8,357 research outputs found

    Countering the Excessive Subpoena for Scholarly Research

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    A researcher has many opportunities to safeguard research and take a stance in court to protect the privacy of study participants in the interest of well-grounded scientific or social analysis

    Countering the Excessive Subpoena for Scholarly Research

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    A researcher has many opportunities to safeguard research and take a stance in court to protect the privacy of study participants in the interest of well-grounded scientific or social analysis

    Reflections on Community Organizing and Resident Engagement in the Rebuilding Communities Initiative

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    Describes the role and practice of community organizing and resident engagement in the context of a comprehensive community change initiative in Boston, Philadelphia, Washington, D.C., Denver, and Detroit

    Non-Orientable Lagrangian Cobordisms between Legendrian Knots

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    In the symplectization of standard contact 33-space, R×R3\mathbb R \times \mathbb R^3, it is known that an orientable Lagrangian cobordism between a Legendrian knot and itself, also known as an orientable Lagrangian endocobordism for the Legendrian knot, must have genus 00. We show that any Legendrian knot has a non-orientable Lagrangian endocobordism, and that the crosscap genus of such a non-orientable Lagrangian endocobordism must be a positive multiple of 44. The more restrictive exact, non-orientable Lagrangian endocobordisms do not exist for any exactly fillable Legendrian knot but do exist for any stabilized Legendrian knot. Moreover, the relation defined by exact, non-orientable Lagrangian cobordism on the set of stabilized Legendrian knots is symmetric and defines an equivalence relation, a contrast to the non-symmetric relation defined by orientable Lagrangian cobordisms.Comment: 23 pages, 18 figure

    Metabolism of Butoxyethanol in excised human skin in vitro

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    Glycol ethers are widely used in industrial and household applications because their chemical and physical properties make them versatile solvents, miscible with both water and organic media. Due to the ease with which the glycol ethers are absorbed through the skin and the potential for development of adverse health effects it is important to understand the extent to which local metabolism can contribute to local and systemic toxicity. Sections of previously frozen, full thickness excised human skin samples were placed on transwell supports and placed with the underside of the skin in contact with receptor fluid. The skin surface was dosed with 115.2 mg of neat butoxyethanol and the absorption and metabolism of butoxyethanol to butoxyacetic acid monitored over time. In total 64.94 ± 0.04 mg of butoxyethanol or its metabolites were removed from the surface of the skin at 24 hours, representing the equivalent of 56% of the applied dose, the equivalent of 17.5% of the applied dose was recovered from the receiver fluid, 3% from within the skin and the remaining 23.5% of the dose was lost to the atmosphere through evaporation. After 24 hours a total of 31.5 Όg of butoxyacetic acid had been produced representing approximately 0.03% of the applied dose. Therefore approximately 0.16% (31.5 Όg as a percentage of the total amount of butoxyethanol reaching the receiver fluid (20.17 mg) of the absorbed butoxyethanol was metabolised to butoxyacetic acid during its passage through the skin. This suggested that, although enzyme activities capable of converting butoxyethanol to butoxyacetic acid are present in skin, metabolic conversion during percutaneous absorption was small and systemic exposure to the parent compound rather than the metabolite would occur following dermal exposure to butoxyethanol. This experiment demonstrates that it is possible to maintain metabolic activity in skin samples in an in vitro set up for short, but experimentally useful, period.Peer reviewe

    Professional autonomy in 21st century healthcare: nurses’ accounts of clinical decision-making

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    Autonomy in decision-making has traditionally been described as a feature of professional work, however the work of healthcare professionals has been seen as steadily encroached upon by State and managerialist forces. Nursing has faced particular problems in establishing itself as a credible profession for reasons including history, gender and a traditional subservience to medicine. This paper reports on a focus group study of UK nurses participating in post-qualifying professional development in a London university in 2008. Three groups of nurses in different specialist areas comprised a total of 26 participants. The study uses accounts of decision-making to gain insight into contemporary professional nursing. The study also aims to explore the usefulness of a theory of professional work set out by Jamous and Peloille in 1970. The analysis draws on notions of interpretive repertoires and elements of narrative analysis. We identified two interpretive repertoires: ‘clinical judgement’ which was used to describe the different grounds for making judgements; and ‘decision-making’ which was used to describe organisational circumstances influencing decision-making. Jamous and Peloille’s theory proved useful for interpreting instances where the nurses collectively withdrew from the potential dangers of too extreme claims for technicality or indeterminacy in their work. However, their theory did not explain the full range of accounts of decision-making that were given. Taken at face value, the accounts from the participants depict nurses as sometimes practising in indirect ways in order to have influence in the clinical and bureaucratic setting. However, a focus on language use and in particular, interpretive repertoires, has enabled us to suggest that despite an overall picture of severely limited autonomy, nurses in the groups reproduced stories of the successful accomplishment of moral and influential action
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