ectoenzyme activity and lake water eutrophication
Tài liệu Báo cáo " Estimation and prediction of eutrophication in West Lake" ppt
... West Lake In other words, the models are general and the exporting coefficients are same for all kinds of lakes and watersheds To get more accurate results, it is necessary to investigate and ... rivers, lakes water and environmental protection of the water, Publishing house of Science and Technology, Hanoi, 200 pp (in Vietnamese) [6] Park, A.R (1974), A generalized model for simulating lake ... 3.2.1 The standard amount of Phosphorous loading to the lake We used Vollenweider model to calculate the standard amount of nutrients loading to the lake It is found that if the lake receives...
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Dynamics of Sewage Spillage and Storm Water Pollution on Lake Victoria Basin- A Case Study of Kisumu Municipality pdf
... Nyantika, D Ombao, M Grunder , F Mbote, and D Mungai Improved Land Management in the Lake Victoria Basin: Linking Land and Lake, Research and Extension, Catchment and Lake Basin Final Technical Report, ... Worthington, S and Worthington, E B The inland waters of Africa: the result of two expeditions to the Great Lakes of Kenya and Uganda, with accounts of their biology, native tribes and development ... Moorhouse, T and MaNabb, T The abundance and Distribution of Water Hyacinth in Lake Victoria and Kagera River Basin, 1989 – 2001 Report ,2002 Joseph L Awange and Obiero Ongángá Lake VictoriaEcology,...
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Báo cáo y học: "Pravastatin Provides Antioxidant Activity and Protection of Erythrocytes Loaded Primaqe"
... fragility and oxidative damage of erythrocytes of zinc-deficient rats J Nutr 1997; 127: 1290–1296 Lajos N, Miki N, Sandor S Protein and non-protein sulfhydryls and disulfides in gastric mucosa and ... thiobarbituric acid and 1.5 ml 20% acetic acid was prepared 200 μL of RBCs lysate and 1.9 ml distilled water were added to complete the volume of ml After boiling for h, the mixture was cooled, and ml of ... gluteraldehyde Aldehyde was drained and rinsed times each of in phosphate buffer and post-fixed in osmium tetroxide for h After this, the samples were rinsed in distilled water and then dehydrated using...
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Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems
... treatment plant effluent (10 mg/L), and rain water (5 and 10 mg/L) More than 20% degradation was observed in all Lake Tedori water and Unoke River water samples and rain water sample (1 mg/L) 100 90 ... water samples (1, 5, and 10 mg/L), all deionized water samples, and Unoke River water samples (5 and 10 mg/L), after d of incubation However, the density decreased in all rain water samples and ... Tedori River water (1 mg/L) and wastewater treatment plant effluent (5 mg/L) A considerable 20% degradation was observed in the following samples: Tedori River water (5 and 10 mg/L), wastewater treatment...
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Tài liệu Conditions of the surface water and ground water resources in the rural area of the Mekong Delta, Vietnam pptx
... agricultural land use with farms, mainly cropping rice and fruits Some of the farms maintain small animal husbandries and fishponds Surface water, rain water and ground water are used for the drinking and ... which consists of middle to coarse sand Methods For the appraisal of the surface water and ground water resources water sampling and analyses regarding the chemical and microbiological conditions ... amount of suspended solids and hygienically pollutants Conclusions and Outlook Regarding the ground water and the surface water quality the two study sites Hoa An and An Binh are typical for...
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Tài liệu Physical Activity and Women’s Health pptx
... occupational and leisuretime activity was combined and subjects were grouped into three activity classifications A strong inverse relationship was found between physical activity and CHD mortality ... observational and experimental evidence that physical inactivity plays a significant role in the development of cardiovascular disease in women, and that habitual physical activity and at least ... based programs in schools and communities that are culturally sensitive and ethnic-specific R EF ER EN CE S Albanes, D., Blair, A., and Taylor, P.R (1989) Physical activity and risk of cancer in...
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Tài liệu Time trends in leisure time physical activity and physical fitness in elderly people: 20 year followup of the Spanish population national health survey (1987-2006) docx
... proportional random selection of primary and secondary sampling units (towns and sections, respectively), with the final units (individuals) being selected by means of random routes and sex- and age-based ... sleeping > hours per day and those sleeping < hours per day Statistical analysis In this study we analyzed physical activity and physical fitness separately for men and women and we excluded respondents ... Team: Older adults, chronic disease and leisuretime physical activity Gerontology 2009, 55:64-72 Centers for Disease Control and Prevention: Physical activity and health A report of the Surgeon...
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Tài liệu Báo cáo khoa học: Secondary substrate binding strongly affects activity and binding affinity of Bacillus subtilis and Aspergillus niger GH11 xylanases docx
... Azo-wheat AX, water- unextractable AX and OSX X6 is a soluble, linear, oligomeric substrate Xylazyme AX and Azo-wheat AX are polymeric chromophoric AX that are water- unextractable and waterextractable, ... = 9.76 · 10)10 M and AzU = 50.8 · 10)10 M and for the wild-type XAN, X6U = 1.02 · 10)10 M, XyU = 7.72 · 10)10 M and AzU = 9.65 · 10)10 M for the activity on X6, Xylazyme AX and Azo-wheat AX, ... of water- unextractable arabinoxylan (WU-AX) (A) and oat spelt xylan (OSX) (B) by B subtilis xylanase mutants with a modified secondary binding site and of water- unextractable arabinoxylan (C) and...
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Tài liệu Báo cáo khoa học: Processing, catalytic activity and crystal structures of kumamolisin-As with an engineered active site pptx
... 38-kDa and 19-kDa proteins were mixed and subjected to nondenaturing PAGE, these proteins comigrated with each other, showing a broad protein band that differed from the respective original bands and ... time-dependent enhancement of the 57-kDa band with a concomitant diminution of the 38-kDa and 19-kDa bands, as analyzed by SDS ⁄ PAGE (Fig 3A) The 38-kDa and 19-kDa bands did not disappear completely ... wild-type 37-kDa mature form were incubated at pH and 50 °C for 10 and then subjected to SDS ⁄ PAGE, the 19-kDa band disappeared, whereas the 37-kDa band remained (Fig 2C) During the course of our...
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Tài liệu Báo cáo khoa học:Symmetric fluoro-substituted diol-based HIV protease inhibitors Ortho-fluorinated and meta-fluorinated P1/P1¢-benzyloxy side groups significantly improve the antiviral activity and preserve binding efficacyy docx
... Padgett, W.L., Oshunleti, O., Daly, J.W & Kirk, K.L (2000) Syntheses of (R )and (S)-2- and 6-fluoronorepinephrine and (R)- and (S)-2- and 6-fluoroepinephrine: effect of stereochemistry on fluorine-induced ... and Leu23, which are displaced ˚ 0.5 A with respect to inhibitors 1–5 2- and 3-Fluorobenzyloxy side groups The mono-substituted inhibitors and are fluoro-substituted in the ortho (2-fluoro) and ... extends the contact surface and has polarity differences This is documented by the threefold improvement in activity of inhibitors and against the triple mutant M46I, I82V and V84A compared with the...
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Tài liệu Báo cáo khoa học: Mutational analysis of plasminogen activator inhibitor-1 Interactions of a-helix F and its neighbouring structural elements regulates the activity and the rate of latency transition pdf
... behaviour and a low unstable inhibitory activity, and for I137A a biphasic loss of activity (Fig and Table 3) The phenotype of these substitutions is therefore different from that of N139A, T146A and ... with an A leads to substrate behaviour and a low, stable inhibitory activity (Fig and Table 3) This W is located in the cleft between hF and s2A (Fig 5), and the presence of an aromatic side chain ... 100 and 128 are highly conserved among serpins (F119 and F147, respectively, in a1PI) [2] and buried in the hydrophobic interface between hF and b-sheet A (Fig 5) The substrate behaviour and...
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Tài liệu Báo cáo khoa học: Changes in rat liver mitochondria with aging Lon protease-like activity and N e-carboxymethyllysine accumulation in the matrix doc
... purity ATP-stimulated protease activity in aging rats Fig Lon protease quantification and activity in liver mitochondrial matrix from 10- and 27-month-old rats Activity was determined in the absence ... exhibited a comparable pattern of bands, although two bands of 60 and 150 kDa strongly visible at 10 months (lane 1) were absent at 27 months, and an important band of 70 kDa (lane 2) emerged in ... intense signals of 70 and 50 kDa, while the bands at 60 and 150 kDa vanished With oxyblot (Fig 4C), antibodies stained carbonylated proteins mainly in band ranges of 30–60 and 70–120 kDa at 10...
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Tài liệu Báo cáo khoa học: Endotoxic activity and chemical structure of lipopolysaccharides from Chlamydia trachomatis serotypes E and L2 and Chlamydophila psittaci 6BC pdf
... Kdo, and tetrasaccharide 1-monophosphate (TS 1-MP) One-dimensional 1H- and 31P-, and two-dimensional homo- (1H,1H-DQF-COSY) and heteronuclear (1H,13C-,1H,31P-HMQC) NMR spectroscopy (Figs and 6) and ... washed, once with 10 mM HCl, once with water, and then neutralized with triethylamine and freeze dried (yield 52 mg) Quantification of Kdo, glucosamine, phosphorous and fatty acids was performed as ... C18:0, C20:0 and 3-OH-C20:0 MALDI-MS and ESI-MS analysis As a first step in the structural analysis, LPS and de-Oacylated LPS of C trachomatis serotype E was analyzed by MALDI-TOF and ESI-FT-ICR...
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Ground Water and Surface Water A Single Resource-U.S. Geological Survey Circular 1139 pot
... ground -water and surface -water interaction The hydrologic cycle and interactions of ground water and surface water Interaction of ground water and streams Interaction of ground water and lakes ... time between water and chemically reactive geologic materials CHEMICAL INTERACTIONS OF GROUND WATER AND SURFACE WATER IN STREAMS, LAKES, AND WETLANDS Ground -water chemistry and surface -water chemistry ... matter in surface water and ground water, and nearby land use F The Interface Between Ground Water and Surface Water as an Environmental Entity In the bed and banks of streams, water and solutes can...
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LAWS GOVERNING FRESHWATER AND GROUND WATER POLLUTION potx
... Industrialized and developing countries alike have strong incentives to adopt, implement and enforce laws to address freshwater and groundwater pollution Clean water from surface water (rivers and lakes), ... attorney and director of the Clean Water Project His scholarship includes The Clean Water Act: Twenty Years Later and Toward Comprehensive Watershed-based Restoration and Protection for Great Salt Lake ... Objectives and Guidelines See Gleick P.H (1998) Water Law and Policy in the New South Africa, A Move towards Equity, in Gleick, The World’s Water, The Biennial Report on Freshwater Resources 156 Island...
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Báo cáo khoa học: Relationship between functional activity and protein stability in the presence of all classes of stabilizing osmolytes ppt
... on their effects on stability and activity parameters of RNase-A Functional stability and activity by osmolytes Results and Discussion Protein stability and enzyme activity have a well-correlated ... advances in understanding the effect of osmolytes on protein stability, folding and the activity of proteins and enzymes, the relationship between protein stabilization by osmolytes and its consequent ... presence and absence of almost all naturally occurring osmolytes We report here that protein stability and activity are not largely coupled in the presence of osmolytes However, protein stability and...
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Báo cáo khoa học: Haptoglobin binds the antiatherogenic protein apolipoprotein E – impairment of apolipoprotein E stimulation of both lecithin:cholesterol acyltransferase activity and cholesterol uptake by hepatocytes pdf
... polyacrylamide gel in denaturing and reducing conditions, and by western blotting (A) Coomassie-stained bands of isolated Hpt (lane 1), standard ApoE (lane 2), standard ApoA-I (lane 3), and partially purified ... HRP-conjugated avidin and ECL Coomassiestained bands of VLDL and LDL proteins are shown in lanes and 2, respectively VLDL and LDL proteins, blotted onto the PVDF membrane and incubated with biotinylated ... anti-Hpt IgG and rabbit anti-goat HRP-conjugated IgG Two bands, reacting with the antibodies and with the molecular masses of b and a2 (41 and 21 kDa, respectively), were detected (Fig 4, lanes and 6)...
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Báo cáo khoa học: Simultaneous improvement of catalytic activity and thermal stability of tyrosine phenol-lyase by directed evolution ppt
... mutations from both the stability and activity mutants, and demonstrated a significant improvement in both stability and catalytic activity (Fig 1) As such, the activity and stability mutation combinations ... remaining activity, mutants AS1–AS7 were selected on the basis of a co-improvement in stability and activity For example, the T1 ⁄ values for AS4 and AS6 were 6.7 and 11.2 °C higher, respectively, and ... wild-type protein and two mutants, AS4 and AS7, were purified to homogeneity with purification yields of over 40%, and investigated for their stability and activity at temperatures between 40 and 80 °C...
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Water Footprint and Virtual Water Trade in Spain doc
... 5.1.1 Water Footprint: Irrigation and Water Demand 5.1.2 Economic Aspects of the Water Footprint 5.2 Livestock Water Footprint 5.2.1 Livestock Sector’s Water Footprint 5.2.2 Water ... markets and farm trade and water policies As this book will explain, water shortages and scarcity result from endogenous processes linked to policies and consumption that promote water demand which ... irrigated land in Egypt, this is a water- saving exchange in terms of the use of Nile River water and from the economic and global standpoint (Hoekstra and Chapagain 2008) The virtual -water metaphor...
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Báo cáo khoa học: Hyperthermophilic enzymes ) stability, activity and implementation strategies for high temperature applications pot
... food and drug biosynthesis applications; (g) enzyme immobilization may increase heat stability and therefore, improve biocatalyst performance; and (h) protein engineering by rational design and ... hydrophilicities and charges at given environmental conditions, such as temperature, concentration, ionic strength and pH Thus, the diverse chemical and physical properties of proteins and surfaces ... (a) 30 000 and 600-fold increases in half-life compared to free and single-point attached enzymes, respectively; (b) retention of 65% of residual activity (cf soluble) upon bonding; and (c) retention...
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