enzymes in coastal regions lagoons and estuaries
báo cáo hóa học:" Levels and trends of industrial chemicals (PCBs, PFCs, PBDEs) in archived herring gull eggs from German coastal regions" pptx
Ngày tải lên :
21/06/2014, 17:20
... applications, including firefighting foams, carpet impregnation, coatings and additives, leather and textile treatments, paper and packaging, industrial and household cleaning products, pesticides, and insecticides ... 1920s, e.g., as hydraulic fluids, lubricating oils, and cooling and insulating fluids for transformers and capacitors, plasticizers, stabilizing additives, and flame retardants Their unfavorable ... Levels and trends of industrial chemicals (PCBs, PFCs, PBDEs) in archived herring gull eggs from German coastal regions Annette Fliedner*1, Heinz Rüdel1, Heinrich Jürling1, Josef Müller1,...
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Báo cáo y học: "NITRIC OXIDE (NO), CITRULLINE – NO CYCLE ENZYMES, GLUTAMINE SYNTHETASE AND OXIDATIVE STRESS IN ANOXIA (HYPOBARIC HYPOXIA) AND REPERFUSION IN RAT BRAIN"
Ngày tải lên :
26/10/2012, 09:07
... AL and arginase in the study AS and AL activities increased in all the three brain regions significantly in anoxia suggesting an increased utilization of citrulline for the production of arginine ... recycled to arginine by successive actions of argininosuccinate synthetase (AS; EC 6.3.4.5) and argininosuccinate lyase (AL; EC 4.3.2.1) via the citrulline-NO cycle (18) Arginine in brain is also utilized ... hypoxia) and reperfusion damage in brain The increased activities of AS and AL indicate the effective recycling of citrulline to arginine and suggest a functional role to citrulline –NO cycle enzymes...
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Characterization of the Carbon Stable Isotope Ratio and Fatty Acid Structure of Zostera japonica in Coastal Areas
Ngày tải lên :
05/09/2013, 10:17
... rhizomes than in the leaves and stems, and 18:3n3 was contained in lesser amounts in the roots and rhizomes than in the leaves and stems The content of 18:2n6c, 18:3n3 and LCFAs in the leaves and stems ... shown in Table and Fig.1 The water temperatures were HK NG MG KT KG Fig - Sampling sites for seagrasses Table Sampling conditions and cooperating institutions during sampling Table - Sampling conditions ... Z.marina RR LS -14 -13 -12 -11 -10 -9 -8 δ13C（‰） Fig.2 Comparison of δ Z in Z japonica Fig - Comparison of δ13C in 13C japonica and Z marina and Z marina LS: leaves and stems LS: leaves and stems...
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Tài liệu Báo cáo " Effect of Sweet potato (Ipomoea batatas (L.) Lam) leaf extract on hypoglycaemia, blood insulin secretion, and key carbohydrate metabolic enzymes in expermentally obese and STZ-induced diabetic mice " pptx
Ngày tải lên :
12/02/2014, 17:20
... fasting glucose and plasma insulin secretion in obese-diabetic mice Glucose (mmol/l) Treatment with extract fraction Starting point Final Change Plasma insulin (pmol/l) of glucose Starting point ... diabetic STZ induced HFD fed mice were expressed diabetic disease and a insulin resistance However, plasma insulin in HFDfed mice injected STZ was lower as compared to HFD mice without STZ injection ... above results showed that in the ND+STZ mice there are not significant changes in blood fasting glucose, plasma insulin and lipid parameters, such as TC, TG, HDL, and PI, in comparison with untreated...
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Báo cáo khoa học: Enzymes of creatine biosynthesis, arginine and methionine metabolism in normal and malignant cells Soumen Bera1, Theo Wallimann2, Subhankar Ray1 and Manju Ray1 potx
Ngày tải lên :
07/03/2014, 04:20
... estimation of proline and ornithine J Biol Chem 199, 91–95 45 Van Pilsum JF, Martin RP, Kito E & Hess J (1956) Determination of creatine, creatinine, arginine, guanidinoacetic acid, guanidine, and methyl-guanidine ... differences in ornithine and creatinine content in the blood of tumor-bearing mice compared to that in tumor-free mice, with the values of GAA differing significantly, being higher in tumor-bearing mice ... creatine synthesis, arginine is additionally involved in several biosynthetic pathways that include a number of enzymes such as arginase (EC 3.5.3.1), arginine decarboxylase (EC 4.1.1.19) and...
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Plants in Alpine Regions Cell Physiology of Adaption and Survival Strategies pptx
Ngày tải lên :
14/03/2014, 09:20
... Timing and Dynamics of Flower and Seed Development in High-Mountain Plants 135 Johanna Wagner, Ursula Ladinig, Gerlinde Steinacher, and Ilse Larl 11 Plant Water Relations in Alpine Winter ... research in alpine regions in many fields, including biology, medicine, weather and climate, geology, geography and others Surrounded by high mountains, the university still is a center of alpine research ... Taschler and Neuner 2004) and in glacier species (Buchner and Neuner 2003; Larcher 1977) 3.2 Climate in Mountain Regions 3.2.1 Air Temperatures in Mountain Regions Air temperatures decrease with increasing...
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Báo cáo " Community based coastal resources management behind changes in surface water environment and land policy: A case study in the Tam Giang Lagoon, Central Vietnam " ppt
Ngày tải lên :
14/03/2014, 15:20
... Re-inventing power and politics in coastal communities: community based and coastal resource management in the Philippines Marine Affairs Program, Dalhousie University, Canada McCay, B.J and ... aquaculture, help each other when having disasters, diseases, and financial difficulty, and (iii) resolving conflicts in fishing grounds and about resources among individuals and/ or household members However, ... p.20] According to American standard, total nitrogen (TN) applied to coastal water (TN < 0.9 mg/l), Chinese standard to fish culture (TN < 0.5 – 1.0 mg/l) and Japanese standard to coastal water...
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Báo cáo khoa học: Modeling hydration mechanisms of enzymes in nonpolar and polar organic solvents potx
Ngày tải lên :
16/03/2014, 10:20
... protein aggregation, played an important role in the protein function Our approach to the study of protein structure and dynamics in such media has been focused on understanding how proteins are ... 13 Halling PJ (1990) High-affinity binding of water by proteins is similar in air and in organic solvents Biochim Biophys Acta 1040, 225–228 14 Yang PH & Rupley JA (1979) Protein–water interactions ... more complete understanding of the structural properties of this enzyme in organic solvents is shown in Fig Cutinase was simulated in five different organic solvents of increasing dielectric constant...
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Báo cáo khoa học: Enzymes in organic media Forms, functions and applications potx
Ngày tải lên :
16/03/2014, 16:20
... subtilisin in the presence of 98% (w/w) of KCl was tentatively explained by either rigid salt structure protecting the enzyme in organic solvents or polar environment of salt helping in maintaining ... side chains of amino acid residues of enzymes is important in nonaqueous media as well Hence pH tuning (placing the enzyme in water at optimum pH of the enzyme, and lyophilizing) results in higher ... (2001) Enzymes in nonaqueous solvents: Applications in carbohydrate and peptide preparation In Enzymes in Nonqueous Solvents: Methods and Protocols (Vulfson, E.N., Halling, P.J & Holland, H.L.,...
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Báo cáo khoa học: Identification of malic and soluble oxaloacetate decarboxylase enzymes in Enterococcus faecalis potx
Ngày tải lên :
22/03/2014, 16:20
... Remarkably, MLE and OAD proteins contain the same conserved amino acids found in the active site of previously characterized MEs, including the catalytic tyrosine and lysine residues involved in the acid–base ... the divalent cation-binding residues, and two Rossman domains (GXGXXG) implicated in cofactor binding [1] (Fig 1B) For this reason, in this study we refer to MEs, MLEs and OAD enzymes as members ... variations in malic and OAD activities (not shown) It was previously suggested that Es coli ME may be involved in amino acid and ⁄ or lipid biosynthesis Bearing that in mind, we examined whether...
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Báo cáo " A numerical model for the simulation of wave dynamics in the surf zone and near coastal structures " pot
Ngày tải lên :
28/03/2014, 15:20
... there is a large time variation of TKE, and the peaks in turbulence intensity and suspended sediment concentration coincide with incoming waves. Accordingly, onshore transport of TKE and suspended sediment by incoming ... turbulence in a strong plunging breaker, Coastal Engineering 24 (1995) 177. F.C.K. Ting, J.T. Kirby, Dynamics of surf zone turbulence in a spilling breaker, Coastal Engineering 27 (1996) 131. ... transport model, Coastal Engineering 34 (1998) 277. [14] H.A. Schaffer, P.A. Madsen, R. Deigaard, A Boussinesq model for waves breaking in shallow water, Coastal Engineering 20 (1993) 185. ...
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Báo cáo sinh học: " Role of HIV-1 subtype C envelope V3 to V5 regions in viral entry, coreceptor utilization and replication efficiency in primary T-lymphocytes and monocyte-derived macrophages" docx
Ngày tải lên :
18/06/2014, 18:20
... experiencing a rapid and extensive spread of infection National surveys in India have shown that the spread in India is primarily heterosexual in the metropolitan and coastal cities, and via intravenous ... flexible regions of the proteins and may play roles in CD4 binding and neutralizing antibody responses [26,27] The mechanisms by which the V3 domain and other regions of the env glycoprotein control ... cloning, and sequencing VS performed all biological experiments, including T-cells lines and primary cells infection experiments RR contributed in transfections and infection experiments SS and...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 1 ppsx
Ngày tải lên :
11/08/2014, 15:20
... mechanical, including photocopying, microfilming, and recording, or by any information storage and retrieval system, without permission in writing from the publisher Current printing (last digit): 10 PRINTED ... such as serine, phenylalanine, proline, methionine, and cysteine by birnessite, and the role of pyrogallol in influencing their mineralization have been investigated (152,153) Nitrogen mineralization ... Activities in Soil Enzyme Enzymes involved in C transformations Xylanase Cellulase Invertase β-Glucosidase β-Galactosidase Enzymes involved in N transformations Protease (casein-hydrolyzing proteases)...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 2 pptx
Ngày tải lên :
11/08/2014, 15:20
... continuous measurement of enzymatic activity Products of substrates containing aromatic amines, including the commonly used 7-amino-4-methylcoumarin, 7-amino-4-trifluoromethylcoumarin, and 6-aminoquinoline, ... cells and from protozoan grazing on bacteria Ectoenzymes and extracellular enzymes (in contrast to intracellular enzymes) react outside the cell, and most of them are hydrolases The ectoenzymes ... information that helps in understanding basic processes of decomposition and microbial activity in both freshwater and marine ecosystems II ORIGIN AND ASSOCIATION OF ENZYMES WITH AQUATIC MICROORGANISMS...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 3 pdf
Ngày tải lên :
11/08/2014, 15:20
... OF EXTRACELLULAR ENZYME ACTIVITIES IN SEAWATER A Enzymes in Coastal Regions, Lagoons, and Estuaries Coastal regions represent the transition zone between land and the open sea Thus they are frequently ... polymers at midchain, is not surprising Bacteria typically can express a range of both exo- and endo-acting extracelllar enzymes These enzymes typically have distinct domains for binding and cleavage ... Cottrell and colleagues should prove to be a promising means of investigating and identifying enzymes available to the vast majority of marine organisms that have not been isolated in pure cultures Investigations...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 4 potx
Ngày tải lên :
11/08/2014, 15:20
... strains The DAPGϩ strain caused a significant decrease in the shootto-root ratio in comparison to that of the control and other inoculants, indicating plant stress F113 increased soil alkaline ... of Jordan and associates (16) They evaluated microbial measurements (including acid and alkaline phosphatase activities) as indicators of soil quality in long-term cropping practices in historical ... Variations in K m values obtained from the forest and grassland soils suggest that the origins of the enzymes were different in the two soils Therefore, such kinetic studies can be a good indicator...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 5 ppt
Ngày tải lên :
11/08/2014, 15:20
... long-chain poly-P to total Copyright © 2002 Marcel Dekker, Inc Figure Enzymes involved in P transport in AM roots poly-P was observed in the external hyphae, and short-chain poly-P was higher in ... molecules involved in fungal–plant interactions is crucial for a better understanding of symbiosis Copyright © 2002 Marcel Dekker, Inc In the following sections, some results obtained from studying ... peroxidase activity increased linearly with increasing P supply, suggesting a role of peroxidase in limiting AM infection in well-P-nourished plants (140) The analysis of catalase and ascorbate peroxidase...
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7Microbial Enzymes in the Biocontrol of Plant Pathogens and aEnzymes in the Environment: Activity, Ecology and Applications - Chapter 7PestsLeonid Chernin and Ilan ChetThe ppt
Ngày tải lên :
11/08/2014, 15:20
... hydrolytic enzymes produced by B cinerea both in vitro and in vivo and inhibited infection caused by B cinerea (146) C Involvement of Fungal Enzymes in Induced Resistance To protect themselves against ... attachment, and de novo synthesis of a set of cell-wall-degrading enzymes that aid the parasite in penetrating the host and completing its destruction Lectins, the sugar-binding proteins or glycoproteins ... endochitinase Thus, a combination of the Cry protein and an endochitinase could result in effective insect control in transgenic systems in which the Cry protein is not expressed in a crystalline...
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Enzymes in the Environment: Activity, Ecology and Applications - Chapter 8 potx
Ngày tải lên :
11/08/2014, 15:20
... activity A variety of enzymes involved in essential carbon and nitrogen transformations, including dehydrogenase, have been assessed in metal contaminated soils in both laboratory and field studies ... levels, and interactions with other soil minerals and organic matter (5,12,28,55,66,73) In a detailed evaluation of 13 soil enzymes involved with carbon, nitrogen, phosphorus, and sulfur cycling enzymes, ... more useful in determining the means and kinetics of reactions associated with organic pollutant decomposition or the effects of management decisions relating to the sustaining or improving of soil...
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