74 resultados para pharmaceutical samples

em Deakin Research Online - Australia


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Pharmaceutical benefits provide a stable framework within which consumers, prescribers, suppliers, pharmacists and other actors undertake transactions. The state in effect delivers a good that enhances individual autonomy. A major reason for the legitimacy enjoyed by pharmaceutical benefits in both Australia and Sweden is that these programs have strong attributes of universalism (rather than targeting). Sweden's predominantly public health system allows greater scope for pharmaceutical policy innovation. Australia's Pharmaceutical Benefits Scheme (PBS), while historically resilient and effective, is now wedged precariously between traditional considerations of equity and public health on the one hand, and constant pressure for increased marketisation on the other.

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This study examined whether age, gender, intelligence, communication ability and shyness predict intellectually disabled children’s susceptibility to an interviewer’s misleading suggestions. Further, the study examined whether the relative influence of these factors differs between intellectually disabled and mainstream samples. Participants included 75 children with mild and borderline intellectual disabilities (aged 77–158 months) and 83 mainstream children (aged 68–152 months). All children were individually administered the Yield and Shift subscales of the Gudjonsson Suggestibility Scale (Form 2) as well as standardised measures of IQ, shyness and communication ability. For the intellectually disabled children, multiple regression analyses revealed that age, IQ and communication inversely predicted Yield suggestibility, however, none of the factors predicted Shift suggestibility. For the mainstream children, age made a significant independent contribution to both Yield and Shift suggestibility, while IQ was a significant predictor of Shift suggestibility. When comparing the relative impact of these factors across the samples, age had a significantly greater impact on mainstream (compared with intellectually disabled) children’s Shift suggestibility, while IQ had a significantly greater influence on intellectually disabled (compared with mainstream) children’s Yield scores. These findings highlight the limited generalisability of previous findings involving mainstream children’s suggestibility to intellectually disabled samples.


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For some research projects, recruiting in public places is an invaluable addition to sampling strategies. It complements the more traditional recruitment strategies by providing researchers with' opportunities to include people in the research who would otherwise be excluded. One of the limitations of selective and snowball sampling is that participants often come from the same social group. Participants from these social groups often share similar experiences and ways of thinking about those experiences. The aim of recruiting in public places is to move beyond this 'in group' to ensure a wider perspective. This paper illustrates how recruiting in public places can provide greater sample diversity for theoretical strength. The paper begins with a brief overview of recruiting in public places. It then describes the theoretical considerations associated with this recruiting strategy. The paper demonstrates how recruiting in public places facilitates grounded theory by providing comparisons that are informed by diverse experiences. Using examples and a case study, we illustrate how recruiting in public places can complement selective, snowball and theoretical sampling to ensure a more comprehensive sample.

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The mono-isopropylamine salt of glyphosate was selectively determined directly in industrial and commercial formulations using flow injection analysis with tris(2,2′-bipyridyl)ruthenium(II) chemiluminescence detection without the need for separation. Glyphosate and its mono-isopropylamine salt furnished detection limits of 7×10−9 and 3.5×10−10 M and relative standard deviations of 0.4% at 1×10−7 M and 0.8% at 5×10−8 M, respectively. The methodology is robust and reliable with samples subjected only to aqueous dilution prior to analysis.

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Although the dominant methods for the determination of urea in clinical applications incorporate selective enzymatic hydrolysis of urea, the determination of urea in soil extracts is complicated by the presence of urease inhibitors. The spectrophotometric determination of urea with an acidic solution diacetyl monoxime and semicarbazide is a viable option but traditional manual procedures are time-consuming. New variations on these procedures, based on microplates or flow-injection analysis methodologies, allow a far greater number of samples to be analysed with high precision and sensitivity.

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Although youth drug and alcohol harm minimization policies in Australia are often contrasted with the abstinence and zero tolerance policies adopted in the United States, there has been little research directly comparing youth substance use behaviour in the two countries. Three state representative samples in Victoria, Australia (n = 7898) and in the US states of Oregon (n = 15 224) and Maine (n = 16 245) completed a common cross-sectional student survey. Rates of alcohol use (lifetime alcohol use, recent use in the past 30 days), alcohol use exceeding recommended consumption limits (binge drinking: five or more drinks in a session), other licit drug use (tobacco use), and norm-violating substance use (substance use at school, use in the past 30 days of marijuana or other illicit drug use) were compared for males and females at ages 12-17. Rates were lower (odds ratios 0.5-0.8) for youth in Maine and Oregon compared to Victoria for lifetime and recent alcohol use, binge drinking and daily cigarette smoking. However, rates of recent marijuana use and recent use of other illicit drugs were higher in Maine and Oregon, as were reports of being drunk or high at school. In contradiction of harm minimization objectives, Victoria, relative to the US states of Oregon and Maine, demonstrated higher rates of alcohol use exceeding recommended consumption limits and daily tobacco use. However, findings suggested that aspects of norm-violating substance use (substance use at school, marijuana use and other illicit drug use) were higher in the US states compared to Victoria.

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This paper is part of study of how the adoption of the Internet is affecting the traditional public relations practices of Australian pharmaceutical companies. It suggests that Australian pharmaceutical companies are behind both America and Europe, not only in their adoption of the Internet, but also in their application of Internet technologies for public relations. It also suggests that direct interpersonal communication remains the preferred option for Australian pharmaceutical companies to communicate and build relationships with doctors and pharmacists. The paper is the result of interviews with pharmacists and doctors and one pharmaceutical industry representative. It also involved a survey of pharmaceutical companies’ web sites.

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India has built a large pharmaceutical industry through an array of measures in support of domestic firms. The absence of product patents enabled Indian companies to become world leading producers of generic versions of patented drugs. Low costs and a strong engineering tradition continue to sustain competitive strength. The implementation of the World Trade Organization patent regime in 2005 is driving a transformation of the industry. Key elements of the present shake-up include the return of 'big pharma' companies on a large scale and the emergence of several Indian firms that aim to become fullyfledged research-based multinationals. This article provides a description of the development and structure of the Indian pharmaceutical industry and explores questions and challenges arising from its integration into global markets.

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The purpose of this paper is to describe a process for sampling specific domain name zones on the World Wide Web. Because of the size of the Web, sampling strategies must be employed in order to effectively model and study the Web business environment.  This paper discusses Various efforts employed to sample the Web, which ranged from random generation of Internet Protocol Addresses and domain names, to the process finally
employed to create descriptive models of the dot-com domain name zones. The paper suggests that sampling the Web Top Level Domains offers a reasonable alternative for business researchers because it requires only familiarity with the use of the simple Web utilities such as File Transfer
Protocols to obtain initial domain name listings.

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A sequential injection analysis procedure with dual-reagent chemiluminescence detection was applied to the screening of street drug seizure samples for the presence of heroin. The chemiluminescence reagents (acidic potassium permanganate and tris(2,2′-bipyridine)ruthenium(III)) were aspirated from either side of a sample aliquot that was sufficiently large to prevent interdispersion of the reagent zones, and therefore two different chemical reactions could be performed simultaneously at either end of the sample zone. The presence of heroin in seizure samples was indicated by a strong response with the tris(2,2′-bipyridine)ruthenium(III) reagent and confirmed by a significant increase in the response with the permanganate reagent when the sample was treated with sodium hydroxide to hydrolyse the heroin to morphine. Nicomorphine (a morphine-derived pharmaceutical) was synthesised and tested under the same conditions. The responses with the permanganate reagent were similar to those for heroin, which supports the proposed chemical basis for the test. However, the responses with tris(2,2′-bipyridine)ruthenium(III) were far lower for nicomorphine than heroin (approximately 5-fold for the samples that had not been hydrolysed).

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Lumiracoxib (Prexige©) 200 mg was listed in Australia’s Pharmaceutical Benefits Scheme (PBS) schedules on 01 August 2006. The listing was intended as a cost-minimisation strategy, as lumiracoxib 200 mg was deemed equivalent in therapeutic effect to celecoxib (Celebrex©) 200 mg, and was available at a lower cost. By the time of listing on the PBS, a safety re-evaluation of the recommended daily dose of lumiracoxib was being considered in other national regulatory jurisdictions. Within 3 months of listing, the manufacturer revised the recommended dosage to half that of the PBS-listed dosage. However, the PBS listing was neither revoked nor modified. At the time of listing on the PBS, lumiracoxib was known to be 17 times as biochemically selective in inhibiting the COX-2 isoform as celecoxib, and twice as selective as rofecoxib, already withdrawn for safety reasons. Safety concerns had already been raised about adverse hepatic outcomes on daily doses of lumiracoxib 200 mg. Communication of information about the risk potential of lumiracoxib was inadequate. Economic and political considerations were prioritised over patient safety, and lumiracoxib 200 mg remained available via the PBS until 10 August 2007, when it was withdrawn for safety reasons following cases of hepatic morbidity and mortality.