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Journal articles on the topic 'Phosphorus and magnesium'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Urunova, Khurshida, Durdona Azimova, Farhod Umirov, Najimuddin Usanbayev, Jamshid Kholmurodov, and Uktam Temirov. "Study on Production of Sorbent Reagents Based on Dolomite and Phosphoric Acid." E3S Web of Conferences 563 (2024): 02037. http://dx.doi.org/10.1051/e3sconf/202456302037.

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In this article, we conducted research on the production of calcium and magnesium phosphates based on dolomite and phosphoric acid. The purpose of adding different concentrations of phosphoric acid to dolomite is to determine the optimal concentration. Then samples were taken by adding phosphoric acid of the appropriate concentration to the dolomite in various mass ratios. The total and soluble forms of calcium oxide, magnesium oxide, phosphorus pentoxide contained in the obtained samples, as well as the levels of decarbonization, were studied. Research results have shown that the total forms

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2

Butler, Elizabeth C., Yifan Ding, and David A. Sabatini. "Phosphate Uptake by Precipitation in Model Animal Wastewaters: Adjusting Ionic Strength and Ionic Composition to Maximize Phosphorus Removal." Water 14, no. 14 (2022): 2229. http://dx.doi.org/10.3390/w14142229.

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While phosphorus is a limited resource that is essential for agriculture, its release to the environment adversely impacts water quality. At the same time, animal wastewaters contain significant quantities of phosphorus and nitrogen that can be recovered for beneficial use. Phosphorus uptake experiments were performed with magnesium-treated corn-cob char and with magnesium silicate prepared using silicate from rice straw at pH 8 and 9. The concentration of dissolved phosphorus as a function of total added ammonium chloride (NH4Cl) was determined, and chemical equilibrium modeling was used to i

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3

Weisinger, José R., and Ezequiel Bellorín-Font. "Magnesium and phosphorus." Lancet 352, no. 9125 (1998): 391–96. http://dx.doi.org/10.1016/s0140-6736(97)10535-9.

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4

Schuck, P., G. Gammelin, and KL Resch. "Magnesium and phosphorus." Lancet 352, no. 9138 (1998): 1474–75. http://dx.doi.org/10.1016/s0140-6736(05)61303-7.

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5

Davenport, Andrew. "Magnesium and phosphorus." Lancet 352, no. 9138 (1998): 1475. http://dx.doi.org/10.1016/s0140-6736(05)61304-9.

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6

Terryn, W., and D. Van Caesbroeck. "Magnesium and phosphorus." Lancet 352, no. 9138 (1998): 1475. http://dx.doi.org/10.1016/s0140-6736(05)61305-0.

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7

Weisinger, JR, and E. Bellorín-Font. "Magnesium and phosphorus." Lancet 352, no. 9138 (1998): 1475–76. http://dx.doi.org/10.1016/s0140-6736(05)61306-2.

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8

Gietema, JA, MT Meinardi, WTA van der Graaf, DRA Uges, and D. Th Sleijfer. "Magnesium and phosphorus." Lancet 352, no. 9138 (1998): 1476. http://dx.doi.org/10.1016/s0140-6736(05)61307-4.

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9

Kavin, Kumar, Maheshwari Sanjiv, Yadav Yadram, Devgan Yash, Sankol Anil, and Gupta Gaurav. "To Assess the Correlation of Serum Phosphorus Level in Diabetic Ketoacidosis in Type-2 Diabetes Mellitus." International Journal of Pharmaceutical and Clinical Research 15, no. 11 (2023): 1029–31. https://doi.org/10.5281/zenodo.11224355.

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Background: In DKA patients, phosphate and magnesium level are decreased and further reduction may occur during insulin treatment. But, usually, these electrolytes are not given, when the patient takes oral diet. If the phosphate level is low, and the patient is not taking oral diet, potassium phosphate can be given. If magnesium level found low level in DKA patient, who developed cardiac arrhythmias, magnesium sulfate can be given. Otherwise, routine supplementation is not needed. Methods: Phosphorus levels was estimated on 1 day, 3 day and discharge/worsening of patient. It was correlated to

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10

van den Broek, F. A. R., and A. C. Beynen. "The influence of dietary phosphorus and magnesium concentrations on the calcium content of heart and kidneys of DBA/2 and NMRI mice." Laboratory Animals 32, no. 4 (1998): 483–91. http://dx.doi.org/10.1258/002367798780599758.

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Dystrophic cardiac calcification (DCC) is often found in DBA/2 mice, reportedly in association with low plasma magnesium levels in this mouse strain. It was hypothesized that high-phosphorus diets and low-magnesium diets that are known to lower plasma magnesium concentrations would promote the development of DCC. DBA/2 mice were fed diets with either low-magnesium (0.02%, w/w) or high-phosphorus (0.8%) concentrations or a combination of the two variables. NMRI mice were given either a low-(0.2%) or high-(0.6%) phosphorus diet. Female, but not male, NMRI mice accumulated calcium in the heart wh

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11

Mao, Yilin, Rongwei Xiong, Xiufang Gao, Li Jiang, Yancong Peng, and Yan Xue. "Analysis of the Status and Improvement of Microalgal Phosphorus Removal from Municipal Wastewater." Processes 9, no. 9 (2021): 1486. http://dx.doi.org/10.3390/pr9091486.

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Phosphorus, as one of the main pollutants in municipal sewage, has received increasing attention recently. Phosphorus recovery also increases the sustainable development of municipal wastewater. Since algae have the ability to effectively redirect nutrients, including phosphorus, from municipal sewage to algae biomass, municipal sewage treatments involving microalgae have piqued the interest of many researchers. The phosphorus removal depends on the potential of the microalgae to absorb, preserve, or degrade phosphorus in municipal wastewater. It is, therefore, of great interest to study the m

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12

Rasha Zuhair Jasim. "The Role of Collagen I, Magnesium and Phosphorus in Iraqi Meningioma Patients." Iraqi Journal of Pharmaceutical Sciences( P-ISSN 1683 - 3597 E-ISSN 2521 - 3512) 33, no. 1 (2024): 123–28. http://dx.doi.org/10.31351/vol33iss1pp123-128.

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Meningiomas are the most common primary intracellular slow growing benign tumor that are mostly arisen from meningeothelial (arachnoid) cells which surround the brain and the spinal cord. The aim of the present study is to innovate a biochemical relationship between collagen I and meningiomas in Iraqi patients and also to examine the biochemical role of magnesium and phosphorus regarding this complex nervous disease. Thirty (30) diagnosed meningioma patients were participated in the present study and were classified into two (2) groups : G3 composed of (15) newly diagnosed meningioma males and

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13

Manpreet, Kaur, Kaur Maninder, Kaur Jaspinder, Seema, Chopra Sunny, and Kaur Supreet. "To Evaluate the Levels of Serum Calcium, Magnesium and Phosphorus in Hypothyroid Patients." International Journal of Pharmaceutical and Clinical Research 16, no. 8 (2024): 53–57. https://doi.org/10.5281/zenodo.13380841.

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<strong>Background: </strong>Hypothyroidism is one of the most prevalent forms of thyroid dysfunction in which the disease causes generalized slowing of metabolic processes. Thyroid dysfunction frequently disturbs mineral metabolism. The aim of the present study was to evaluate the levels of serum calcium, magnesium and phosphorus in patients with hypothyroidism. <strong>Materials and Methods:</strong> We conducted the present study on 100 lab-diagnosed cases of hypothyroidism based on the thyroid profile. 50 healthy controls were included in the study. We estimated serum calciu

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14

Watson, Conor, Joachim Clemens, and Florian Wichern. "Hazenite: a new secondary phosphorus, potassium and magnesium fertiliser." Plant, Soil and Environment 66, No. 1 (2020): 1–6. http://dx.doi.org/10.17221/492/2019-pse.

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Secondary fertilisers are becoming an important alternative to conventional mined fertilisers. For the first time, the struvite "relative" hazenite (KNaMg<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>∙14 H<sub>2</sub>O) has been artificially synthesised. A pot trial assessed whether hazenite-fertilised ryegrass had comparable potassium (K), magnesium (Mg), or phosphorus (P) uptake and shoot yields with treatments receiving conventional K (muriate of potash), Mg (kieserite) or P (triple superphosphate, TSP) fertilisers. Ryegrass shoot biomass production

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15

CRONER, R., P. O. SCHWILLE, R. G. ERBEN, et al. "Effects of partial and total colectomy on mineral and acid–base homoeostasis in the rat: magnesium deficiency, hyperphosphaturia and osteopathy, in the presence of high serum 1,25-dihydroxyvitamin D but normal parathyroid hormone." Clinical Science 98, no. 6 (2000): 649–59. http://dx.doi.org/10.1042/cs0980649.

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The effects of colectomy on acid–base status, extra-osseous and bone minerals, calciotropic hormones and bone morphology have not yet been studied. To rectify this, groups of normally fed male rats were subjected to distal (n = 11), proximal (n = 12) or total (n = 12) colectomy. Sham-operated rats (n = 12) served as controls. At 112 (±2) days after colectomy the following changes were noted: (1) weight gain was delayed; (2) faecal excretion of calcium and phosphorus was normal, whereas that of magnesium was increased; (3) intestinal calcium secretion and absorption of calcium and phosphorus we

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16

Mataram, I. Komang Agusjaya, and Ni Putu Agustini. "Formula “KE-KAME-TU” high calcium, phosphore and magnesium as basic ingredients for under five years supplementary feeding." International journal of health sciences 6, no. 3 (2022): 1596–606. http://dx.doi.org/10.53730/ijhs.v6n3.13539.

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The "ke-kame-tu" formula is a formula with high calcium, phosphorus and magnesium content using a mixture of ingredients such as moringa flour, cowpea flour and tuna flour. The specific objectives of the research are 1) Creating the “ke-kame-tu” formula high in calcium, phosphorus, and magnesium, 2) Analyzing the nutritional content (calcium, phosphorus, and magnesium) of the “ke-kame-tu” formula, 3) Analyzing the substance content nutrition (calcium, phosphorus and magnesium) of supplementary feeding (PMT) products, and 4) Testing the acceptability of supplementary feeding (PMT) products by p

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17

Ding, Yifan, David A. Sabatini, and Elizabeth C. Butler. "Phosphorus recovery and recycling from model animal wastewaters using materials prepared from rice straw and corn cobs." Water Science and Technology 83, no. 8 (2021): 1893–906. http://dx.doi.org/10.2166/wst.2021.094.

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Abstract Anthropogenic loss of phosphorus to surface waters not only causes environmental problems but depletes valuable phosphorus reserves. In this study, magnesium amended biochars and magnesium silicate, synthesized from corn cobs and rice straw, respectively, were evaluated for phosphorus uptake including the effects of pH and alkalinity. The overall goal was to close the phosphorus loop by recovering phosphorus from animal waste and reusing it as fertilizer. After phosphorus uptake, spent materials were tested for phosphorus release using modified soil tests representing different soil p

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18

Zheng, Xirui, Weihong Zhao, Honglei Zhang, et al. "Nutrient absorption and storage roles of hepatopancreas, gills, and muscles during moulting in Macrobrachium nipponense (Decapoda, Caridea, Palaemonidae): insights into phosphorus, calcium, and magnesium dynamics." Crustaceana 97, no. 10-11 (2024): 1323–36. http://dx.doi.org/10.1163/15685403-bja10391.

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Abstract Phosphorus, calcium, and magnesium are pivotal elements in the exoskeleton of crustaceans, playing a crucial role in the moulting stages. As crustaceans cannot synthesize these nutrients, their acquisition relies on external sources, with tissues such as the hepatopancreas and gills actively participating in this process. Studying changes in phosphorus, calcium, and magnesium concentrations in these tissues is essential for a comprehensive understanding of their role in nutrient absorption during the moulting stages. The hepatopancreas, gills, muscles, and carapace of Macrobrachium ni

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19

Kim, B. U., W. H. Lee, H. J. Lee, and J. M. Rim. "Ammonium nitrogen removal from slurry-type swine wastewater by pretreatment using struvite crystallization for nitrogen control of anaerobic digestion." Water Science and Technology 49, no. 5-6 (2004): 215–22. http://dx.doi.org/10.2166/wst.2004.0756.

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Precipitation of ammonium together with phosphate and magnesium is a possible alternative for lowering the nitrogen content of wastewater. In this study we examine the removal of ammonium nitrogen and phosphorus from slurry-type swine wastewater containing high concentrations of nutrients by the addition of phosphoric acid along with either calcium oxide or magnesium oxide, which leads to the crystallization of insoluble salts such as hydroxyapatite and struvite. The struvite crystallization method showed a high capacity for the removal of nitrogen when magnesium oxide and phosphoric acid were

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20

Sousa, Alexandre de Andrade, José Maria Porcaro Salles, João Marcos Arantes Soares, Gustavo Meyer de Moraes, Jomar Rezende Carvalho, and Paulo Roberto Savassi-Rocha. "Evolution of blood magnesium and phosphorus ion levels following thyroidectomy and correlation with total calcium values." Sao Paulo Medical Journal 128, no. 5 (2010): 268–71. http://dx.doi.org/10.1590/s1516-31802010000500005.

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CONTEXT AND OBJECTIVE: Magnesium ion concentration is directly related and phosphorus ion concentration is inversely related to calcemia. The aim of this study was to evaluate the evolution of magnesium and phosphorus ion levels in patients undergoing thyroidectomy and correlate these with changes to calcium concentration. DESIGN AND SETTING: Prospective study at the Alpha Institute of Gastroenterology, Hospital das Clínicas, Universidade Federal de Minas Gerais. METHODS: The study included 333 patients, of both genders and mean age 45 ± 15 years, who underwent thyroidectomy between 2000 and 2

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21

Thorat, Sandesh, Isha Agarwal, Pradnya Phalak, and Mona Tilak. "Study of minerals levels in hypothyroidism." International Journal of Clinical Biochemistry and Research 8, no. 2 (2021): 100–103. http://dx.doi.org/10.18231/j.ijcbr.2021.022.

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Recently, the disorders of thyroid function particularly hypothyroidism is receiving greater attention as an important cause of disturbance in mineral metabolism by their direct action on bone turnover. Calcium, phosphorus, and magnesium are necessary for various crucial metabolic pathways directly or indirectly regulated by thyroid hormones.Studies on hypothyroid subjects have shown contradictive findings Hence, this study was undertaken to evaluate alteration in mineral status by estimating serum calcium, phosphorus, and magnesium in patients having hypothyroidism and to observe the importan

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Fattah, Kazi Parvez, Sarah Sinno, Serter Atabay, et al. "Impact of Magnesium Sources for Phosphate Recovery and/or Removal from Waste." Energies 15, no. 13 (2022): 4585. http://dx.doi.org/10.3390/en15134585.

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As the population continues to rise, the demand for resources and environmentally friendly management of produced wastes has shown a significant increase in concern. To decrease the impact of these wastes on the environment, it is important to utilize the wastes in producing and/or recovering usable products to provide for the sustainable management of resources. One non-renewable and rapidly diminishing resource is phosphorus, which is used in several products, the most important being its use in manufacturing chemical fertilizer. With the increase in demand but reduction in availability of n

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23

Abhivyakti, Pathak, Kumar Verma Manish, Verma Rajat, and Pal Singh Shishu. "Phosphorus Deficiency Phosphorous Deficiency in Animals." International Journal of Trend in Scientific Research and Development 2, no. 3 (2018): 2746–48. https://doi.org/10.31142/ijtsrd12722.

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Phosphorus deficiency is a condition, in which Phosphorus is insufficient or is not utilized properly. Phosphorus is a mineral that is vitally important to the normal metabolism of numerous compounds and in solution an acid that, with sulphur, must be neutralized by the base forming ions of sodium, potassium, calcium, and magnesium. About 70 of retained Phosphorus combines with calcium in bone and tooth structure. Phosphorus is the principal element in the structure of the nucleus and cytoplasm of all tissue cells. It is also a universally distributed component of skeletal, nerve, and muscle t

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24

M, Rasheed Khan, Thivyah Prabha A.G, and Siva Kumar K. "Study of Calcium, Magnesium and Phosphorus Levels among Hypothyroid Patients in Trichy, Tamil Nadu." Journal of Evidence Based Medicine and Healthcare 8, no. 30 (2021): 2797–803. http://dx.doi.org/10.18410/jebmh/2021/513.

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BACKGROUND Mineral metabolism is frequently disturbed in thyroid dysfunctions. Among thyroid dysfunctions, hypothyroidism is one of the most common form resulting from the deficiency of thyroid hormones. Studies done on serum calcium, phosphorus and magnesium in hypothyroid patients earlier have conflicting results. Hence the present study has been undertaken to study the levels of serum calcium, phosphorus, and magnesium among hypothyroid patients and analyse their correlation with thyroid stimulating hormone (TSH). METHODS The case control study was conducted in the Department of Biochemistr

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25

Kirpichnikov, N. A., S. P. Bizhan, and V. V. Tribelgorn. "Effect of Phosphorus and Magnesium Fertilizers on Mineral Nutrition and Yield of Winter Wheat depending on Liming of Sod-Podzolic Soil." Агрохимия, no. 6 (August 15, 2024): 29–33. http://dx.doi.org/10.31857/s0002188124060046.

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In long-term field experience on strongly acidic, poorly cultivated sod-podzolic soil, high efficiency of phosphorus fertilizers combined with magnesium and liming in the cultivation of winter wheat of the Moskovskaya 56 variety was revealed. Under these conditions, the content of nitrogen, phosphorus and magnesium in plants in the flowering phase increased. Improving the mineral nutrition of plants in this case provided the highest yield (75.3 c/ha), exceeding the background level of nitrogen-potassium fertilizers by 2.7 times, the payback of mineral fertilizers (NPK) increased by 2.5 times,

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"Study Of Calcium Magnesium And Phosphorus In Hypothyroidism - A Case Control Study." IOSR Journal of Dental and Medical Sciences 23, no. 11 (2024): 01–04. http://dx.doi.org/10.9790/0853-2311050104.

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Background: Thyroid disorders are the most common endocrine abnormality in the world secondary to diabetes mellitus. Thyroid hormones are essential for growth, neuronal development, reproduction and regulation of energy metabolism. It influences the metabolism of all substrates including minerals. Many studies have shown that mineral metabolism is frequently disturbed in thyroid disorders. Materials and Methods: The study was conducted on sixty newly confirmed hypothyroid cases based on the thyroid profile and sixty euthyroid cases were recruited as controls. Blood samples were collected from

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Palonko, R. I. "STUDIES OF MAGNESIUM AND PHOSPHORUS COMBINED MEDICATION BASED ON CASEIN." Biotechnologia Acta 14, no. 5 (2021): 56–62. http://dx.doi.org/10.15407/biotech14.05.056.

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Aim. The Department of Biochemistry and Physiology of Animals, named after Academician Guly NUBIP of Ukraine, developed magnesium and phosphorus combined medication based on casein. Our aim was to test its bioavailability based on the ability to be hydrolyzed by a mixture of pancreatic digestive enzymes trypsin and chymotrypsin, also check the absence of cytotoxic effects on cell cultures. Methods. To assess bioavailability, we used hydrolysis of the medication with a mixture of trypsin and chymotrypsin, followed by detection of hydrolysis products by polyacrylamide gel electrophoresis. A stan

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Villen, Rafael Almud, Walter Borzani, and Antonio Sacco Netto. "Influence of the accumulation of phosphate and magnesium ions in the yeast cells on the ethanol productivity in batch ethanol fermentation." Brazilian Archives of Biology and Technology 52, no. 1 (2009): 153–55. http://dx.doi.org/10.1590/s1516-89132009000100020.

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The accumulation of phosphate and magnesium in the yeast cells is not necessary to assure the ethanol productivity of batch ethanol fermentations. To avoid the decrease of the ethanol productivity it was sufficient to use a fermentation medium containing calculated concentrations of phosphorus and magnesium sources in order to maintain practically constant the phosphorus and magnesium initial contents of the biomass during the fermentation.

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Seel, F., K. P. Klos, D. Recktenwald, and J. Schuh. "Zur Frage der nicht-enzymatischen Bildung von kondensierten Phosphaten unter präbiotischen Bedingungen/ Non-Enzymatic Formation of Condensed Phosphates under Prebiotic Conditions." Zeitschrift für Naturforschung B 41, no. 7 (1986): 815–24. http://dx.doi.org/10.1515/znb-1986-0704.

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AbstractOne of the problems of chemical evolution on the primitive Earth is the question of the possibility of a non-enzymatic spontaneous condensation o f phosphoric acid and hydrogen phosphates to yield polyphosphoric acids and polyphosphates in aqueous system s, by means of which phosphorus might have entered into early metabolisms. The extra- or intra-cellular formation of magnesium diphosphate under geologically plausible hydrothermal conditions from either magnesium hydrogen phosphates or calcium phosphates in media has been demonstrated.

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Mataram, I. Komang Agusjaya, Ni Putu Agustini, Anak Agung Nanak Antarini, and Yuli Laraeni. "Development of products based on ke-kame-tu formula for PMT at posyandu as an effort to prevent stunting." International journal of health sciences 7, no. 3 (2023): 119–27. http://dx.doi.org/10.53730/ijhs.v7n3.14632.

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The "ke-kame-tu" formula is a mixture of Moringa leaf flour, red bean flour and tuna fish meal, with high protein, zinc, calcium, phosphorus and magnesium content. The specific aim of the research is to analyze the proximate content, amino acids, zinc, calcium, phosphorus and magnesium of supplementary feeding nugget products, and determine the most preferred supplementary feeding products. The “ke-kame-tu” formula (15-60-25) and supplementary feeding products were made using a randomized block design. Taste data was obtained using organoleptic tests. Analysis of calcium, phosphorus and magnes

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Stojkovic, J., Z. Ilic, S. Ciric, et al. "The influence of corn silage in dairy cows feeding on calcium, phosphorus and magnesium contents in the blood serum." Biotehnologija u stocarstvu 28, no. 4 (2012): 715–21. http://dx.doi.org/10.2298/bah1204715s.

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The amount of calcium, phosphorus and magnesium in milking cows, blood was tested and it is one of indicators that cows were fed with these substances. The average amount of calcium, phosphorus and magnesium in blood of milking cows was tested and it is one of indicators that cows were fed with these substances. The average amount of calcium in tested cows, blood is 2.82 mmol/l, the average amount of phosphorus is 1.66 and the average amount of magnesium is 1.29 mmol/l. Cows, were fed by corn silage, alfalfa hay, along with concentrate of standard mineral composition.

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D’Sa, Janice, H. G. Arpitha, M. B. Prathima, P. Sushith, Greeshma B. Kotian, and Suriyan S. Nair. "Assessment of Serum Calcium, Phosphorus, and Magnesium in Women with Hypothyroidism: A Cross-sectional Study." International Journal of Advanced Medical and Health Research 12, no. 1 (2025): 45–49. https://doi.org/10.4103/ijamr.ijamr_29_25.

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Context: Thyroid dysfunction, particularly hypothyroidism, is a significant global health concern, especially among women. Thyroid hormones are vital for bone metabolism, influencing serum calcium and phosphorus levels and increasing osteoporosis risk. However, the association between thyroid dysfunction and serum magnesium, essential for immunity and inflammation, remains underexplored. Aims: This study aimed to compare serum calcium, phosphorus, and magnesium levels between women with hypothyroidism and apparently healthy controls. In addition, we aimed to examine the correlations between le

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Shrestha, Shashi, Sadikshya Thapa, and Sanjay Kumar Jha. "Nutrient Analysis of Selected Wild Edible Mushrooms Collected from Thulo Ban Community Forest, Myagdi District, Nepal." Journal of Plant Resources 21, no. 1 (2023): 13–20. http://dx.doi.org/10.3126/bdpr.v21i1.57197.

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The study analyzes the nutrient content of three wild edible mushrooms Cantharellus cibarius, Laccaria laccata and Scleroderma cepa commonly consumed by the local people of Arjam, Myagdi district. Thirteen parameters were analyzed such as ash, carbohydrate, fat, moisture, protein, manganese, zinc, magnesium, potassium, iron, copper, phosphorus and calcium. The test methods used for ash, fat, moisture, protein and phosphorous content were ignition, soxhlet extraction, oven dry method, kjeldahl digestion method and spectrophotometric method respectively. Carbohydrate content was determined by ca

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Ziblim, Imoro Abukari, Khan Aikins Timothy, and Akaffo Phillip. "Effects of Season on the Mineral (Potassium, Calcium, Phosphorus, Magnesium) Levels of Pennisetum Pedicellatum in Northern Ghana." Greener Journal of Agricultural Sciences 2, no. 7 (2012): 329–33. https://doi.org/10.5281/zenodo.3373584.

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The aim of this study was to analyse the mineral (Phosphorus, Potassium, Calcium, and Magnesium) levels of Pennisetum pedicellatum in the wet and dry seasons. Purposive sampling was used to locate three different places where the grass was found. Pennisetum pedicellatum samples were harvested in both the wet and the dry seasons and analysed for their mineral levels. Magnesium and Calcium levels showed no significant difference (p>0.05) between the wet and dry seasons whiles Phosphorus and Potassium showed significant difference (p<0.05) between the wet and dry seasons. It was observed th

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Pattarkine, Vikram M., and Clifford W. Randall. "The requirement of metal cations for enhanced biological phosphorus removal by activated sludge." Water Science and Technology 40, no. 2 (1999): 159–65. http://dx.doi.org/10.2166/wst.1999.0112.

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The objectives of the study described in this paper were to study the requirements of potassium, magnesium, and calcium for enhanced biological phosphorus removal (EBPR) and to determine whether either potassium or magnesium could support EBPR on its own. Batch experiments indicated that phosphorus uptake by the sludge was affected by the availability of potassium, magnesium, and calcium. Both potassium and magnesium were simultaneously required and neither was adequate by itself for EBPR. Calcium did not appear to be required for EBPR, and did not seem to be involved in biologically mediated

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Lee, J. J., C. U. Choi, M. J. Lee, I. H. Chung, and D. S. Kim. "A study of NH3-N and P refixation by struvite formation in hybrid anaerobic reactor." Water Science and Technology 49, no. 5-6 (2004): 207–14. http://dx.doi.org/10.2166/wst.2004.0755.

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This research is concerned with the removal of ammonia nitrogen and phosphorus in foodwaste by crystallization. Reductions have been achieved by struvite formation after the addition of magnesium ions (Mg2+). Magnesium ions used in this study were from magnesium salts of MgCl2. The results of our analysis using scanning electron microscopy and energy dispersive X-ray analysis showed that the amount of struvite in precipitated sludge grew enough to be seen with the naked eye (600-700μm). EDX analysis also showed that the main components of the struvite were magnesium and phosphorus. NH3-N remov

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Silva, J. H., L. V. Q. Contreras, C. F. Ponath, C. Bondan, M. C. Machado, and F. González. "Blood concentrations of calcium, phosphorus and magnesium and dietary cation-anion difference in dairy cows." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 75, no. 1 (2023): 127–36. http://dx.doi.org/10.1590/1678-4162-12774.

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ABSTRACT The objective of this study was to identify the effect of pre and postpartum DCAD on serum levels of calcium, phosphorus, and magnesium in peripartum Holstein cows. Blood samples were collected from 56 cows (18 primiparous and 38 multiparous) on days -7, +7, +14 and +28 relative to parturition, to determine serum levels of total and ionized calcium, phosphorus, magnesium, and albumin; diet samples for determination of calcium, phosphorus, magnesium and DCAD were collected at the same moments and urine samples were collected at day -7 for measurement of urinary pH. Prepartum DCAD was p

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He, Zubing, Zhi Wang, Jianxun Hao, Yifan Wu, and Houjun Liu. "The Use of Magnesium Fertilizer Can Improve the Nutrient Uptake, Yield, and Quality of Rice in Liaoning Province." Agronomy 14, no. 3 (2024): 639. http://dx.doi.org/10.3390/agronomy14030639.

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In this study, the effects of the soil application and foliar spraying with magnesium fertilizers on rice yield and quality in Liaoning Province were investigated. Field experiments were conducted at Kaiyuan, Xinmin, and Dawa in 2022 and 2023. Magnesium fertilizers were used in the soil as magnesium sulfate monohydrate and silicon–magnesium fertilizer and on leaves was magnesium sulfate heptahydrate. The results showed that the application of 12 kg magnesium hm−2 in the soil at the Kaiyuan site can significantly increase rice yield by 14.8% compared with sites without magnesium fertilizer. The

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Åhman, Birgitta, Axel Rydbeg, and Gustaf Åhman. "Macrominerals in free-ranging Swedish reindeer during winter." Rangifer 6, no. 2 (1986): 31. http://dx.doi.org/10.7557/2.6.2.558.

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Samples of blood, rumen, and caecal contents were taken from 238 reindeer (Rangifer tarandus) slaughtered between September and March in two consecutive years. Levels of magnesium, calcium and phosphorus were measured to evaluate the extent to which levels of these minerals reflected changes in the grazing conditions through the winter. Twenty-one reindeer in poor conditon were included in the investigation and compared with normal animals with respect to the investigated minerals. Serum values in September were within the normal range for domestic sheep (Ovis spp.) and cattle (Bos spp.) (Chur

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Stojkovic, J., Z. Ilic, M. Milenkovic, R. Djokovic, and B. Jasovic. "The impact of physiological condition on calcium, phosphorus and magnesium levels in sheep blood serum." Biotehnologija u stocarstvu 27, no. 3 (2011): 1113–21. http://dx.doi.org/10.2298/bah1103113s.

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A large number of sheep, especially the ones that spend the majority of time on pastures, is being fed with the meals which do not contain all the neccessary mineral substances. The level of calcium, phosphorus and magnesium on natural pastures is too low considering the neccessities of sheep. So, the irregularities in sheep feeding occur because of the absence of other food sources. These irregularities range from the acute mineral deficite or illness, to the mild temporary forms which can hardly be diagnosed, but they affect the level of production. The contents of calcium, phosphorus and ma

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Khorami, Jaleh, Alain Lemieux, and Denis Nadeau. "The phosphorylation of chrysotile asbestos fibers with phosphorus oxychloride (POCl3): mechanism of reaction and chemical composition of the external coating." Canadian Journal of Chemistry 65, no. 9 (1987): 2268–76. http://dx.doi.org/10.1139/v87-378.

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Magnesium hydroxide and silica, which are at the base of the chemical composition of chrysotile asbestos fibers, have been treated with phosphorus oxychloride vapors and compared to chrysotile asbestos treated similarly. Thermogravimetric, evolved gas analyses, and Fourier Transform infrared spectroscopy techniques were used to identify the compounds formed and (or) adsorbed on the surface of the minerals phosphorylated at room temperature and after a heat post-treatment at 300 °C. The results obtained show that the reaction of silica with phosphorus oxychloride can be considered negligible. H

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Vlček, Vítězslav, and Miroslav Pohanka. "Adsorption of Copper in Soil and its Dependence on Physical and Chemical Properties." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 66, no. 1 (2018): 219–24. http://dx.doi.org/10.11118/actaun201866010219.

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Soil samples (n = 11) were collected in the chernozem areas of the Czech Republic (the Central Europe) from the topsoil and used as representative samples. All sampling areas have been used for agricultural purposes (arable soil) and they were selected as typical representatives of agricultural soil. These samples represented the soil with same genesis (to reduction differencies between soil types) but with different soil properties (physical and chemical). Complete chemical and physical analyses were made for confirmation of copper adsorption on solid phase: we analysed the particle size dist

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Bagnavets, N., A. Zhevnerov, M. Grigoryeva, and T. Pshenichkina. "Influence of phosphorus fertilizers of various composition on the yield of tomato crops and control of their consumption by plants." IOP Conference Series: Earth and Environmental Science 937, no. 2 (2021): 022131. http://dx.doi.org/10.1088/1755-1315/937/2/022131.

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Abstract Phosphate fertilizers are widely used for growing crops. To obtain phosphoric fertilizers, phosphoric acid purified using organic solvents, one of which is 100% tributyl phosphate, is used. The authors of the paper have chosen this solvent to obtain purified phosphoric acid. Purification from impurities included the stages of extraction and reextraction. On the basis of the re-extract and chemically pure phosphoric acid, a phosphoric fertilizer magnesium-ammonium phosphate (MgNH4PO4) was synthesized and used in the greenhouse experiment. The greenhouse experiment consisted in growing

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Hamalovâ, Martina, Jiřina Hodslavská, Pavel Janos, and Viktor Kanický. "Determination of Phosphorus, Potassium, and Magnesium in Fertilizers by Inductively Coupled Plasma–Atomic Emission Spectroscopy and Comparison with Other Techniques." Journal of AOAC INTERNATIONAL 80, no. 6 (1997): 1151–55. http://dx.doi.org/10.1093/jaoac/80.6.1151.

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Abstract Phosphorus, potassium, and magnesium in 12 fertilizers were determined by inductively coupled plasma–atomic emission spectroscopy (ICP–AES), and results were compared with those obtained by standard gravimetry (phosphorus) and atomic absorption spectrometry (AAS) (potassium and magnesium). ICP–AES and gravimetry were also used to determine water- and citrate-soluble phosphorus in fertilizers. In all cases, precision and accuracy of the ICP–AES method were satisfactory. Certain differences, probably not significant for routine analyses, were observed between ICP–AES and gravimetry in d

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Zhang, Ming Yang, Ai Min Hao, and Takahiro Kuba. "The Crystallization of Struvite by Recycling Poly-Phosphate Released from Sewage Sludge after Thermal Treatment." Advanced Materials Research 781-784 (September 2013): 1963–67. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.1963.

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Because of the shortage crisis of phosphorus element and environmental problems caused by excess discharge of phosphorus compounds into nature water bodies, phosphorus recovery had been research hotspot. Poly-phosphate (poly-P) released from sewage sludge after thermal treatment could be recovered successfully as magnesium ammonium phosphate hexahydrate (MgNH4PO4·6H2O) commonly known as struvite in present study. This phenomenon was the first time to be found in phosphorus recovery from sewage sludge. The parameters affected struvite formation with poly-P had been tested. Poly-P indicated bett

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Dhungana, Arun, Naveen Shreevastva, Subash Pant, and Baburam Pokharel. "A study of serum calcium, phosphorous and magnesium level in hypothyroid cases." Journal of Pathology of Nepal 12, no. 1 (2022): 1933–37. http://dx.doi.org/10.3126/jpn.v12i1.40422.

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Background: Hypothyroidism is an endocrine disorder occurred either due to its impaired activity or hormonal deficiency. Trace elements are required as a cofactor for many enzymes in various metabolic pathways which are regulated by thyroid hormone. Hence, thyroid disorders are linked with disturbances in various metabolisms. So, the purpose of this study is to evaluate whether serum calcium, magnesium, and phosphorus level are deranged or not in hypothyroid cases. Materials and Methods: A prospective study was carried out in a total of 112 cases of hypothyroid and euthyroid subjects aged 20-5

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Stojkovic, J., B. Jasovic, and D. Randjelovic. "The amount of some mineral substances in cows’ blood serum fed with corn silage." Biotehnologija u stocarstvu 23, no. 5-6-2 (2007): 59–66. http://dx.doi.org/10.2298/bah0702059s.

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The amount of calcium, phosphorus and magnesium in milking cows? blood was tested and it is one of indicators that cows were fed with these substances. The average amount of calcium in tested cows? blood is 11.58mg/100ml serum, the average amount of phosphorus is 5,14mg/100ml and the average amount of magnesium is 3,03/100mg .

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Workman, M. Linda. "Magnesium and Phosphorus: The Neglected Electrolytes." AACN Advanced Critical Care 3, no. 3 (1992): 655–63. http://dx.doi.org/10.4037/15597768-1992-3012.

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Magnesium and phosphorus normally are present in very low scrum concentrations and usually are not included in common serum electrolyte laboratory studies. Though their normal serum concentrations are relatively low, both of these ionized minerals are necessary for many critical physiologic functions, and decreases in normal scrum levels can have serious deleterious effects. Some of these effects, especially in myocardial tissues, may lead to permanent tissue damage. Hospitalized patients at greatest risk for developing hypomagnesemia or hypophosphatemia are trauma victims; individuals with po

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Graves, Leland. "Disorders of calcium, phosphorus, and magnesium." Critical Care Nursing Quarterly 13, no. 3 (1990): 3–13. http://dx.doi.org/10.1097/00002727-199011000-00004.

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Fouser, Laurie. "Disorders of Calcium, Phosphorus, and Magnesium." Pediatric Annals 24, no. 1 (1995): 38–46. http://dx.doi.org/10.3928/0090-4481-19950101-09.

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