2,144 research outputs found

    Lone star or team player?:The interrelationship of different identification foci and the role of self-presentation concerns

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    Work identity is important in the attraction and retention of staff, yet how the facets of such identity relate remains convoluted and unclear despite this being of interest to both scholars and practitioners. We use structural equation modeling to analyze empirical data from 144 employees in the United Kingdom's oil and gas industry, analyzing the nature and interrelationship of identification as individual-level (career advancement) and social-level (work group and organization) foci, as well as considering the two psychological self-presentation factors (value expression and social adjustment) that direct and drive identification processes. A dichotomy between individual and social components of work identity is found, revealing a strong association between both social-level foci of identification. Moreover, both components of work identity are found to be premised on different psychological factors, furthering our knowledge of the enmeshed nature of identity at work

    Changes in Business Core & Accounting Course Requirements: AACSB Influences

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    This study explores the business core requirements and accounting program requirements of universities accredited by the Association to Advance Collegiate Schools of Business International (AACSB) and those without such accreditation during both 1996/97 and 2012/13 academic years. The sample of 50 universities consists of 25 with AACSB accreditation and 25 without AACSB accreditation during the 1996/97 academic year. Differences are examined in the courses and credit hours required in various courses between the two types of universities as well as changes in these programs between the two time periods. The changes that have occurred between 1996/97 and 2012/13 are compared to changes in AACSB standards to determine if the changes made by accredited universities were primarily to align with accreditation standard changes or if changes are occurring in addition to standard motivated changes. The comparison between the AACSB accredited and non-AACSB accredited universities can be used to determine if the non-AACSB accredited universities follow the same general curriculum. Also, the changes in curriculum to align with AACSB standards will be looked for in the non-AACSB accredited universities. If a similar change in curriculum is noted for both AACSB accredited and non-AACSB accredited universities, then it would seem that the AACSB influence may reach beyond accredited universities. Given that AACSB is considered to be the premier accreditation, if its programmatic expectations are being adopted by non-AACSB accredited universities, positive externalities would be occurring from the accreditation process that would benefit college of business students and the economy as a whole. The study is being extended to consider the 2016/2017 academic year as well to capture the latest changes in AACSB accreditation standards. This data is not yet complete

    Breathing New Life Into Acute Respiratory Care : Proactively Improving Long-Term Outcomes

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    Acknowledgements: Writing assistance was provided by Rachel Danks, RSD Medical Communications Ltd, Gloucestershire, UK.Peer reviewedPublisher PD

    Senescence or ageing in wallflower petals?

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    Senescence is the final event in the life of many plant tissues. It is concerned with remobilisation of metabolites from the senescing organ and is distinct from other forms of cell death. It is a highly regulated process involving structural, biochemical and molecular changes. Gene expression is tightly regulated, with many genes down regulated and others induced. Conversely, ageing is a passive degradation. Petals and leaves are good model organs for developmental studies, as petal development is irreversible and tightly controlled, and leaves are an extensively studied senescent system. Similarities between these organs allow direct comparison of late developmental events to establish whether petals senesce, as leaves do, or age however, important differences in function lead to the hypothesis that petal deterioration and leaf senescence are distinct. Wallflowers were chosen as they are closely related to Arabidopsis and Brassica spp., have large petals, and are commercially relevant ornamental plants. Changes in wallflower morphology and physiology were examined over development. A high degree of gene homology was shown between wallflowers and Arabidopsis by northern blotting. 1632 genes upregulated in old wallflower tissues were cloned using subtractive selective hybridisation and a microarray of these genes, along with 91 Arabidopsis senescence associated genes, was constructed. Probing the microarray with RNA from different leaf and petal developmental stages identified 298 common genes significantly upregulated during both leaf senescence and late petal development, and expression patterns were compared between the two tissues. The expression patterns of selected genes were confirmed by RT-PCR. Late development in petals was shown to be an active process, and was tentatively concluded to be senescence due to upregulation of genes involved with nutrient remobilisation and the strong upregulation of the SAG 12 gene---a molecular marker for leaf senescence that is not upregulated during other forms of death in leaves.EThOS - Electronic Theses Online ServiceGBUnited Kingdo

    Effects of a reduction in GFR on cardiovascular structure and function: a five year follow up study

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    The inverse association between glomerular filtration rate (GFR) and cardiovascular risk is well recognised but not fully explained. Furthermore, chronic kidney disease is associated with atherosclerosis, arteriosclerosis, left ventricular hypertrophy and myocardial fibrosis. Kidney donation reduces renal function by approximately 30% and allows the study of the cardiovascular effects of a reduced GFR in healthy subjects without confounding comorbidities. This thesis aims to examine the isolated effects of a reduction in GFR as a result of nephrectomy on haemodynamics, blood pressure, cardiovascular structure and function, myocardial tissue characterisation and blood biomarkers. In a multi-centre prospective controlled study, there were no significant changes in peripheral blood pressure or pulse wave velocity in donors compared to controls at 12 months. In a prospective 5 year longitudinal study of donors and controls, no significant differences were observed in left ventricular volumes or mass, strain parameters or ejection fraction at 5 years after nephrectomy. In a cross-sectional comparison of 1:1 age and sex matched donors and controls there were no significant differences in T1 or T2 times, extracellular volume or late gadolinium enhancement. The reduction in GFR after donation does not lead to deleterious changes in cardiovascular structure and function at 5 years

    Galgedil: isotopic studies of a Viking cemetery on the Danish island of Funen, AD 800–1050

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    Galgedil is a Viking Age cemetery located in the northern part of the Danish island of Funen. Excavations at the site revealed 54 graves containing 59 inhumations and 2 cremation burials. Previous study of the remains to date has included light isotopes of carbon and nitrogen in collagen (10 samples) and the radiocarbon determination of the age of 8 samples. In addition, aDNA was investigated in 10 samples from the cemetery. Here we report the analysis of strontium isotopes in human tooth enamel as a signal of place of birth. Some 36 samples have been measured and non-local outliers identified. Baseline levels of strontium isotope ratios in Denmark are discussed and documented. Our study also includes an in-depth consideration of the bioarcheology of the skeletal remains in terms of demography, paleopathology, and taphonomy. The burials are evaluated in light of the available archeological, chronological, anthropological, and isotope informationavailable

    The acute oncologist's role in managing patients with cancer and other co-morbidities

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    Background: An Acute Oncology Service (AOS) is paramount to providing timely and improved pathways of care for patients who are admitted to hospital with cancer-related problems or suspected cancer. Objective: To establish an AOS pilot study to decide how best to implement such a service locally. Methods: The AOS, which included collaboration between the oncology and palliative care teams at the Northern General Hospital in Sheffi eld, UK, ensured that the majority of oncology patients in the region received timely assessment by an oncologist if they became acutely unwell as a result of their cancer or its treatment. The AOS consisted of a thrice-weekly ward round, and daily telephone advice service. Results: We report on patient data during the fi rst 12 months of the pilot study. Delivery of the AOS enhanced communication between the services and provided inter-professional education and support, resulting in earlier oncological team involvement in the management of patients with cancer admitted under other teams, as well as provision of advice to patients and their caregivers and families. Provision of the AOS shortened the mean length of hospital stay by 6 days. Two case studies are presented to illustrate the typical challenges faced when managing these patients. Conclusions: Establishment of the AOS enabled effective collaboration between the oncology and other clinical teams to provide a rapid and streamlined referral pathway of patients to the AOS. Locally, this process has been supported by the development of acute oncology protocols, which are now in use across the local cancer network

    Senescence or ageing in wallflower petals?

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    Senescence is the final event in the life of many plant tissues. It is concerned with remobilisation of metabolites from the senescing organ and is distinct from other forms of cell death. It is a highly regulated process involving structural, biochemical and molecular changes. Gene expression is tightly regulated, with many genes down regulated and others induced. Conversely, ageing is a passive degradation. Petals and leaves are good model organs for developmental studies, as petal development is irreversible and tightly controlled, and leaves are an extensively studied senescent system. Similarities between these organs allow direct comparison of late developmental events to establish whether petals senesce, as leaves do, or age however, important differences in function lead to the hypothesis that petal deterioration and leaf senescence are distinct. Wallflowers were chosen as they are closely related to Arabidopsis and Brassica spp., have large petals, and are commercially relevant ornamental plants. Changes in wallflower morphology and physiology were examined over development. A high degree of gene homology was shown between wallflowers and Arabidopsis by northern blotting. 1632 genes upregulated in old wallflower tissues were cloned using subtractive selective hybridisation and a microarray of these genes, along with 91 Arabidopsis senescence associated genes, was constructed. Probing the microarray with RNA from different leaf and petal developmental stages identified 298 common genes significantly upregulated during both leaf senescence and late petal development, and expression patterns were compared between the two tissues. The expression patterns of selected genes were confirmed by RT-PCR. Late development in petals was shown to be an active process, and was tentatively concluded to be senescence due to upregulation of genes involved with nutrient remobilisation and the strong upregulation of the SAG 12 gene---a molecular marker for leaf senescence that is not upregulated during other forms of death in leaves
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