven difficult with different studies producing conflicting results. In terms of human studies, research has focused on whether pro-inflammatory neuropeptides are elevated in the asthmatic airway, and if so, what their functional effects are. There have also been studies to assess the efficacy of tachykinin receptor antagonists in improving indices of asthma control. Information to date would suggest that neuropeptides are present in human airways and are possibly upregulated in asthma, but this effect does not appear to be specific and may occur in other inflammatory airways conditions (chronic obstructive pulmonary disease (COPD) and smoking). At present there is insufficient evidence to suggest that tachykinin receptor antagonists confer any additional benefit over inhaled corticosteroid regimes for asthmatic patients. © 2007 Bentham Science Publishers Ltd.

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5-exo Cyclisation of vinyl-, aryl- and alkyl-radicals onto the aryl group of arylcarboxamides is followed by beta-scission of the resulting spirocyclohexadienyl radicals with ejection of a carbamoyl radical. The fate of this radical depends on the substrate but, in the cases studied, either 5-endo cyclisation or direct reduction follows to give phthalimides, biaryls or beta-arylethylamines.