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Articles 1 - 21 of 21
Full-Text Articles in Engineering
Exploring The Cause Of Injury Or Death In Grain Entrapment, Engulfment And Extrication, Salah F. Issa
Exploring The Cause Of Injury Or Death In Grain Entrapment, Engulfment And Extrication, Salah F. Issa
Open Access Dissertations
Grain entrapments and engulfments are one of most common hazards associated with grain storage facilities. Since the 1970’s over 1,880 incidents have been documented in agricultural confined spaces of which 65% of all recorded incidents were grain entrapments and engulfments. There have been several studies conducted on the contributing factors behind these incidents; however, there have been very few attempts to understand the environmental, physiological or psychological factors the victims experience while entrapped, engulfed, or extricated. This includes understanding how secondary injuries are caused by grain or during extrication by first responders. The research effort was divided into three segments. …
Deriving An Indoor Environmental Index For Portuguese Office Buildings, João F. Gomes
Deriving An Indoor Environmental Index For Portuguese Office Buildings, João F. Gomes
João F Gomes
No abstract provided.
Use Of A Modified Greenscreen Tool To Conduct A Screening-Level Comparative Hazard Assessment Of Conventional Silver And Two Forms Of Nanosilver., Jennifer Sass, Lauren Heine, Nina Hwang
Use Of A Modified Greenscreen Tool To Conduct A Screening-Level Comparative Hazard Assessment Of Conventional Silver And Two Forms Of Nanosilver., Jennifer Sass, Lauren Heine, Nina Hwang
Environmental and Occupational Health Faculty Publications
BACKGROUND: Increased concern for potential health and environmental impacts of chemicals, including nanomaterials, in consumer products is driving demand for greater transparency regarding potential risks. Chemical hazard assessment is a powerful tool to inform product design, development and procurement and has been integrated into alternative assessment frameworks. The extent to which assessment methods originally designed for conventionally-sized materials can be used for nanomaterials, which have size-dependent physical and chemical properties, have not been well established. We contracted with a certified GreenScreen profiler to conduct three GreenScreen hazard assessments, for conventional silver and two forms of nanosilver. The contractor summarized publicly …
Comparing Machine Learning And Logistic Regression Methods For Predicting Hypertension Using A Combination Of Gene Expression And Next-Generation Sequencing Data, Elizabeth Held, Joshua Cape, Nathan L. Tintle
Comparing Machine Learning And Logistic Regression Methods For Predicting Hypertension Using A Combination Of Gene Expression And Next-Generation Sequencing Data, Elizabeth Held, Joshua Cape, Nathan L. Tintle
Faculty Work Comprehensive List
Machine learning methods continue to show promise in the analysis of data from genetic association studies because of the high number of variables relative to the number of observations. However, few best practices exist for the application of these methods. We extend a recently proposed supervised machine learning approach for predicting disease risk by genotypes to be able to incorporate gene expression data and rare variants. We then apply 2 different versions of the approach (radial and linear support vector machines) to simulated data from Genetic Analysis Workshop 19 and compare performance to logistic regression. Method performance was not radically …
Measuring Vapor Intrusion: From Source Science Politics To A Transdisciplinary Approach, Peter C. Little, Kelly G. Pennell
Measuring Vapor Intrusion: From Source Science Politics To A Transdisciplinary Approach, Peter C. Little, Kelly G. Pennell
Faculty Publications
Investigation of indoor air quality has been on the upswing in recent years. In this article, we focus on how the transport of subsurface vapors into indoor air spaces, a process known as ‘vapor intrusion’, (VI) is defined and addressed. For environmental engineers and physical scientists who specialize in this emerging indoor environmental exposure science, VI is notoriously difficult to characterize, leading the regulatory community to seek improved science-based understandings of VI pathways and exposures. Yet despite the recent growth in VI science and competition between environmental consulting companies, VI studies have largely overlooked the social and political field in …
Visualizing Complex Adaptive Systems: A Case Study Of The Missouri Maternal, Infant, And Early Childhood Home Visiting Program, Julie M. Kapp, Sara Schlemper, Riyad Haq, Sofia Campos Vidal Pires, Eduardo J. Simoes
Visualizing Complex Adaptive Systems: A Case Study Of The Missouri Maternal, Infant, And Early Childhood Home Visiting Program, Julie M. Kapp, Sara Schlemper, Riyad Haq, Sofia Campos Vidal Pires, Eduardo J. Simoes
Frontiers in Public Health Services and Systems Research
Background: The Maternal, Infant, and Early Childhood Home Visiting (MIECHV) program was created by the 2010 Patient Protection and Affordable Care Act. MIECHV provides comprehensive services to at-risk families through evidence-based home visiting programs.
Purpose: The following question is addressed: Does the Missouri MIECHV system meet the definition of a complex adaptive system (CAS)?
Methods: A systematic review was conducted of documents related to MIECHV programs (federal, state, and local levels), and to affiliated programs with a home visiting and early childhood (aged birth to 5 years) scope. The organizations’ fit was identified for the scope of early childhood home …
Multi-Sector Analysis Of The Progress And Challenges Of Soil-Transmitted Helminth Eradication In Rural Udaipur, Jessica Ellis
Multi-Sector Analysis Of The Progress And Challenges Of Soil-Transmitted Helminth Eradication In Rural Udaipur, Jessica Ellis
Independent Study Project (ISP) Collection
India is home to 240 million children currently at risk of Soil-Transmitted Helminthiasis, which is spread via unclean water, soil, and food, and causes acute pain and malnutrition. While acknowledging the research debates over WASH and mass drug administration, this study seeks to identify the systemic multidisciplinary issues affecting STH elimination efforts in rural Udaipur. Twenty-three interviews were conducted in villages, government departments, NGOs, and medical sectors to identify the challenges within each approach to deworming, and their experiences with multi-sectoral collaboration. The most recurring issues across disciplines were need for invested local leadership, increase in health literacy of adults, …
Systematic Identification Of Coordination Gaps In Pediatric Care, Diana M. Prieto, Anil Kumar, Catherine L. Kothari, Cheryl Dickson
Systematic Identification Of Coordination Gaps In Pediatric Care, Diana M. Prieto, Anil Kumar, Catherine L. Kothari, Cheryl Dickson
Frontiers in Public Health Services and Systems Research
In the United States, the status of coordination among pediatric care services is not well understood. Through the use of quality improvement (QI) techniques, coordination gaps were systematically identified in the interagency network of pediatric services in Kalamazoo MI. Gaps were found in transportation resources, follow-up procedures, awareness of services, interagency communication, insurance limitations, population behaviors, and resource utilization. This preliminary study reveals the need for (1) protocols for intra- and inter-agency communication, (2) mechanisms for easy and fast retrieval of pediatric resources, and (3) health information exchange.
State Space Analysis Of Dominant Structures In Dynamic Social Systems, Jeremy B. Sato
State Space Analysis Of Dominant Structures In Dynamic Social Systems, Jeremy B. Sato
McKelvey School of Engineering Theses & Dissertations
Many systems involving human relationships are modeled as dynamic systems, as diverse as urban population growth, diffusion of innovations, spread of viruses, and supply chain management. A fundamental assumption is that these systems contain variables which accumulate and deplete over time (people, innovation adoptions, infections, and orders), and whose dynamics are determined by societal rules and human decision making processes. These assumptions allow the system to be formally expressed by ordinary differential equations which are often nonlinear and contain multiple state variables and feedback loops. Analytical methods have been developed to identify the dominant feedback loops which primarily influence the …
A Feasibility Study Of Just-In-Time Asthma Self-Management Intervention, Phillip Charles Scruggs
A Feasibility Study Of Just-In-Time Asthma Self-Management Intervention, Phillip Charles Scruggs
Masters Theses
Quality asthma care requires not only an initial diagnosis, but long term follow up care and education on long term control. Preventable symptoms continue to reduce the quality of life for chronic asthma sufferers and place an unnecessary burden on emergency services and the health care system at large. A mobile health (mHealth) solution is proposed to effectively improve outcomes for patients while ultimately reducing the overall burden of mismanagement on the healthcare system as a whole. The Just-in-Time Asthma Self- Management and Intervention (JASMIN) system provides a way for a patient or user to track, self-manage, and interact with …
Process Evaluation And Assessment Of Use Of A Large Scale Water Filter And Cookstove Program In Rwanda, Christina K. Barstow, Corey Nagel, Thomas Clasen, Evan A. Thomas
Process Evaluation And Assessment Of Use Of A Large Scale Water Filter And Cookstove Program In Rwanda, Christina K. Barstow, Corey Nagel, Thomas Clasen, Evan A. Thomas
OHSU-PSU School of Public Health Faculty Publications and Presentations
Background: In an effort to reduce the disease burden in rural Rwanda, decrease poverty associated with expenditures for fuel, and minimize the environmental impact on forests and greenhouse gases from inefficient combustion of biomass, the Rwanda Ministry of Health (MOH) partnered with DelAgua Health (DelAgua), a private social enterprise, to distribute and promote the use of improved cookstoves and advanced water filters to the poorest quarter of households (Ubudehe 1 and 2) nationally, beginning in Western Province under a program branded Tubeho Neza (“Live Well”). The project is privately financed and earns revenue from carbon credits under the United Nations …
Experimental Data Extraction And In Silico Prediction Of The Estrogenic Activity Of Renewable Replacements For Bisphenol A., Huixiao Hong, Benjamin G Harvey, Giuseppe R Palmese, Joseph F. Stanzione Iii, Hui Wen Ng, Sugunadevi Sakkiah, Weida Tong, Joshua M Sadler
Experimental Data Extraction And In Silico Prediction Of The Estrogenic Activity Of Renewable Replacements For Bisphenol A., Huixiao Hong, Benjamin G Harvey, Giuseppe R Palmese, Joseph F. Stanzione Iii, Hui Wen Ng, Sugunadevi Sakkiah, Weida Tong, Joshua M Sadler
Henry M. Rowan College of Engineering Faculty Scholarship
Bisphenol A (BPA) is a ubiquitous compound used in polymer manufacturing for a wide array of applications; however, increasing evidence has shown that BPA causes significant endocrine disruption and this has raised public concerns over safety and exposure limits. The use of renewable materials as polymer feedstocks provides an opportunity to develop replacement compounds for BPA that are sustainable and exhibit unique properties due to their diverse structures. As new bio-based materials are developed and tested, it is important to consider the impacts of both monomers and polymers on human health. Molecular docking simulations using the Estrogenic Activity Database in …
Calcium Phosphate As A Key Material For Socially Responsible Tissue Engineering, Vuk Uskoković, Victoria M. Wu
Calcium Phosphate As A Key Material For Socially Responsible Tissue Engineering, Vuk Uskoković, Victoria M. Wu
Pharmacy Faculty Articles and Research
Socially responsible technologies are designed while taking into consideration the socioeconomic, geopolitical and environmental limitations of regions in which they will be implemented. In the medical context, this involves making therapeutic platforms more accessible and affordable to patients in poor regions of the world wherein a given disease is endemic. This often necessitates going against the reigning trend of making therapeutic nanoparticles ever more structurally complex and expensive. However, studies aimed at simplifying materials and formulations while maintaining the functionality and therapeutic response of their more complex counterparts seldom provoke a significant interest in the scientific community. In this review …
Hiv Vaccines: Progress, Limitations And A Crispr/Cas9 Vaccine, Omar A. Garcia Martinez
Hiv Vaccines: Progress, Limitations And A Crispr/Cas9 Vaccine, Omar A. Garcia Martinez
Biology: Student Scholarship & Creative Works
ABSTRACT: The HIV-1 pandemic continues to thrive due to ineffective HIV-1 vaccines. Historically, the world’s most infectious diseases, such as polio and smallpox, have been eradicated or have come close to eradication due to the advent of effective vaccines. Highly active antiretroviral therapy is able to delay the onset of AIDS but can neither rid the body of HIV-1 proviral DNA nor prevent further transmission. A prophylactic vaccine that prevents the various mechanisms HIV-1 has to evade and attack our immune system is needed to end the HIV-1 pandemic. Recent advances in engineered nuclease systems, like the CRISPR/Cas9 system, have …
High Reliability Organizational Suggestions To Reduce The Risk Of Hospital-Associated Infections, Sandra Catrice Affare
High Reliability Organizational Suggestions To Reduce The Risk Of Hospital-Associated Infections, Sandra Catrice Affare
Doctoral Dissertations
Over 1.7 million hospital-associated infections (HAIs), resulting in 99,000 deaths, occur each year in the United States. HAIs are defined as infections that occur within 48 hours of hospital admission without evidence of the infection being present or incubating at the time of admission. HAIs are a major concern to the medical community due to the potential loss of life and high costs. Healthcare providers should be accountable for reducing the rates of HAIs and society needs to hold them accountable for the safe implementation and outcomes of the services they provide.
A high-reliability organization (HRO) is commonly described as …
Predicting Nonadherence Behavior Towards Mammography Screening Guidelines, Brian L. Trussell
Predicting Nonadherence Behavior Towards Mammography Screening Guidelines, Brian L. Trussell
Industrial Engineering Undergraduate Honors Theses
The goal of this research is to examine factors associated with nonadherence behavior toward mammography screening among U.S. women. The 2014 Behavioral Risk Factor Surveillance System (BRFSS) survey data was used for this study, allowing the model to represent a robust sample. A logistic regression model was developed to gain an understanding of influencing factors, including demographic, health-related and behavioral characteristics. Further analysis with logistic regression models stratified by age were conducted to control for the effect of age. The results show that demographic and health related information such as income, number of children, and BMI category can help intervention …
An In Vivo Study Of The Effects Of Perinatal Caffeine Exposure On Synaptic Efficacy In The Hippocampus Of Freely Moving Adult Rats, Jee Eun Park
Senior Theses and Projects
The synapse from the perforant path to the dentate gyrus has been widely used successfully to demonstrate long-term potentiation, a cellular model underlying learning and memory. Caffeine is one of the most widely consumed psychoactive stimulants in the world. Caffeine consumption increases in alertness, improvements in motor skills, and neurological functions, and these effects have promoted its use throughout history. Although the many short term cognitive benefits of caffeine intake are well understood, the long term effects of caffeine exposure have been widely disputed. Despite this, it is estimated that over 80% of women continue to consume caffeine throughout pregnancy. …
Adaptation Of Forward Military Airspace Management For Civilian Uas Emergency Services Operations, John C. Griffith Ph.D., Brent A. Terwilliger Ph.D.
Adaptation Of Forward Military Airspace Management For Civilian Uas Emergency Services Operations, John C. Griffith Ph.D., Brent A. Terwilliger Ph.D.
John Griffith
Resolving The Policy Paradox: The Case Of Biofuel Production In Ireland, Alan Gilmer, Mark J. Mcgarrity, Vivienne Byers
Resolving The Policy Paradox: The Case Of Biofuel Production In Ireland, Alan Gilmer, Mark J. Mcgarrity, Vivienne Byers
Articles
Purpose – The purpose of this paper is to determine the status of policy design and policy implementation in the biofuel sector in Ireland. The focus of the work addresses the overarching operational context of the biofuel sector in Ireland and the role of different actors in shaping and resolving inconsistencies in policy outlook and practice. Design/methodology/approach – This study used a qualitative research approach involving a series of semi-structured interviews with members of the relevant sub-groups concerned. This study sought to address two questions – whether current or proposed policy is likely to affect consumption of indigenous biofuel feedstocks …
Design And Commissioning Of A Community Scale Solar Powered Membrane-Based Water Purification System In Haiti, Shavin Pinto, Yung Wong, Kyle Fennesy, Yan Tang, Marc Compere
Design And Commissioning Of A Community Scale Solar Powered Membrane-Based Water Purification System In Haiti, Shavin Pinto, Yung Wong, Kyle Fennesy, Yan Tang, Marc Compere
Publications
This paper presents the design and commissioning of a solar powered water purification system at the Ryan Epps Home for Children (REHC) in Michaud, Haiti. This system supplies clean drinking water to the 200 children who live and go to school at REHC and also to the community in the form of a micro-business. This micro-business is the mechanism for income generation for sustainable system operation. The purifier uses a three stage filtration system with a disc-type sediment filter, a 0.1 micron ultrafiltration membrane, and an ultraviolet light for disinfection. The backwash cycle extends the life of the ultrafiltration membrane …
Student Absenteeism And The Comparisons Of Two Sampling Procedures For Culturable Bioaerosol Measurement In Classrooms With And Without Upper Room Ultraviolet Germicidal Irradiation Devices, Chunxiao Su, Josephine Lau, Shawn G. Gibbs
Student Absenteeism And The Comparisons Of Two Sampling Procedures For Culturable Bioaerosol Measurement In Classrooms With And Without Upper Room Ultraviolet Germicidal Irradiation Devices, Chunxiao Su, Josephine Lau, Shawn G. Gibbs
Durham School of Architectural Engineering and Construction: Faculty Publications
Upper room ultraviolet germicidal irradiance (UVGI) has been shown to reduce the concentration of bioaerosols in controlled chambers. However, there is a lack of experimental results on the reduction of bioaerosol concentrations by UVGI devices in actual uncontrolled buildings. This study was carried out in an American elementary school in the Midwest. Two sampling procedures were carried out in six selected classrooms with similar dimensions that were separated into two groups: (1) UVGI exposure group and (2) non-UVGI control group. Two-stage Tisch culturable impactors were utilized to collect airborne culturable bacteria and fungi. Monthly samples were collected during unoccupied period …