1,963 research outputs found
Evaluation of a potato leafhopper (PLH) resistant alfalfa cultivar effects on PLH injury in alfalfa: grass mixed stands with and without insecticide.
The combination of a resistant cultivar and a grass resulted in significantly better PLH control than did the resistant cultivar alone or the grass alone. The resistant cultivar had 36% fewer PLH than the susceptible cultivar; however, the number of PLH was significantly higher than for the plots that were sprayed with insecticide (average less than 1 PLH per sub-plot). The untreated plot with the lowest PLH damage score was the resistant alfalfa/grass mixture (score = 1.8), whereas the resistant cultivar alone scored 2.4 and the susceptible cultivar alone and with grass averaged 3.5
Pilgrimâs Progress: Lessons in Shared Governance
In the Spring of 2006, Southern Illinois University Edwardsville (SIUE) initiated a conversation to define a âTeacher-Scholarâ Philosophy appropriate for the campus. In an experience similar to John Bunyanâs protagonist, Christian, in the classic 1678 allegory Pilgrimâs Progress, the SIUE faculty and administrators set off on a 21st century journey of discovery.[2] Our journey, however, was toward shared governance, rather than down the path to salvation. Like Bunyanâs Christian, we traveled metaphorically through the Town of Vanity, the Valley of Humiliation, the Slough of Despond, the Hill of Difficulty, and the Castle of Doubt. Unlike Christian, however, our journey of discovery ended before we crossed the River of Death and entered the Celestial City
Developmentally Sensitive Implementation of Core Elements of Evidence-Based Treatments: Practical Strategies for Youth With Internalizing Disorders
MANY TREATMENT APPROACHES for psychological disorders among children and adolescents are downward extensions of adult treatment models. According to Barrett (2000), when treatments for childhood disorders are based on cognitive behavioral models of adult disorders, clinicians may make inaccurate assumptions, such as viewing children as âlittle adults,â thereby failing to adjust treatment terminology for children and ignoring contextual factors such as families and peers. Subscribing to adult models may also result in a lack of awareness of research findings in the field of developmental psychology (e.g., cognitive abilities, social skills, emotion regulation) and, consequently, implementation of treatment strategies in a similar manner across levels of development (e.g., assuming all children possess the same level of meta-cognitive skills). As Kingery and colleagues (2006) emphasize, simply utilizing a treatment that has been developed for youth is not sufficient. Particularly when implementing manual-based CBT for youth with internalizing disorders, clinicians must be knowledgeable, creative, and flexible, taking each childâs individual cognitive, social, and emotional skills into consideration to provide the most developmentally appropriate intervention
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The Neurovascular Relation in Oxygen-induced Retinopathy
Purpose: Longitudinal studies in rat models of retinopathy of prematurity (ROP) have demonstrated that abnormalities of retinal vasculature and function change hand-in-hand. In the developing retina, vascular and neural structures are under cooperative molecular control. In this study of rats with oxygen-induced retinopathy (OIR) models of ROP, mRNA expression of vascular endothelial growth factor (VEGF), semaphorin (Sema), and their neuropilin receptor (NRP) were examined during the course of retinopathy to evaluate their roles in the observed neurovascular congruency. Methods: Oxygen exposures designed to induce retinopathy were delivered to Sprague-Dawley rat pups (n=36) from postnatal day (P) 0 to P14 or from P7 to P14. Room-air-reared controls (n=18) were also studied. Sensitivities of the rod photoreceptors () and the postreceptor cells (Sm) were derived from electroretinographic (ERG) records. Arteriolar tortuosity, , was derived from digital fundus images using Retinal Image multi-Scale Analysis (RISA) image analysis software. mRNA expression of , semaphorin IIIA (Sema3A), and neuropilin-1 (NRP-1) was evaluated by RTâPCR of retinal extracts. Tests were performed at P15âP16, P18âP19, and P25âP26. Relations among ERG, RISA, and PCR parameters were evaluated using linear regression on log transformed data. Results: Sm was low and was high at young ages, then both resolved by P25âP26. and Sema3A mRNA expression were also elevated early and decreased with age. Low Sm was significantly associated with high and Sema3A expression. Low Srod was also significantly associated with high VEGF164. and Sm were both correlated with . NRP-1 expression was little affected by OIR. Conclusions: The postreceptor retina appears to mediate the vascular abnormalities that characterize OIR. Because of the relationships revealed by these data, early treatment that targets the neural retina may mitigate the effects of ROP
Glucose metabolism in children and adolescents:Population-based reference values and comparisons to children and adolescents enrolled in obesity treatment
Positive youth development in swimming: clarification and consensus of key psychosocial assets
The purpose of this study was to gain a more cohesive understanding of the assets considered necessary to develop in young swimmers to ensure both individual and sport specific development. This two stage study involved (a) a content analysis of key papers to develop a list of both psychosocial skills for performance enhancement and assets associated with positive youth development, and (b) in-depth interviews involving ten expert swim coaches, practitioners and youth sport scholars. Five higher order categories containing seventeen individual assets emerged. These results are discussed in relation to both existing models of positive youth development and implications for coaches, practitioners and parents when considering the psychosocial development of young British swimmers
Associations of common breast cancer susceptibility alleles with risk of breast cancer subtypes in BRCA1 and BRCA2 mutation carriers
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Correlates of HIV testing among abused women in South Africa
Gender-based violence increases a womanâs risk for HIV but little is known about her
decision to get tested. We interviewed 97 women seeking abuse-related services from
a nongovernmental organization (NGO) in Johannesburg, South Africa. Forty-six women
(47%) had been tested for HIV. Caring for children (odds ratio [OR] = 0.27, 95% confidence
interval [CI] = [0.07, 1.00]) and conversing with partner about HIV (OR = 0.13, 95%
CI = [0.02, 0.85]) decreased odds of testing. Stronger risk-reduction intentions (OR = 1.27,
95% CI = [1.01, 1.60]) and seeking help from police (OR = 5.51, 95% CI = [1.18, 25.76])
increased odds of testing. Providing safe access to integrated services and testing may
increase testing in this population. Infection with HIV is highly prevalent in South Africa
where an estimated 16.2% of adults between the ages of 15 and 49 have the virus. The
necessary first step to stemming the spread of HIV and receiving life-saving treatment is
learning oneâs HIV serostatus through testing. Many factors may contribute to someoneâs
risk of HIV infection and many barriers may prevent testing. One factor that does both is
gender-based violence.The authors disclosed that they received the following support for their research and/or authorship
of this article: This research was supported by grants WAF 244 (01-016; awarded to
Kathleen Sikkema, PhD) from the World AIDS Foundation, and D43-TW05808 from the NIH
Fogarty International Center and P30-MH62294 Center for Interdisciplinary Research on AIDS (CIRA) from NIMH (awarded to Michael H. Merson, MD). Dr. Adams was supported by
5KL2RR024127-03 from the NIH National Center for Research Resources.http://www.sagepub.co.uk/journalsProdDesc.nav?prodId=Journal20083
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