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  • 2005-2009  (51)
  • 1
    Electronic Resource
    Electronic Resource
    Texture Evolution In Fe-1%Si as a Function of High Magnetic Field (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 105 (July 2005), p. 151-156 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: The effect of a 1.5T, 15T and 30T magnetic field on texture evolution in Fe-1%Si was investigated by annealing samples for 1 hour at 787°C, (27° above the Curie temperature, Tc = 760°C). The intensity of the Goss texture component increased with increasing field strength accompanied by a drastic increase in grain size
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/21/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.105.151.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Repeated measures screening for Down's Syndrome (2005)
    Oxford, UK and Malden, USA : Blackwell Science Ltd
    BJOG 112 (2005), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective  To demonstrate the potential value of screening for Down's Syndrome using highly correlated repeated measures of serum markers taken in the first and second trimesters of pregnancy.Design  A Monte Carlo simulation study.Population  Detection rates and false positive rates relating to the maternal age distribution of England and Wales for the period 1996 to 1998 were obtained using marker distributions from the SURUSS study.Results  Screening using first trimester nuchal translucency and repeated measures of uE3 and PAPP-A in the first and second trimester has an estimated false positive rate of 0.3% for an 85% detection rate. This should be compared with the integrated test with an estimated false positive rate of 1.2% for the same detection rate.Conclusions  The performance of repeated measures screening tests, and their acceptability to women, should be assessed in further prospective studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.2004.00343.x
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  • 3
    Electronic Resource
    Electronic Resource
    A randomised comparison of microwave endometrial ablation with transcervical resection of the endometrium; follow up at a minimum of five years (2005)
    Oxford, UK and Malden, USA : Blackwell Science Ltd
    BJOG 112 (2005), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective  To compare long term outcomes following microwave endometrial ablation (MEA) or transcervical resection of the endometrium (TCRE).Design  Follow up of a randomised controlled trial.Setting  Gynaecology department of a large UK teaching hospital.Population/Sample  Two hundred and thirty-nine participants in a randomised comparison of MEA with TCRE.Methods  Collection of patient completed postal questionnaires and operative databank review.Main outcome measures  Women's satisfaction with and acceptability of treatment, menstrual symptoms, changes in health-related quality of life and additional treatments received.Results  Two hundred and thirty-six of the original 263 women returned questionnaires (90%) after a minimum of five years post-treatment. Women allocated to MEA were significantly more likely to be totally or generally satisfied with treatment (86%vs 74%; difference 12%, 95% CI 2% to 23%), to find it acceptable (97%vs 91%; difference 6%, 95% CI 1% to 13%) and would recommend it (97%vs 89%; difference 8%, 95% CI 1% to 14%). Bleeding and pain scores were highly significantly reduced following both MEA and TCRE, achieving amenorrhoea rates of 65% and 69%, respectively. The hysterectomy rate after a minimum of five years was 16% in the MEA and 25% in the TCRE arm.Conclusions  Both techniques achieve significant and comparable improvements in menstrual symptoms, and health-related quality of life. While high rates of satisfaction with treatment and acceptability of treatment are achieved by TCRE, these are significantly lower than levels following MEA. These long term data, when combined with the trials' operative findings and known costs of both procedures, now inform us that MEA is a more effective and efficient treatment for heavy menstrual loss than TCRE.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.2004.00511.x
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  • 4
    Electronic Resource
    Electronic Resource
    Numerical study of non-equilibrium weakly ionized air flow past blunt bodies (2005)
    Bradford : Emerald
    International journal of numerical methods for heat & fluid flow 15 (2005), S. 588-610 
    Details
    ISSN: 0961-5539
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Purpose - To compute the Navier-Stokes equations of a non-equilibrium weakly ionized air flow. This can help to have a better description of the flow-field and the wall heat transfer in hypersonic conditions. Design/methodology/approach - The numerical approach is based on a multi block finite volume method and using a Riemann's solver based on a MUSCL-TVD algorithm. In the flux splitting procedure the modified speed of sound, due to the electronic mode, is implemented. Findings - A good description of the shock standoff distance, of the wall heat fluxes and of the peak of electron density number in the shock layer. Research limitations/implications - The radiative effects are not included in this paper. For the very high Mach numbers, this can modify the shock layer parameters. Practical implications - The knowledge of the wall heat transfer in the re-entry body problems. Originality/value - The building of a robust numerical code in order to well describe hypersonic air flow in high Mach numbers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/09615530510601477
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  • 5
    Electronic Resource
    Electronic Resource
    Assessing the human element in service personality formation: personality congruency and the Five Factor Model (2005)
    Bradford : Emerald
    The @journal of services marketing 19 (2005), S. 187-198 
    Details
    ISSN: 0887-6045
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Purpose - This purpose of this paper is to explore the role of service personality in services marketing and service marketing communications. Central to the study is the influence of perceived customer-service personality congruency on service outcomes. The causal ordering of perceived customer-service personality congruency, service perceptions, and service outcomes, is considered. The study also explores the ability of the Five Factor Model traits to explain additional variance in perceived personality congruency beyond the Brand Personality Scale. Design/methodology/approach - Empirical data were gathered via survey administration from 200 customers and 132 employees of a major banking institution. Hierarchical regression analysis and t-tests were performed to analyze the data. Research limitations/implications - The findings suggest that service personality assessments should include measures of the human personality and that perspectives from both employees and customers should be included in service personality assessment. Practical implications - Managers gain much by considering the service personality construct and its influence on service perceptions. Employees directly influence customer perceptions of the firm, and managers should therefore be aware of the types of messages that employees send regarding the service. Human resource departments therefore play central roles in the management of service personality, and employee selection devices are especially important when considering which employees may best fit within the desired service personality. Originality/value - The value of this paper lies in its ability to delineate more clearly the effects of perceived customer-service personality congruency and the role that the Five Factor Model traits play in perceived service performance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/08876040510605226
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  • 6
    Electronic Resource
    Electronic Resource
    Foraging Behavior and Monetary Impact of Wading Birds at Arkansas Baitfish Farms (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 36 (2005), S. 0 
    Details
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract— We conducted foraging observations, food habits studies, and producer surveys to determine the foraging behavior and monetary impact of great blue herons Ardea herodas, great egrets A. alba, and little blue herons Egrerra caerulea foraging at Arkansas baiffish farms. Although great egrets captured most baitfish/minute, captures/strike were nearly identical among the three wading bird species. American gizzard shad Dorosoma cepedianum, goldfish Carassius auratus, and giant water bugs Hemiptera: Belostomatidae were collected from the gastro-intestinal tract of great blue herons. Only golden shiners Noremgonus crysoleucas and goldfish were found in great egrets. We found dragonflies Odonata, golden shiners, green sunfish Lepomis cyanellus, and water bugs in little blue herons. In contrast to other birds collected, snowy egrets E. thula were found to contain mosquito fish Gambusia affinis. Among 2,742 teleost otoliths recovered from collected great blue herons, great egrets, and little blue herons, most otoliths belonged to the Cyprinidae family (including the baiffishes). Surveyed farm managers use various auditory and visual stimuli to disperse fish-eating birds from their farms. Surveyed baitfish farmers suggested that the average cost of their annual bird harassment program was $11,580 at relatively small farms (〈 202 ha) and $104,560 at relatively large × 202 ha) baitfish aquaculture facilities. We estimated the replacement cost of baitfish consumed by wading buds based upon their daily food requirements, the food habits of herons and egrets at baiffish farms, the hypothetical abundance of wading birds at a particular baitfish farm (relative to survey results), the duration of herons and egrets reported by farm managers, and current baitfish market values.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-7345.2005.tb00339.x
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  • 7
    Electronic Resource
    Electronic Resource
    AN INTRODUCTION TO TRP CHANNELS (2006)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Physiology 68 (2006), S. 619-647 
    Details
    ISSN: 0066-4278
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine , Biology
    Notes: The aim of this review is to provide a basic framework for understanding the function of mammalian transient receptor potential (TRP) channels, particularly as they have been elucidated in heterologous expression systems. Mammalian TRP channel proteins form six-transmembrane (6-TM) cation-permeable channels that may be grouped into six subfamilies on the basis of amino acid sequence homology (TRPC, TRPV, TRPM, TRPA, TRPP, and TRPML). Selected functional properties of TRP channels from each subfamily are summarized in this review. Although a single defining characteristic of TRP channel function has not yet emerged, TRP channels may be generally described as calcium-permeable cation channels with polymodal activation properties. By integrating multiple concomitant stimuli and coupling their activity to downstream cellular signal amplification via calcium permeation and membrane depolarization, TRP channels appear well adapted to function in cellular sensation. Our review of recent literature implicating TRP channels in neuronal growth cone steering suggests that TRPs may function more widely in cellular guidance and chemotaxis. The TRP channel gene family and its nomenclature, the encoded proteins and alternatively spliced variants, and the rapidly expanding pharmacology of TRP channels are summarized in online supplemental material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.physiol.68.040204.100431
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  • 8
    Electronic Resource
    Electronic Resource
    Cooperative catabolic pathways within an atrazine-degrading enrichment culture isolated from soil (2005)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 53 (2005), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Atrazine degradation previously has been shown to be carried out by individual bacterial species or by relatively simple consortia that have been isolated using enrichment cultures. Here, the degradative pathway for atrazine was examined for a complex 8-membered enrichment culture. The species composition of the culture was determined by PCR-DGGE. The bacterial species included Agrobacterium tumefaciens, Caulobacter crescentus, Pseudomonas putida, Sphingomonas yaniokuyae, Nocardia sp., Rhizobium sp., Flavobacterium oryzihabitans, and Variovorax paradoxus. All of the isolates were screened for the presence of known genes that function for atrazine degradation including atzA,-B,-C,-D,-E,-F and trzD,-N. Dechlorination of atrazine, which was obligatory for complete mineralization, was carried out exclusively by Nocardia sp., which contained the trzN gene. Following dechlorination, the resulting product, hydroxyatrazine was further degraded via two separate pathways. In one pathway Nocardia converted hydroxyatrazine to N-ethylammelide via an unidentified gene product. In the second pathway, hydroxyatrazine generated by Nocardia sp. was hydrolyzed to N-isopropylammelide by Rhizobium sp., which contained the atzB gene. Each member of the enrichment culture contained atzC, which is responsible for ring cleavage, but none of the isolates carried the atzD,-E, or -F genes. Each member further contained either trzD or exhibited urease activity. The enrichment culture was destabilized by loss of Nocardia sp. when grown on ethylamine, ethylammelide, and cyanuric acid, after which the consortium was no longer able to degrade atrazine. The analysis of this enrichment culture highlights the broad level bacterial community interactions that may be involved in atrazine degradation in nature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/j.femsec.2004.12.011
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  • 9
    Electronic Resource
    Electronic Resource
    Multiple sclerosis (2005)
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Immunological reviews 204 (2005), S. 0 
    Details
    ISSN: 1600-065X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary:  Multiple sclerosis (MS) is a complex genetic disease associated with inflammation in the central nervous system (CNS) white matter and is thought to be mediated by autoimmune processes. Clonal expansion of B cells, their antibody products, and T cells, hallmarks of inflammation in the CNS, are found in MS. The association of the disease with major histocompatibility complex genes, the inflammatory white matter infiltrates, similarities with animal models, and the observation that MS can be treated with immunomodulatory and immunosuppressive therapies support the hypothesis that autoimmunity plays a major role in the disease pathology.This review discusses the immunopathology of MS with particular focus given to regulatory T cells and the role of B cells and antibodies, immunomodulatory therapeutics, and finally new directions in MS research, particularly new methods to define the molecular pathology of human disease with high-throughput examination of germline DNA haplotypes, RNA expression, and protein structures that will allow the generation of a new series of hypotheses that can be tested to develop better understandings and therapies for this disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0105-2896.2005.00240.x
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  • 10
    Electronic Resource
    Electronic Resource
    Melanocyte biology and skin pigmentation (2007)
    [s.l.] : Nature Publishing Group
    Nature 445 (2007), S. 843-850 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Melanocytes are phenotypically prominent but histologically inconspicuous skin cells. They are responsible for the pigmentation of skin and hair, and thereby contribute to the appearance of skin and provide protection from damage by ultraviolet radiation. Pigmentation mutants in various species are ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature05660
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