Sheree Pagsuyoin

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Background: Impact evaluation of environmental and health programmes in developing economies enables identification of factors influencing programme efficiency and helps formulate strategies that optimize the benefits of these programmes. Most assessment methodologies employed in the past were based on statistical data analysis of various key health(More)
The persistent poor access to safe drinking water in low-income regions necessitates the development of low-cost alternatives to available yet expensive water treatment technologies. To address this need, this research investigates the development of a biofilter using the seeds of Moringa oleifera (MO), an indigenous tree in many low-income countries. The(More)
Depression is a major and costly global health burden that affects millions of people. The current diagnostic screen for depression relies on subjective structured interviews, but there is growing interest in exploring objective methods that involve depression biomarkers. In the current paper we perform a systematic review of recent articles on depression(More)
Although the Region of Waterloo implements a waste recycling program as part of its compliance with the 2004 Ontario Waste Diversion Goal a large fraction of its municipal solid waste ends up in the landfill. Landfill waste disposal adversely impacts the environment through the release of air pollutants and greenhouse gases to the atmosphere, and through(More)
Due to the high costs associated with laboratory analysis, load estimation of pharmaceuticals is necessary to identify compounds that may have high influent and effluent concentrations in wastewater treatment plants (WWTPs). The load estimation model presented in this paper was developed to estimate the influent concentration of prescription and(More)
Nitrates, phosphates, and many other anionic chemical species are among the most problematic and widespread contaminants in water sources. Currently, technologies for removing them in water involve biological and physico-chemical processes. In this study, we test the extent to which the cationic protein from Moringa Oleifera (MO) seeds can effectively(More)
The objective of this article is to discuss a needed paradigm shift in disaster risk analysis to emphasize the role of the workforce in managing the recovery of interdependent infrastructure and economic systems. Much of the work that has been done on disaster risk analysis has focused primarily on preparedness and recovery strategies for disrupted(More)
The release into the environment of antimicrobial compounds from both human and agricultural sources is a growing global concern. The Grand River watershed, the largest mixed-use watershed in southern Ontario, receives runoff from intensive animal production as well as municipal wastewater effluents from a rapidly increasing human population. A survey of(More)
Untreated surface water and groundwater are the primary sources of drinking water in many parts of the world, particularly in low-income regions. In these communities, the availability of low-cost water treatment technologies is especially critical in reducing incidences of waterborne diseases. In the present study, we explore the use of Moringa seeds for(More)
The municipal solid waste collected from Chatham-Kent is currently disposed to the Ridge Landfill in Blenheim, Ontario. Although the municipality implements recycling, the program does not include separate collection and processing of organic food waste. This paper presents an economic evaluation of composting alternatives for the organic food waste(More)