CarbonateNanoparticlesHydroxideSynthesisBoneCalciteChloride and sodiumDicalcium phosphateSodiumPhosphorusInorganic PhosphateBioactiveApatiteCrystallineCoatingsDiammoniumSilicaIonsOrganicWhiskersType of compoundsCitratePhosphoricAmorphousSolubilityCharacterizationParticlesChemistryOxygenPowderExamplesStableTeethSolutionsStructuresDeterminationReactionBiocompatibilityPrecipitationMineralChemical PropertiesTemperatureBiologicalAbsorptionFormulaImplantsConcentrationAmount of calciumFormsDecreasesProcesses
Carbonate18
- Chemical systems of study include zinc oxide and the biominerals calcium carbonate (calcite) and calcium hydroxyl phosphate (hydroxyapatite). (winthrop.edu)
- It is formed of calcium carbonate (CaCO₃), silica (SiO₂), calcium silicate (Ca₂SiO₄), hydroxylapatite (Ca₁₀P₆O₂₆), calcium carbonate and phosphate (Ca₁₀(PO₄) 6CO₃) and silicate calcium and magnesium (Ca₅MgSi₃O₁₂). (waset.org)
- Contribution à l'étude des mécanismes d'entartrage: Influence de la matière humique dans l'inhibition de la croissance cristalline du carbonate de calcium, INSA Toulouse (1994). (waset.org)
- 9] A. Kamari, F. Gharagheizi, A. Bahadori and A.H. Mohammadi, Determination of the Equilibrated Calcium Carbonate (Calcite) Scaling in Aqueous Phase Using a Reliable Approach. (waset.org)
- CN103663526A Superfine heavy calcium carbonate. (hurtowniaanita.pl)
- The invention discloses a superfine heavy calcium carbonate preparation method, relates to a wet preparation method of superfine heavy calcium carbonate, and provides a preparation method of superfine heavy calcium carbonate with grain size less than 0.5 micron. (hurtowniaanita.pl)
- Ultrasonic Dispersing and Wet-milling of Calcium Carbonate (CaCO3) Cement, and its paved derivative, concrete, is a widely-consumed material in any modern society: residential walkways, recreational parks and building construction are just some of the many uses of cement. (hurtowniaanita.pl)
- The process of obtaining calcium carbonate nanopowders includes two stages: dry and wet milling processes. (hurtowniaanita.pl)
- Ground calcium carbonate, commonly referred to as GCC, is widely used as an industrial mineral.Ground calcium carbonate process refers to the ground calcium carbonate manufacturing or production process, in which raw materials are ground to fine and even ultra-fine ground calcium carbonate powder. (hurtowniaanita.pl)
- Processing of calcium carbonate, kaolin and titanium dioxide. (hurtowniaanita.pl)
- Calcium carbonate (CaCO3) may be used for lead removal. (hurtowniaanita.pl)
- Alternatively, precipitated calcium carbonate can also be the product of contacting calcium with carbonate salts (e.g., calcium chloride and sodium carbonate) in an aqueous environment. (hurtowniaanita.pl)
- When the large calcium carbonate is fed into ball mill, it will be ground and the grain size can is between 0.074mm and 0.4mm, in normal, this final calcium carbonate can not meet the required size of industries. (hurtowniaanita.pl)
- processing calcium carbonate caco3 wet milling Calcium Carbonate Mill Feed size ≤15 ≤25mm Discharge size 0.125 0.010mm Applications grinding processing calcium carbonate gypsum powder processing power plant desulfurization milling non metallic minerals coal preparation and so on. (hurtowniaanita.pl)
- Grinding Mills, Grinding Machines, Calcium Carbonate Grinding Mill manufacturer / supplier in China, offering High Efficiency Grinding Mill Machine for Calcium Carbonate Powder Manufacturing, High Efficiency 28 Rollers Grinding Mill, Super Fine Powder Solution of Wet Grinding Mill and so on. (hurtowniaanita.pl)
- wet grinding mill for calcium carbonate caco. (hurtowniaanita.pl)
- Fifty percent of plasma calcium is ionized, 40% is bound to proteins (90% of which binds to albumin), and 10% circulates bound to anions (eg, phosphate, carbonate, citrate, lactate, sulfate). (medscape.com)
- Examples of bases are sodium hydroxide, calcium carbonate and potassium oxide. (tutordale.com)
Nanoparticles8
- Calcium phosphate nanoparticles were produced in a range of calcium-to-phosphorus ratio, (1.20-2.19) in order to analyze the morphology and crystallinity changes, and to test the bioactivity of particles. (metu.edu.tr)
- The findings suggest that calcium phosphate nanoparticles produced in this work have a potential to be used as biomaterials in biomedical applications. (metu.edu.tr)
- XRD and FT-IR studies revealed that the resultant nanoparticles were produced by mineral cross-linkages of hydroxyapatite (HAp) and the crystal amount and properties such as morphology and crystallinity could be well-controlled by the reaction conditions. (elsevierpure.com)
- After removal of the surfactants, we carried out the alternative dialysis of nanoparticles against CaCl2 aqueous solution and phosphate buffered solution for further mineral cross-linking. (elsevierpure.com)
- Functionalization is the term that refers to the chemical modification of a nanomaterial to give it a "function", that is, to facilitate its incorporation with other compounds or to benefit its biocompatibility and better direct its use by anchoring functional groups, molecules, or nanoparticles. (graphenemex.com)
- Foliar spray of calcium borate Nanoparticles (CaB 4 O 7 -NPs) was applied as a nano-fertilizer on Lactuca sativa and Cucurbita pepo , the application of CaB 4 O 7 -NPs promoted shoot and root biomass production of lettuce by 2.7 and 1.9-fold compared to the untreated plants, respectively [14]. (jchemrev.com)
- The treatment of the Blackeye bean plant with hybrid chitosan-calcium oxide nanoparticles increased the growth of the plant by 8 cm and 10.7 cm compared with 6 cm for the untreated plant [15]. (jchemrev.com)
- The urea-modified hydroxyapatite nanoparticles were encapsulated into cavities of the softwood of Gliricidia sepium , such nano-fertilizer composition exhibited a moderate and controlled delivery of nitrogen at three divergent pH values (4.2, 5.2, and 7) up to day 60 compared to the commercial fertilizer [19]. (jchemrev.com)
Hydroxide3
- Tetracalcium phosphate cannot be prepared in aqueous solution, any precipitates having the correct Ca/P ratio contain hydroxide ions in apatitic phases. (wikipedia.org)
- Tetracalcium phosphate is stable in water at room temperature for up to four weeks, but at higher temperatures hydrolyses to hydroxyapatite and calcium hydroxide: 3 Ca4(PO4)2O + 3 H2O → 2 Ca5(PO4)3(OH) + 2 Ca(OH)2 Tetracalcium phosphate is a component used in the formation of some hydroxyapatite calcium phosphate cements that used for the repair of bone defects. (wikipedia.org)
- In chemistry, a base is a chemical species that donates electrons, accepts protons, or releases hydroxide ions in aqueous solution. (tutordale.com)
Synthesis3
- Her doctoral work was the synthesis and characterization of air-sensitive sulfide compounds, and her postdoctoral work in the Ceramic Engineering Department at Rutgers University focused on hydrothermal synthesis of ferroelectric materials. (winthrop.edu)
- The present study evaluates the synthesis of biocompatible osteoconductive and osteoinductive nano calcium phosphate (CaP) particles by industrially applied, aerosol-derived flame spray pyrolysis method for biomedical field. (metu.edu.tr)
- Synthesis of Hybrid Polyphenol/Hydroxyapatite Nanomaterials with Anti-Radical Properties. (upmc.fr)
Bone9
- Osteoblast-specific mitogens and drugs containing such compounds can be used for treating metabolic bone diseases. (justia.com)
- Compounds having a stimulating effect on bone formation and contributing to increase an already diminished bone mass are therefore of particular importance in the treatment of bone metabolic disorders. (justia.com)
- Calcium phosphate (CaP)-based biomaterials have superior properties and have been widely used for bone defect repair, due to their similarities to the inorganic components of human bones. (encyclopedia.pub)
- 11 Calcium phosphate-coated implants have been described in the literature which demonstrate early direct bone attachment to the hydroxyapatite surface and this occursas quickly as one month post-operatively. (com.pk)
- Calcium is necessary for bone mineralization and is an important cofactor for hormonal secretion in endocrine organs. (medscape.com)
- These compounds act primarily at bone, renal, and GI sites. (medscape.com)
- PTH stimulates osteoclastic bone reabsorption and distal tubular calcium reabsorption and mediates 1,25-dihydroxyvitamin D (1,25[OH] 2 D) intestinal calcium absorption. (medscape.com)
- [ 5 ] Vitamin D stimulates intestinal absorption of calcium, regulates PTH release by the chief cells, and mediates PTH-stimulated bone reabsorption. (medscape.com)
- Calcitonin lowers calcium by targeting bone, renal, and GI losses. (medscape.com)
Calcite1
- Recalculations showed that all solutions were undersaturated or just saturated with respect to either brushite or octocalciumphosphate or more or less finely dispersed calcite and supersaturated with respect to pure hydroxylapatite. (degruyter.com)
Chloride and sodium1
- Title: Calcium chloride and sodium phosphate in neonatal parenteral nutrition containing TrophAmine: precipitation studies and aluminum content. (aablocks.com)
Dicalcium phosphate4
- In this study, we develop an integrated process for the direct recovery and separation of dicalcium phosphate dihydrate for fertilizer and livestock feed additive production from a low-grade (2.0 wt% P) iron-rich (19.7 wt% Fe) phosphate ore. (rsc.org)
- The developed process achieves around 70% phosphorus recovery as an industrial-grade (19 wt% P) dicalcium phosphate dihydrate product with minimal iron, magnesium, and aluminum contamination, while also producing value-added calcium sulfate dihydrate (gypsum) and iron/magnesium byproducts. (rsc.org)
- 40% P 2 O 5 ), while livestock feed additives are usually in the form of dicalcium phosphate (CaHPO 4 ), monocalcium phosphate (Ca(H 2 PO 4 ) 2 ), or defluorinated phosphate (Ca 3 (PO 4 ) 2 ). (rsc.org)
- This means the amount of dicalcium phosphate required is higher to achieve the same dosage of calcium in the final product. (hawkinswatts.com)
Sodium5
- The results of the physicochemical analysis of the waters show that they are full of bicarbonates (653 mg/L), chloride (478 mg/L), nitrate (412 mg/L), sodium (425 mg/L) and calcium (199mg/L). Their pH is slightly alkaline. (waset.org)
- The most relevant inorganic Fluorides are Hydrogen fluoride, Calcium fluoride, and Sodium fluoride. (dentistofnaples.com)
- Examples include aqueous solutions of sodium fluoride and stannous fluoride, low pH solutions such as the acidulated phosphate fluoride system. (dentistofnaples.com)
- Title: Comparison of patient acceptance of sodium phosphate versus polyethylene glycol plus sodium picosulfate for colon cleansing in Japanese. (aablocks.com)
- Title: Budget-impact model for colonoscopy cost calculation and comparison between 2 litre PEG+ASC and sodium picosulphate with magnesium citrate or sodium phosphate oral bowel cleansing agents. (aablocks.com)
Phosphorus6
- It is the most basic of the calcium phosphates, and has a Ca/P ratio of 2, making it the most phosphorus poor phosphate. (wikipedia.org)
- Phosphorus does not exist in elemental form in the natural environment because elemental P is extremely reactive and readily combines with oxygen (O) to form phosphate (PO 4 ). (ufl.edu)
- Phosphorus supplements are usually produced from high-grade phosphate rock concentrates (28-40 wt% P 2 O 5 ). (rsc.org)
- The main role of phosphate supplements is to deliver soluble and bioavailable phosphorus to plants and livestock as crop fertilizers or animal feed additives. (rsc.org)
- The analysis of the scale reveals that it is rich in calcium and phosphorus. (waset.org)
- Calcium levels are also affected by magnesium and phosphorus. (medscape.com)
Inorganic Phosphate2
- Inorganic Phosphate is contributed by detergents and household cleaning products such as soaps. (ufl.edu)
- The volume begins with this introductory chapter then proceeds to the chemical properties of inorganic phosphate that enable its several biological roles. (tutordale.com)
Bioactive1
- For this reason, in the recent five years hydroxyapatite particles and whiskers have been added as novel bioactive and biocompatible reinforcing filler in dental restorations. (hindawi.com)
Apatite2
- This slag was used as a fertiliser due to the higher solubility of tetracalcium phosphate relative to apatite minerals. (wikipedia.org)
- Literature data on equilibria between solid calcium phosphates having the apatite structure and aqueous solutions containing Na + and CO 3 2- ions were reexamined in view of the present data about the complexation of ions in such systems. (degruyter.com)
Crystalline4
- One example of a hydroxyapatite cement forming reaction is that of tetracalcium phosphate and dicalcium diphosphate dihydrate: Ca4(PO4)2O + CaHPO4·2H2O → Ca5(PO4)3(OH) + 2 H2O Crystalline tetracalcium phosphate is monoclinic, and has close similarities to hydroxyapatite. (wikipedia.org)
- Hydroxyapatite (HAP) as the most thermally stable crystalline phase of CaP is mostly used in the form of ceramics or composites scaffolds with polymers. (encyclopedia.pub)
- Hydroxyapatite (HAP, Ca 10 (PO 4 ) 6 (OH) 2 ) has a hexagonal prismatic structure that exposes two crystalline surfaces: prism-faceted a- and basal-faceted c-surfaces. (osti.gov)
- article{osti_1543698, title = {Effects of Controlled Crystalline Surface of Hydroxyapatite on Methane Oxidation Reactions}, author = {Oh, Su Cheun and Xu, Jiayi and Tran, Dat T. and Liu, Bin and Liu, Dongxia}, abstractNote = {Hydroxyapatite (HAP, Ca10(PO4)6(OH)2) has a hexagonal prismatic structure that exposes two crystalline surfaces: prism-faceted a- and basal-faceted c-surfaces. (osti.gov)
Coatings3
- This paper discusses the processes of grit-blasting, plasma spraying, acid-etching, anodization and implant surface coatings with hydroxyapatite. (com.pk)
- Ahmed F, Rashid H, Farookhi S, Verma V, Mulyar Y, Khalifa M, Sheikh Z. Surface modifications of endosseous dental implants by incorporation of roughness and hydroxyapatite coatings. (com.pk)
- Effects of strontium-substitution in sputter deposited calcium phosphate coatings on the rate of corrosion of magnesium alloys. (pitt.edu)
Diammonium1
- In the present study, the calcium phosphate powders (HAP, HAP-TCP) were produced by a precipitation technique involving the use of aqueous solutions of calcium nitrate and diammonium hydrogen phosphate. (metu.edu.tr)
Silica6
- Six groups with different hydroxyapatite whiskers mass fractions were taken into account in order to be compared with the performances of silica particles based composites group. (hindawi.com)
- Data obtained show better interfacial interaction with filler/matrix until 20 wt% of hydroxyapatite whiskers partially replaced silica particles filler. (hindawi.com)
- In fact, it was shown that the incorporation of hydroxyapatite with whiskers morphology can provide larger load transfer and favor toughening mechanisms, thus, increasing flexural modulus and fracture toughness of resins in comparison with conventional silica based fillers [ 6 - 11 ]. (hindawi.com)
- This information is of primary interest in order to achieve a final consistency and specific formulation of hydroxyapatite whiskers mixed with silica particles filler in resin composite. (hindawi.com)
- In particular, six different ratios of hydroxyapatite/silica particles were investigated. (hindawi.com)
- With this aim, different mass fraction of hydroxyapatite based composites and three commercial composites loaded with silica particles were tested and compared in order to verify the effective enhancement in both biocompatibility and mechanical properties. (hindawi.com)
Ions1
- However, if adding to a hot beverage or developing a high acid, shelf-stable beverage such as a fruit or coffee flavour, this will increase the solubility of the tricalcium phosphate, releasing more free mineral ions in the system and allowing adverse interactions. (hawkinswatts.com)
Organic4
- In wastewater, P exists as one of several possible phosphate compounds including orthophosphate, polyphosphates, and organic phosphate (Crites and Tchobanoglous 1998). (ufl.edu)
- 2. Organic Phosphate is contributed by human excreta (feces) and food residues. (ufl.edu)
- Organic phosphates are present in sugars, phospholipids, and nucleotides. (ufl.edu)
- It forms inorganic and organic compounds called Fluoride. (dentistofnaples.com)
Whiskers3
- A systematic evaluation of mechanical and biocompatibility properties of different volume fractions of hydroxyapatite whiskers in comparison with three commercial dental composites filled with micro- and nanosilica particles was carried out. (hindawi.com)
- In addition, hydroxyapatite whiskers (wHA) have been considered the best option as reinforcing filler in comparison with other whiskers based on carbon, ceramic, glass, metal, and polymer due to the absence of cytotoxicity effects [ 12 , 13 ]. (hindawi.com)
- 6] Park J., Photocatalytic Activity of Hydroxyapatite-Precipitated Potassium Titanate Whiskers , J. Alloys Compd . (nsmsi.ir)
Type of compounds2
- The structural relations to the variants of the W-structure type of compounds in the system Li-Sn and Na-Sn are shown. (degruyter.com)
- Using several compositions, Fey B(PO4)x type of compounds were attempted to be prepared by solid state reactions. (metu.edu.tr)
Citrate1
- Title: Citrate, not phosphate, can dissolve calcium oxalate monohydrate crystals and detach these crystals from renal tubular cells. (aablocks.com)
Phosphoric3
- 2 The phosphate rock is converted to phosphoric acid (H 3 PO 4 ) which is used to produce phosphate fertilizers. (rsc.org)
- In the wet phosphoric acid process, the phosphate rock is reacted with sulfuric acid (H 2 SO 4 ), producing gypsum (CaSO 4 ·2H 2 O) and aqueous phosphoric acid (reaction (1) ). (rsc.org)
- The dimeric phosphoric anhydride inorganic pyrophosphate is then addressed as the central functional group that enables the POP anhydride linkage to function throughout biology via the dual properties of thermodynamic activation coupled to kinetic stability in aqueous medial at physiological pH values. (tutordale.com)
Amorphous1
- XRD patterns, HRTEM, SAED, and SEM analyses revealed the amorphous nature of the asprepared nano calcium phosphate particles at low Ca/P ratios. (metu.edu.tr)
Solubility1
- For example, tricalcium phosphate (TCP) has a high mineral content and low cold solubility (0.02%), but α-TCP decomposes to hydroxyapatite in hot water (80-100°C). Standard oat milk is around neutral pH, and heat processing is a short time, so the solubility of the mineral remains intact. (hawkinswatts.com)
Characterization1
- The characterization results confirmed that nanometer-sized, spherical calcium phosphate particles were produced. (metu.edu.tr)
Particles1
Chemistry1
- She continues a hydrothermal program at Winthrop, the main objective on the relationships between aqueous chemistry and crystal shape. (winthrop.edu)
Oxygen1
- Methods of synthesizing the above compound wherein X=oxygen, and -(CH 2 ) n -CH 3 with n=13, are well-known (e.g. (justia.com)
Powder1
- New iron phosphate and borophosphate compounds were synthesized and characterized by single crystal/powder X-ray diffraction, infrared spectroscopy, raman spectroscopy, thermogravimetric analysis, electron microscopy and elemental analysis. (metu.edu.tr)
Examples1
- The textbook has also used his original research work in hydroxyapatite as examples. (ntu.edu.sg)
Stable1
- Despite these enormous fluxes of calcium, the levels of ionized calcium remain stable because of the rigid control maintained by parathyroid hormone (PTH), vitamin D, and calcitonin through complex feedback loops. (medscape.com)
Teeth2
- 1. Fluoride becomes incorporated into the hydroxyapatite crystals of teeth, rendering them more resistant to acid attack. (dentistofnaples.com)
- Calcium is the most abundant mineral in the human body, vital for healthy bones and teeth. (hawkinswatts.com)
Solutions3
- Why ( and how ) did researchers of the previous century use blood plasma-like synthetic biomineralization solutions , instead of distilled or deionized water, to synthesize biomimetic calcium phosphates? (cuneyttas.com)
- How to synthesize calcium phosphates in biomimetic saline solutions, over the pH range of 9 to 12.5 , without adding any strong base such as NH 4 OH, NaOH or KOH? (cuneyttas.com)
- PH , quantitative measure of the acidity or basicity of aqueous or other liquid solutions. (tutordale.com)
Structures2
- The similarity is such that it has been suggested that there is an epitactic relationship between the structures enabling direct conversion of tetracalcium phosphate to hydroxyapatite. (wikipedia.org)
- The structures of these compounds are closely related both to each other and to the TlSe-structure. (degruyter.com)
Determination1
- Title: Determination of imatinib mesylate and related compounds by field amplified sample stacking with large volume sample injection capillary electrophoresis. (aablocks.com)
Reaction1
- Solid state reactions are used, one example is: 2 CaHPO4 + 2 CaCO3 → Ca4(PO4)2O + CO2 + H2O (1450-1500 °C for up to 12 hours) As tetracalcium phosphate is metastable the molten reaction mixture has to be quenched to rapidly, reduce the temperature and prevent the formation of other compounds such as Ca3(PO4)2, CaO, CaCO3 and Ca5(PO4)3(OH). (wikipedia.org)
Biocompatibility2
- In addition, biocompatibility test showed less cytotoxic effect with the addition of 20 wt% of hydroxyapatite in comparison with higher rates. (hindawi.com)
- To overcome the present lack in the literature about hydroxyapatite based composite, we proposed a systematic analysis of the mechanical and biocompatibility performances of them in comparison with commercial dental composite. (hindawi.com)
Precipitation1
Mineral3
- 1,4-6 The P 2 O 5 grade, mineral form, and calcium content of these products are critical for their effective performance in their target applications and their market value. (rsc.org)
- We developed a mineral cross-linking strategy to prepare a biopolymer-based nanoparticle using calcium phosphate (CaP) as a cross-linker. (elsevierpure.com)
- aqueous solution and phosphate buffered solution for further mineral cross-linking. (elsevierpure.com)
Chemical Properties1
- Chemical Properties of Calcium Phosphate" Encyclopedia , https://encyclopedia.pub/entry/31249 (accessed December 02, 2023). (encyclopedia.pub)
Temperature2
- Some physicochemical characteristics influence the erosivity of food like the type of acid, pH, titratable acidity, chelating potential, calcium and phosphate concentration, temperature and adhesion 4 . (bvsalud.org)
- Nanocrystalline and nanostructured TiO2-Cr2O3 thin films and powders were prepared by a facile and straightforward aqueous particulate sol-gel route at low temperature of 400°C. The prepared sols showed a narrow particle size distribution with hydrodynamic diameter in the range of 17.7 nm to 19.0 nm. (sharif.edu)
Biological3
- Due to some of their specific structural features, we hypothesize that these compounds could exert diverse biological activity beyond their main scope of application. (bvsalud.org)
- Overall, if the absence of significant toxicity for piperidine bearing aldoxime highlights the potential of its further studies in medical counter-measures, the observed biological activity of aldoximes with tetrahydroisoquinoline moiety could be indicative for future design of compounds either in a negative context in OP antidotes design, or in a positive one for design of compounds for the treatment of other phenomena like cell proliferating malignancies. (bvsalud.org)
- Transfer of P as the PO32 group opens the biological world of phosphate monoesters brought about by phosphoryl transfer enzymes and includes all the kinases for low molecular weight metabolites and for proteins in their myriads. (tutordale.com)
Absorption2
- There is a synergistic effect of vitamin D with calcium, assisting its absorption in the body. (hawkinswatts.com)
- The utilization of nanomaterials in fertilizer application increases the absorption and influence of nutritional elements and essential compounds for plants, as well [4]. (jchemrev.com)
Formula2
- Compound 3 crystallizes in space group P2 1 /n with lattice parameters a = 8.552(6) Å, b= 16.953(2) Å, c- 12.157(9) Å and β= 103.46(2)° with four formula units in the unit cell. (degruyter.com)
- The present invention relates to osteoblast-specific mitogenic compounds of formula (I), methods of preparing same, and drugs containing such compounds. (justia.com)
Implants1
- Unwanted tetracalcium phosphate can be formed when metal alloy implants (orthopaedic and dental) are plasma spayed with hydroxyapatite. (wikipedia.org)
Concentration2
- The total calcium concentration in the plasma is 4.5-5.1 mEq/L (9-10.2 mg/dL). (medscape.com)
- Clinical signs and symptoms are observed only with decreases in ionized calcium concentration (normally 4.5-5.5 mg/dL). (medscape.com)
Amount of calcium1
- Normally, the amount of calcium absorbed by the intestines is matched by urinary calcium excretion. (medscape.com)
Forms1
- and erucic acid 2-hydroxy-3-phosphonooxypropylester being excluded, and the physiologically tolerable salts, esters, optically active forms, and racemates of said compounds. (justia.com)
Decreases1
- Unfortunately, as we get older, the body's ability to absorb calcium from the diet decreases. (hawkinswatts.com)
Processes2
- Most previous studies on the adoption of low-grade phosphate ores have focussed on ore beneficiation processes which are expensive, complex, and in some cases inefficient. (rsc.org)
- Ionized calcium is the necessary plasma fraction for normal physiologic processes. (medscape.com)