975 resultados para School transport


Relevância:

20.00% 20.00%

Publicador:

Resumo:

Audit report on Mid-Iowa School Improvement Consortium, Carlisle, Iowa for the year ended June 30, 2008

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Human colon carcinoma Caco-2 cell monolayers undergo conversion into cells that share morphological and functional features of M cells when allowed to interact with B lymphocytes. A lymphotropic (X4) HIV-1 strain crosses M cell monolayers and infects underlying CD4(+) target cells. Transport requires both lactosyl cerebroside and CXCR4 receptors, which are expressed on the apical surface of Caco-2 and M cells. Antibodies specific for each receptor block transport. In contrast, a monotropic (R5) HIV-1 strain is unable to cross M cell monolayers and infect underlying monocytes, despite efficient transport of latex beads. Caco-2 and M cells do not express CCR5, but transfection of these cells with CCR5 cDNA restores transport of R5 virus, which demonstrates that HIV-1 transport across M cells is receptor-mediated. The follicle-associated epithelium covering human gut lymphoid follicles expresses CCR5, but not CXCR4, and lactosyl cerebroside, suggesting that HIV-1 infection may occur through M cells and enterocytes at these sites.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Memòria del TFC de .NET en que s'ha desenvolupat una aplicació d'escriptori Windows per a la planificació i gestió de la càrrega de camions d'una empresa de logística.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

o objectivo da presente comunicação é apresentar o resultado da investigação aplicada no ISCEE sob a forma de extensão universitária. Este novo paradigma no Ensino Superior deve ser aplicado em todas as IES, de forma a demonstrar à comunidade em geral as três dimensões da missão das Universidades, nomeadamente, o ensino, investigação e extensão. Aliás estas três dimensões deverão igualmente ser contabilizados na elaboração de rankings universitários que normalmente não avaliam os mecanismos de extensão universitária. Em África, as Universidades são promotoras do desenvolvimento local e trabalham directamente com as comunidades no processo de partilha e disseminação do conhecimento para dotar as comunidades de ferramentas e instrumentos para o seu desenvolvimento. O Estudo de caso apresentado, IRT, Itinerário de Recursos Turísticos, mostra como o ISCEE se candidatou a um concurso público lançado para fazer o levantamento exaustivo dos itinerários turísticos em Cabo Verde nas principais ilhas, Santiago, São Vicente, Santo Antão e São Nicolau. Estiveram envolvidos nestes projectos vários docentes e alunos do ISCEE, no terreno, o que também demonstra a importância da extensão universitária promover “ in loco” a simbiose na relação entre docentes e alunos em termos de trabalho de campo e ao mesmo tempo cumprir a missão do ISCEE que é a de reforçar a competitividade de Cabo Verde, através da formação de recursos humanos qualificados e ao mesmo tempo responder aos grandes desafios do País, em especial, a dinamização do cluster do Turismo. A transmissão e difusão do conhecimento universitário para a sociedade, o conhecimento pluriversitário é o grande desígnio do ISCEE em Cabo Verde.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Report on a special investigation of the UNI Malcolm Price Laboratory School for the period July 1, 2006 through March 31, 2009

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Nanoparticles (NPs) are in clinical use or under development for therapeutic imaging and drug delivery. However, relatively little information exists concerning the uptake and transport of NPs across human colon cell layers, or their potential to invade three-dimensional models of human colon cells that better mimic the tissue structures of normal and tumoral colon. In order to gain such information, the interactions of biocompatible ultrasmall superparamagnetic iron oxide nanoparticles (USPIO NPs) (iron oxide core 9-10 nm) coated with either cationic polyvinylamine (aminoPVA) or anionic oleic acid with human HT-29 and Caco-2 colon cells was determined. The uptake of the cationic USPIO NPs was much higher than the uptake of the anionic USPIO NPs. The intracellular localization of aminoPVA USPIO NPs was confirmed in HT-29 cells by transmission electron microscopy that detected the iron oxide core. AminoPVA USPIO NPs invaded three-dimensional spheroids of both HT-29 and Caco-2 cells, whereas oleic acid-coated USPIO NPs could only invade Caco-2 spheroids. Neither cationic aminoPVA USPIO NPs nor anionic oleic acid-coated USPIO NPs were transported at detectable levels across the tight CacoReady? intestinal barrier model or the more permeable mucus-secreting CacoGoblet? model.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Report on the Iowa Braille and Sight Saving School, Vinton, Iowa, for the year ended June 30, 2008

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Report on the Iowa School for the Deaf, Council Bluffs, Iowa for the year ended June 30, 2008

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Parental concerns about traffic and strangers have reduced children’s freedom to move about their neighborhoods on their own. Programs like the Walking School Bus — an adult-supervised walk to school — identify safe routes to school, and teach safe crossing practices and “street smart” skills. Appropriate infrastructure like sidewalks and bicycling paths is also important.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

This work describes the characteristics of a representative set of seven different virtual laboratories (VLs) aimed for science teaching in secondary school. For this purpose, a 27-item evaluation model that facilitates the characterization of the VLs was prepared. The model takes into account the gaming features, the overall usability, and also the potential to induce scientific literacy. Five of the seven VLs were then tested with two larger and highly heterogenic groups of students, and in two different contexts – biotechnology and physics, respectively. It is described how the VLs were received by the students, taking into account both their motivation and their self-reported learning outcome. In some cases, students’ approach to work with the VLs was recorded digitally, and analyzed qualitatively. In general, the students enjoyed the VL activities, and claimed that they learned from them. Yet, more investigation is required to address the effectiveness of these tools for significant learning.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Road transport emissions are a major contributor to ambient particulate matter concentrations and have been associated with adverse health effects. Therefore, these emissions are targeted through increasingly stringent European emission standards. These policies succeed in reducing exhaust emissions, but do not address "nonexhaust" emissions from brake wear, tire wear, road wear, and suspension in air of road dust. Is this a problem? To what extent do nonexhaust emissions contribute to ambient concentrations of PM10 or PM2.5? In the near future, wear emissions may dominate the remaining traffic-related PM10 emissions in Europe, mostly due to the steep decrease in PM exhaust emissions. This underlines the need to determine the relevance of the wear emissions as a contribution to the existing ambient PM concentrations, and the need to assess the health risks related to wear particles, which has not yet received much attention. During a workshop in 2011, available knowledge was reported and evaluated so as to draw conclusions on the relevance of traffic-related wear emissions for air quality policy development. On the basis of available evidence, which is briefly presented in this paper, it was concluded that nonexhaust emissions and in particular suspension in air of road dust are major contributors to exceedances at street locations of the PM10 air quality standards in various European cities. Furthermore, wear-related PM emissions that contain high concentrations of metals may (despite their limited contribution to the mass of nonexhaust emissions) cause significant health risks for the population, especially those living near intensely trafficked locations. To quantify the existing health risks, targeted research is required on wear emissions, their dispersion in urban areas, population exposure, and its effects on health. Such information will be crucial for environmental policymakers as an input for discussions on the need to develop control strategies.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

by Isabel, Baiba, Lillis, Maria, and Ermis

Relevância:

20.00% 20.00%

Publicador:

Resumo:

During the last 2 years, several novel genes that encode glucose transporter-like proteins have been identified and characterized. Because of their sequence similarity with GLUT1, these genes appear to belong to the family of solute carriers 2A (SLC2A, protein symbol GLUT). Sequence comparisons of all 13 family members allow the definition of characteristic sugar/polyol transporter signatures: (1) the presence of 12 membrane-spanning helices, (2) seven conserved glycine residues in the helices, (3) several basic and acidic residues at the intracellular surface of the proteins, (4) two conserved tryptophan residues, and (5) two conserved tyrosine residues. On the basis of sequence similarities and characteristic elements, the extended GLUT family can be divided into three subfamilies, namely class I (the previously known glucose transporters GLUT1-4), class II (the previously known fructose transporter GLUT5, the GLUT7, GLUT9 and GLUT11), and class III (GLUT6, 8, 10, 12, and the myo-inositol transporter HMIT1). Functional characteristics have been reported for some of the novel GLUTs. Like GLUT1-4, they exhibit a tissue/cell-specific expression (GLUT6, leukocytes, brain; GLUT8, testis, blastocysts, brain, muscle, adipocytes; GLUT9, liver, kidney; GLUT10, liver, pancreas; GLUT11, heart, skeletal muscle). GLUT6 and GLUT8 appear to be regulated by sub-cellular redistribution, because they are targeted to intra-cellular compartments by dileucine motifs in a dynamin dependent manner. Sugar transport has been reported for GLUT6, 8, and 11; HMIT1 has been shown to be a H+/myo-inositol co-transporter. Thus, the members of the extended GLUT family exhibit a surprisingly diverse substrate specificity, and the definition of sequence elements determining this substrate specificity will require a full functional characterization of all members.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Survey of School Library Media Centers in Iowa.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Survey of School Library Media Centers in Iowa.