431 research outputs found

    Nazi Ideology and the Pursuit of War Aim: 1941-45

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    The purpose of this thesis is to examine what can be considered a military blunder on the part of the Nazi Germans. On June 22, 1941, Nazi Germany launched a massive invasion into the Soviet Union and Soviet territories. The political goals of Operation Barbarossa were to seize hold of the expanses of land belonging to the Soviet Union. This would serve as the foundation for increased agricultural production and the enslavement of any remaining Slavic people for the supposed greater good Germany. Additionally, the Nazis desired to erase the presence of all Jews living within the Soviet Union and Soviet held territories. Eventually, this goal would be aimed at eliminating Jews across all of Europe and would be dubbed the Final Solution. Furthermore, the Nazis desired the supply of oil fields within the region surrounding the Caucasus Mountains. This would help fuel the Nazi war machine as Adolf Hitler continued to progress towards his goal of establishing a Third Reich. The goals of the military were to achieve a complete victory over the Red Army. Nazi plans called for a quick conquest, which would enable the Wehrmacht to encircle and defeat the bulk of the Red Army within the first four months of the campaign. By studying Operation Barbarossa, historians can equate the operation to a pursuit of war aims. These included a two pronged war that was aimed at both crushing the Red Army and eliminating the Jews. Militarily, the Nazis did not have the manpower to pursue both the Final Solution and war against the Red Army. This thesis will examine how the Nazis misused vial resources of manpower in the name of Nazi ideology from the commencement of Operation Barbarossa to the end of the war in 1945

    Compulsory Construction of New Lines of Railroad

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    In the half century of public regulation of railroads in the United States, regulatory legislation has dealt primarily with functions incident to the operation of existing enterprises. The basic concept has been that railroad corporations as common carriers have voluntarily assumed obligations to the public which the public has a right to require to be performed

    Nursing and euthanasia : a narrative review of the nursing ethics literature

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    Background: Medical Assistance in Dying, also known as euthanasia or assisted suicide, is expanding internationally. Canada is the first country to permit Nurse Practitioners to provide euthanasia. These developments highlight the need for nurses to reflect upon the moral and ethical issues that euthanasia presents for nursing practice. Purpose: The purpose of this article is to provide a narrative review of the ethical arguments surrounding euthanasia in relationship to nursing practice. Methods: Systematic search and narrative review. Nine electronic databases were searched using vocabulary developed from a stage 1 search of Medline and CINAHL. Articles that analysed a focused ethical question related to euthanasia in the context of nursing practice were included. Articles were synthesized to provide an overview of the literature of nursing ethics and euthanasia. Ethical Considerations: This review was conducted as per established scientific guidelines. We have tried to be fair and respectful to the authors discussed. Findings: Forty-three articles were identified and arranged inductively into four themes: arguments from the nature of nursing; arguments from ethical principles, concepts and theories; arguments for moral consistency; and arguments from the nature of the social good. Key considerations included nursing's moral ontology, the nurse-patient relationship, potential impact on the profession, ethical principles and theories, moral culpability for acts versus omissions, the role of intention and the nature of the society in which euthanasia would be enacted. In many cases, the same assumptions, values, principles and theories were used to argue both for and against euthanasia. Discussion: The review identified a relative paucity of literature in light of the expansion of euthanasia internationally. However, the literature provided a fulsome range of positions for nurses to consider as they reflect on their own participation in euthanasia. Many of the arguments reviewed were not nursing-specific, but rather are relevant across healthcare disciplines. Arguments explicitly grounded within the nature of nursing and nurse-patient relationships warrant further exploration

    Predicting diffuse microbial pollution risk across catchments: The performance of SCIMAP and recommendations for future development

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    Microbial pollution of surface waters in agricultural catchments can be a consequence of poor farm management practices, such as excessive stocking of livestock on vulnerable land or inappropriate handling of manures and slurries. Catchment interventions such as fencing of watercourses, streamside buffer strips and constructed wetlands have the potential to reduce faecal pollution of watercourses. However these interventions are expensive and occupy valuable productive land. There is, therefore, a requirement for tools to assist in the spatial targeting of such interventions to areas where they will have the biggest impact on water quality improvements whist occupying the minimal amount of productive land. SCIMAP is a risk-based model that has been developed for this purpose but with a focus on diffuse sediment and nutrient pollution. In this study we investigated the performance of SCIMAP in predicting microbial pollution of watercourses and assessed modelled outputs of E. coli, a common faecal indicator organism (FIO), against observed water quality information. SCIMAP was applied to two river catchments in the UK. SCIMAP uses land cover risk weightings, which are routed through the landscape based on hydrological connectivity to generate catchment scale maps of relative in-stream pollution risk. Assessment of the model's performance and derivation of optimum land cover risk weightings was achieved using a Monte-Carlo sampling approach. Performance of the SCIMAP framework for informing on FIO risk was variable with better performance in the Yealm catchment (rs = 0.88; p 0.05). Across both catchments much uncertainty was associated with the application of optimum risk weightings attributed to different land use classes. Overall, SCIMAP showed potential as a useful tool in the spatial targeting of FIO diffuse pollution management strategies; however, improvements are required to transition the existing SCIMAP framework to a robust FIO risk-mapping tool

    The ability of Listeria monocytogenes to form biofilm on surfaces relevant to the mushroom production environment

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    peer-reviewedDue to its ubiquitous nature, Listeria monocytogenes is a threat to all fresh fruits and vegetables, including mushrooms, which are Ireland's largest horticultural crop. Although fresh cultivated mushrooms (Agaricus bisporus) have not been previously linked with listeriosis outbreaks, the pathogen still poses a threat to the industry, particularly due to its ability to form biofilms. This threat is highlighted by the multiple recalls of mushroom products caused by L. monocytogenes contamination and by previous studies demonstrating that L. monocytogenes is present in the mushroom production environment. In this study, the biofilm formation potential of L. monocytogenes strains isolated from the mushroom production environment was investigated on materials and at temperatures relevant to mushroom production. A preliminary assessment of biofilm formation of 73 mushroom industry isolates was undertaken using a crystal violet assay on polystyrene microtitre plates. The biofilm formation of a subset (n = 7) of these strains was then assessed on twelve different materials, including materials that are representative of the materials commonly found in the mushroom production environments, using the CDC biofilm reactor. Vertical scanning interferometry was used to determine the surface roughness of the chosen materials. All the strains tested using the CDC biofilm reactor were able to form biofilms on the different surfaces tested but material type was found to be a key determining factor on the levels of biofilm formed. Stainless steel, aluminium, rubber, polypropylene and polycarbonate were all able to support biofilm levels in the range of 4–4.9 log10 CFU/cm2, for seven different L. monocytogenes strains. Mushroom industry-specific materials, including growing nets and tarpaulins, were found to support biofilms levels between 4.7 and 6.7 log10 CFU/cm2. Concrete was found to be of concern as it supported 7.7 log10 CFU/cm2 of biofilm for the same strains; however, sealing the concrete resulted in an approximately 2-log reduction in biofilm levels. The surface roughness of the materials varied greatly between the materials (0.7–3.5 log10 Ra) and was found to have a positive correlation with biofilm formation (rs = 0.573) although marginally significant (P = 0.051). The results of this study indicate that L. monocytogenes can readily form biofilms on mushroom industry relevant surfaces, and additionally identifies surfaces of specific concern, where rigorous cleaning and disinfection is required

    Aerobic and resistance training improves mood state among adults living with HIV.

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    The purpose of this investigation was to examine the effects of combined aerobic and resistance exercise training among self-reported mood disturbances, perceived stress, frequency of self-reported symptoms, and symptom distress in a sample of HIV+ adults. For this purpose, 49 participants were randomly assigned into an exercise (EX) or control (CON) group. Those in the EX group completed 50 min of supervised aerobic and resistance training at a moderate intensity twice a week for 6 weeks. The CON group reported to the university and engaged in sedentary activities. Data were collected at baseline before randomization and 6 weeks post intervention. Measures included the symptom distress scale (SDS), perceived stress scale (PSS), profile of mood states (POMS) total score, and the POMS sub-scale for depression and fatigue. A 2 way ANOVA was used to compare between and within group interactions. The EX group showed a significant decrease in reported depression scores (p=0.03) and total POMS (p=0.003). The CON group reported no change in POMS or SDS, but showed a significant increase in PSS. These findings indicate that combination aerobic and resistance training completed at a moderate intensity at least twice a week provides additional psychological benefits independent of disease status and related symptoms

    Moderate-Intensity Exercise Improves Body Composition and Improves Physiological Markers of Stress in HIV-Infected Men

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    HIV/AIDS and its treatment often alter body composition and result in poorer physical functioning. The aim of this study was to determine the effects of a moderate-intensity exercise program on body composition and the hormones and cytokines associated with adverse health outcomes. HIV-infected males (N = 111) were randomized to an exercise group (EX) who completed 6 weeks of moderate-intensity exercise training, or to a nonintervention control group (CON). In pre- and postintervention, body composition was estimated via DXA, peak strength was assessed, and resting blood samples were obtained. There was a decrease in salivary cortisol at wake (P = 0.025) in the EX and a trend (P = 0.07) for a decrease 1 hour after waking. The EX had a significant increase in lean tissue mass (LTM) (P \u3c 0.001) following the intervention. Those in the EX below median body fat (20%) increased LTM (P = 0.014) only, while those above 20% decreased fat mass (P = 0.02), total fat (N = 0.009), and trunk fat (P = 0.001), while also increasing LTM (P = 0.027). Peak strength increased between 14% and 28% on all exercises in the EX group. These data indicate that 6 weeks of moderate-intensity exercise training can decrease salivary cortisol levels, improve physical performance, and improve body composition in HIV-infected men

    Using GIS technology to identify areas of tuberculosis transmission and incidence

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    BACKGROUND: Currently in the U.S. it is recommended that tuberculosis screening and treatment programs be targeted at high-risk populations. While a strategy of targeted testing and treatment of persons most likely to develop tuberculosis is attractive, it is uncertain how best to accomplish this goal. In this study we seek to identify geographical areas where on-going tuberculosis transmission is occurring by linking Geographic Information Systems (GIS) technology with molecular surveillance. METHODS: This cross-sectional analysis was performed on data collected on persons newly diagnosed with culture positive tuberculosis at the Tarrant County Health Department (TCHD) between January 1, 1993 and December 31, 2000. Clinical isolates were molecularly characterized using IS6110-based RFLP analysis and spoligotyping methods to identify patients infected with the same strain. Residential addresses at the time of diagnosis of tuberculosis were geocoded and mapped according to strain characterization. Generalized estimating equations (GEE) analysis models were used to identify risk factors involved in clustering. RESULTS: Evaluation of the spatial distribution of cases within zip-code boundaries identified distinct areas of geographical distribution of same strain disease. We identified these geographical areas as having increased likelihood of on-going transmission. Based on this evidence we plan to perform geographically based screening and treatment programs. CONCLUSION: Using GIS analysis combined with molecular epidemiological surveillance may be an effective method for identifying instances of local transmission. These methods can be used to enhance targeted screening and control efforts, with the goal of interruption of disease transmission and ultimately incidence reduction
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