725 research outputs found

    Reconceptualizing Educational Productivity for Australian Public Schools in New South Wales: An Empirical Application of Modified Quadriform Analytics

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    Little is known about the educational productivity of public schooling organizations when examined outside of market-based, cost-minimization frameworks. Consequently, the purpose of this research was to extend the literature that supports the appropriateness of measuring levels of the economic efficiency of public schools via an alternative approach, utilizing modified quadriform analytics (MQA) to assess the educational productivity of New South Wales public elementary and secondary schools in Australia over three school years, 2008-2010

    When What You Know Ain’t Necessarily So: A Comparative Analysis of the Texas School Foundation Program Revenues for Independent and Charter School Districts

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    Texas charter school districts (CSDs) are accredited and monitored by the Texas Education Agency (TEA) utilizing the various components within the state accountability systems for both state and federal requirements

    Improving Adequacy Concepts in Education Finance: A Heuristic Examination of the Professional Judgment Research Protocol

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    State legislatures, policy analysts, and researchers are attempting, in many instances, to measure levels of equity as well as the levels of adequacy provided by public elementary and secondary education funding mechanisms

    Assessment of Natural Resources Use for Sustainable Development - DPSIR Framework for Case Studies in Portsmouth and Thames Gateway, U.K.

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    This chapter reports on the uses of the DPSIR framework to assess the sustainability of the intertidal environments within the two UK case study areas, Portsmouth and Thames Gateway. It focuses on statutory conservation areas dominated by intertidal habitats. Two are located in Portsmouth (Portsmouth and Langstone Harbours) and four in the Thames Gateway (Benfleet Marshes, South Thames Estuary, Medway Estuary and the Swale in the Thames Gateway). Based on the reduction of a number of pressures and impacts observed in recent decades and the improvement of overall environmental quality, all six SSSIs are considered to be sustainable in the short and medium term. In the future, it is possible that the impacts of climate change, especially sea-level rise, might result in further reduction in the area and/or quality of intertidal habitats. Further integration between conservation and planning objectives (both for urban development and management of flood risk) at local level is needed to support the long-term sustainability of intertidal habitats

    β2 integrin-mediated cell-cell contact transfers active myeloperoxidase from neutrophils to endothelial cells

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    Atherosclerosis and vasculitis both feature inflammation mediated by neutrophil-endothelial-cell (EC) contact. Neutrophil myeloperoxidase (MPO) can disrupt normal EC function, although the mechanism(s) by which MPO is transferred to EC are unknown. We tested the hypothesis that close, beta2-integrin-dependent neutrophil-EC contact mediates MPO transfer from neutrophils to EC. We used sensitive MPO assays and flow cytometry to detect MPO in EC and demonstrate that EC acquired MPO when contacted by neutrophils directly but not when EC and neutrophils were separated in transwells. The transfer was dependent on neutrophil number, exposure time, and incubation temperature. Transfer occurred in several EC types, increased with endotoxin, was not accompanied by MPO release into the medium and was not abrogated by inhibiting degranulation to secretagogues. Confocal microscopy showed MPO internalization by EC with cytoplasmic and nuclear staining. Neutrophils and EC formed intimate contact sites demonstrated by electron microscopy. Blocking CD11b or CD18 beta2-integrin chains, or using neutrophils from CD11b gene-deleted mice, reduced MPO transfer. EC-acquired MPO was enzymatically active, as demonstrated by its ability to oxidize the fluorescent probe aminophenyl fluorescein in the presence of a hydrogen peroxide source. The data suggest an alternative to EC uptake of soluble MPO, namely the cell contact-dependent, {beta}2-integrin-mediated transfer from neutrophils. The findings could be of therapeutic relevance in atherosclerosis and vasculitis
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