calcium magnesium and potassium ions
The influence of NO 3 −, CH3COO−, and cl− ions and the morphology of calcium hydroxyapatite crystals
... bands of nitrate and acetate groups can be explained by adsorption of the corresponding ions on the surface of HA crystals Further annealing will lead to decomposition of the corresponding calcium ... obtained Different sizes and shapes of the crystals can be explained by different interactions of hydroxyapatite with the anions of the initial salts: adsorption of acetate anions on the HA surface, ... chloride ions for the hydroxyl groups of HA, and “inertness” of nitrate anions The thermal treatment of the samples at 500–1100°C for h led to the formation of faceted crystallites and an increase...
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Tài liệu Magnesium and ITS Alloys docx
... Metals Handbook, 10th ed., American Society for Metals, Metals Park, OH, 1990, Vol Roberts, C S., Magnesium and Its Alloys, Wiley, New York, 1960 "Selection and Application of Magnesium and Magnesium ... CORROSION AND FINISHING Magnesium is highly resistant to alkalies and to chromic and hydrofluoric acids In these environments, no protection is usually necessary On the other hand, magnesium ... Machining Magnesium, Dow Chemical Company "Nonferrous Metal Products," in Annual Book of ASTM Standards, 02.02, ASTM, 1995 Operations in Magnesium Finishing, Dow Chemical Company "Properties of Magnesium...
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Tài liệu Báo cáo khoa học: Insights into the interaction of human arginase II with substrate and manganese ions by site-directed mutagenesis and kinetic studies Alteration of substrate specificity by replacement of Asn149 with Asp docx
... S-(2-boronoethyl)-l-cysteine (BEC) His120 and His145, and the corresponding His101 and His126 in arginase I, were described among the ligands for coordination of Mn2+A and Mn2+B, respectively [9,24] However, ... arginase I and Mn2+B in arginase II Because ligands to the metal ions are strictly conserved in these enzymes, the difference would reside in the length of the ligand– metal separations In this ... experimental and computational methods, will be initiated soon in our laboratory General conclusions In addition to substantiate the participation of His120 and His145 as ligands for the manganese ions...
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Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf
... receptor-operated calcium entry Sci STKE 2000, E1 143 Bianchi K, Rimessi A, Prandini A, Szabadkai G & Rizzuto R (2004) Calcium and mitochondria: mechanisms and functions of a troubled relationship Biochim ... mechanisms and implications in human pathology IUBMB Life 52, 159–164 30 Barja G (1999) Mitochondrial oxygen radical generation and leak: sites of production in states and 3, organ specificity, and relation ... transport of cations: channels, exchangers, and permeability transition Physiol Rev 79, 1127–1155 Duchen MR (2000) Mitochondria and Ca2+ in cell physiology and pathophysiology Cell Calcium 28, 339–348...
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Báo cáo khoa học: Effects of sphingomyelin, cholesterol and zinc ions on the binding, insertion and aggregation of the amyloid Ab1)40 peptide in solid-supported lipid bilayers ppt
... important for raft membranedependent aggregation and neurotoxic action, in particular the presence of sphingomyelin, cholesterol and zinc ions Results and Discussion In order to characterize the interaction ... layer before and after binding of peptide and subsequent aggregation, and of the layer composed of peptide (or a portion of the peptide) that extends beyond the lipid surface Both p- and s-polarized ... b-sheet, and even smaller amounts of a-helix [41] We therefore assume that the peptide layer on the DOPC and SM membrane surface consists of such a mixture of oligomers and secondary conformations...
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báo cáo hóa học: " Platelet-activating factor enhancement of calcium influx and interleukin-6 expression, but not production, in human microglia" pptx
... contributions PS and HBC contributed equally to calcium imaging, RTPCR and ELISA experiments HBC also carried out isolation of microglia SC participated in the design of experiments and reviewed and ... by grants from the Heart and Stroke Foundation of British Columbia and Yukon and Alzheimer's Society of Canada (to JGM) and a doctoral research award from the Heart and Stroke Foundation of Canada ... for calcium- dependent and independentsignalling pathways J Cell Physiol 1998, 177:232-240 McGeer PL, McGeer EG: The inflammatory response system of brain: implications for therapy of Alzheimer and...
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Magnesium and its alloys Subjects of interest ppsx
... methods of productions / heat treatments of magnesium alloys and the use of various types of cast and wrought magnesium alloys • The influences of alloy composition, microstructure and heat treatment ... Chemical compositions and applications and mechanical properties of Mg-Zn-Zr and MgRE-Zn-Zr casting alloys Suranaree University of Technology Tapany Udomphol May-Aug 2007 High-temperature magnesium ... produce MgO and mix with petroleum coke and then heat to separate O from Mg • Pidgeon process (Thermal reduction method) Powdered ferrosilicon and magnesium oxide are charged in a retort and heated...
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Báo cáo y học: "The significance of glucose, insulin and potassium for immunology and oncology: a new model of immunity" ppt
... cannot acquire glucose and the sodium /potassium pump cannot restore ionic integrity With its stores of potassium reduced, the lymphocyte cannot complete its enzymatic actions and transform or proliferate ... against GK and TGK as well as a saline control We hypothesized that if a cancer patient were to be administered thyroid and insulin (to stimulate the sodium /potassium pump), glucose and potassium ... abnormalities, and the destruction and remodeling of tissues experienced by patients with chronic and uncontrolled progressive diseases" [72] We further propose that both chronic infections and many...
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báo cáo khoa học:" Salivary flow rate, pH, and concentrations of calcium, phosphate, and sIgA in Brazilian pregnant and non-pregnant women" pdf
... rate, pH, and concentrations of calcium, phosphate, and sIgA in pregnant and non-pregnant women Variable Pregnant (n = 22) Non-pregnant (n = 22) Mean Salivary flow rate (mL/min) PH Calcium (mmol/L) ... potential differences of genetics and dietary habits This cross-sectional study aimed to compare the salivary flow rates, pH, and concentrations of calcium, phosphate, and secretory immunoglobulin ... dental floss), professional counseling on oral health and hygiene, and presence of gingival bleeding Data on medical conditions and use of medications were retrieved from the subject's medical charts...
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Phương pháp tạo màng calcium alginate and calcium pectinate films
... cations such as calcium and magnesium Crosslinked pectin typically becomes water insoluble and is useful for film and encapsulation purposes This pectin can also be extracted under basic conditions ... Three calcium alginate and calcium pectinate films were analyzed by ESEM analysis The smooth surface and scuffed surface of the films were analyzed at 200X and 1500X magnifications The calcium ... analysis of calcium alginate and calcium pectinate rough film sides 37 37 The calcium alginate and calcium pectinate film surface not exposed to the scuffed metal sheet had a smooth and uniform...
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Phương pháp tạo màng calcium alginate and calcium pectinate
... Sample # Calcium alginate -1 Calcium alginate -2 Calcium alginate -3 Calcium alginate -4 Calcium alginate -5 Calcium alginate -6 Calcium alginate -7 Calcium alginate -8 Calcium alginate -9 Calcium ... reproducible and that the film was within the desired thickness range 27 Smp # Calcium alginate-1 Calcium alginate-2 Calcium alginate-3 Calcium alginate-4 Calcium alginate-5 Calcium alginate-6 Calcium ... Calcium pectinate-2 Calcium pectinate-3 Calcium pectinate-4 Calcium pectinate-5 Calcium pectinate-6 Calcium pectinate-7 Calcium pectinate-8 Calcium pectinate-9 Calcium pectinate-10 All Samples Pan...
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Interaction of environmental calcium phosphate and ph with glass ionomer restoratives
... effects of environmental calcium and phosphate on both calcium and strontium based HVGICs are pH dependent When pH was at and 5, variations in environmental calcium and phosphate levels did not ... General Conclusions, Proposed Mechanism and Future Perspectives 9.1 Results and general conclusions 9.2 Proposed mechanism of interaction between GICs and environmental calcium/ phosphate and pH 9.3 ... studies reported increased salivary concentrations of protein and inorganic ions, such as sodium, calcium, magnesium and chloride, due to lower flow rate and condensed saliva (Schwarz et al., 1999)...
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Effect of Calcium and Magnesium Addition on Arsenic Leaching from Paddy Field Soil of Bangladesh
... 100, 150 and 200 and 100 P Concentration (mg/L) 0.9 Other Conditions 0.9 Effect of P and 100 and 2.0 pH adjusted to 3.0, 5.0, 7.0, 9.0 and 11.0 pH 7.0 Leaching in anaerobic incubation and 100 ... the adsorbed amount of Ca and Mg with different additions of Ca and Mg Results indicated that Ca and Mg adsorption increased with the increase in Ca and Mg addition and the amount adsorbed increased ... < 11.5 and might form at pH 12 and 12.5 Leachate pH obtained ranged between 7.0 and 8.0 which might not support the first hypothesis On the other hand, adsorption of Ca and Mg from GW and subsequent...
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Báo cáo khoa học: "Distribution and variations of potassium and calcium in different cross sections of Picea abies Karst needles and Fagus sylvatica (L) leaves exposed to ozone and mild water stress" docx
... significant effect on calcium and potassium levels in both species Drought stress significantly affected phosphorus, manganese, calcium and potassium in both spruce clones and calcium and potassium in ... of drought and ozone had a significant effect on calcium levels in the Istebna clone and potassium levels in Gerardmer and beech As the a ozone dose increased, there was Ozone effects Calcium increases ... inhibitor (Heath and Castillo, 1988) This potassium and calcium increase could also result from a perturbation of the mineral nutrition at root level Barnes and Pfirrmann (1992) and Lucas et al...
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Báo cáo khoa học: "Plasma Calcium, Inorganic Phosphate and Magnesium During Hypocalcaemia Induced by a Standardized EDTA Infusion in Cows" docx
... scand vol 42 no 2, 2001 as well as the response of plasma total calcium, inorganic phosphate and magnesium in cows Materials and methods Animals Six dry and non-lactating cows (3 Holstein and ... contractions became muffled and the chewing activity disapActa vet scand vol 42 no 2, 2001 peared The ears, tail and the caudal part of the limbs became cold probably due to circulatory collapse and ... 10 day of anion salt supplementation Figs 2a, 2b and 2c concentration trends for total calcium, inorganic phosphate and magnesium during a standardized intravenous EDTA infusion following a 10...
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Chuyển hóa Calcium and Phosphorus trên bệnh nhân suy thận
... nhận hiệu cinacalcet theo hướng nhìn Calcium, Phosphorus, Parathyroid Hormone, and Cardiovascular Disease in Hemodialysis Patients: The USRDS Waves 1,3, and Study Cơ sở • Gần đây, Ca, Phos, PTH ... huyết tương Cơ sở • Ganesh et al JASN 2001 • Dữ liệu từ CMAS and Dialysis M&M Waves 1, 3, and • Bn có P > 6.5, tích số Ca x P, and PTH > 495 có tử vong cao – Dựa nhiều nguyên nhân gây tử vong ... kết phosphate chứa Calcium, Sterol củ Vitamine D giảm liều cinacalcet Kết luận (phần 2) Cinacalcer HCl dung nạp tốt Trong thực hành, cinacalcet HCl giúp nhiều bn đạt iPTH, Calcium phosphor...
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Báo cáo y học: "Potassium Deposition During And After Hypokinesia In Potassium Supplemented And Unsupplemented Rats"
... pre-HK values of urine and fecal excretion These potassium values were then subtracted from K+ in the 24 h urine and fecal collections during HK and post-HK and after potassium consumption The ... Pre-hypokinetic potassium values with and without potassium supplementation Potassium absorption, PA levels, and K+ levels in muscle, bone, plasma, feces and urine were not different between hypokinetic and ... Post-hypokinetic potassium values with and without potassium supplementation Potassium absorption, muscle and bone K+ content, PA level, plasma, urine and fecal K+ levels did not change in UVCR and SVCR...
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Investigation on K2Ti4O9 Whisker Absorbent and Applications in Heavy Metal Ions Removal
... and Applications of Potassium Titanate Whisker, Journal of Salt Lake Research, Vol.12 , No.4, 58-59 [2]Qinghao Meng, Xiaofeng Li and Zhiqiang Du, etc (2002)Synthesis and Characterization of Potassium ... composed of titanium oxide and potassium oxide It is fabricated by mixing titanium oxides and potassium oxides in a certain ratio, with a suitable calcination flux, and calcining at 900 – 1100°C ... crystal [5] So that the metal ions could rather easily penetrate into the crystal layer and substitute K+ ions to form stable metallic /potassium tetratitanates The metal ions would then be removed...
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