occurrence bioavailability and metabolism of resveratrol

Báo cáo khoa học: Uptake and metabolism of [3H]anandamide by rabbit platelets Lack of transporter? ppt

Báo cáo khoa học: Uptake and metabolism of [3H]anandamide by rabbit platelets Lack of transporter? ppt

... rapid uptake of [3H]anandamide by Ó FEBS 2003 Uptake and metabolism of anandamide by rabbit platelets (Eur J Biochem 270) 3501 Fig Effect of caffeic acid and indomethacin on [3H]anandamide metabolism ... between 100 and 2000 nM was used and the incubation took place at 37 °C The concentration of phenylmethylsulfonyl fluoride used was mM and the preincubation time was 15 Metabolism of [3H] anandamide ... involvement of FAAH on [3H]anandamide uptake and metabolism by rabbit platelets, the effect of phenylmethylsulfonyl fluoride on [3H]anandamide uptake was determined (Fig 5) Preincubation of the platelet...

Ngày tải lên: 08/03/2014, 08:20

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Bioavailability and toxicity of cd to microorganisms and their activities in soil

Bioavailability and toxicity of cd to microorganisms and their activities in soil

... 0.87% C different soils: River sand, Gley, Gray lowland, Andosol and Humic Andosol (pH 5.7–8.5) different soils—River sand, Gley, Gray lowland, Andosol and Humic Andosol (pH 5.7–8.5)q2% sludge ... related to bioavailability, sensitivity of microorganisms, and the methodologies used 5.1 Bioavailability of Cd A major factor governing the toxicity of a metal in soil is its bioavailability Bioavailability ... Application of Cd (55–400 mg kgy1) delayed the decomposition of glutamic acid in both sandy and silty loam soils, but not in clay and sandy peat soils (Haanstra and Doelman, 1984) The mineralization of...

Ngày tải lên: 15/03/2014, 23:21

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Controls of bioavailability and biodegradability of dissolved organic matter in soils

Controls of bioavailability and biodegradability of dissolved organic matter in soils

... the stabilisation and destabilisation of soil organic matter, and thus, in C dynamics and C pools of soils Sollins et al (1996) present a conceptual model of SOM stabilisation and destabilisation ... inhibiting effects of Al and Fe on citrate mineralisation only at molar ratios of at least 0.97 and suspect that this is likely due to precipitation of metal oxides and subsequent sorption of their organic ... three general sets of characteristics affecting the stability of organic matter: recalcitrance, interactions and accessibility For the conceptual understanding of mechanisms and controls, this...

Ngày tải lên: 15/03/2014, 23:22

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Báo cáo lâm nghiệp: "Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae)" pps

Báo cáo lâm nghiệp: "Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae)" pps

... on leaves of A glutinosa and A incana Polnička, 1995 (light) The diagram of occurrence and development of the willow biological form of G lineola on leaves of S viminalis, S triandra and S caprea ... leaves of willows, alders and hazels, beetles and larvae of the pest can reputedly consume also the leaves of Padus avium Mill and Rubus sp The adaptation of G lineola to living conditions and particularly ... of the alder biological form of Galerucella lineola under released bark of older trees of S fragilis, S alba and Sambucus nigra L., rarely under bark of dead branches and stems Imagoes very often...

Ngày tải lên: 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Physiology and metabolism of ectomycorrhizae" pptx

Báo cáo lâm nghiệp: "Physiology and metabolism of ectomycorrhizae" pptx

... Mathematical analyses of efflux data allowed data to be separated into fluxes and pool sizes for compartments: cell wall/free space, cytoplasm and vacuole was There was rapid influx and efflux of potassium ... mycorrhizal and non-mycorrhizal Douglas fir seedling roots during a short uptake period (Bledsoe and Rygiewicz, 1986) Influx and efflux of cations (ammonium, potassium, calcium, H and anions ) ... 75% of the control rates Thus choice of the fungal partner did affect amino acid uptake rates roots of Amino acid metabolism Amino acid uptake different amino acids, uptake rates by roots of Douglas...

Ngày tải lên: 09/08/2014, 04:20

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Quantitative aspects of ruminant digestion and metabolism - Phần 1

Quantitative aspects of ruminant digestion and metabolism - Phần 1

... 263 METABOLISM 11 Glucose and Short-chain Fatty Acid Metabolism R.P Brockman 291 12 Metabolism of the Portal-drained Viscera and Liver D.B Lindsay and C.K Reynolds 311 13 Fat Metabolism and Turnover ... 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

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

Quantitative aspects of ruminant digestion and metabolism - Phần 3

... 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 ... Roughan, P.G and Holland, R (1977) Predicting in-vivo digestibilities of herbages by exhaustive enzymic hydrolysis of cell walls Journal of the Science of Food and Agriculture 28, 1057–1064 Schofield, ... cultures, and enable the study of long-term (weeks) effects of factors affecting the microbial population and the digestion of nutrients under controlled conditions of pH, turnover rate and nutrient...

Ngày tải lên: 29/10/2013, 00:15

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Quantitative aspects of ruminant digestion and metabolism - Phần 4

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...

Ngày tải lên: 29/10/2013, 00:15

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Quantitative aspects of ruminant digestion and metabolism - Phần 5

Quantitative aspects of ruminant digestion and metabolism - Phần 5

... and metabolism of volatile fatty acids, glucose and CO2 in steers and the effects of monensin on volatile fatty acid kinetics Journal of Nutrition 113, 1265–1277 Barcroft, J., McAnally, R.A and ... 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 ... 42, 47–52 Cotta, M.A and Hespell, R.B (1986) Protein and amino acid metabolism of rumen bacteria In: Milligan, L.P., Grovum, W.L and Dobson, A (eds) Control of Digestion and Metabolism in Ruminants...

Ngày tải lên: 07/11/2013, 23:15

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Quantitative aspects of ruminant digestion and metabolism - Phần 6

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 ... 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 ... 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...

Ngày tải lên: 07/11/2013, 23:15

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Quantitative aspects of ruminant digestion and metabolism - Phần 7

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...

Ngày tải lên: 07/11/2013, 23:15

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 8 docx

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 8 docx

... concept of energy costs of nutrients and ion transport, and of protein synthesis and degradation in tissues of the total gastrointestinal tract of growing lambs No efforts are known, however, of integrating ... 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 ... pattern of feed intake and the in situ degradation characteristics of carbohydrates and N First, a diet was simulated with a daily dry matter intake of 10.0 kg of grass silage, 6.5 kg of maize...

Ngày tải lên: 15/12/2013, 08:15

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 9 pptx

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 9 pptx

... R.J., Wolff, B.M and Bohmer, T (1971) Quantitative studies of the metabolism of chylomicron triglycerides and cholesterol by liver and extrahepatic tissues of sheep and dogs Journal of Clinical Investigation ... 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, ... Biochemistry and Physiology 81A, 255–257 Brockman, R.P and Laarveld, B (1986) Effect of insulin on gluconeogenesis and the metabolism of lactate in sheep Canadian Journal of Physiology and Pharmacology...

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 10 pptx

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 ... H.F and Haaland, G.L (1986) Effect of bovine growth hormone administration on metabolism of growing Hereford heifers: protein and lipid metabolism and plasma concentrations of metabolites and ... 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...

Ngày tải lên: 15/12/2013, 09:15

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 11 ppt

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 11 ppt

... 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 ... of Protein Metabolism and Turnover 379 their high rates of protein turnover In addition, changes in renal clearance of 3methylhistidine may affect the interpretation of the data (see Attaix and...

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 12 docx

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 ... digestion and mastication of food; (iii) the heat of fermentation; (iv) the work of excretion by the kidney; and (v) the increased muscular activity of various organs due to the metabolism of nutrients...

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 13 docx

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 13 docx

... several isoforms; for example there are at least three isoforms of the b-adrenergic receptor (Carpene et al., 1998), two of the GTPbinding protein Gs , at least three isoforms of Gi (Manning and Woolkalis, ... Increased Uptake of glucose, acetate, ketones, amino acids, VLDL-TG fatty acids, Ca2þ and Pi, increased Synthesis and secretion of protein, lipid and lactose increased Secretion of Ca2þ and Pi increased ... Decreased ? Uptake of acetate, glucose and VLDL-TG fatty acid decreased Synthesis of lipid decreased Output of fatty acids and glycerol increased Decreased Unchanged Uptake of glucose and acetate may...

Ngày tải lên: 15/12/2013, 09:15

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 14 docx

Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 14 docx

... 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 ... 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 ... Kebreab and D.M.S.S Vitti requirements, absorption, sources of Cu and effect of Cu on lipid metabolism Therefore, in this chapter, only a limited update of quantitative aspects of Cu metabolism...

Ngày tải lên: 15/12/2013, 09:15

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Tài liệu Quantitative aspects of ruminant digestion and metabolism - Phần 15 pptx

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 ... and Nixon, D.A (1960) Fructose metabolism in the isolated and perfused liver of the foetal and new-born sheep Journal of Physiology 153, 199–208 Andriguetto, J.L., Slepetis, R., Butler, W.R and...

Ngày tải lên: 15/12/2013, 09:15

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