615 resultados para Wash


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB

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The penis and prepuce of the stallion have a high bacterial load on its surface, forming a natural microbial flora that contaminates the semen during ejaculation. Bacterial growth in semen may cause a decline on sperm quality, viability, and fertility and predisposes the occurrence of endometritis in inseminated mares. Thus, the aim of this study was to evaluate the effect of penile wash before semen collection, the addition of different commercial skim milk-based extenders containing antibiotics (BotuSemen and INRA96), and the removal of seminal plasma by filtration on the quality, viability, and bacterial proliferation on fresh and cooled stallion semen. Animals that were never submitted to penile wash before semen collection tended to have lower bacterial contamination in the ejaculate. Semen samples extended in BotuSemen showed superiority in total motility, progressive motility, average path velocity, and rapid sperm and lower bacterial contamination in relation to semen samples extended in INRA96 after 24 hours of cooling. No difference was found in these parameters between the storage temperatures (5 degrees C and 15 degrees C). Furthermore, the removal of seminal plasma by filtration reduced the bacterial load in semen after cooling. In conclusion, the penile wash before semen collection tended to reduce the bacterial growth in fresh semen. The use of a semen extender with appropriate antibiotics and removal of seminal plasma by filtration were effective in reducing the bacterial contamination and preserved the quality of cooled stallion semen. (C) 2015 Elsevier Inc. All rights reserved.

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This study sought to evaluate the resin micro-tensile bond strength (MTBS) stability of a leucite-reinforced ceramic after different ceramic etching protocols. The microtensile test had 40 ceramic blocks (5x5x6 mm) assigned to five groups (n=8), in accordance with the following surface etching protocols: NE nonetched (control); 9HF: hydrofluoric (HF) acid etching (9% HF)+wash/dry; 4HF: 4%HF+wash/dry; 5HF: 5%HF+wash/dry; and 5HF+N: 5%HF+neutralizer+wash/dry+ultrasonic-cleaning. Etched ceramic surfaces were treated with a silane agent. Next, resin cement blocks were built on the prepared ceramic surface and stored for 24 hours in distilled water at 37 degrees C. The specimens were then sectioned to obtain microtensile beams (32/block), which were randomly assigned to the following conditions, nonaged (immediate test) and aged (water storage for 150 days plus 12,000 thermal cycles), before the microtensile test. Bond strength data were submitted to one-way analysis of variance and Tukey test (alpha=0.05). Additional ceramic samples were subjected to the different ceramic etching protocols and evaluated using a scanning electron microscope (n=2) and atomic force microscopy (n=2). Aging led to a statistically significant decrease in the MTBS for all groups, except the untreated one (NE). Among the groups submitted to the same aging conditions, the untreated (NE) revealed inferior MTBS values compared to the 9HF and 4HF groups. The 5HF and 5HF+N groups had intermediate mean values, being statistically similar to the higher values presented by the 9HF and 4HF groups and to the lower value associated with the NE group. The neutralization procedure did not enhance the ceramic/resin cement bond strength. HF acid etching is a crucial step in resin/ceramic bonding.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Introduction: The formation of Oral Health Team, healthy and ergonomic work conditions influence on quality of dental attendance to patient. Objective: In this observational and cross-sectional study, it was observed the participation of the dental assistants (ASB) on dental team on public health, to verify the items related to health legislation, the existence and distribution of equipment in dental offices. Material and method: The data collection was performed using questionnaires and observations on locals for consultation. It were interviewed 75 dentists from 9 cities of Health Regional Department (DRS) – XV – São José do Rio Preto City and it was evaluated 34 dental offices. Result: Of total 75 dentists, 21 (28%) worked alone and among them, 6 (29%) worked at school and 15(71%) at Health Basic Unit (UBS). From 34 dental offices, 2 (6%) did not show any equipment for sterilization and among those that had it, the autoclave was the most used method (44%). Among the analyzed dental offices, 31 (91%) had dustbin for common waste and 23 (68%) of contaminated waste was inadequate. It was noted that 13 (38%) did not have local to wash de hands; in 23 (68%) there was paper towel; in 20 (59%) there was ideal soap dishes, and the compressor was installed into dental offices in 5 (15%) of local for attendance. In relation to dental offices adequacy for the help work, all of them (n = 19) were dissatisfied. Conclusion: The existence of ASB was present in the Centers of Dental Specialties (CEO) and Units of Family Health due legal exigencies and it were found inadequate healthy and ergonomic conditions, suggesting the necessity of reorganization of w

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Objective. To describe behaviors related to hand cleaning in health professionals who work in the pediatric inpatient unit of a university hospital. Methodology. Descriptive study, in which the studied population was the sanitary staff who worked in a pediatric inpatient unit of a university hospital, there were a total of 43 people. Information was collected through an observation process and a survey applied on hand washing techniques, at the beginning of the study and a month later of the first one. Results. In just 7% of the observations, participants washed their hands before developing the procedure; one out of two followed the steps described in the technique. The most frequent failure in hand washing was presented in the step of rubbing the right hand palm over the left had dorsum, crossing the fingers and vice versa (18%). Conclusion. Participants of the study didn’t have the habit to wash their hands according to the recommended technique. Data suggest the necessity to promote educational actions to change staff behaviors and attitudes towards the steps and techniques of hand washing before and after performing any procedure.

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Raising Less Corn, More Hell may sound like a rallying cry for the nation's heartland farmers, but this well-written series of essays by George Pyle is meant for those who eat corn. Or rather, for those of us who eat the livestock fed on corn in confined animal feeding operations, then wash down those meals with drinks high in high-fructose corn syrups. Pyle, an editorial writer from Kansas now living in Utah, brings his journalist's skills to bear on what our industrial food system has brought us. It's not appetizing as he makes his case against a corporate-controlled system that doesn't have to be this way.