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Search Results: 1 - 10 of 602 matches for " Brianna Heath "
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Wikis: Promoting Collaborative Literacy through Affordable Technology in Content-Area Classrooms  [PDF]
Brianna Carney-Strahler
Creative Education (CE) , 2011, DOI: 10.4236/ce.2011.22011
Abstract: Educators may realize the impact technology has on students, but may be ill equipped to integrate high-tech devices into the classroom in an affordable way. Educators can capitalize on students’ experience with technology by incorporating wikis, a collaborative webpage, into classroom instruction. Studies indicate that wiki technology can greatly enhance student collaboration and build content-area literacy skills. There are several research-based applications for implementing wiki technology into content-area classrooms. However, educators must consider the effect of wikis on curricula before integrating wikis into the classroom.
The Utility of MMPI-2 Scores with a Correctional Population & Convicted Sex Offenders  [PDF]
Brianna Leigh Grover
Psychology (PSYCH) , 2011, DOI: 10.4236/psych.2011.26098
Abstract: The MMPI-2 is a widely used objective personality measure across all settings. It is especially useful in correctional settings due to its objectivity with standardized administration and scoring This helps aid many factors including volume, legal accountability, the nature of the clientele, and the need for security. Since assessments provide very useful information about prisoners for correctional staff, these factors make the MMPI-2 a very valuable test to use in prison. Studies have found no significant differences between African Americans and Caucasians, however have found subtle differences between MMPI-2 scores of males and female offenders. One specific area the MMPI-2 has been used for in prison is with sex offenders. Previous studies have aimed to use the MMPI-2 to identify high and low risk sex offenders, as well as differentiate between general sex offenders and internet sex offenders. Not only has it been used to identify certain sex offenders, it has been used in examining the predictors of completion of sex offender treatment programs.
Categorical Lagrangian Grassmannians and Brauer-Picard groups of pointed fusion categories
Dmitri Nikshych,Brianna Riepel
Mathematics , 2013,
Abstract: We analyze the action of the Brauer-Picard group of a pointed fusion category on the set of Lagrangian subcategories of its center. Using this action we compute the Brauer-Picard groups of pointed fusion categories associated to several classical finite groups. As an application, we construct new examples of weakly group-theoretical fusion categories.
Sphk1 Expression and Survival Outcomes in Squamous Cell Carcinoma of the Oral Cavity  [PDF]
Brianna N. Harris, Rizwan Masood, Uttam K. Sinha
Journal of Cancer Therapy (JCT) , 2013, DOI: 10.4236/jct.2013.43086
Abstract:

Sphingosine kinase 1 (SphK1) is an important mediator of apoptosis and the proliferation of cancer cells. It is upregulated in cells showing increasing radioresistance. Here we present the correlation between SphK1 expression and survival outcomes in patients with carcinoma of the oral cavity. A retrospective chart review was performed between January 2009 and August 2010 at the University of Southern California. Patients diagnosed with an advanced-stage primary tumor restricted to the oral cavity and a minimum follow-up of two years were included. Patients who did not receive post-operative radiation therapy were excluded. Eighteen patients met the inclusion criteria with 10 (55.6%) patients demonstrating high expression of SphK1 and 8 (44.4%) patients demonstrating a low-to-moderate expression of SphK1. Tumor recurrence occurred in 9 patients (50.0%): 5 patients (27.8%) in the SphK1high cohort at a mean time to progression of 2.5 mo and 4 patients (22.2%) in the SphK1low cohort at a mean time to progression of 11.0 mo (p = 0.023). Death occurred in 8 patients (66.7%) in the SphK1high cohort and 3 patients (16.7%) in the SphK1low cohort (p = 0.036). Higher expression of SphK1 correlates with greater radioresistance and poorer survival outcomes in patients with HNSCC of the oral cavity.

Localization phase diagram of two-dimensional quantum percolation
Brianna S. Dillon,Hisao Nakanishi
Physics , 2013, DOI: 10.1140/epjb/e2014-50397-4
Abstract: We examine quantum percolation on a square lattice with random dilution up to $q=38%$ and energy $0.001 \le E \le 1.6$ (measured in units of the hopping matrix element), using numerical calculations of the transmission coefficient at a much larger scale than previously. Our results confirm the previous finding that the two dimensional quantum percolation model exhibits localization-delocalization transitions, where the localized region splits into an exponentially localized region and a power-law localization region. We determine a fuller phase diagram confirming all three regions for energies as low as $E=0.1$, and the delocalized and exponentially localized regions for energies down to $E=0.001$. We also examine the scaling behavior of the residual transmission coefficient in the delocalized region, the power law exponent in the power-law localized region, and the localization length in the exponentially localized region. Our results suggest that the residual transmission at the delocalized to power-law localized phase boundary may be discontinuous, and that the localization length is likely not to diverge with a power-law at the exponentially localized to power-law localized phase boundary. However, further work is needed to definitively assess the characters of the two phase transitions as well as the nature of the intermediate power-law regime.
Human Induced Pluripotent Stem Cell-Derived Models to Investigate Human Cytomegalovirus Infection in Neural Cells
Leonardo D'Aiuto, Roberto Di Maio, Brianna Heath, Giorgio Raimondi, Jadranka Milosevic, Annie M. Watson, Mikhil Bamne, W. Tony Parks, Lei Yang, Bo Lin, Toshio Miki, Jocelyn Danielle Mich-Basso, Ravit Arav-Boger, Etienne Sibille, Sarven Sabunciyan, Robert Yolken, Vishwajit Nimgaonkar
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0049700
Abstract: Human cytomegalovirus (HCMV) infection is one of the leading prenatal causes of congenital mental retardation and deformities world-wide. Access to cultured human neuronal lineages, necessary to understand the species specific pathogenic effects of HCMV, has been limited by difficulties in sustaining primary human neuronal cultures. Human induced pluripotent stem (iPS) cells now provide an opportunity for such research. We derived iPS cells from human adult fibroblasts and induced neural lineages to investigate their susceptibility to infection with HCMV strain Ad169. Analysis of iPS cells, iPS-derived neural stem cells (NSCs), neural progenitor cells (NPCs) and neurons suggests that (i) iPS cells are not permissive to HCMV infection, i.e., they do not permit a full viral replication cycle; (ii) Neural stem cells have impaired differentiation when infected by HCMV; (iii) NPCs are fully permissive for HCMV infection; altered expression of genes related to neural metabolism or neuronal differentiation is also observed; (iv) most iPS-derived neurons are not permissive to HCMV infection; and (v) infected neurons have impaired calcium influx in response to glutamate.
The Baum-Connes conjecture, noncommutative Poincaré duality, and the boundary of the free group
Heath Emerson
International Journal of Mathematics and Mathematical Sciences , 2003, DOI: 10.1155/s0161171203209169
Abstract: For every hyperbolic group Γ with Gromov boundary ∂Γ, one can form the cross product C∗-algebra C(∂Γ)⋊Γ. For each such algebra, we construct a canonical K-homology class. This class induces a Poincaré duality map K∗(C(∂Γ)⋊Γ)→K∗
Combating Disease Mongering: Daunting but Nonetheless Essential
Iona Heath
PLOS Medicine , 2006, DOI: 10.1371/journal.pmed.0030146
Abstract:
Person-centered prevention and health promotion
Iona Heath
International Journal of Integrated Care , 2010,
Abstract:
World Organisation of Family Doctors (Wonca) perspectives on person-centered medicine
Iona Heath
International Journal of Integrated Care , 2010,
Abstract:
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