981 resultados para George IV, King of Great Britain, 1762-1830.
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Mode of access: Internet.
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A telephone survey of 51 National Hunt racing yards with 1140 horses in training was made in April and May 2003 to establish the incidence of exertional rhabdomyolysis syndrome during the previous year. A case-control study was used to investigate the risk factors for the syndrome in eight yards selected on the basis that cases had been confirmed by the analysis of serum muscle enzymes. The overall incidence of syndrome was 6 center dot 1 cases per 100 horses per year, and 55 per cent of the yards reported at least one case. The risk factors identified were sex, the average length of the training gallop, and the type of horse (steeplechaser, bumper/unraced or hurdler). There were no significant associations with the horses' temperament, age or Timeform rating.
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This article deals with reasons for the motivation to study in higher education. To find out about motives, around 200 A-level students in Germany and Great Britain were asked about their plans for the time after completion of their A-levels. Through socio-demographic data the authors could deploy facts about social backgrounds and the affiliations to socio-economic classes. There are some expected findings (e.g., British A-level students are more likely to study than their German comrades) and some pretty unexpected results (e.g., social classes do not seem to divide students into choosing university or not).
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Objective - The objective of the research was to examine to what extent community pharmacists in Great Britain believed that their job was concerned with local public health issues. Methods - The project (Pharmacy and Public Health)received ethical approval from the Research Ethics Committee of the School of Life and Health Sciences at Aston University. After piloting, in August 2006 a self-completion postal questionnaire was sent to practicing community pharmacists in Great Britain (n=1998), with a follow-up to non-responders 4 weeks later. A final response rate of 51% (n=1023/1998) was achieved. Results - Respondents were asked to indicate their answer to the question “to what extent is your present job concerned with local public health issues?” on a three-point scale – “highly”, “slightly” or “not at all” concerned with public health. They were also asked to indicate whether they were pharmacy owners, employee pharmacists or self-employed locum pharmacists. Less than half (43%,n=384/898) of respondents answering both questions believed that their job was highly concerned with public health. A relationship was observed between employment status and the level to which a respondent believed that their job was concerned with public health (chi-square test with P=0.001). Over half of pharmacy owners (51%, n=68/134) considered that their job was highly concerned with public health compared to44% (n=193/443) of employee pharmacists and38% (n=123/321) of locum pharmacists. Conclusion - This research suggests that community pharmacists in Great Britain are not ‘fully engaged’ with public health. Pharmacy owners may feel more enfranchised in the public health movement than their employees and locums. Indeed, one-in-ten locums reported that their job was not at all concerned with public health which, as locum pharmacists constitute over a third of actively employed community pharmacists, could be limiting factor in any drive to strengthen the public health function of community pharmacists.
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Aim - To produce empirical evidence on the commitment to study pharmacy in terms of what motivates and influences students in their choice of subject and university. Design - Self-completion survey. Quantitative analysis by SPSS. Subjects and setting - Year 1 and year 4 undergraduates in schools of pharmacy in Great Britain. Results - The response rate was 35.2%. Students registered a high desire to study pharmacy; 73% of year 1 and 71% of year 4 placed it first priority at the time of application. Of those for whom it was not first choice, medicine was the preferred option. The two most important factors in choice were reputation of the school of pharmacy and reputation of the university. Conclusion - This study confirms that most applicants to study pharmacy were strongly committed to the subject. In addition, this study has allowed us to put an empirical figure to the proportion of students who at the time of applying for pharmacy would rather study medicine.
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Objectives Curcuma zedoaroides A. Chaveerach & T. Tanee, locally known as Wan-Paya-Ngoo-Tua-Mia, is commonly used in the North-Eastern part of Thailand as a 'snakebite antidote'. The aim of this study was to isolate the active compound from the rhizome of C. zedoaroides, to determine its structure and to assess its antagonistic activity in vitro and in vivo against King cobra venom. Methods The active compound was obtained from C. zedoaroides by extraction with acetone followed by purification using column chromatography; its X-ray structure was determined. Its inhibition of venom lethality was studied in vitro in rat phrenic nerve-hemidiaphragms and in vivo in mice. Key findings The acetone extract of the Curcuma rhizomes contained a C20 dialdehyde, [2-(5,5,8a-trimethyl-2-methylene-decahydro-naphthalen-1-yl)-ethylidene] -succinaldehyde, as the major component. The isolated curcuma dialdehyde was found active in vitro and in vivo for antivenin activity against the King cobra venom. Using isolated rat phrenic nerve-hemidiaphragm preparations, a significant antagonistic effect on the inhibition of neuromuscular transmission was observed in vitro. Inhibition on muscle contraction, produced by the 4 μg/ml venom, was reversed by 2-16 μg/ml of Curcuma dialdehyde in organ bath preparations over a period of 2 h. Mice intraperitoneally injected with 0.75 mg/kg venom and dialdehyde at 100 mg/kg had a significantly increased survival time. Injection of Curcuma dialdehyde (100 mg/kg) 30 min before the subcutaneous injection of the venom resulted in a 100% survival time after 2 h compared with 0% for the control group. Conclusions The in vitro and in vivo evaluation confirmed the medicinal use of traditional snake plants against snakebites. The bioactivity is linked to an isolated molecule and not a result of synergistic effects of a mixture. The active compound was isolated and the structure fully elucidated, including its stereochemistry. This dialdehyde is a versatile chemical building block and can be easily obtained from this plant source. © 2010 Royal Pharmaceutical Society of Great Britain.
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Date of acceptance: 09/07/2015
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Date of acceptance: 09/07/2015
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Date of acceptance: 09/07/2015
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Purpose: affecting approximately one in four adults over the age of 40 years in the UK, knee pain is the most common presenting feature of osteoarthritis (OA). Despite the plethora of studies that have investigated the factors associated with the onset of knee pain in the sedentary population, relatively little is known about the prevalence and occupational factors associated with knee pain in an athletic sporting population. This study aimed to determine in Great Britain’s (GB) Olympians, aged 40 years and older, (1) the individual factors.
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Cytogenetic analysis of Astylus antis using mitotic and meiotic cells was performed to characterize the haploid and diploid numbers, sex determination system, chromosome morphology, constitutive heterochromatin distribution pattern and chromosomes carrying nucleolus organizer regions (NORs). Analysis of spermatogonial metaphase cells revealed the diploid number 2n = 18, with mostly metacentric chromosomes. Metaphase I cells exhibited 2n = 8II+Xyp and a parachute configuration of the sex chromosomes. Spermatogonial metaphase cells submitted to C-banding showed the presence of small dots of constitutive heterochromatin in the centromeric regions of nearly all the autosomes and on the short arm of the X chromosome (Xp), as well as an additional band on one of the arms of pair 1. Mitotic cells submitted to double staining with base-specific fluorochromes (DAPI-CMA3) revealed no regions rich in A+T or G+C sequences. Analysis of spermatogonial mitotic cells after sequential Giemsa/AgNO3 staining did not reveal any specific mark on the chromosomes. Meiotic metaphase I cells stained with silver nitrate revealed a strong impregnation associated to the sex chromosomes, and in situ hybridization with an 18S rDNA probe showed ribosomal cistrons in an autosomal bivalent.
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The residence time distribution and mean residence time of a 10% sodium bicarbonate solution that is dried in a conventional spouted bed with inert bodies were measured with the stimulus-response method. Methylene blue was used as a chemical tracer, and the effects of the paste feed mode, size distribution of the inert bodies, and mean particle size on the residence times and dried powder properties were investigated. The results showed that the residence time distributions could be best reproduced with the perfect mixing cell model or N = 1 for the continuous stirred tank reactor in a series model. The mean residence times ranged from 6.04 to 12.90 min and were significantly affected by the factors studied. Analysis of variance on the experimental data showed that mean residence times were affected by the mean diameter of the inert bodies at a significance level of 1% and by the size distribution at a level of 5%. Moreover, altering the paste feed from dripping to pneumatic atomization affected mean residence time at a 5% significance level. The dried powder characteristics proved to be adequate for further industrial manipulation, as demonstrated by the low moisture content, narrow range of particle size, and good flow properties. The results of this research are significant in the study of the drying of heat-sensitive materials because it shows that by simultaneously changing the size distribution and average size of the inert bodies, the mean residence times of a paste can be reduced by half, thus decreasing losses due to degradation.