solubility of metal complexes in supercritical co2
Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities
... number of samples taken in Korea In the case of Tokyo and in the Philippines, urban runoff from roads on rainy days contributes to the increase in metal concentration in the sediments of receiving ... collected around all inner districts in Hanoi city, Vietnam during dry weather days in 2005 in order to compare them to the metal content in the Philippines The road surface of sampling sites was asphalt ... runoff, contained high concentrations of lead and zinc Table summarizes the results of all the target metals in this study Concentration of metals like copper and nickel other than lead and zinc...
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Spatial Variation of Metal Concentrations in Watercourses of an Urban River Basin in Southeastern Brazil
... plotted in the basin map according to incremental areas of influence of the monitoring stations Delineation of the areas of influence of monitoring stations Delineation of the area of influence of ... bearing metals, pigments, and chemicals (WHO, 1989b) In general, industrial effluents are the main source of Cd in water Cadmium is not mined, but it is a byproduct of the smelting of other metals ... region of the basin is composed of carbonate rocks, with several limestone mining and cement companies (CPRM, 1998) Anthropogenic inputs of zinc include manufacturing processes (production of iron,...
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Báo cáo khoa học: Analysis of Lsm1p and Lsm8p domains in the cellular localization of Lsm complexes in budding yeast ppt
... analysis of Lsm1p showing the importance of residues proposed to be involved in RNA binding and complex formation, and of the C-terminal region for the func- Lsm1 and -8 domains involved in localization ... ⁄ or C-terminal domains, exchanged the central Sm domains or, in the case of Lsm8p, made point mutations in putative RNA-binding residues We investigated the cellular localization of GFPtagged ... the C-terminal domain deleted is consistent with this (Figs and 5) Hybrid proteins carrying the N-terminus of one protein and the Sm domain of the other localize according to the N-terminal contribution:...
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Transcriptional regulation of protein complexes in yeast potx
... complexes in yeast: mining large scale protein-protein interaction screens Bioinformatics 2003, 19:1901-1908 Manke T, Bringas R, Vingron M: Correlating protein-DNA and protein-protein interaction ... Detailed2view of the main clusters in the network linking annotated protein complexes and high-throughput regulons Detailed view of the main clusters in the network linking annotated protein complexes and ... Detailed1view of the main clusters in the network linking annotated protein complexes and regulons Detailed view of the main clusters in the network linking annotated protein complexes and regulons...
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DESIGN, SYNTHESIS AND PROPERTIES OF METAL COMPLEXES AND COORDINATION POLYMERS FOR 2+2 PHOTO CYCLOADDITION REACTIONS
... 11] After combination of all these studies and observations, Desiraju defined crystal engineering in 1989 as “the understanding of intermolecular interactions in the context of designing new solids ... (which is either metal atom or metal cluster) results in the formation of infinite arrays with highly periodic repeating units.[14] Depending on the continuity of coordinated chains in the space, ... was one of the first who realized alignment of olefin was mainly dependent on the non-covalent interactions of carboxylates and other interactions in the alignment of olefin groups of cinnamic...
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Thermodynamics of cholesterol compounds in supercritical carbon dioxide experimental and modeling studies
... diffraction xvi List of Figures LIST OF FIGURES Figure 2.1 Graph showing the supercritical region of CO2 10 Figure 2.2 Variation in density of CO2 in the vicinity of its critical point 12 Figure 2.3 ... 5.8 Solubility of cholesterol in supercritical CO2 as a function of pressure 84 Figure 5.9 Solubility of cholesteryl acetate in supercritical CO2 as a function of pressure 85 Figure 5.10 Solubility ... Correlation of aspirin solubility in SCF CO2 with methanol 172 as a cosolvent Figure 8.2 Correlation of aspirin solubility in SCF CO2 with ethanol as 173 a cosolvent Figure 8.3 Correlation of aspirin solubility...
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Inactivation of microorganisms in untreated water by a continuous flow system with supercritical CO2 bubbling
... bacteria in untreated water and to propose the SC -CO2 treatment as a novel method for inactivating microorganisms in drinking water In addition, we aim to investigate the effect of the SC -CO2 treatment ... a drop of internal pH of the microorganisms during the pressurized CO2 treatment The dissociation of dissolved CO2, present in large amounts in the cells, would lower the internal pH of the bacteria ... bacteria in drinking water Food Sci Technol Res., 13(1), 20-22 Kobayashi, F., Hayata, Y., Muto, N and Osajima Y (2007b) Effect of the pore size of microfilters in supercritical CO2 bubbling on...
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Metal Complexes of 4′-Substituted-2,2′:6′,2″-Terpyridines in Supramolecular Chemistry
... of appropriate molecular components containing metal- binding domains."20 The principle of the formation of metallosupramolecules depends mainly on (1) the number and orientation of the coordination ... importance of designing ligands with correct number and orientation of the coordination sites (molecular components containing metal- binding domains) and of choosing metal ions with the correct coordination ... sites of ligands [molecular components containing metal- binding domains] and (2) the coordination number and geometry of the metal ions A variety of metallosupramolecular architectures21,22, including...
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The effects of clay a m e n d m e n t and composting on metal speciation in digested sludge liang qiao
... days of composting was less than 2.3% of its total content indicating the low leachable metal content in sludge compost Garcia et al (1990) extracted less metals by CaCl2 during the composting of ... soil systems In Proceedings of 8th International Conference of Heavy Metals in the Environment, Vol 1, pp 99-102 Garcia C., HernfindezT and Costa F (1990) The influence of composting and maturation ... gave the following order of stability of humic complexes: Cu >> Zn > Mn in the research of the metal speciation in urban sludge Duquet and V~dy (1991) concluded that in the case of Cu, the organic...
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Tài liệu Báo cáo khoa học: Coordination chemistry of iron(III)±porphyrin±antibody complexes In¯uence on the peroxidase activity of the axial coordination of an imidazole on the iron atom ppt
... porphyrin moiety was inserted in the antibody pocket, three of the ortho-carboxylate substituents of the mesophenyl rings being bound to side chains of amino acids such as arginine [36] In this ... three pyrrole rings packed tightly against residues of the VH domain and two pyrrole rings packed against tyrosine residues of the VL domain Binding of imidazoles to the iron(III) of Fe(ToCPP) ... The binding of the ®rst CN± ligand to the iron was thus more easy in the hydrophobic binding pocket of the antibody than the binding of the second one, most probably because of the steric hindrance...
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Báo cáo Y học: Co-existence of two regulatory NADP-glyceraldehyde 3-P dehydrogenase complexes in higher plant chloroplasts ppt
... suspending medium Plant Physiol 67, 470–473 15 Bradford, M.M (1976) A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding ... finding of a ratio of : of the total GAPDH activity in both complexes From our experience, even very dim light during chloroplast isolation or preparation of extract leads to a significant level of ... PRK-containing complex, having in mind the postulated existence of a mixed GAPDH–PRK complex containing CP12 as described previously [33] Therefore it was necessary to separate the A8B8 form of GAPDH...
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A meta analysis and risk assessment of heavy metal uptake in common garden vegestable
... electroplating, smelting, and ore processing (ATSDR 1994) Mine tailings and drainage from mines can contain high concentrations of zinc (Cobb et al 2000) The fate and transport of zinc (Zn+2) in the ... of paint chips or the inhalation of aerosolized lead from decaying paint In 1991, the amount of Pb was greatly reduced in gasoline (Anonymous2001a) Most of the environmental lead contamination ... from incinerators Zinc is used as a constituent in several alloys, including brass, bronze, die-cast metals, and is combined with copper for the production of US pennies Zinc is also used in electroplating,...
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Effect of sludge processing mode, soil texture and soil ph on metal mobility in undisturbed soil columns
... were obtained by pelletizing and drying several hundred kilograms of sludge in a pilot-scale mill at Clarkson University (Potsdam, NY) Incinerated sludge ash (ASH) was produced by incinerating over ... results with those from in situ passive wick lysimeters installed in the original ®eld plots; and (2) observe the eects of altering soil pH on residual metals present in the soil In all cases, undisturbed ... loadings in Cycles and resulted in sharp decreases in percolate pH for Soil pH (Fig 4) was determined on samples taken initially (prior to any adjustment in soil pH) and at the end of each cropping...
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Estimation method for contribution of emission to trace metal concentrations in urban atmosphere based o
... those of the study site in A City and dust from refuse incineration, implying that almost of the total amount of Cd in the atmosphere originates from refuse incineration as in the case of Pb ... lead isotope ratios in the atmosphere remain almost constant, presumably because of the mixing and uniformatization of a large amount of waste containing lead in refuse incineration plants ● Annual ... Atmosphere in Cities (n = 18, from Dust from Refuse Incineration 80 f2 Contribution of Trace Metals f1 f2 Fig Schematic Drawing of Estimation Method for Contribution of Emission Sources to Trace Metal...
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Heavy metal contamination in soils of urban highways (comparision between runoff and soil concentration
... URBAN HIGHWAYS TABLE VI Amount of metals in the runoff compared with soil Pb Amount of metal in the runoff Excess amount of metal in the soil Amount of metal coming from vehicle exhaust (kg) (kg) ... Because of low amounts of swelling clay in the soil, in this particular case, clay mineralogy is not important in the binding of the heavy metals, whereas the positive correlation of metals with ... highway has been in use This value includes only the amount of contamination coming from abrasion of brakes, tires of vehicles, etc In calculation 311 HEAVY METAL CONTAMINATION IN SOILS OF URBAN HIGHWAYS...
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Báo cáo khoa học: Metal exchange in metallothioneins – a novel structurally significant Cd5 species in the alpha domain of human metallothionein 1a ppt
... shown in Fig 1A This sequence encompasses the metal- binding cysteines between Cys33 and Cys60 of the a domain of native human metallothionein 1a but also includes amino acids not found in the ... Cadmium binding to metallothioneins Domain specificity in reactions of a and b fragments, apometallothionein, and zinc metallothionein with Cd2+ J Biol Chem 262, 4538–4548 19 Stillman MJ (1995) Metallothioneins ... four divalent metal ions that is observed until all of the Zn2+ ions have been replaced can be explained in terms of the relative binding constants of the two metals The incoming metal by necessity...
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Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial systems
... .113 Introduction 113 Persistence of Metals in Soil .114 6.3.1 Residence Time of Metals in Soil 114 6.3.2 Critical Loads of Metals 114 6.3.3 Aging of Metals in ... steady-state metal concentrations in soil, the principal ones being: Fin — input flux of (reactive) metal from external sources Fweath — weathering input Fage — removal by aging processes in mineral ... reducing uncertainty and increasing comparability when possible Dietary uptake can be a major source of metal body burden for some metals However, the bioreactivity of inorganic metals within aquatic...
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Báo cáo khóa học: Characterization of presenilin complexes from mouse and human brain using Blue Native gel electrophoresis reveals high expression in embryonic brain and minimal change in complex mobility with pathogenic presenilin mutations pptx
... processes involved in the production of Ab Analysis of these complexes requires detergent solubilization in conditions that not disrupt protein interactions This can lead to loss of weakly interacting ... analysis of complex from carbonatewashed membranes of SY5Y and 5-day-old mouse brain were examined using 10% Tris/tricine gels with reducing Ó FEBS 2003 Analysis of mouse and human brain presenilin ... detected in a 360 kDa complex with nicastrin in embryonic mouse brain and SY5Y cells Preliminary investigation of optimal conditions for PS1 complex analysis from mouse brain by BN/PAGE indicated...
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Báo cáo khoa học: Structure and topology of the transmembrane domain 4 of the divalent metal transporter in membrane-mimetic environments docx
... group of SDS molecules Whether the C-terminus has a regulative role in metal transport remains to be investigated further It is of interest to investigate whether the peptide is inserted into ... were collected using 2048 data points in F2, 256–512 increments in F1 All 2D Spectra were acquired in the phase sensitive mode using States-timeproportional phase incrementation in F1 dimension ... total of 79 dihedral angle constraints for 50 angles in SDS vs 85 constraints for 55 angles in TFE, derived using the macro GRIDSEARCH as implemented in CYANA [31], were also included in the...
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