1,385 research outputs found

    The sciences 3-18 : September 2012

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    Cleveland Schools That Are Making a Difference

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    Profiles thirteen Cleveland schools -- a cross section of traditional public, private, parochial, and charter schools, where the majority of students are economically disadvantaged -- that have demonstrated progress in student achievement gains

    Department of Family Medicine and Public Health Sciences 2006 Annual Report: Addressing Health Challenges in Michigan

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    2006 annual report includes: Greetings from the Chair, Maryjean Schenk; Introducing New Faculty; Full-time affiliate and Voluntary Faculty; In Memoriam: John B. Waller, Jr.; Master of Public Health Program; Division of Epidemiology and Biostatistics; Honors, Awards and Appointments; University Family Physicians; Family Medicine Residency; Occupational and Environmental Health; New Grant Highlights; External Funding; Highlights from 2006 Publications; Peer-reviewed Publications; Editorial and Peer-Review Activities; Undergraduate Medical Education Division; Behavioral Science; Presentations and Professional Meetings; Division of Clinical and Community Translational Research; Trends in Faculty Rank and Scholarship

    Geography and Location Are the Primary Drivers of Office Microbiome Composition.

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    In the United States, humans spend the majority of their time indoors, where they are exposed to the microbiome of the built environment (BE) they inhabit. Despite the ubiquity of microbes in BEs and their potential impacts on health and building materials, basic questions about the microbiology of these environments remain unanswered. We present a study on the impacts of geography, material type, human interaction, location in a room, seasonal variation, and indoor and microenvironmental parameters on bacterial communities in offices. Our data elucidate several important features of microbial communities in BEs. First, under normal office environmental conditions, bacterial communities do not differ on the basis of surface material (e.g., ceiling tile or carpet) but do differ on the basis of the location in a room (e.g., ceiling or floor), two features that are often conflated but that we are able to separate here. We suspect that previous work showing differences in bacterial composition with surface material was likely detecting differences based on different usage patterns. Next, we find that offices have city-specific bacterial communities, such that we can accurately predict which city an office microbiome sample is derived from, but office-specific bacterial communities are less apparent. This differs from previous work, which has suggested office-specific compositions of bacterial communities. We again suspect that the difference from prior work arises from different usage patterns. As has been previously shown, we observe that human skin contributes heavily to the composition of BE surfaces. IMPORTANCE Our study highlights several points that should impact the design of future studies of the microbiology of BEs. First, projects tracking changes in BE bacterial communities should focus sampling efforts on surveying different locations in offices and in different cities but not necessarily different materials or different offices in the same city. Next, disturbance due to repeated sampling, though detectable, is small compared to that due to other variables, opening up a range of longitudinal study designs in the BE. Next, studies requiring more samples than can be sequenced on a single sequencing run (which is increasingly common) must control for run effects by including some of the same samples in all of the sequencing runs as technical replicates. Finally, detailed tracking of indoor and material environment covariates is likely not essential for BE microbiome studies, as the normal range of indoor environmental conditions is likely not large enough to impact bacterial communities

    Water for People, Water for Life

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    This report documents the serious water crisis we are facing at the beginning of the 21st century. This crisis is one of water governance, essentially caused by the ways in which we mismanage water. But the real tragedy is the effect it has on the everyday lives of poor people, who are blighted by the burden of water-related disease, living in degraded and often dangerous environments, struggling to get an education for their children and to earn a living, and to get enough to eat. The executive summary offers an analysis of the problem as well as pilot case studies for water management and recommendations for future action

    Graduate Catalog, 2005-2006

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    https://scholar.valpo.edu/gradcatalogs/1032/thumbnail.jp
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