4,303 research outputs found

    A review of Goerita (Trichoptera: Goeridae) : with description of a new species

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    Goerita Ross is restricted to the Appalachian Mountains and Allegheny Plateau of eastern North America. A new species is described, bringing the total in the genus to three. Keys to larvae and adults are presented, and the distributions of the species are recorded

    A review of \u3ci\u3eGoerita\u3c/i\u3e (Trichoptera: Goeridae), with description of a new species

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    Goerita Ross is restricted to the Appalachian Mountains and Allegheny Plateau of eastern North America. A new species is described, bringing the total in the genus to three. Keys to larvae and adults are presented, and the distributions of the species are recorded

    A review of \u3ci\u3eGoerita\u3c/i\u3e (Trichoptera: Goeridae), with description of a new species

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    Goerita Ross is restricted to the Appalachian Mountains and Allegheny Plateau of eastern North America. A new species is described, bringing the total in the genus to three. Keys to larvae and adults are presented, and the distributions of the species are recorded

    A review of the genus Agapetus Curtis (Trichoptera: Glossosomatidae) in eastern and central North America, with description of 12 new species

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    Twenty-nine species of caddisflies in the genus Agapetus Curtis in eastern and central North America are reviewed. Twelve are described as new species: Agapetus aphallus (known only from females); Agapetus baueri, Agapetus flinti, Agapetus harrisi, Agapetus hesperus, Agapetus ibis, Agapetus kirchneri, Agapetus meridionalis, Agapetus pegram, Agapetus ruiteri, Agapetus stylifer, and Agapetus tricornutus. Agapetus rossi Denning 1941 is recognized as a junior subjective synonym of Agapetus walkeri (Betten and Mosely 1940), new synonym. A key to males is provided, and species’ distributions are mapped

    Developing the buyer-friendly transportation salesperson: an empirical analysis of the most important seller traits and behaviors from the transportation buyer’s perspective

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    The research reported in this manuscript provides several insights regarding the specific behaviors and traits of transportation salespersons as sought by a sample of shippers. Shippers in both manufacturing and non-manufacturing industries were asked to evaluate the importance of 30 potential salesperson characteristics. Overall, dependability, ethical conduct, honesty, provision of regular service, and solution selling were ranked as the most important (“must have”) characteristics. In addition to the overall rankings, t-tests were used to compare the manufacturing and non-manufacturing groups and ANOVA tests were used to compare the responses of shippers which were grouped by number of contacts from salespersons

    The Marketing Of Body Image: A Cross-Cultural Comparison Of Gender Effects In The U.S. And China

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    Recently, there has been increasing controversy about the use of extremely thin female models and extremely muscular male models in advertising and fashion campaigns.  While this practice has been studied extensively over time, it is again in the forefront as models with low body mass indexes are being kept off runways around the world.  While most consumers understand that these images are nearly unattainable, they do tend to compare themselves with these idealized images resulting in lower satisfaction with their own bodies and lower self-esteem.  While past research most often examines these feelings with respect to women, there is little research on the effect on men and their self-image.  Also, while this has primarily been a “western” problem, it is becoming a problem in “eastern” cultures as western images and advertising campaigns proliferate.  This study examines both U.S. and Chinese men and women’s perceptions of body image.  The findings show cultural differences between the U.S. and Chinese males and females.  The U.S. women were the most affected, while there was no difference by gender between the Chinese men and women.  However, as the Chinese culture becomes more influenced by western ideals, this trend in body image dissatisfaction should increase

    Truckload transportation requirements: in anticipation of Y2K with epilogue

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    This article investigates the impact of the much-hyped Y2K phenomenon on truckload transportation requirements in the United States, as a result of year-end inventory build-ups. The article reports the results of a Y2K Truckload Transportation Survey of truckload shippers conducted in August of 1999. Additionally, the article takes a post-hoc look at what actually occurred in an effort to completely document the impact of the Y2K phenomenon in the dry van, temperature controlled, and flatbed segments of the truckload transportation industry

    Trends in use of neonatal CPAP: a population-based study

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    <p>Abstract</p> <p>Background</p> <p>Continuous positive airway pressure (CPAP) is used widely to provide respiratory support for neonates, and is often the first treatment choice in tertiary centres. Recent trials have demonstrated that CPAP reduces need for intubation and ventilation for infants born at 25-28 weeks gestation, and at > 32weeks, in non-tertiary hospitals, CPAP reduces need for transfer to NICU. The aim of this study was to examine recent population trends in the use of neonatal continuous positive airway pressure.</p> <p>Methods</p> <p>We undertook a population-based cohort study of all 696,816 liveborn neonates ≥24 weeks gestation in New South Wales (NSW) Australia, 2001-2008. Data were obtained from linked birth and hospitalizations records, including neonatal transfers. The primary outcome was CPAP without mechanical ventilation (via endotracheal intubation) between birth and discharge from the hospital system. Analyses were stratified by age ≤32 and > 32 weeks gestation.</p> <p>Results</p> <p>Neonates receiving any ventilatory support increased from 1,480 (17.9/1000) in 2001 to 2,486 (26.9/1000) in 2008, including 461 (5.6/1000) to 1,465 (15.8/1000) neonates who received CPAP alone. There was a concurrent decrease in mechanical ventilation use from 12.3 to 11.0/1000. The increase in CPAP use was greater among neonates > 32 weeks (from 3.2 to 11.8/1000) compared with neonates ≤32 weeks (from 18.1 to 32.7/1000). The proportion of CPAP > 32 weeks initiated in non-tertiary hospitals increased from 6% to 30%.</p> <p>Conclusions</p> <p>The use of neonatal CPAP is increasing, especially > 32 weeks gestation and among non-tertiary hospitals. Recommendations are required regarding which infants should be considered for CPAP, resources necessary for a unit to offer CPAP and monitoring of longer term outcomes.</p

    Potential Tumor Suppressor Role for the c-Myb Oncogene in Luminal Breast Cancer

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    The transcription factor c-Myb has been well characterized as an oncogene in several human tumor types, and its expression in the hematopoietic stem/progenitor cell population is essential for proper hematopoiesis. However, the role of c-Myb in mammopoeisis and breast tumorigenesis is poorly understood, despite its high expression in the majority of breast cancer cases (60-80%).We find that c-Myb high expression in human breast tumors correlates with the luminal/ER+ phenotype and a good prognosis. Stable RNAi knock-down of endogenous c-Myb in the MCF7 luminal breast tumor cell line increased tumorigenesis both in vitro and in vivo, suggesting a possible tumor suppressor role in luminal breast cancer. We created a mammary-derived c-Myb expression signature, comprised of both direct and indirect c-Myb target genes, and found it to be highly correlated with a published mature luminal mammary cell signature and least correlated with a mammary stem/progenitor lineage gene signature.These data describe, for the first time, a possible tumor suppressor role for the c-Myb proto-oncogene in breast cancer that has implications for the understanding of luminal tumorigenesis and for guiding treatment
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