Academic literature on the topic 'Magnesium/Calcium ion'

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Journal articles on the topic "Magnesium/Calcium ion"

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Soldatov, V. S., N. V. Vonsovich, and T. A. Korshunova. "Equilibrium of ion exchange of calcium, magnesium and potassium for proton on fibrous carboxylic ion exchanger." Proceedings of the National Academy of Sciences of Belarus, Chemical Series 57, no. 2 (2021): 135–43. http://dx.doi.org/10.29235/1561-8331-2021-57-2-135-143.

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By the method of potentiometric titration of a fibrous aminocarboxylic polyampholyte with a predominant content of carboxyl groups, the equilibrium of the cation exchange of calcium, magnesium, and potassium ions for a hydrogen ion was studied. Due to the low solubility of calcium and magnesium hydroxides in these cases, titration was carried out by Ca(OH)2 and Mg(OH)2, which are formed in solution upon contact with the H-form of the ion exchanger оf increasing portions of solid CaO and MgO. This made it possible to obtain titration curves in a wide range of pH and calcium and magnesium chlori
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Meekangwal, Suthida, and Falan Srisuriyachai. "Effects of Formation Brine Compositions on Effectiveness of Low Salinity Brine Injection in Carbonate Reservoir." MATEC Web of Conferences 171 (2018): 04002. http://dx.doi.org/10.1051/matecconf/201817104002.

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Nowadays, Low Salinity Waterflooding (LSWF) is considered as one of the most effective techniques to enhance oil recovery. Essential mechanism is a Multi-Ion Exchange (MIE). In carbonate formation, collaboration of Potential Determining Ions (PDI) with rock surface and crude oil results in adjustment of surface equilibrium. These ions in injected brine are thoroughly investigated but effects from formation brine are not well documented. In this study, ratio of divalent ions including calcium and magnesium ions in formation brine is studied. Results from imbibition test shows that formation bri
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Wojtal-Frankiewicz, Adrianna, and Piotr Frankiewicz. "The Influence of the Zebra Mussel (Dreisena Polymorhpa) on Magnesium and Calcium Concentration in Water." Folia Biologica et Oecologica 6 (December 4, 2010): 81–101. http://dx.doi.org/10.2478/v10107-009-0009-y.

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In this study we examined changes in magnesium and calcium ion concentrations depending on Zebra Mussel biomass, pH values and temperature. We performed field experiments in years with different weather conditions using twelve 200 litre polycarbonate containers filled with 150 litres of non-filtered water from lowland, eutrophic reservoirs. Three treatments of the experiment were represented by: Phyto control with non-filtered water, Phyto+Dreis A with Zebra Mussel biomass of 500 g/m2, and Phyto+Dreis B with Zebra Mussel biomass of 1.000 g/m2. Magnesium and calcium ions concentrations were ana
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Peregudov, Yuriy S., Sabukhi I. Niftaliev, Anna V. Timkova, Larisa P. Bondareva, and Aleksey V. Astapov. "CHANGE IN THERMODYNAMIC CHARACTERISTICS OF HYDRATION OF CARBOXYL FIBER SORBENT IN EXCHANGE OF MAGNESIUM AND CALCIUM CATION." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no. 4 (2020): 42–48. http://dx.doi.org/10.6060/ivkkt.20206304.6122.

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The relationship between the characteristics of hydration and the selectivity of the fibrous carboxyl sorbent is established. Using the isopiestic method and thermal analysis, the hydration of the carboxyl fiber ion exchanger VION KN-1 in sodium, calcium and magnesium forms was studied. The quantity of absorbed water was determined, including the ratio of kinetically unequal water in the sorbent phase. The amount of water absorbed form of magnesium ion exchanger is greater than calcium, the molar proportion of water distribution varying in the degree of hydration of the magnesium and calcium f
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Zhang, Zhihao, Yun Jia, and Judong Zhao. "Effect of Magnesium Ion Concentration on the Scale Inhibition of Heat Exchanger in Circulating Cooling Water under Alternating Electric Field." Applied Sciences 10, no. 16 (2020): 5491. http://dx.doi.org/10.3390/app10165491.

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This work investigated the effect of magnesium ion concentration on the formation of mineral scale in circulating cooling water under alternating electric field treatment (AEFT) by using a self-made power plant circulating cooling water simulator. In this experiment, the circulating cooling water used was artificial hard water. Three experimental groups with different magnesium ion concentrations and three corresponding control groups were studied. Scale inhibition rate, fouling resistance, calcium ion concentration, crystal phase, and crystal morphology were discussed. Results showed that 4 m
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Wilson, H. D., H. P. Schedl, and K. Christensen. "Calcium uptake by brush-border membrane vesicles from the rat intestine." American Journal of Physiology-Renal Physiology 257, no. 3 (1989): F446—F453. http://dx.doi.org/10.1152/ajprenal.1989.257.3.f446.

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Uptake of calcium by brush-border membrane vesicles from rat small intestine is composed of saturable and nonsaturable components. We studied regulation of calcium uptake using the divalent cations strontium, a foreign ion that mimics calcium biologically and magnesium, a physiologically important ion that resembles calcium physically, although not biologically. Strontium present outside the vesicle inhibited saturable calcium uptake competitively, consistent with binding to the transporter at the same site as calcium. Strontium inside the vesicle accelerated saturable calcium uptake from the
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Hadiko, Gunawan, Yong Sheng Han, Masayoshi Fuji, and Minoru Takahashi. "Effect of Magnesium Ion on the Precipitation of Hollow Calcium Carbonate by Bubble Templating Method." Key Engineering Materials 317-318 (August 2006): 65–68. http://dx.doi.org/10.4028/www.scientific.net/kem.317-318.65.

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Hollow calcium carbonate (CaCO3) particles were synthesized by bubbling CO2 in the solution of calcium chloride (CaCl2) with the presence of ammonia at room temperature. In this method, CO2 bubble, besides as reactant, has an important role as a template for forming hollow particles. The precipitation was carried out by controlling the precipitation condition, such as pH, flow rate and additives. Hollow calcium carbonate particles were precipitated with the major crystal phase of vaterite. An interesting finding is that magnesium ion (Mg2+) can suppress the transformation of vaterite to calcit
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Shevchuk, V. V., T. N. Potkina, A. I. Vaitenka, and O. V. Smetanina. "Obtaining artificial carnallites from magnesium chloride brines." Proceedings of the National Academy of Sciences of Belarus, Chemical Series 56, no. 2 (2020): 229–34. http://dx.doi.org/10.29235/1561-8331-2020-56-2-229-234.

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The excess of magnesium chloride brines is formed during the polymineral ores processing in order to obtain potassium sulfate. One way to regenerate such brines is to produce artificial carnallite. It is necessary to purify these brines from sulfates for their further use as raw materials for the artificial carnallite production. In this work, the process of desulfurization of magnesium chloride brines with a solution of calcium chloride is studied. The temperature and the processing time, the magnesium chloride solutions concentration and the consumption of desulfurizing agent (calcium chlori
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Simkiss, K., and M. G. Taylor. "Calcium magnesium phosphate granules: atomistic simulations explaining cell death." Journal of Experimental Biology 190, no. 1 (1994): 131–39. http://dx.doi.org/10.1242/jeb.190.1.131.

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1. A large number of invertebrates have cells that produce intracellular granules of amorphous calcium magnesium phosphates that are thought to act as ion stores or sites of metal detoxification. 2. The interatomic potentials and force constants have been calculated for these ions, and computer simulations of the crystal lattices have been used to determine the effects of ion substitutions on these lattice energies. 3. The results provide insights into the mechanisms of granule formation and the effects of ion substitutions on cell physiology.
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Wang, Yubin, Xinyu Mao, Wei Xiao, and Wangbo Wang. "The Influence Mechanism of Magnesium Ions on the Morphology and Crystal Structure of Magnetized Anti-Scaling Products." Minerals 10, no. 11 (2020): 997. http://dx.doi.org/10.3390/min10110997.

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Magnetization technology has been widely used in various transportation pipeline anti-scaling and descaling processes due to its simple equipment, low operating cost and low secondary pollution. To resolve structural pipeline issues in concentrations, the effects of magnesium salt concentration on conductivity, pH value and calcium ion concentration of a magnetized calcium chloride sodium bicarbonate mixed solution were studied. The results indicated that 4.0% MgSO4 had the greatest anti-scaling effect under dynamic water conditions, which increased the calcium concentration of the mixed solut
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Dissertations / Theses on the topic "Magnesium/Calcium ion"

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Ma, Juan. "CO? Mineralization Using Reactive Species." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/76990.

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To address the environmental changes associated with increasing levels of atmospheric CO?, a possibility of mineralizing CO? with the species such as Ca°? and M°? ions that are already present in sea water was studied. A series of experiments conducted at temperatures in the range of 20 to 40°C showed that the activation energy for the formation of nesquehonite (MgCO?°3H?O) is 64.6 kJ/mol. It was found that the activation energy barrier can be readily overcome by simple agitation and heating at slightly elevated temperatures, e.g., 40°C. The kinetics of mineralization and the %M°? ion utilizat
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Weatherholt, Riley Madison. "Road Salt Runoff into Freshwater Wetlands: Trends in SpecificConductance and Ion Concentration." Kent State University Honors College / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ksuhonors1557152479759316.

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Grey, Catherine Vyvian. "Physiochemical Treatment Options for High-Conductivity Coal Mining Runoff." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/85011.

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In recent years, the excessive specific conductance (SC) of Appalachian coal mining runoff waters has become a parameter of concern with the EPA due to its negative effect on aquatic life and water quality. In order to comply with the EPA guidance suggesting an effluent SC of 500 µS/cm, the Appalachian Research Initiative for Environmental Science (ARIES) Center at Virginia Tech requested that testing be done to determine the most effective technologies for reduction of SC. Runoff water was collected from two sites in southwestern Virginia and characterized to determine the source of SC in the
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Yalala, Bongani Ndhlovu. "Ion exchange resins an functional fibres :a comparative study for the treatment of brine waste water." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8342_1298358875.

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<p>To improve the adsorption capacity of polyacrylonitrile (PAN) fibres, hydrophilic amidoxime fibres were prepared by subsequent conversion of the cyano groups to an amidoxime group by reacting with hydroxylamine at 80&deg<br>C at an optimum amidoximation time of 2 hrs. The amidoxime fibre was hydrolyzed/alkali treated in a solution of sodium hydroxide to enhance or improve the adsorption properties. This was followed by characterization of the amidoxime and hydrolyzed fibres using Scanning electron microscopy (SEM)<br>Fourier transform Infrared Spectroscopy (FTIR) and exchange capacity (cati
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Pursehouse, James. "Electron and photon interactions in magnesium, calcium and rubidium." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/electron-and-photon-interactions-in-magnesium-calcium-and-rubidium(cf98e2a6-ae7d-45b9-91c4-33f148a5678e).html.

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In the experiments detailed in this thesis, a series of scattering experiments were conducted in a versatile scattering chamber. In order to conduct these experiments, various electronic equipment was designed and built, including new computer controlled electron analyser power supplies. This new equipment was tested, adopted in this work, and is described in this thesis. The superelastic scattering technique was used on magnesium atoms to obtain a set of atomic collision parameters (ACPs), which describe the interaction. This was achieved by exciting a beam of magnesium atoms to the 3(1)P(1)
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Mansoori, Hamed. "Influence of Calcium and Magnesium Ions and their Carbonate Scales on CO2 Corrosion of Mild Steel." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1578414196892282.

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Kuyler, P. "A study of the relationship between absorption of calcium and magnesium ions and sap flux in excised root systems of Acacia cyclops." Thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/26448.

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Chien, Yung-Ching 1974. "The influence of ionic strength, magnesium ions and reactive surface area on calcite crystal growth morphology and surface microtopography /." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=78339.

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The influence of ionic strength (I), magnesium ions and reactive surface area, on calcite crystal growth morphology and surface microtopography were investigated by transmission electron microscopy (TEM) and atomic force microscopy (AFM). Calcite overgrowths were precipitated from aqueous NaCl-NaHCO 3-CaCl2-MgCl2 solutions on reagent grade calcite seed powders and millimeter-size cleavage fragments in a chemo-stat system at 25ºC for up to 6 days. Aliquots of the reacting solutions were sampled regularly for analysis and the suspended seeds were separated for the preparation of Pt-C repl
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Maschietto, Evandro Henrique Gonçalves. "Gesso agrícola na produção de milho e soja em solo de alta fertilidade e baixa acidez em subsuperfície em plantio direto." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2009. http://tede2.uepg.br/jspui/handle/prefix/2200.

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Made available in DSpace on 2017-07-25T19:29:44Z (GMT). No. of bitstreams: 1 Evandro H G Maschietto.pdf: 563360 bytes, checksum: 0a83cb502d668d2ed21718b29160c31d (MD5) Previous issue date: 2009-07-31<br>There are doubts about the conditions in which a favorable effect of the application of gypsum on the yield of grain crops can be expected. In order to evaluate the influence of gypsum application in the soil chemical attributes, in mineral nutrition of maize (Zea mays L.) and soybean (Glycine max L. Merrill) yield in no-till system, an experiment was carried out in an clay Oxisol with high o
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CHEN, SSU-YIN, and 陳思頴. "Evaluation of calcium sulfate bone filling material with magnesium ion on osteoblasts." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/89ud54.

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碩士<br>國立臺北科技大學<br>化學工程與生物科技系生化與生醫工程碩士班<br>107<br>Calcium sulfate is currently used as bone filling materials to repair bone defects caused by trauma or aging . Previous studies using calcium sulfate have the following advantages: 1. good biocompatibility, 2. no toxicity, 3. release of calcium ions promoting the growth of bone cells, 4. a high degradation rate without remaining in the human body, 5. high plasticity which, can be shaped according to the shape of the defect. At present, calcium sulfate can be applied in orthopedics, dentistry and plastic surgery. Therefore, there are many in diff
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Books on the topic "Magnesium/Calcium ion"

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Timet, Dubravko. Influence of sodium ions on the intensity of calcium absorption in the bovine stomach in the presence of magnesium ions =: Utjecaj natrijevih iona na intenzitet resorpcije kalcija u želucu goveda u prisutnosti magnezijevih iona. Jugoslavenska akademija znanosti i umjetnosti, 1987.

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Fuchs, Nan Kathryn, Jack Challem, and Kathryn Nan Fuchs. User's Guide to Calcium & Magnesium. Basic Health Publications, Incorporated, 2002.

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C, Tsang Reginald, ed. Calcium and magnesium metabolism in early life. CRC Press, 1995.

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Houillier, Pascal. Magnesium homeostasis. Edited by Robert Unwin. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0027.

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Magnesium is critically important in the process of energy release. Although most magnesium is stored outside the extracellular fluid compartment, the regulated concentration appears in blood. Urinary magnesium excretion can decrease rapidly to low values when magnesium entry rate into the extracellular fluid volume is low, which has several important implications: cell and bone magnesium do not play a major role in the defence of blood magnesium concentration; while a major role is played by the kidney and especially the renal tubule, which adapts to match the urinary magnesium excretion and
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Chau, Anthony T. Magnesium Toxicity. Edited by Matthew D. McEvoy and Cory M. Furse. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190226459.003.0058.

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Magnesium sulfate is currently the drug of choice for prophylaxis against eclampsia in women with preeclampsia and first-line treatment for eclampsia. In this population, medication administration error is a frequent cause of magnesium toxicity. Symptoms of toxicity are linked to increasing serum concentrations, but routine monitoring is not recommended. Instead, deep tendon reflexes and respiratory rate are the most commonly monitored parameters. However, magnesium serum concentration should be monitored when magnesium toxicity is suspected or in patients at high risk of toxicity. The gastroi
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Chakera, Aron, William G. Herrington, and Christopher A. O’Callaghan. Disorders of plasma magnesium. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0177.

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Normal serum magnesium levels are in the range of 0.7–1.0 mmol/l and, as for calcium, most of the total body magnesium is found in bone and soft tissues. Magnesium is essential for normal cell metabolism (as a cofactor for numerous enzymes) and for neuronal function, and regulates parathyroid hormone release. Alterations in serum magnesium levels are usually asymptomatic unless severe. As there are large tissue reserves of magnesium, hypomagnesaemia usually only develops with chronic gastrointestinal or renal losses, or prolonged dietary insufficiency. Hypermagnesaemia is almost always iatroge
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Esen, Figen. Disorders of magnesium in the critically ill. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0252.

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Plasma potassium levels are maintained in health between 3.5 and 5.0 mmol/L, and reflect total body potassium only in stable states at normal pH. Most true hyperkalaemia results from renal insufficiency. The goals of therapy are myocardial protection and return of plasma potassium to a safe level. Measures are commonly initiated above 5.5 mmol/L; above 6.5 mmol/L, aggressive measures should be adopted and calcium salts given if there are cardiac dysrhythmias or QRS-broadening. Glucose-insulin infusions and beta-2-agonists promote potassium shifts into cells. Diuretics and sodium bicarbonate ma
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Ellam, Rob. 10. Probing the Earth with isotopes. Oxford University Press, 2016. http://dx.doi.org/10.1093/actrade/9780198723622.003.0010.

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‘Probing the Earth with isotopes’ shows how, using isotopes, we have come to understand the structure and behaviour of the Earth. The outer few tens of kilometres are divided into continental and oceanic crust. Below the crust, the sub-surface is divided into the mantle and the core. From the base of the crust to about 2,800 km depth, the Earth is rocky and composed of minerals like olivine and pyroxene that are rich in magnesium, iron, and calcium. From about 2,800 km to about 5,100 km depth the outer core is liquid. The remaining 1,200 km or so to the centre of the Earth is solid metal.
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Nadkarni, Vinay, Robert M. Sutton, and Robert A. Berg. Resuscitation and Stabilization. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199918027.003.0001.

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The authors provide essential information on providing care during the four phases of cardiac arrest and cardiopulmonary resuscitation (CPR): (1) prearrest, (2) no flow (untreated cardiac arrest), (3) low flow (CPR), and (4) postresuscitation. They discuss the most common precipitating events for out-of-hospital and in-hospital cardiac arrests in children and the how to deliver high-quality CPR. Medications used to treat cardiac arrest are presented (specifically vasopressors, including epinephrine; antiarrhythmics, including lidocaine, amiodarone, and magnesium sulfate; calcium; and sodium bi
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Fuchs, Nan Kathryn. User's Guide to Calcium and Magnesium: Learn What You Need to Know About How These Nutrients Build Strong Bones (User's Guides (Basic Health)). Basic Health Publications, 2002.

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Book chapters on the topic "Magnesium/Calcium ion"

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Pakhale, V. D., and P. R. Gogate. "Removal of Calcium and Magnesium From Wastewater Using Ion Exchange Resins." In Novel Water Treatment and Separation Methods. Apple Academic Press, 2017. http://dx.doi.org/10.1201/9781315225395-9.

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Agus, Zalman S., Ellie Kelepouris, lain Dukes, Richard Kasama, and Martin Morad. "Magnesium as an Intracellular Modulator of Calcium, Potassium and Chloride Channels." In Intracellular Regulation of Ion Channels. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84628-1_25.

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Goodman, J. C., A. B. Valadka, S. P. Gopinath, M. Uzura, R. G. Grossman, and C. S. Robertson. "Simultaneous Measurement of Cortical Potassium, Calcium, and Magnesium Levels Measured in Head Injured Patients Using Microdialysis with Ion Chromatography." In Acta Neurochirurgica Supplements. Springer Vienna, 1999. http://dx.doi.org/10.1007/978-3-7091-6415-0_8.

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Kerstan, D., and G. A. Quamme. "Intestinal Absorption of Magnesium." In Calcium in Internal Medicine. Springer London, 2002. http://dx.doi.org/10.1007/978-1-4471-0667-8_10.

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Shah, G. M. "Renal Handling of Magnesium." In Calcium in Internal Medicine. Springer London, 2002. http://dx.doi.org/10.1007/978-1-4471-0667-8_11.

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Allgrove, Jeremy. "Physiology of Calcium, Phosphate and Magnesium." In Calcium and Bone Disorders in Children and Adolescents. KARGER, 2009. http://dx.doi.org/10.1159/000223685.

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Tucker, J. Kevin, and Denyse Thornley-Brown. "Disorders of Calcium, Phosphorus, and Magnesium." In Clinical Decisions in Nephrology, Hypertension and Kidney Transplantation. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4454-1_11.

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Addo, Jacob K. "Electrolyte Imbalance: Potassium, Magnesium, Calcium and Phosphorous." In Clinical Pathways in Emergency Medicine. Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2710-6_52.

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Hariri, Ali, David B. Mount, and Ashghar Rastegar. "Disorders of Calcium, Phosphate, and Magnesium Metabolism." In Core Concepts in the Disorders of Fluid, Electrolytes and Acid-Base Balance. Springer US, 2012. http://dx.doi.org/10.1007/978-1-4614-3770-3_4.

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Wilson, Helen, Diana Calcraft, Cai Neville, Susan Lanham-New, and Louise R. Durrant. "Bone Health, Fragility and Fractures." In Perspectives in Nursing Management and Care for Older Adults. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63892-4_9.

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AbstractAchieving and maintaining skeletal health throughout the life trajectory is essential for the prevention of bone diseases such as rickets, osteomalacia and osteoporosis. Rickets and osteomalacia are usually a result of calcium and/or vitamin D deficiency, causing softening of bones and bone pain, and both conditions are treatable with calcium and vitamin D supplementation. Osteoporosis is a multifaceted disease mainly affecting older people, and its pathogenesis (and hence treatment) is more complex. Untreated osteoporosis results in fragility fractures causing morbidity and increased mortality.Nutrition is one of many factors that influence bone mass and risk of bone disease. Developing a nutritional sciences approach is a feasible option for improving bone health.The importance of adequate calcium and vitamin D in ensuring skeletal integrity throughout the life course has a sound evidence base. Poor vitamin D status in population groups of all ages is widespread across many countries (including affluent and non-affluent areas). Public health approaches are required to correct this given the fact that vitamin D is not just required for musculoskeletal health but also for other health outcomes.Dietary protein may be beneficial for bone due to its effect of increasing insulin-like growth-factor-1 (IGF-1). Recent meta-analyses show that dietary protein has a beneficial role to play in bone health at all ages.Other nutritional factors and nutrients (such as potassium, magnesium, vitamin K and acid-base balance) are also likely to have an important role in bone health, though the literature is less clear in terms of the association/relationship and more research is required.
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Conference papers on the topic "Magnesium/Calcium ion"

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Zou, Yong, Liang Zhao, Gongming Xin, and Lin Cheng. "Effect of Metallic Ion on the Formation of Calcium Carbonate Fouling." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22312.

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Calcium carbonate (CaCO3) is the most common fouling adhering on the surface of heat exchanger. But metallic ion in natural water could affect the crystalline type of calcium carbonate. In this study, the effect of sodium ion, magnesium ion and aluminum ion on crystalline type and morphology of CaCO3 were reported. The experimental results indicate that the addition of sodium ion has no obvious role for changing the crystalline type of CaCO3, only calcite was obtained and the lattice parameter of calcite has a little variation depending on the concentration of sodium ion. However, the addition
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Marahat, Muhammad Hanif, Mohamad Abdul Aziz Zahari, Hasmaliza Mohamad, and Shah Rizal Kasim. "Effect of magnesium ion (Mg2+) substitution and calcination to the properties of biphasic calcium phosphate (BCP)." In MATERIALS CHARACTERIZATION USING X-RAYS AND RELATED TECHNIQUES. Author(s), 2019. http://dx.doi.org/10.1063/1.5089373.

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Cockbill, S. R., S. Heptinstall, and H. B. Burmester. "A PLASMA FACTOR FROM A PATIENT WITH A BLEEDING TENDENCY CAUSES PLATELET SECRETION IN THE ABSENCE OF EXTRACELLULAR CALCIUM." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643489.

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A woman with a history of bruising and bleeding but with a normal platelet count and normal clotting factors, had platelets that appeared grey when stained and viewed under the microscope. Unlike the grey-platelet syndrome, the abnormality was only evident when the blood had been collected into EDTA andnot when citrate or heparin was used as anticoagulant. When we examined the EDTA-blood further we found that large quantities of beta-thromboglobulin andserotonin (5HT) were present in the plasma with only small quantities in the platelets. Hie reverse was the case for blood collected into citra
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Nara, Matsunori. "Invention Using a Liposome of a Bio-Micromachine." In ASME 4th Integrated Nanosystems Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/nano2005-87031.

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It is thought that a minus hydrogen ion is useful to the apotosis of a mitochondria and prevention of a necrosis, or prevention of the illness resulting from the oxygen radical in a human body. So, in this research, examination about the possibility and its practical use method of production of the hydrogen ion by which it was minus electrified was performed. First, the lipid bilayer as a medicine transporter of DDS (Drug Delivery System) was produced using the supercritical fluid. Next, experimental examination was performed for the purpose of enclosing the substance for hydrogen ion generati
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Feldmann, Felix, Emad W. Al-Shalabi, and Waleed AlAmeri. "Carbonate Mineral Effect on Surface Charge Change During Low-Salinity Imbibition." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206013-ms.

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Abstract Low-salinity waterflooding is a relatively simple and cheap improved oil recovery technique in which the reservoir salinity is optimized to increase oil recovery. Multivalent ion enriched as well as diluted brines have shown promising potential to increase oil production over conventional waterflooding. While the literature generally acknowledges that low-salinity improves oil recovery, the physical mechanisms behind low-salinity effects are still controversial. Surface charge change refers to a low-salinity mechanism in which modified brine is believed to cause a re-equilibrium of th
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Ahsan, R., and I. L. Fabricius. "Sorption of Magnesium and Sulfate Ions on Calcite." In 72nd EAGE Conference and Exhibition incorporating SPE EUROPEC 2010. European Association of Geoscientists & Engineers, 2010. http://dx.doi.org/10.3997/2214-4609.201401335.

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Barrera, C., A. Arrieta, and N. Escobar. "Application of Conducting Polymer Composites With Cellulose Fibers on Water Softening." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89969.

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Hard water is unsuitable for industrial and domestic purposes given its high levels of calcium and magnesium divalents which generate scale, oxidation and are antagonistic of optimal performance of detergents and industrial equipment. Conventional methods for water softening generate by-products that need to be treated, which makes these methods economically and environmentally unsustainable and open the opportunity to develop new technology for this application. The ion exchange behavior during the charge and discharge processes (i.e. oxidation / reduction), of conducting polymers and the com
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"Implementation of Freundlich Equation Absorption of Calcium and Magnesium Ions on Saturated Salt Solution." In International Seminar of Research Month Science and Technology for People Empowerment. Galaxy Science, 2019. http://dx.doi.org/10.11594/nstp.2019.0232.

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van Essen, V. M., J. Cot Gores, L. P. J. Bleijendaal, et al. "Characterization of Salt Hydrates for Compact Seasonal Thermochemical Storage." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90289.

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This paper describes the characterization of four salt hydrates as potential thermochemical material for compact seasonal heat storage in the built environment. First, magnesium sulfate was investigated in detail using TG-DSC apparatus. The results of this study revealed that magnesium sulfate is able to store almost 10 times more energy than water of the same volume. However, the material was unable to take up water (and release heat) under practical conditions. A new theoretical study identified three salt hydrates besides magnesium sulfate as promising materials for compact seasonal heat st
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Adhikari, Udhab, Nava P. Rijal, Shalil Khanal, Devdas Pai, Jagannathan Sankar, and Narayan Bhattarai. "Magnesium and Calcium-Containing Scaffolds for Bone Tissue Regeneration." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66835.

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Bone is a living tissue that constantly remodels and adapts to the stresses imposed upon it. Bone disorders are of growing concern as the median age of our population rises. Healing and recovery from fractures requires bone cells to have a 3-dimensional (3D) structural base, or scaffold, to grow out from. In addition to providing mechanical support, the scaffold, an extracellular matrix (ECM) assembly, enables the transport of nutrients and oxygen in and removal of waste materials from cells that are growing into new tissue. In this research, a 3D scaffold was synthesized with chitosan (CS), c
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Reports on the topic "Magnesium/Calcium ion"

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Lynch, J. The stability of alkalinity, calcium, magnesium, and pH in lake water samples stored over a period of years. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/203763.

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Author, Not Given. Report on the Study of Radiation Damage in Calcium Fluoride and Magnesium Fluoride Crystals for use in Excimer Laser Applications. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/770458.

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Cram, Jana, Mary Levandowski, Kaci Fitzgibbon, and Andrew Ray. Water resources summary for the Snake River and Jackson Lake Reservoir in Grand Teton National Park and John D. Rockefeller, Jr. Memorial Parkway: Preliminary analysis of 2016 data. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2285179.

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This report summarizes discharge and water quality monitoring data for the Snake River and Jackson Lake reservoir levels in Grand Teton National Park and John D. Rockefeller, Jr. Memorial Parkway for calendar year 2016. Annual and long-term discharge summaries and an evaluation of chemical conditions relative to state and federal water quality standards are presented. These results are considered provisional, and may be subject to change. River Discharge: Hydrographs for the Snake River at Flagg Ranch, WY, and Moose, WY, exhibit a general pattern of high early summer flows and lower baseflows
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