Pretende-se perceber se existe uma relação entre o nível regular de actividade física praticado p... more Pretende-se perceber se existe uma relação entre o nível regular de actividade física praticado pelas pessoas idosas e a sua autonomia instrumental. Desenvolveu-se um estudo descritivo, correlacional e transversal, no ano 2010, com amostra intencional constituída por 100 indivíduos com idade igual ou superior a 60 anos, de ambos sexos. A colheita de dados foi efectuada em dois ginásios e dois centros de dia localizados na cidade de Lisboa, e foram utilizados como instrumentos a Escala de Actividades Instrumentais de Vida Diária de Lawton e Brody e o International Physical Activity Questionnaire. Obteve-se uma média de idades de 76 anos, sendo 78% dos inquiridos do sexo feminino. Inseriram-se 30% na categoria de actividade física “ligeira”, 45% na “moderada” e 25% na “vigorosa”. Relativamente à autonomia instrumental, a maioria era moderadamente dependente. Verificou-se que o grau de autonomia instrumental dos idosos aumenta com o incremento da actividade física praticada (ρS=0.815; ...
Objetivando determinar la forma que profesionales de salud y cuidadores de ninos/adolescentes con... more Objetivando determinar la forma que profesionales de salud y cuidadores de ninos/adolescentes con cancer, sin posibilidad terapeutica, enfrentan situaciones de inevitabilidad de muerte y ejercen cuidados paliativos, se llevo a cabo, en centro de referencia, operacion teorico-metodologica de analisis de contenido, por la tecnica de Bardin, del discurso de cinco cuidadores y 25 profesionales de salud. Fueron identificados elementos relacionales, que llevaran a provocaciones de reflexion y a componentes constitutivos, con los cuales fueron construidas categorias de analisis para dolor y sufrimiento, angustia y indignacion, impotencia y/o narcisismo y defensas. Profesionales de la salud han expresado su impotencia y efectos en su narcisismo, mientras que cuidadores verbalizaran idealizacion de los profesionales, gratitud al minimo ofertado, muchas huerfanidades y resignacion sobre la real gravedad de la enfermedad, sus consecuencias y cuidados a seran prestados. Se concluye que ambos lo...
The purpose of this investigation was to evaluate the abilities of a transplantable rat choriocar... more The purpose of this investigation was to evaluate the abilities of a transplantable rat choriocarcinoma (Rcho) to produce placental PRLs. The Rcho tumor was analyzed biochemically and histologically for the expression of placental PRLs. Expression of placental PRL mRNAs was determined by Northern blot and in situ hybridization analyses. Expression of placental PRL proteins was determined by Western blot and immunocytochemical analyses. Histologically, Rcho tumors were characterized by the appearance of giant cell surrounding hemorrhagic regions. Female rats bearing the Rcho tumor beneath their kidney capsule showed extensive mammary gland development. The Rcho tumors expressed placental lactogen-I (PL-I) mRNA and protein, but there was no evidence of placental lactogen-II (PL-II), PRL-like protein-A (PLP-A), or PRL-like protein-B (PLP-B). Rcho PL-I mRNA and proteins migrated as a 1-kilobase species and a 36- to 40-kDa species similar to those expressed by normal rat trophoblast tissues. The cell type responsible for Rcho PL-I production was the giant cell, similar to that observed in normal rat trophoblast tissues. In summary, we have demonstrated the production of PL-I by a transplantable rat choriocarcinoma (Rcho). The Rcho tumor resembles rat trophoblast tissue at early postimplantation stages (days 6-10 of gestation) and may be a useful tool for studying placental PRL expression during trophoblast differentiation.
Zeolites are aluminosilicates of frame structure and they constitute fresh rocks coming from the ... more Zeolites are aluminosilicates of frame structure and they constitute fresh rocks coming from the transformations of the volcanic glasses. In Cuba different zeolite manifestations of importance exist highlighting among them that of the location “Tasajeras”, in the central province of Cuba. The lack of feldspar of appropriate quality for the glass industry has served from stimulus to the realization of this work. The reactions of formation of silicates were analyzed using thermal studies and comparative the traditional glass with feldspar results and the zeolite dates, being discussed its particularities later on. The specificities of the physical–chemical behavior of the mixtures vitrificables allow to infer improvements during the trial in the processes of elaboration of the glass and sensitive energy savings industrial.
I. Introduction: SPECIALIZED strategies have evolved for controlling embryonic development. In ov... more I. Introduction: SPECIALIZED strategies have evolved for controlling embryonic development. In oviparous species, development of the embryo is dependent upon regulatory factors contained within the egg, whereas embryonic development ...
Pretende-se perceber se existe uma relação entre o nível regular de actividade física praticado p... more Pretende-se perceber se existe uma relação entre o nível regular de actividade física praticado pelas pessoas idosas e a sua autonomia instrumental. Desenvolveu-se um estudo descritivo, correlacional e transversal, no ano 2010, com amostra intencional constituída por 100 indivíduos com idade igual ou superior a 60 anos, de ambos sexos. A colheita de dados foi efectuada em dois ginásios e dois centros de dia localizados na cidade de Lisboa, e foram utilizados como instrumentos a Escala de Actividades Instrumentais de Vida Diária de Lawton e Brody e o International Physical Activity Questionnaire. Obteve-se uma média de idades de 76 anos, sendo 78% dos inquiridos do sexo feminino. Inseriram-se 30% na categoria de actividade física “ligeira”, 45% na “moderada” e 25% na “vigorosa”. Relativamente à autonomia instrumental, a maioria era moderadamente dependente. Verificou-se que o grau de autonomia instrumental dos idosos aumenta com o incremento da actividade física praticada (ρS=0.815; ...
Objetivando determinar la forma que profesionales de salud y cuidadores de ninos/adolescentes con... more Objetivando determinar la forma que profesionales de salud y cuidadores de ninos/adolescentes con cancer, sin posibilidad terapeutica, enfrentan situaciones de inevitabilidad de muerte y ejercen cuidados paliativos, se llevo a cabo, en centro de referencia, operacion teorico-metodologica de analisis de contenido, por la tecnica de Bardin, del discurso de cinco cuidadores y 25 profesionales de salud. Fueron identificados elementos relacionales, que llevaran a provocaciones de reflexion y a componentes constitutivos, con los cuales fueron construidas categorias de analisis para dolor y sufrimiento, angustia y indignacion, impotencia y/o narcisismo y defensas. Profesionales de la salud han expresado su impotencia y efectos en su narcisismo, mientras que cuidadores verbalizaran idealizacion de los profesionales, gratitud al minimo ofertado, muchas huerfanidades y resignacion sobre la real gravedad de la enfermedad, sus consecuencias y cuidados a seran prestados. Se concluye que ambos lo...
The purpose of this investigation was to evaluate the abilities of a transplantable rat choriocar... more The purpose of this investigation was to evaluate the abilities of a transplantable rat choriocarcinoma (Rcho) to produce placental PRLs. The Rcho tumor was analyzed biochemically and histologically for the expression of placental PRLs. Expression of placental PRL mRNAs was determined by Northern blot and in situ hybridization analyses. Expression of placental PRL proteins was determined by Western blot and immunocytochemical analyses. Histologically, Rcho tumors were characterized by the appearance of giant cell surrounding hemorrhagic regions. Female rats bearing the Rcho tumor beneath their kidney capsule showed extensive mammary gland development. The Rcho tumors expressed placental lactogen-I (PL-I) mRNA and protein, but there was no evidence of placental lactogen-II (PL-II), PRL-like protein-A (PLP-A), or PRL-like protein-B (PLP-B). Rcho PL-I mRNA and proteins migrated as a 1-kilobase species and a 36- to 40-kDa species similar to those expressed by normal rat trophoblast tissues. The cell type responsible for Rcho PL-I production was the giant cell, similar to that observed in normal rat trophoblast tissues. In summary, we have demonstrated the production of PL-I by a transplantable rat choriocarcinoma (Rcho). The Rcho tumor resembles rat trophoblast tissue at early postimplantation stages (days 6-10 of gestation) and may be a useful tool for studying placental PRL expression during trophoblast differentiation.
Zeolites are aluminosilicates of frame structure and they constitute fresh rocks coming from the ... more Zeolites are aluminosilicates of frame structure and they constitute fresh rocks coming from the transformations of the volcanic glasses. In Cuba different zeolite manifestations of importance exist highlighting among them that of the location “Tasajeras”, in the central province of Cuba. The lack of feldspar of appropriate quality for the glass industry has served from stimulus to the realization of this work. The reactions of formation of silicates were analyzed using thermal studies and comparative the traditional glass with feldspar results and the zeolite dates, being discussed its particularities later on. The specificities of the physical–chemical behavior of the mixtures vitrificables allow to infer improvements during the trial in the processes of elaboration of the glass and sensitive energy savings industrial.
I. Introduction: SPECIALIZED strategies have evolved for controlling embryonic development. In ov... more I. Introduction: SPECIALIZED strategies have evolved for controlling embryonic development. In oviparous species, development of the embryo is dependent upon regulatory factors contained within the egg, whereas embryonic development ...
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