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Search Results: 1 - 10 of 485614 matches for " Manuela C. S.; "
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Necesidad de las notas de alcance de los calificadores en la "Introducción" del tesauro Descriptores en Ciencias de la Salud (DeCS)
Manuela de la C Valdés Abreu
ACIMED , 1996,
Abstract:
Las normas ISO relacionadas con la documentación y la información. Bibliografía comentada.
Manuela de la C Valdés Abreu
ACIMED , 1996,
Abstract:
Necrophagous species of Diptera and Coleoptera in northeastern Brazil: state of the art and challenges for the Forensic Entomologist
Vasconcelos, Sim?o D.;Araujo, Manuela C. S.;
Revista Brasileira de Entomologia , 2012, DOI: 10.1590/S0085-56262012005000014
Abstract: inventories on necrophagous insects carried out in brazil encompass mostly species from the southeastern and central-western regions of the country. this review aims to produce the first checklist of necrophagous diptera and coleoptera species of forensic relevance in northeastern brazil, an area that concentrates high rates of homicides. we performed a literature survey on scientific articles, theses and dissertations regarding necrophagous insect species in the region, and contacted scientists who develop research on forensic entomology. fifty-two species of diptera belonging to eight families with previous record of necrophagy were reported in the region: sarcophagidae, calliphoridae, muscidae, fanniidae, piophilidae, phoridae, anthomyiidae and stratiomyidae. coleopteran species from six families of forensic relevance were registered, although taxonomical identification remained superficial. bait traps were the most frequent methodology used, followed by collection on animal carcasses. seven dipteran species from two families were registered on human cadavers. all species had been previously reported in other brazilian states and/or other countries, although none has been effectively used in legal procedures in the region. the status of research on forensic entomology in northeastern brazil is incipient, and the checklist produced here contributes to the knowledge on the local diversity of necrophagous insects.
Comparación de los métodos PetrifilmTM coliformes y Número Más Probable (NMP) para la determinación de coliformes fecales en muestras de queso blanco
Ortiz L,Miriam C; Ríos de S,Manuela;
Revista del Instituto Nacional de Higiene Rafael Rangel , 2006,
Abstract: fecal coliform belong to an important group of sanitary quality indicator microorganisms in food, mainly constituted for escherichia coli, considerated as indicators of recent fecal contamination, that is why it is very important to investigate their presence and to detect their population in food rapidly. the objetive of this study was to compare the most probable number (npm) method for fecal coliform determination, according to venezuelan standard covenin no 1104-96, with the coliform petrifilmtm 3mtm plates, incubated in circulating thermostatically - controlled water bath (pba) at 45 ± 0,2 ° c for 24 ± 2 hours and in a circulating air incubator at 44 ± 1° c for 24 ± 2 hours (pes), according to the recommendation of association francoise of normalization, paris (afnor) and 3mtm corporation. forty-two white cheese samples were analyzed using both methods mentioned above. they were dispensed at the same time with decimal dilutions of the samples. data generated were subjected to correlation of related samples (sps 7.5 version) and the correlation coefficients (r) were obtained; r = 0.952 nmp and pes; r = 0.944 nmp and pba. it is interesting to observe a good correlation between the methodologies in their different forms for fecal coliform determination in white cheese. coliform petrifilmtm plates incubated at the optimal temperature of coliform fecal culture represent a rapid alternative and reliable method for the assessment of fecal coliform population in white cheese.
Engineering Students and Mathematics Achievement: a Portuguese Case Study
Manuela Alves,Cristina S. Rodrigues,Ana Maria A. C. Rocha
Lecture Notes in Engineering and Computer Science , 2012,
Abstract:
Comparación de los métodos PetrifilmTM coliformes y Número Más Probable (NMP) para la determinación de coliformes fecales en muestras de queso blanco Comparison study between the coliform PetrifilmTM and the Most Probable Number methods for the assessment of fecal coliforms in white cheese
Miriam C Ortiz L,Manuela Ríos de S
Revista del Instituto Nacional de Higiene Rafael Rangel , 2006,
Abstract: Los coliformes fecales son un grupo importante de microorganismos indicadores de inocuidad en alimentos, constituido principalmente por Escherichia coli, el cual es considerado como indicador de contaminación reciente de origen fecal, por ello la importancia de investigar su presencia y determinar rápidamente el nivel poblacional en alimentos. Este trabajo tiene como objetivo comparar el método tradicional Número Más Probable (NMP) para la determinación de coliformes fecales, según Norma Venezolana Covenin No 1104-96 con el método de placas rehidratables PetrifilmTM 3M coliformes incubadas en ba o de agua circulante (PBA) a 45 ± 0,2°C por 24 ± 2 horas y en estufa con aire circulante 44 ± 1°C por 24 ± 2 horas (PES) de acuerdo con lo recomendado por la Asociación Francesa de Normalización (AFNOR) y la Corporación 3M. Se analizaron un total de 42 muestras de queso blanco aplicando ambas metodologías, dispensando simultáneamente diluciones seriadas de las muestras. Para el análisis estadístico se realizó una correlación de muestras relacionadas (SPS versión 7,5), obteniéndose los siguientes resultados r = 0,952 entre NMP y PES y r = 0,944 entre NMP y PBA; lo que indica una buena correlación positiva entre ambas metodologías en sus diferentes modalidades para la determinación de coliformes fecales en muestras de queso blanco. Se concluye que las placas PetrifilmTM coliformes incubadas a la temperatura óptima de crecimiento de dichos microorganismos es un método alternativo, rápido y confiable para la determinación del nivel de coliformes fecales en queso blanco. Fecal coliform belong to an important group of sanitary quality indicator microorganisms in food, mainly constituted for Escherichia coli, considerated as indicators of recent fecal contamination, that is why it is very important to investigate their presence and to detect their population in food rapidly. The objetive of this study was to compare the Most Probable Number (NPM) method for fecal coliform determination, according to Venezuelan standard COVENIN No 1104-96, with the coliform PetrifilmTM 3M TM plates, incubated in circulating thermostatically - controlled water bath (PBA) at 45 ± 0,2 ° C for 24 ± 2 hours and in a circulating air incubator at 44 ± 1° C for 24 ± 2 hours (PES), according to the recommendation of Association Francoise of Normalization, Paris (AFNOR) and 3M TM corporation. Forty-two white cheese samples were analyzed using both methods mentioned above. They were dispensed at the same time with decimal dilutions of the samples. Data generated were subjected to correlation of re
Etiología de las infecciones respiratorias bajas agudas en lactantes hospitalizados. Studies on the etiology of lower respiratory infections
Eliana Ceruti D,Armando Díaz C,Manuela Vicente S,Ana Maria Escobar C
Revista chilena de pediatría , 1991,
Abstract:
Bibliotecas virtuales adaptables: un desafío de la sociedad de la información
Sánchez Vignau,C. Bárbara Susana; Vargas Villafuerte,Manuela Marina;
ACIMED , 2006,
Abstract: the development of information technologies is an indicative of the evolution of the information systems. the origin of the use of internet, based on the traditional models still in force, has developed this task. virtual libraries are a necessary information resource for the access and management of digitalized information, and the last few years witnessed the efforts made by several organizations to promote their development. nevertheless, an improvement of the user/system integration is needed. a new theoretical design, adaptable to virtual libraries model, is proposed
The Challenge of Improving Perinatal Care in settings with Limited Resources Observations of Midwifery Practices in Mozambique
K Christensson, K O Petterson, A Bugalho, Cunba, M Manuela, C Dgedge, E Johansson, S Bergstrom
African Journal of Reproductive Health , 2006,
Abstract: The aim of this study was to observe and analyze midwifery care routine related to asphyxia and hypothermia during the perinatal period and to investigate the effect of an in-service education program. A direct non-participant pre-and post intervention observation study of midwifery a performance during childbirth was conducted at a labour ward in Maputo. The observed groups consisted of 702 and 616 midwifery –attended deliveries. Examination was also conducted of the partographs (702 vs. 616). The quality of midwifery care related to prevention and early detection of asphyxia and hypothermia was found to be inadequate and the intervention had no significant effect upon the midwives\' performances. This could be attributed to the quality of the intervention itself or to failure of implementing managerial decisions such as transfer to partograph documentation from obstetricians to midwives. Change in professional performance does not automatically follow awareness of evidence-based midwifery practices, but requires behavioural change, which may be more difficult to achieve. African Journal of Reproductive Health Vol. 10 (1) 2006: pp. 47-61
Bibliotecas virtuales adaptables: un desafío de la sociedad de la información Adaptable virtual libraries: An information society challenge
C. Bárbara Susana Sánchez Vignau,Manuela Marina Vargas Villafuerte
ACIMED , 2006,
Abstract: El desarrollo de las tecnologías de información es un indicativo de la evolución de los sistemas de información; en especial, la aparición y uso de Internet han revolucionado el quehacer, a partir de los modelos tradicionales vigentes hasta el momento. Las bibliotecas virtuales son un recurso de información necesario para el acceso y manejo de información digitalizada y los últimos a os son testigos de los esfuerzos que han hechos muchas organizaciones para potenciar su desarrollo. Sin embargo, es preciso mejorar la integración de los usuarios con estos sistemas. Se propone un nuevo modelo teórico para el dise o de bibliotecas virtuales adaptables The development of information technologies is an indicative of the evolution of the information systems. The origin of the use of Internet, based on the traditional models still in force, has developed this task. Virtual libraries are a necessary information resource for the access and management of digitalized information, and the last few years witnessed the efforts made by several organizations to promote their development. Nevertheless, an improvement of the user/system integration is needed. A new theoretical design, adaptable to virtual libraries model, is proposed
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