1,765 research outputs found

    Planning and Elaboration

    Get PDF
    Buildings, like people, need to be a part of something larger than themselves, and to be approachable and understandable. Cities which are organized on the scale of society, and whose creation requires scales of time, effort, and resources far beyond any single project, represent this larger view, while the way individuals relate and fit into them determines whether they are humane and pleasant places..

    Letā€™s bridge the gap! Cross-cultural mentoring

    Get PDF
    Few Black students graduate from signed language interpreting programs across the United States and even fewer continue practicing in the signed language interpreting field. Black Deaf consumers are often left with White interpreters who know little of Black cultural norms, and the complexity of cultural information is sometimes mishandled while messages are relayed (Shambourger, 2015). The longevity and numbers of Black interpreters in the field of signed language interpreting needs to increase, and Interpreter Training Programs should be trailblazers in this effort (West-Oyedele, 2015). In addition, many White interpreters in the field need to learn about the cultural norms, and linguistic features of Black Deaf and Black hearing consumers (Shambourger, 2015). Such learning could take place in cross-cultural mentoring relationships with Black interpreters. Black interpreters are already mentoring, but as the numbers of Black students entering the field grows, the need for seasoned interpreter mentors also grows. In some areas of the country, especially rural areas, there may be no experienced Black interpreters. Through conversations and interactions with Black mentees, White mentors could gain knowledge of Black cultural norms and linguistic features, thereby enhancing their interpreting for the Black Deaf and Black hearing communities they serve. At the same time, Black interpreters may be encouraged to continue in the interpreting field from cross-cultural relationships with White interpreters who support skills development and introduction to professional norms and to other interpreters. In this study the findings indicated that there is much ground to be covered before cross-cultural mentoring can become routine

    FIELD-PROGRAMMABLE GATE ARRAY IMPLEMENTATION OF EMPIRICAL MODE DECOMPOSITION ALGORITHM FOR ELECTROCARDIOGRAM PROCESSING

    Get PDF
    The electrocardiogram (ECG) signal contains important information that is utilized by physicians for the diagnosis and analysis of heart diseases. Therefore, good quality ECG signal is required. Hilbert-Huang transform (HHT) is a method to analyze non-stationary and non-linear signals. Empirical mode decomposition (EMD) is the core of HHT. EMD breaks down signals into smaller number of components. These components form a complete and nearly orthogonal basis for the original signal. This algorithm is implemented on field-programmable gate array using the process of extrema generation, envelope generation, and stopping criterion.Ƃ

    Glycine microparticles loaded with functionalized nanoparticles for pulmonary delivery

    Full text link
    The use of nanoparticles for pulmonary delivery poses challenges such as the presence of anatomical barriers and the loss of bioactive components. Excipients are often used to facilitate delivery. Excipients suitable for nanoparticle delivery are still being explored. Herein we introduce for the first time, spray-dried glycine microparticle-based excipients loaded with nanoparticles of the size range known to be taken up by alveolar macrophages. Using a microfluidic jet spray dryer, we produced glycine microparticles-based excipients which are spherical, uniform, cenospheric (hollow at core), and ā€œcoral-likeā€ with average diameter of 60 Ā± 10 Ī¼m, 29 Ā± 0.8% porosity, and showed their effective loading with glycine coated iron oxide superparamagnetic nanoparticles (GSPIONs). Our loading protocol with nanoparticles further increased microsphere porosity and improved aerodynamic performance unlike the dense, solid commercial excipient, Lactohale200ā„¢. This demonstrates a feasible approach for delivery of such nanoparticles in the lung

    A novel approach for nonā€invasive lung imaging and targeting lung immune cells

    Full text link
    Despite developments in pulmonary radiotherapy, radiationā€induced lung toxicity remains a problem. More sensitive lung imaging able to increase the accuracy of diagnosis and radiotherapy may help reduce this problem. Superā€paramagnetic iron oxide nanoparticles are used in imaging, but without further modification can cause unwanted toxicity and inflammation. Complex carbohydrate and polymerā€based coatings have been used, but simpler compounds may provide additional benefits. Herein, we designed and generated superā€paramagnetic iron oxide nanoparticles coated with the neutral natural dietary amino acid glycine (GSPIONs), to support nonā€invasive lung imaging and determined particle biodistribution, as well as understanding the impact of the interaction of these nanoparticles with lung immune cells. These GSPIONs were characterized to be crystalline, colloidally stable, with a size of 12 Ā± 5 nm and a hydrodynamic diameter of 84.19 Ā± 18 nm. Carbon, Hydrogen, Nitrogen (CHN) elemental analysis estimated approximately 20.2 Ɨ 103 glycine molecules present per nanoparticle. We demonstrated that it is possible to determine the biodistribution of the GSPIONs in the lung using threeā€dimensional (3D) ultraā€short echo time magnetic resonance imaging. The GSPIONs were found to be taken up selectively by alveolar macrophages and neutrophils in the lung. In addition, the GSPIONs did not cause changes to airway resistance or induce inflammatory cytokines. Alveolar macrophages and neutrophils are critical regulators of pulmonary inflammatory diseases, including allergies, infections, asthma and chronic obstructive pulmonary disease (COPD). Therefore, pulmonary Magnetic Resonance (MR) imaging and preferential targeting of these lung resident cells by our nanoparticles offer precise imaging tools, which can be utilized to develop precision targeted radiotherapy as well as diagnostic tools for lung cancer, thereby having the potential to reduce the pulmonary complications of radiation

    Insights into endotoxin-mediated lung inflammation and future treatment strategies

    Full text link
    Introduction: Airway inflammatory disorders are prevalent diseases in need of better management and new therapeutics. Immunotherapies offer a solution to the problem of corticosteroid resistance. Areas covered: The current review focuses on lipopolysaccharide (Gram-negative bacterial endotoxin)-mediated inflammation in the lung and the animal models used to study related diseases. Endotoxin-induced lung pathology is usually initiated by antigen presenting cells (APC). We will discuss different subsets of APC including lung dendritic cells and macrophages, and their role in responding to endotoxin and environmental challenges. Expert commentary: The pharmacotherapeutic considerations to combat airway inflammation should cost-effectively improve quality of life with sustainable and safe strategies. Selectively targeting APCs in the lung offer the potential for a promising new strategy for the better management and treatment of inflammatory lung disease

    Strategic Plan for Genomic Competencies into Undergraduate Nursing Curriculum

    Full text link
    Problem: As genomics research continues to grow in medicine and in popular culture, an educational gap in nursing is inevitable. Nurses must have a strong understanding of genetics and genomics to effectively integrate them into current practice.Objectives: The objective is to identify gaps in the current undergraduate curriculum and build threads that may be incorporated into the current curriculum to fill the identified gaps. Methods: The foundation of this project was the Essentials of Genetic and Genomic Nursing: Competencies, Curricula Guidelines, and Outcome Indicators, 2nd Edition (Consensus Panel on Genetic/Genomic Nursing Competencies, 2008). A strategic plan was created to increase the genomics and genetics competencies in the current undergraduate nursing curriculum at the School of Nursing in the University of Nevada, Las Vegas to meet the nine essentials of Baccalaureate education set forth by the AACN (2008). A strengths, weakness, opportunities, and threats (SWOT) analysis was included to identify and analyze the strengths and weaknesses of the project and be given the opportunity to address and eliminate any threats. The syllabi of the undergraduate nursing core courses were analyzed course by course for baseline genetics and genomics content. The content was found in five out of 16 core courses. Utilizing the gap analysis tool based on Essentials of Genetic and Genomic Nursing, 23 possible curricular thread ideas for genetics and genomics content were identified. Implications: This project demonstrated that the development of a strategic plan utilizing the Essentials of Genetic and Genomic Nursing can be used to identify gaps in the undergraduate nursing curriculum and build genetics and genomics competencies to incorporate into the curriculum. This allows for the opportunity for nursing faculty to improve the current undergraduate nursing curriculum to meet the essentials set forth by the AACN

    The work environment disability-adjusted life year for use with life cycle assessment: a methodological approach

    Get PDF
    BACKGROUND: Life cycle assessment (LCA) is a systems-based method used to determine potential impacts to the environment associated with a product throughout its life cycle. Conclusions from LCA studies can be applied to support decisions regarding product design or public policy, therefore, all relevant inputs (e.g., raw materials, energy) and outputs (e.g., emissions, waste) to the product system should be evaluated to estimate impacts. Currently, work-related impacts are not routinely considered in LCA. The objectives of this paper are: 1) introduce the work environment disability-adjusted life year (WE-DALY), one portion of a characterization factor used to express the magnitude of impacts to human health attributable to work-related exposures to workplace hazards; 2) outline the methods for calculating the WE-DALY; 3) demonstrate the calculation; and 4) highlight strengths and weaknesses of the methodological approach. METHODS: The concept of the WE-DALY and the methodological approach to its calculation is grounded in the World Health Organizationā€™s disability-adjusted life year (DALY). Like the DALY, the WE-DALY equation considers the years of life lost due to premature mortality and the years of life lived with disability outcomes to estimate the total number of years of healthy life lost in a population. The equation requires input in the form of the number of fatal and nonfatal injuries and illnesses that occur in the industries relevant to the product system evaluated in the LCA study, the age of the worker at the time of the fatal or nonfatal injury or illness, the severity of the injury or illness, and the duration of time lived with the outcomes of the injury or illness. RESULTS: The methodological approach for the WE-DALY requires data from various sources, multi-step instructions to determine each variable used in the WE-DALY equation, and assumptions based on professional opinion. CONCLUSIONS: Results support the use of the WE-DALY in a characterization factor in LCA. Integrating occupational health into LCA studies will provide opportunities to prevent shifting of impacts between the work environment and the environment external to the workplace and co-optimize human health, to include worker health, and environmental health

    Serelaxin Elicits Bronchodilation and Enhances Ī²-Adrenoceptor-Mediated Airway Relaxation.

    Full text link
    Treatment with Ī²-adrenoceptor agonists does not fully overcome the symptoms associated with severe asthma. Serelaxin elicits potent uterine and vascular relaxation via its cognate receptor, RXFP1, and nitric oxide (NO) signaling, and is being clinically evaluated for the treatment of acute heart failure. However, its direct bronchodilator efficacy has yet to be explored. Tracheal rings were prepared from male Sprague-Dawley rats (250-350 g) and tricolor guinea pigs, and precision cut lung slices (PCLSs) containing intrapulmonary airways were prepared from rats only. Recombinant human serelaxin (rhRLX) alone and in combination with rosiglitazone (PPARĪ³ agonist; recently described as a novel dilator) or Ī²-adrenoceptor agonists (isoprenaline, salbutamol) were added either to pre-contracted airways, or before contraction with methacholine or endothelin-1. Regulation of rhRLX responses by epithelial removal, indomethacin (cyclooxygenase inhibitor), L-NAME (nitric oxide synthase inhibitor), SQ22536 (adenylate cyclase inhibitor) and ODQ (guanylate cyclase inhibitor) were also evaluated. Immunohistochemistry was used to localize RXFP1 to airway epithelium and smooth muscle. rhRLX elicited relaxation in rat trachea and PCLS, more slowly than rosiglitazone or isoprenaline, but potentiated relaxation to both these dilators. It markedly increased Ī²-adrenoceptor agonist potency in guinea pig trachea. rhRLX, rosiglitazone, and isoprenaline pretreatment also inhibited the development of rat tracheal contraction. Bronchoprotection by rhRLX increased with longer pre-incubation time, and was partially reduced by epithelial removal, indomethacin and/or L-NAME. SQ22536 and ODQ also partially inhibited rhRLX-mediated relaxation in both intact and epithelial-denuded trachea. RXFP1 expression in the airways was at higher levels in epithelium than smooth muscle. In summary, rhRLX elicits large and small airway relaxation via epithelial-dependent and -independent mechanisms, likely via RXFP1 activation and generation of NO, prostaglandins and cAMP/cGMP. rhRLX also enhanced responsiveness to other dilators, suggesting its potential as an alternative or add-on therapy for severe asthma
    • ā€¦
    corecore