899 resultados para EPA SWMM
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"B-231219."--P. [1].
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"B-217221"--1st prelim. p.
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Shipping list no.: 99-0007-P
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"B-276608"--P. 1.
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Cover title: Financial capability guidebook.
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"EPA Report No. 600/9-86-013"--P. ii.
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"B-266331"--P. 1.
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"B-236358.3"--P. [1]
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Eicosapentaenoic acid (EPA) has been shown to attenuate muscle atrophy in cancer, starvation and hyperthermia by downregulating the increased expression of the ubiquitin-proteasome proteolytic pathway leading to a reduction in protein degradation. In the current study EPA (0.5 g/kg) administered to septic mice completely attenuated the increased protein degradation in skeletal muscle by preventing the increase in both gene expression and protein concentration of the alpha- and beta-subunits of the 20S proteasome, as well as functional activity of the proteasome, as measured by the 'chymotrypsin-like' enzyme activity. These results suggest that muscle protein catabolism in sepsis is mediated by the same intracellular signalling pathways as found in other catabolic conditions.
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Adipose tissue of mice bearing a cachexia-inducing murine tumour (MAC16) shows increased expression of zinc-α2-glycoprotein (ZAG), a lipolytic factor thought to be responsible for the increased lipolysis. The anti-cachectic agent eicosapentaenoic acid (EPA) (0.5 g/kg) attenuated the loss of body weight in mice bearing the MAC16 tumour, and this was accompanied by downregulation of ZAG expression in both white and brown adipose tissue, as determined by Western blotting. Glucocorticoids may be responsible for the increased ZAG expression in adipose tissue. Dexamethasone (1.68 μM) stimulated lipolysis in 3T3-L1 adipocytes, and this effect was attenuated by EPA (50 μM). In addition the lipolytic action of dexamethasone was attenuated by anti-ZAG antibody, suggesting that the induction of lipolysis was mediated through an increase in ZAG expression. This was confirmed by Western blotting, which showed that dexamethasone (1.68 μM) induced a two-fold increase in ZAG expression in both cells and media, and that this was attenuated by EPA (50 μM). These results suggest that EPA may preserve adipose tissue in cachectic mice by downregulation of ZAG expression through interference with glucocorticoid signalling. © 2005 Elsevier Ltd. All rights reserved.
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La presente invención se refiere a un procedimiento para la purificación de EPA mediante reacciones enzimáticas de esterificación, caracterizadas por lipasas, a partir de extractos de pescado y microalgas y al uso del factor adimensional de eficacia para la cuantificación de la eficacia de las lipasas para concentrar y recuperar de forma simultánea un ácido graso poliinsaturado en la fracción de ácidos grasos libres.
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This chart gives the long term effects of radon on smokers and non-smokers.
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The present work has aimed to determine the 16 US EPA priority PAH atmospheric particulate matter levels present in three sites around Salvador, Bahia: (i) Lapa bus station, strongly impacted by heavy-duty diesel vehicles; (ii) Aratu harbor, impacted by an intense movement of goods, and (iii) Bananeira village on Maré Island, a non vehicle-influenced site with activities such as handcraft work and fisheries. Results indicated that BbF (0.130-6.85 ng m-3) is the PAH with highest concentration in samples from Aratu harbor and Bananeira and CRY (0.075-6.85 ng m-3) presented higher concentrations at Lapa station. PAH sources from studied sites were mainly of anthropogenic origin such as gasoline-fueled light-duty vehicles and diesel-fueled heavy-duty vehicles, discharges in the port, diesel burning from ships, dust ressuspension, indoor soot from cooking, and coal and wood combustion for energy production.
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The diet and plasma lipid patterns associated with lipid oxidation susceptibility in rats fed different doses of polyunsaturated fatty acids (n-3 PUFA) from fish oil were evaluated. Wistar rats were assigned into three groups and received diets containing 8% soybean oil (SOY), 4% soybean oil + 4% fish oil (SOY-FISH) and 8% fish oil (FISH) for 21 days. Linoleic, oleic and ?-linolenic acids in SOY diets were substituted by myristic, palmitic, palmitoleic, eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids in SOY-FISH and FISH diets reducing the n-6/n-3 ratio and increasing the peroxidability index (PI). Increased dietary EPA and DHA were observed in SOY-FISH and FISH plasma at the expense of linoleic and arachidonic acid levels. Saturated fatty acids, which were significantly different between the three diets (P < 0.01), were found at the same concentration in the plasma (P = 0.23). No changes were observed in oxidative stress as measured by the concentration of thiobarbituric acid reactive substances (TBARS) expressed in brain homogenates. However, TBARS concentration in the plasma of the SOY-FISH group was higher than the other two groups (P = 0.02). The major differences between these three groups were the n-3 PUFA content (0.4, 1.8 and 3.2 g/100 g diet) and the saturates/polyunsaturates ratio (0.3, 0.5 and 0.8) for SOY, SOY-FISH, and FISH groups, respectively. Thus, n-3 PUFA intake from fish oil only when followed by a decrease in saturated/polyunsaturated fatty acids ratio increased oxidative susceptibility in rats measured by plasma TBARS concentration