3,097 research outputs found

    Review of \u3ci\u3eMuseum Pieces: Toward the Indigenization of Canadian Museums\u3c/i\u3e by Ruth B. Phillips

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    The recent history of museums and Indigenous peoples has developed along diverging lines in Canada and the United States. In Canada, the controversy around The Spirit Sings: Artistic Traditions of Canada\u27s First Peoples, an exhibition organized for the 1988 Olympics in Calgary, Alberta, provided the impetus for the Task Force on Museums and First Peoples which, in turn, sparked subsequent debates surrounding museological policies and practices over the past twenty years. Ruth Phillips locates this exhibition as the point of departure for the postcolonial project that has informed subsequent museum reform in Canada. Thoroughly articulated with characteristic rigor, Phillips\u27s collected readings will provide a wealth of information and analysis for scholars and students. The book is divided into four sections, each representing aspects of the history of contestation, innovation and change defining the relationships between museums and Indigenous communities since 1967

    A 3-stage pollution identification system with an example of final stage decimation

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    Abstrac

    Generation and characterization of transgenic mice expressing mitochondrial targeted red fluorescent protein selectively in neurons: modeling mitochondriopathy in excitotoxicity and amyotrophic lateral sclerosis

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    <p>Abstract</p> <p>Background</p> <p>Mitochondria have roles or appear to have roles in the pathogenesis of several chronic age-related and acute neurological disorders, including Charcot-Marie-Tooth disease, amyotrophic lateral sclerosis, Parkinson's disease, and cerebral ischemia, and could be critical targets for development of rational mechanism-based, disease-modifying therapeutics for treating these disorders effectively. A deeper understanding of neural tissue mitochondria pathobiologies as definitive mediators of neural injury, disease, and cell death merits further study, and the development of additional tools to study neural mitochondria will help achieve this unmet need.</p> <p>Results</p> <p>We created transgenic mice that express the coral (<it>Discosoma sp</it>.) red fluorescent protein DsRed2 specifically in mitochondria of neurons using a construct engineered with a Thy1 promoter, specific for neuron expression, to drive expression of a fusion protein of DsRed2 with a mitochondrial targeting sequence. The biochemical and histological characterization of these mice shows the expression of mitochondrial-targeted DsRed2 to be specific for mitochondria and concentrated in distinct CNS regions, including cerebral cortex, hippocampus, thalamus, brainstem, and spinal cord. Red fluorescent mitochondria were visualized in cerebral cortical and hippocampal pyramidal neurons, ventrobasal thalamic neurons, subthalamic neurons, and spinal motor neurons. For the purpose of proof of principle application, these mice were used in excitotoxicity paradigms and double transgenic mice were generated by crossing Thy1-mitoDsRed2 mice with transgenic mice expressing enhanced-GFP (eGFP) under the control of the <it>Hlxb9 </it>promoter that drives eGFP expression specifically in motor neurons and by crossing Thy1-mitoDsRed2 mice to amyotrophic lateral sclerosis (ALS) mice expressing human mutant superoxide dismutase-1.</p> <p>Conclusions</p> <p>These novel transgenic mice will be a useful tool for better understanding the biology of mitochondria in mouse and cellular models of human neurological disorders as exemplified by the mitochondrial swelling and fission seen in excitotoxicity and mouse ALS.</p

    The Wright Tool Kit: QSEN Competency Integration in an On-line RN-to-BSN Program

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    Colleges across the nation are working to transform nursing education and to integrate QSEN competencies into program curricula

    The neoliberal reality of higher education in Australia: how accountingisation is corporatising knowledge

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    Purpose: As accounting academics, the authors know that performance measurement is well-trodden ground in the literature. Yet rarely have they turned their gaze inwards to examine the performance controls which they are subject to in the own everyday working life. Over the past 40 years, the rise of the New Public Management paradigm and neoliberalism has intensified changes in the way universities, disciplines and individual academics justify the quality of their work. This paper aims to explore the impact of accountingisation on the field and the Australian public sector higher education sector. Design/methodology/approach: The perceptions of accounting academics in Australia’s 37 business faculties and schools were collected via an online survey. Additionally, a document analysis of annual reports, internal reports, strategy documents and other confidential material were also used. Findings: The changes have included the use of corporate and individual research metrics aimed at increasing institutional status, brand reputation and revenue generation. These changes have transformed business schools and universities into commercial enterprises and commoditised education. What this analysis demonstrates is the apparent relationship between various government agendas, the commercialisation of universities and the distortion of the research activities by individual academics. For increased profits and efficiencies, individual scholars have paid the highest price. Practical implications: If the accounting discipline is to be sustainable in the long term, business schools in Australia must reconfigure their performance measurement systems. Originality/value: To date, research on “accountingisation” has previously been primarily conducted in the health and social services sectors. This research raises rarely heard voices to expose the actual social and human costs of accountingisation in Australia’s higher education sector

    Successful unrelated marrow transplantation for patients over the age of 40 with chronic myelogenous leukemia

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    AbstractSome older patients (> or =40 years) with chronic myelogenous leukemia (CML) who lack human leukocyte antigen (HLA)-identical sibling donors are not offered unrelated marrow transplantation because of concerns over excessive regimen-related toxicity, in particular due to graft-vs.-host disease (GVHD). The purpose of this study was to determine the efficacy and toxicity of unrelated marrow transplantation in older CML patients using a regimen designed to minimize the severity of GVHD. Thirty-one consecutive patients over the age of 40 with CML received unrelated marrow transplants between January 1988 and June 1997. Twenty-one patients were transplanted in chronic phase while ten were transplanted in the accelerated phase of their disease. Fifteen patients received transplants from phenotypically matched donors while 16 received marrow grafts from donors who were mismatched at one HLA locus. GVHD prophylaxis consisted of ex vivo T cell depletion of the donor marrow graft plus posttransplant cyclosporine administration. Durable engraftment was achieved in 29 of 31 patients (94%). The probability of developing grades II-IV or severe grades III-IV acute GVHD was 39.2 and 7.1%, respectively. There was no difference in the incidence of grades II-IV acute GVHD between patients transplanted with marrow grafts from phenotypically matched (38.1%) vs. those transplanted from mismatched unrelated donors (40%, p = 0.99). The 2-year probability of relapse for the entire population was 29.4%. Relapse was significantly higher for patients transplanted in accelerated phase (60%) than for those in chronic phase (13.8%, p = 0.027). The 2-year probability of overall survival and disease-free survival for the entire cohort was 56 and 45%, respectively. There was no significant difference in survival or disease-free survival for patients receiving phenotypically matched vs. mismatched marrow grafts. Immunological reconstitution for this cohort was compared with a younger (<40 years) patient population that had been similarly transplanted over the same time period. Immune function as assessed by total T cell, B cell, NK cell, and T cell subset reconstitution posttransplant was quantitatively equivalent in the two groups with most parameters normalizing within 18 months of transplant. We conclude that CML patients over the age of 40 who have either phenotypically matched or one antigen-mismatched unrelated donors can successfully undergo allogeneic marrow transplantation. T cell depletion of the marrow graft may be advantageous in these older patients by reducing GVHD severity, particularly in those patients transplanted with HLA-disparate marrow grafts.Biol Blood Marrow Transplant 1998;4(1):3-12

    Anti-cancer activity of phenyl and pyrid-2-yl 1,3-substituted benzo[1,2,4]triazin-7-ones and stable free radical precursors

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    Cell viability studies for benzo[1,2,4]triazin-7-ones and 1,2,4-benzotriazinyl (Blatter-type) radical precursors are described with comparisons made with 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO). All of the stable free radicals were several orders of magnitude less cytotoxic than the benzo[1,2,4] triazin-7-ones. The synthesis and evaluation of two new pyrid-2-yl benzo[1,2,4] triazin-7-ones are described, where altering the 1,3-substitution from phenyl to pyrid-2-yl increased cytotoxicity against most cancer cell lines, as indicated using National Cancer Institute (NCI) one-dose testing. COMPARE analysis of five-dose testing data from the NCI showed very strong correlations to the naturally occurring anti-cancer compound pleurotin. COMPARE is program, which analyzes similarities in cytotoxicity data of compounds, and enables quantitative expression as Pearson correlation coefficients. Compounds were also evaluated using the independent MTT assay, which was compared with SRB assay data generated at the NCI

    A Wide Field Survey of Satellite Galaxies around the Spiral Galaxy M106

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    We present a wide field survey of satellite galaxies in M106 (NGC 4258) covering a 1.7\degr \times 2\degr field around M106 using Canada-France-Hawaii Telescope/MegaCam. We find 16 satellite galaxy candidates of M106. Eight of these galaxies are found to be dwarf galaxies that are much smaller and fainter than the remaining galaxies. Four of these galaxies are new findings. Surface brightness profiles of 15 out of 16 satellite galaxies can be represented well by an exponential disk profile with varying scale length. We derive the surface number density distribution of these satellite galaxies. The central number density profile (d <100<100 kpc) is well fitted by a power-law with a power index of 2.1±0.5-2.1\pm0.5, similar to the expected power index of isothermal distribution. The luminosity function of these satellites is represented well by the Schechter function with a faint end slope of 1.190.06+0.03-1.19^{+0.03}_{-0.06}. Integrated photometric properties (total luminosity, total colour, and disk scale length) and the spatial distribution of these satellite galaxies are found to be roughly similar to those of the Milky Way and M31.Comment: Accepted by MNRA
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