Introduction: Bioelectrical impedance is a fast, inexpensive, easy, portable, and noninvasive method. A major innovation in the analysis of body composition is segmental bioelectrical impedance. Objectives: To assess the applicability of segmental bioelectrical impedance. Subjects and methods: The study was conducted on female subjects divided into two groups: Group I (n = 8) consisted of healthy women and group II (n=25) of obese women with Polycystic Ovary Syndrome (PCOS). All subjects were submitted to examination by total and segmental bioelectrical impedance. Results and discussion: Anthropometric parameters (weight, BMI, total lean mass and total fat mass) showed significant differences between groups. There was a significant difference between groups I and II for all body segments evaluated, except for lean mass of the leg. Conclusion: Procedures of segmental bioelectrical impedance will be increasingly useful in the nutritional assessment of tissue masses, enabling more sensitive assessment and monitoring of nutritional care.
REUTILIZAÇÃO E RECICLAGEMDevido ao material, argila, a argila expandida é reciclável, pois pode ser submetida ao mesmo tratamento e se tronará argila expandida novamente (SCOBRAR, 2016), se por acaso, for quebrada.Pode ser reutilizada, devido à alta resistência química e física, exceto quando estiver dentro das estruturas de concreto. Nesse caso, deverá passar pelo sistema de reciclagem de entulhos na construção civil. NORMA BRASILEIRA (NBR)A NBR NM 35 cujo título é ¨Agregados leves para concreto estrutural: especificação¨, se refere à granulometria de agregados no concreto. No entanto, não há normas dentro da ABNT para os usos em jardinagem, isolamento acústico ou térmico específicas para a argila expandida. MÃO DE OBRAApesar de sempre ser necessário uma mão de obra especializada nos trabalhos da engenharia civil, não há necessidade de mão de obra de alta especialização, especificamente, para o uso da argila expandida na construção, no entanto, como agregado do concreto, a especialidade da mão de obra está associada à confecção do concreto dentro do uso da granulometria correta desse agregado. CUSTOSA argila expandida é mais cara do que os materiais que ela substitui, de um modo geral, o que a torna viável é a diminuição do peso da alvenaria, que diminui a quantidade de concreto, de um modo geral, na obra.Para alguns serviços, como o isolamento térmico feito em algumas casas com a plantação de grama no telhado, o uso de terra tornaria difícil a execução em casas já construídas devido ao peso e tornaria a construção nova mais cara para a confecção dos pilares e vigas. Então, usar a argila expandida, gera um melhor custo benefício quando se propõe uma casa verde com isolamento térmico.Para um exemplo simples, se se decidir cobrir uma área de 7,5 m2 de um jardim com argila expandida, apenas para efeito visual, e considerando apenas uma camada de granulometria 22/32 mm, equivalente à Brita 2, de 10 cm, o volume será de 0.75 m3 serão necessários 15 sacos de 50 L de argila expandida, gerando um custo de
Knowledge of chylomicron metabolism is very important in understanding and treating protein malnutrition, since these particles are the primary carriers of dietary fat in lymph and plasma. In the bloodstream, fat transported in chylomicrons is hydrolyzed by the action of lipoprotein lipase and the resulting fatty acids and glycerol are taken up by the body tissues. Chylomicron remnants are then rapidly removed by the liver. To clarify chylomicron metabolism in protein malnutrition, triglyceride-rich emulsions known to behave metabolically like lymph chylomicrons and labeled with 14C-cholesteryl ester and 3H-triglycerides were injected intraarterially into control rats and rats fed a protein-deficient diet for 40 days. Plasma kinetics and organ uptakes of the labeled lipids were determined. Hydrolysis of the emulsion triglycerides by lipoprotein lipase was not different in the malnourished rats (TG-FCR = 0.250 +/- 0.027 m-1 vs 0.250 +/- 0.070 m-1 in controls), but plasma clearance of the resulting triglyceride-depleted emulsion remnant particles was markedly lower compared to controls (cholesteryl-ester FCR = 0.088 +/- 0.009 and 0.146 +/- 0.019 m-1, respectively, p < 0.001). These results were obtained regardless of the amount of emulsion lipid that was injected. Liver atrophy seem to account for the delayed remnant uptake in protein-depleted rats. These data provide insight into the consequences of parenteral nutrition with lipid emulsions when administered in states of protein malnutrition.
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