biochemical aspects of enzyme production and activity
Báo cáo y học: "A prospective assessment of the inter-laboratory variability of biochemical markers of fibrosis (FibroTest) and activity (ActiTest) in patients with chronic liver disease" ppt
... The variability of FibroTest and ActiTest was acceptable without clinical consequences for the prediction of the stage of liver fibrosis and grade of activity Standardized methods and assay calibration ... multiples of the upper limit of normal Since we and others have demonstrated that current definitions of normal values may be inappropriate [8– 10], a major concern was the definition of ALT and GGT activity ... variability of FibroTest and ActiTest values, among nine different laboratories, was acceptable and without clinical consequences for the prediction of the stage of liver fibrosis or grade of activity...
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Textbook of Sports Medicine Basic Science and Clinical Aspects of Sports Injury and Physical Activity pot
... Editors and Contributors, ix Preface, xv Introduction, Part 1: Basic Science of Physical Activity and Sports Injuries: Principles of Training . Cardiovascular and respiratory aspects of exercise ... of Jyvọskylọ, FIN-, Finland Timo Sọppọlọ National Public Health Institute, Helsinki, FIN-, Finland Timo Takala Department of Biology of Physical Activity, University of Jyvọskylọ, FIN-, Finland ... Rehabilitation and Research Centre, University of Oulu, FIN-, Finland Axel Urhausen Institute of Sports and Preventitive Medicine, Department of Clinical Medicine, University of Saarland, D-, Saarbruecken,...
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Some aspects of American culture and society in the twentieth and twenty-first centuries through a number of selected short literary works
... beautiful and lively with variety of colors such as purple, yellow, pink of the walls; dark green, white and yellow of the notocactus and cactus, and all kinds of fragrance from the flowers and herbs ... cultural and social aspects of the American in the twentieth and twenty-first centuries later discussed in this research 18 Chapter : some Aspects of American culture and society in the twentieth and ... behaviors and attitudes of the grandmother, the father and the mother and the children at least cause discontent to one another The grandmother held the floor most of the time from the beginning of...
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Quantitative aspects of ruminant digestion and metabolism - Phần 1
... bursts of spiking activity of long duration propagate along the spiral colon These occur as several phases of hyperactivity per day and are associated with the propulsion of large volumes of digesta ... the exponential behaviour of data set and the sigmoid and incomplete asymptotic behaviour of data sets and (a), and the natural logarithmic plots for data sets and with and without correction for ... Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada J.V Nolan, School of Rural Science and Agriculture, University of New England, Armidale,...
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Quantitative aspects of ruminant digestion and metabolism - Phần 2
... factor (R), and of calculated water and dry matter (DM) flow, to deviations from uniform distribution of the particle marker throughout the DM of the particle phase (PP) and digesta (DG) and of the ... order of magnitude less than its MRT (Faichney and Boston, 1985) Warner and Stacy (1968) examined the effects of ingestion of feed and water on the marker concentration curve and Faichney and Griffiths ... degradation of rumen protozoa Proceedings of the Nutrition Society of Australia 14, 153 Faichney, G.J (1990) Effect of level of intake and grinding of lucerne hay on the efficiency of rumination...
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Quantitative aspects of ruminant digestion and metabolism - Phần 3
... amount of microbial mass per unit of fermentable ¨ substrate and the amount of either gas or VFA produced (Blummel et al., 1997b) Based on this relationship and the stoichiometry of gas and VFA production, ... incubation pH, presence of reducing factors, type of protease used and batch-to-batch variability in enzyme activity, pre-incubation with carbohydrate degrading enzymes and the enzyme: substrate ratio ... overestimation of both the immediately soluble fraction and the extent of degradation, and likely underestimation of the rate of degradation (Huntington and Givens, 1995) Loss of particles from...
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Quantitative aspects of ruminant digestion and metabolism - Phần 4
... integrity of the leaf and stem components by removal of cuticle, crushing and separation of vascular bundles and other plant tissues, and release of plant cell contents (Ulyatt et al., 1986; Wilson and ... representation of the breakdown process of (A) leaves of tropical and temperate grasses and of legumes, and (B) mature stems of grass and legume, during eating and initial (0–6 h) digestion in the ... C.T and Handley, T.A (1986) The assessment of handling time ion in ruminants: the effect of plant chemical and physical structure on the rate of breakdown of plant particles in the rumen of mule...
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Quantitative aspects of ruminant digestion and metabolism - Phần 5
... R.A and Brett, D.J (1966) Simultaneous measurements of the rates of production of acetic, propionic and butyric acids in the rumen of sheep on different diets and the correlation between production ... A.M and Leng, R.A (1976) Rates of production of methane in the rumen and large intestine of sheep British Journal of Nutrition 36, 1–14 Murray, R.M., Bryant, A.M and Leng, R.A (1978) Methane production ... composition of supplements), level of intake, retention time of solids and liquids, and the timing of release of energy substrates and nitrogenous materials into the medium (rumen ‘synchrony’) Effect of...
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Quantitative aspects of ruminant digestion and metabolism - Phần 6
... digestibility of feed and production of VFA and microbial protein However, the complexity of these analogues, which often employ pulse addition of heterogeneous, particulate substrate and differential and/ or ... described and this number is expected to increase with continued research Rumen Microorganisms and their Interactions 209 Species Diversity and Activity Species diversity and the size and activity of ... notably when the quality of the feed and dietary levels of N are poor (mainly in the tropics and subtropics) Rumen bacteria are efficient scavengers of N sources and uptake of ammonia is represented...
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Quantitative aspects of ruminant digestion and metabolism - Phần 7
... tools and bioinformatics offer the promise for an even better understanding of this ecologically complex environment References Abou Akada, A.R and El-Shazly, K (1964) Effect of absence of ciliate ... Applied and Environmental Microbiology 56, 2186–2192 Chen, M and Wolin, M.J (1979) Effect of monensin and lasalocid-sodium on the growth of methanogenic and rumen saccharolytic bacteria Applied and ... M.E and Marsh, P.B (1976) Effect of monensin fed with forage on digestion and the ruminal ecosystem of steers Journal of Animal Science 42, 229–234 Eadie, J.M and Gill, J.C (1971) Effect of the...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 8 docx
... measurements of rumen VFA concentrations rather than on rates of production The VFA data used in these studies are not only the result of VFA production in the rumen but also of the rates of outflow and ... remainder of the body (Baldwin, 1995) Only Gill et al (1989) addressed the concept of energy costs of nutrients and ion transport, and of protein synthesis and degradation in tissues of the total ... of Dairy Science 80, 1005–1028 Nocek, J.E and Tamminga, S (1991) Site of digestion of starch in the gastrointestinal tract of dairy cows and its effect on milk yield and composition Journal of...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 9 pptx
... palmitate, oleate and stearate and rates of production and oxidation of propionate and butyrate in fed and starved sheep Biochemical Journal 104, 135–147 Baird, G.D., Lomax, M.A., Symonds, H.W and Shaw, ... radioactivity of the precursor at the site of metabolic use, causes an underestimation of the rate of conversion of precursor to product Consequently, estimates of the rate of conversion of precursor ... (6–15%) of glucose uptake (Pell and Bergman, 1983) The ratios of organ production and utilization of lactate change during pregnancy and lactation The uteroplacental unit is a net producer of lactate,...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 10 pptx
... (1967a) Rates of entry and oxidation of acetate, glucose, D(-)-b-hydroxy-butyrate, palmitate, oleate and stearate, and rates of production and oxidation of propionate and butyrate in fed and starved ... and Haaland, G.L (1988) Effect of bovine somatotropin on metabolism of lactating cows: influence on rates of irreversible loss and oxidation of glucose and nonesterified fatty acids Journal of ... R.J., Wolfe, B.M and Bohmer, T (1971) Quantitative studies of the metabolism of chylomicron triglycerides and cholesterol by liver and extra hepatic tissues of sheep and dogs Journal of Clinical Investigations...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 11 ppt
... representation of the specific activity of the tracer following the administration of a constant infusion (a) or of a flooding-dose (b) of a labelled amino acid In (a) the ratio of the isotopic activity of ... approaches (e.g measurements of protein levels for some enzymes of the ubiquitination machinery and proteasomal subunits, of the rate of ubiquitination of protein substrates, and of proteasome activities) ... catheterization of an artery and a vein draining a hind limb bed An index of both the rates of protein breakdown and synthesis is calculated by measuring the concentration of the label and its isotopic activity...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 12 docx
... (100% of ME and CP requirements) and high (160% of ME and CP requirements) intake levels, the liver removed approximately 34% of the AA absorbed by the PDV Removal of essential AA comprised 15% of ... nutrient use and animal health Clearly then, considering the complexity of AA as nutrients, and as signals that can affect protein and energy metabolism, and in light of the different aspects of metabolic ... production of heat This quantity of heat, produced as a result of ß CAB International 2005 Quantitative Aspects of Ruminant Digestion and Metabolism, 2nd edition (eds J Dijkstra, J.M Forbes and...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 13 docx
... Pollock, H and Taylor, E (1987) Enzymes of glucose and fatty acid metabolism of liver, kidney, skeletal muscle, adipose tissue and mammary gland of lactating and non-lactating sheep Journal of Animal ... the number of young alters the rate of milk production (Vernon et al., 2002) Again there is an apparent feedback mechanism via the production of an inhibitor of milk secretion and hence production ... mammary gland – all tissues with very high rates of lipogenesis ACC-b is found in a wider variety of tissues including heart and skeletal muscle; ACC-b activity is lower than that of ACC-a, and is...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 14 docx
... 12 , F 23 and F 32 and F 24 and F 42 , respectively Labelled 32 P was administered as a single dose, D cpm, at time zero, and the size and specific activity of the blood, bone and soft tissues ... blood (2), bone (3) and soft tissues (4)) and P enters the system via intake (F10 ) and exits via faeces (F 01 ) and urine (F 02 ) The daily intake and loss of P in faeces and urine were measured ... growth and efficiency of growth Regression analysis of results with cattle revealed positive correlations between the energy and protein intake and the expression of genes of components of the...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 15 pptx
... understanding of fetal growth and metabolism Macronutrient uptake and metabolism Numerous studies of pregnant ewes have described macronutrient metabolism and requirements of the fetus in terms of ... between maternal intakes of energy and nitrogen and conceptus tissue masses at different stages of pregnancy Quantitative descriptions of maternal and fetal fluxes of glucose and amino acids in sheep ... concentrations of insulin (Bassett and Hanson, 1998), and attenuated action of IGF-1 (Hooper et al., 1994) Restoration of normal insulinaemia by insulin infusion abolished most of the metabolic and growth-inhibitory...
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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 16 pdf
... 280 308 Fig 21.8 Usyn and Udeg at 1000 UCELLS and 1500 UCELLS vs time Usyn, rate of synthesis of udder enzymes; Udeg, rate of degradation of udder enzymes; UCELLS, number of secretory cells 568 ... Figure 21.12 shows simulation of a high-producing cow’s lactation and corresponding dependence of volume of milk on lactose and a-lactalbumin production Lactation and Dairy Cow Metabolism Models ... Murray, R.A and Peirce-Sandner, S.B (1991) Responses of dairy cows to supplemental rumen-protected forms of methionine and lysine Journal of Dairy Science 74, 2997–3013 Robert, C.P and Casella,...
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