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111.
Naeim Ezzatahmadi Teng Bao Hongmei Liu Graeme J. Millar Godwin A. Ayoko Jianxi Zhu Runliang Zhu Xiaoliang Liang Hongping He Yunfei Xi 《RSC advances》2018,8(14):7687
A functional diatomite-supported Fe/Ni nanocomposite successfully remediated Orange II contaminant in aqueous solution. The hypothesis was that diatomite-supported Fe/Ni would not only be more effective than Fe/Ni but also require less metallic loading to effect the catalytic reaction. Batch experiments indicate that 99.00% of Orange II was removed using diatomite-supported Fe/Ni, while only 86.64 and 3.59% of Orange II were removed using bimetallic Fe/Ni nanoparticles and diatomite, after 6 h of reaction, respectively. Characterisation by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM) and scanning electron microscopy (SEM) indicates that the use of diatomite as a support material reduced the aggregation of bimetallic Fe/Ni nanoparticles, thereby resulting in an enhancement in the reactivity. A synergistic mechanism for the removal of Orange II by diatomite-supported Fe/Ni was proposed which involves adsorption, followed by catalytic reduction. This study has demonstrated that diatomite may be a suitable support material for stabilizing and dispersing bimetallic Fe/Ni nanoparticles and the resulting diatomite-supported Fe/Ni composite could be a promising catalyst for the remediation of dye-contaminated wastewater.A functional diatomite-supported Fe/Ni nanocomposite successfully remediated Orange II contaminant in aqueous solution. 相似文献
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113.
Gunilla Haydon Graeme Browne Pamela van der Riet 《Collegian (Royal College of Nursing, Australia)》2018,25(1):125-129
Background
Although, person centred care has for a long time been an important approach to nursing care, it is often not a reality in the clinical environment. The focus of health research has, until recently, been on the physical aspects of a persons’ illness and this has influenced how care is delivered. There is a need to broaden the focus from the illness to the person who is ill. A holistic approach to the persons’ social and cultural experience of their illness will aid health care professions to provide person centred care.This paper will make the argument that narrative inquiry is a well suited to health care research in general and nursing research in particular as it focuses its inquiry on the individual person's experience of their illness – ‘what matters’ from the person's point of view. Narrative inquiry explores the narrative from a temporal, social and spatial view.Conclusions
There is a need to find what is important from the patients’ ‘point of view’ to optimise care. Narrative Inquiry is a methodology often used in education and sociology. It is a gentle relational methodology that has the capability to uncover what is important to the person in their situation. The research findings are presented narratively, that is, informally and engagingly for the consumer of the research. 相似文献114.
Potential challenges facing distributed leadership in health care: evidence from the UK National Health Service
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Graeme Martin Nic Beech Robert MacIntosh Stacey Bushfield 《Sociology of health & illness》2015,37(1):14-29
The discourse of leaderism in health care has been a subject of much academic and practical debate. Recently, distributed leadership (DL) has been adopted as a key strand of policy in the UK National Health Service (NHS). However, there is some confusion over the meaning of DL and uncertainty over its application to clinical and non‐clinical staff. This article examines the potential for DL in the NHS by drawing on qualitative data from three co‐located health‐care organisations that embraced DL as part of their organisational strategy. Recent theorising positions DL as a hybrid model combining focused and dispersed leadership; however, our data raise important challenges for policymakers and senior managers who are implementing such a leadership policy. We show that there are three distinct forms of disconnect and that these pose a significant problem for DL. However, we argue that instead of these disconnects posing a significant problem for the discourse of leaderism, they enable a fantasy of leadership that draws on and supports the discourse. 相似文献
115.
Travis M Falconer John W Eikelboom Graeme J Hankey Paul E Norman 《Clinical Interventions in Aging》2008,3(1):17-23
Symptomatic and asymptomatic peripheral arterial disease (PAD) is a common problem in the elderly. The management of PAD includes the prevention of cardiovascular events and relief of symptoms – most commonly intermittent claudication (IC). Both require treatment of the causes and consequences of atherothrombosis, but some strategies are more effective for prevention of cardiovascular events and others are more effective for the relief of symptoms. Priorities for the prevention of cardiovascular events include smoking cessation, exercise, antiplatelet therapy, and the treatment of dyslipidemia, hypertension, and diabetes. Walking time and ability are improved by exercise. The benefit of numerous drugs in the treatment of IC has been assessed. The results have generally been disappointing, but there is some evidence that statins and cilostazol (an inhibitor of phosphodiesterase 3) are of benefit. Meta-analyses suggest that cilostazol increases maximum walking distance by 40%–50% and improves other objective measures of walking. The safety profile of cilostazol in patients with PAD appears to be acceptable although the mechanism for its effect on IC is unclear. In addition to risk factor management, treatment with cilostazol should be considered in patients with disabling IC. 相似文献
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117.
Cara Nethercott Amanda N. Mabbett Makrina Totsika Paul Peters Juan C. Ortiz Graeme R. Nimmo Geoffrey W. Coombs Mark J. Walker Mark A. Schembri 《Journal of clinical microbiology》2013,51(7):2131-2138
Infective endocarditis (IE) is a life-threatening infection of the heart endothelium and valves. Staphylococcus aureus is a predominant cause of severe IE and is frequently associated with infections in health care settings and device-related infections. Multilocus sequence typing (MLST), spa typing, and virulence gene microarrays are frequently used to classify S. aureus clinical isolates. This study examined the utility of these typing tools to investigate S. aureus epidemiology associated with IE. Ninety-seven S. aureus isolates were collected from patients diagnosed with (i) IE, (ii) bloodstream infection related to medical devices, (iii) bloodstream infection not related to medical devices, and (iv) skin or soft-tissue infections. The MLST clonal complex (CC) for each isolate was determined and compared to the CCs of members of the S. aureus population by eBURST analysis. The spa type of all isolates was also determined. A null model was used to determine correlations of IE with CC and spa type. DNA microarray analysis was performed, and a permutational analysis of multivariate variance (PERMANOVA) and principal coordinates analysis were conducted to identify genotypic differences between IE and non-IE strains. CC12, CC20, and spa type t160 were significantly associated with IE S. aureus. A subset of virulence-associated genes and alleles, including genes encoding staphylococcal superantigen-like proteins, fibrinogen-binding protein, and a leukocidin subunit, also significantly correlated with IE isolates. MLST, spa typing, and microarray analysis are promising tools for monitoring S. aureus epidemiology associated with IE. Further research to determine a role for the S. aureus IE-associated virulence genes identified in this study is warranted. 相似文献
118.
Thomas Klopstock MD Aleksandar Videnovic MD Almut Turid Bischoff MD Cecilia Bonnet MD Laura Cif MD Cynthia Comella MD Marta Correa-Vela MD Maria L. Escolar MD Jamie L. Fraser MD Victoria Gonzalez MD Neal Hermanowicz MD Robert Jech MD Hyder A. Jinnah MD Tomasz Kmiec MD Anthony Lang MD Maria J. Martí MD Saadet Mercimek-Andrews MD Migvis Monduy MD Graeme A.M. Nimmo MBBS Belen Perez-Dueñas MD Helle Cecilie Viekilde Pfeiffer MD Lluis Planellas MD Emmanuel Roze MD Nivedita Thakur MD Laura Tochen MD Nora Vanegas-Arroyave MD Giovanna Zorzi MD Colleen Burns PhD Feriandas Greblikas MD 《Movement disorders》2021,36(6):1342-1352
119.
Cynthia Tsien Huey Tan Sowmya Sharma Naaventhan Palaniyappan Pramudi Wijayasiri Kristel Leung Jatinder Hayre Elizabeth Mowlem Rachel Kang Peter J Eddowes Emilie Wilkes Suresh V Venkatachalapathy Indra N Guha Lilia Antonova Angela C Cheung William JH Griffiths Andrew J Butler Stephen D Ryder Martin W James Guruprasad P Aithal Aloysious D Aravinthan 《Clinical medicine (London, England)》2021,21(1):e32
120.
Edwards Richard Greenwood Hannah E. McRobbie Graeme Khan Imtiaz Witney Timothy H. 《Molecular imaging and biology》2021,23(6):854-864
Molecular Imaging and Biology - (S)-4-(3-18F-Fluoropropyl)-?-Glutamic Acid ([18F]FSPG) is a radiolabeled non-natural amino acid that is used for positron emission tomography (PET) imaging of... 相似文献