Inorganic compounds that contain calcium as an integral part of the molecule.
Signal transduction mechanisms whereby calcium mobilization (from outside the cell or from intracellular storage pools) to the cytoplasm is triggered by external stimuli. Calcium signals are often seen to propagate as waves, oscillations, spikes, sparks, or puffs. The calcium acts as an intracellular messenger by activating calcium-responsive proteins.
Voltage-dependent cell membrane glycoproteins selectively permeable to calcium ions. They are categorized as L-, T-, N-, P-, Q-, and R-types based on the activation and inactivation kinetics, ion specificity, and sensitivity to drugs and toxins. The L- and T-types are present throughout the cardiovascular and central nervous systems and the N-, P-, Q-, & R-types are located in neuronal tissue.
Calcium compounds used as food supplements or in food to supply the body with calcium. Dietary calcium is needed during growth for bone development and for maintenance of skeletal integrity later in life to prevent osteoporosis.
Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.
Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements.
Stable calcium atoms that have the same atomic number as the element calcium, but differ in atomic weight. Ca-42-44, 46, and 48 are stable calcium isotopes.
A salt used to replenish calcium levels, as an acid-producing diuretic, and as an antidote for magnesium poisoning.
Long-lasting voltage-gated CALCIUM CHANNELS found in both excitable and nonexcitable tissue. They are responsible for normal myocardial and vascular smooth muscle contractility. Five subunits (alpha-1, alpha-2, beta, gamma, and delta) make up the L-type channel. The alpha-1 subunit is the binding site for calcium-based antagonists. Dihydropyridine-based calcium antagonists are used as markers for these binding sites.
The calcium salt of oxalic acid, occurring in the urine as crystals and in certain calculi.
The calcium salt of gluconic acid. The compound has a variety of uses, including its use as a calcium replenisher in hypocalcemic states.
Unstable isotopes of calcium that decay or disintegrate emitting radiation. Ca atoms with atomic weights 39, 41, 45, 47, 49, and 50 are radioactive calcium isotopes.
The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.
The rate dynamics in chemical or physical systems.
CALCIUM CHANNELS that are concentrated in neural tissue. Omega toxins inhibit the actions of these channels by altering their voltage dependence.
A chelating agent relatively more specific for calcium and less toxic than EDETIC ACID.
The relationship between the dose of an administered drug and the response of the organism to the drug.
Inorganic or organic compounds that contain sulfur as an integral part of the molecule.
Agents that increase calcium influx into calcium channels of excitable tissues. This causes vasoconstriction in VASCULAR SMOOTH MUSCLE and/or CARDIAC MUSCLE cells as well as stimulation of insulin release from pancreatic islets. Therefore, tissue-selective calcium agonists have the potential to combat cardiac failure and endocrinological disorders. They have been used primarily in experimental studies in cell and tissue culture.
Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.
Organic compounds that have a relatively high VAPOR PRESSURE at room temperature.
The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups.
An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems.
The branch of psychology concerned with psychological methods of recognizing and treating behavior disorders.
The study of normal and abnormal behavior of children.
The science dealing with the study of mental processes and behavior in man and animals.
The branch of psychology concerned with the effects of group membership upon the behavior, attitudes, and beliefs of an individual.
Exploitation through misrepresentation of the facts or concealment of the purposes of the exploiter.
Concept referring to the standardized fees for services rendered by health care providers, e.g., laboratories and physicians, and reimbursement for those services under Medicare Part B. It includes acceptance by the physician.
A vine (Uncaria tomentosa) indigenous to the Amazon rainforest whose name is derived from its hook-like thorns. It contains oxindole alkaloids and glycosides and has many medicinal uses.
A genus known for fibers obtained from their leaves: sisal from A. sisalana, henequen from A. fourcroyoides and A. cantala, or Manila-Maguey fiber from A. cantala. Some species provide a sap that is fermented to an intoxicating drink, called pulque in Mexico. Some contain agavesides.
A neuropsychological disorder related to alterations in DOPAMINE metabolism and neurotransmission involving frontal-subcortical neuronal circuits. Both multiple motor and one or more vocal tics need to be present with TICS occurring many times a day, nearly daily, over a period of more than one year. The onset is before age 18 and the disturbance is not due to direct physiological effects of a substance or a another medical condition. The disturbance causes marked distress or significant impairment in social, occupational, or other important areas of functioning. (From DSM-IV, 1994; Neurol Clin 1997 May;15(2):357-79)
SESQUITERPENES cyclized to one 10-carbon ring.
The main trunk of the systemic arteries.
A class of drugs that act by selective inhibition of calcium influx through cellular membranes.
A family of structurally related neurotoxic peptides from mollusk venom that inhibit voltage-activated entry of calcium into the presynaptic membrane. They selectively inhibit N-, P-, and Q-type calcium channels.
A neurotoxic peptide, which is a cleavage product (VIa) of the omega-Conotoxin precursor protein contained in venom from the marine snail, CONUS geographus. It is an antagonist of CALCIUM CHANNELS, N-TYPE.
The interaction of two or more persons or organizations directed toward a common goal which is mutually beneficial. An act or instance of working or acting together for a common purpose or benefit, i.e., joint action. (From Random House Dictionary Unabridged, 2d ed)
The interaction of persons or groups of persons representing various nations in the pursuit of a common goal or interest.
Acquisition, organization, and preparation of library materials for use, including selection, weeding, cataloging, classification, and preservation.
Systems where the input data enter the computer directly from the point of origin (usually a terminal or workstation) and/or in which output data are transmitted directly to that terminal point of origin. (Sippl, Computer Dictionary, 4th ed)
Ordered compilations of item descriptions and sufficient information to afford access to them.
Products made by baking or firing nonmetallic minerals (clay and similar materials). In making dental restorations or parts of restorations the material is fused porcelain. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Boucher's Clinical Dental Terminology, 4th ed)
A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum.
Synthetic or natural materials for the replacement of bones or bone tissue. They include hard tissue replacement polymers, natural coral, hydroxyapatite, beta-tricalcium phosphate, and various other biomaterials. The bone substitutes as inert materials can be incorporated into surrounding tissue or gradually replaced by original tissue.

Effect of histamine H2-receptor antagonist on the phosphorus-binding abilities of calcium carbonate and calcium lactate in hemodialysis patients. (1/368)

The effect of histamine H2-receptor antagonist (famotidine) on the phosphorus-binding abilities of calcium carbonate and calcium lactate were examined in 13 chronic hemodialysis patients. In seven patients receiving calcium carbonate, famotidine (20 mg/d) was given because of gastroduodenal disorders, and calcium carbonate was replaced with calcium lactate as a phosphorus binder after 4 wk of treatment with famotidine. With the 4-wk administration of famotidine accompanied by calcium carbonate, the serum phosphorus level increased from 6.3+/-0.9 to 7.1+/-0.5 mg/dl (P<0.05). However, with the substitution of calcium lactate, the serum phosphorus level decreased significantly when compared to that before substitution (6.3+/-0.2 and 6.0+/-0.9 mg/dl after 4 and 8 wk of substitution, respectively), despite continued administration of famotidine. Serum calcium, creatinine, alkaline phosphatase, high sensitive parathyroid hormone, blood urea nitrogen, arterial blood pH, and bicarbonate were not significantly altered during the trial period. In six control patients treated with calcium carbonate alone, there were no statistical changes in serum calcium and phosphorus levels after substitution of calcium lactate for calcium carbonate. These results suggest that famotidine significantly affects the phosphorus-binding ability of calcium carbonate, but not that of calcium lactate. A careful observation of changes in the serum phosphorus level should be required in hemodialysis patients receiving calcium carbonate and histamine H2-receptor antagonists. Calcium lactate may be useful as a phosphorus binder in such hemodialysis patients.  (+info)

Intravascular ultrasound combined with Raman spectroscopy to localize and quantify cholesterol and calcium salts in atherosclerotic coronary arteries. (2/368)

Coronary intravascular ultrasound (IVUS) can assess arterial wall architecture and localize large intravascular deposits, but it does not provide quantitative chemical information, which is essential in the evaluation of atherosclerotic lesions. Previously, it has been shown that Raman spectroscopy can be used to accurately quantify the relative weights of cholesterol, calcium salts, triglycerides, and phospholipids in homogenized arterial tissue. In the present study, we explore some benefits of combining IVUS and Raman spectroscopy to evaluate the intact arterial wall. IVUS images were collected in vitro from human coronary arterial segments in various stages of disease (n=7). The images were divided into radial segments (11 to 28 per image, 332 in total), each of which was classified visually as calcified or noncalcified tissue. The arteries were opened longitudinally, and Raman spectra were collected from locations at 0. 5-mm intervals across the arterial luminal circumference. The spectra were used to calculate the chemical composition of the arterial wall at the examined locations. Generally, locations containing large amounts of calcium salts, as determined with Raman spectroscopy, were classified as calcified with IVUS. However, small calcific deposits (<6% of weight) were not readily detected with IVUS. The amounts and location of cholesterol determined with Raman spectroscopy were correlated closely with the presence of cholesterol observed by histochemistry, but these deposits could not be located accurately by IVUS. The combination of Raman spectroscopy and IVUS applied in vitro provides detailed information about the amount and location of calcific deposits and lipid pools in atherosclerotic plaques. Future advances in optical fiber technology may allow simultaneous collection of Raman spectra and IVUS images through the same catheter in vivo.  (+info)

Compound A does not accumulate during closed circuit sevoflurane anaesthesia with the Physioflex. (3/368)

We have investigated inspiratory and end-tidal gas composition during sevoflurane anaesthesia in a closed circle system with continuous gas flow (70 litre min-1, Physioflex) to determine possible accumulation of sevoflurane degradation products. During five abdominal operations in adults lasting more than 2 h, anaesthesia was maintained with an end-tidal concentration of 2% sevoflurane in 40% oxygen-air. The circle included an absorbing canister filled with 1 litre of fresh soda lime. Samples were obtained at the end of an expiration from the tracheal tube and from the inspiratory limb before, and at selected times after, addition of sevoflurane. The temperature of soda lime was 24.7 +/- 0.7 degrees C at the beginning and reached a maximum of 31.2 +/- 1.0 degrees C after 20-30 min, followed by a plateau. Inspiratory compound A (CH2F-O-C(= CF2)(CF3)) 3-8 ppm was detected after 10 min, but did not accumulate in the circle over 2 h without flushing. Expired concentrations were consistently lower with 1.5-3 ppm signalling absorption by patients. Calculated total amounts absorbed over 2 h varied between 2.0 and 7.2 ppm h. Other degradation products such as compound B or methanol were not detected. In summary, we did not detect sevoflurane metabolites with soda lime in significant amounts during closed circle anaesthesia with the Physioflex. The observed concentrations of compound A were below the threshold of nephrotoxicity in rats by a factor of more than 20.  (+info)

Structure of bioactive glass and its application to glass ionomer cement. (4/368)

We prepared a new glass ionomer cement using bioactive CaO-P2O5-SiO2(-MgO) glass and investigated its setting process using FT-IR and MAS NMR analyses. The compressive strengths of the cements depended on the glass composition and a maximum strength of 33.3 +/- 4.7 MPa was obtained using cement with the glass composition of MgO:4.6, CaO:44.9, SiO2:34.2 and P2O5:16.3% in weight. FT-IR analysis showed that the COOH group in the polyacrylic acid decreased and carboxylate ion (COO-Ca2+) increased after the setting reaction. A broad signal appeared around -82 ppm in 29Si MAS-NMR spectra of the glass and a new signal corresponding to hydrated silica gel formation appeared around -102 and -111 ppm after setting. This suggests that Ca2+ was released from the glass powder to form carboxylate salt and that a degree of polymerization in the silicate network increased. The setting mechanism of the cement was found to be essentially the same as in conventional glass ionomer cement.  (+info)

Comparison of compound A concentrations with sevoflurane anaesthesia using a closed system with a PhysioFlex anaesthesia machine vs a low-flow system with a conventional anaesthesia machine. (5/368)

Sevoflurane anaesthesia was conducted using a totally closed circuit PhysioFlex anaesthesia machine (PhysioFlex group) or with a standard Modulus CD anaesthesia machine (Modulus group) (n = 8 in each group). The PhysioFlex was used under closed system conditions and the Modulus was used under low-flow system conditions (flow rate 1 litre min-1). Concentrations of sevoflurane degradation products and the temperature of soda lime were compared. Degradation products in the circuit were measured hourly, and the temperature of soda lime was monitored. The only degradation product detected was CF2 = C(CF3)-O-CH2F (compound A). Maximum concentrations of compound A were significantly lower (median 8.5 (range 5.4-15.9) ppm) in the PhysioFlex than in the Modulus group (21.2 (16.5-27.4) ppm) (P < 0.05). The maximum temperature of soda lime was also significantly lower in the PhysioFlex group (35.3 (32.1-36.3) degrees C vs 44.6 (43.0-47.1) degrees C, respectively) (P < 0.05). Hourly compound A concentrations were lower in the PhysioFlex group than in the Modulus group. End-tidal sevoflurane concentrations during measurement of degradation products were not different between groups. Therefore, use of the totally closed PhysioFlex system may significantly reduce compound A concentrations compared with low-flow anaesthesia using a standard anaesthesia machine.  (+info)

Porous apatite-wollastonite glass-ceramic as an intramedullary plug. (6/368)

We evaluated the efficacy and biocompatibility of porous apatite-wollastonite glass ceramic (AW-GC) as an intramedullary plug in total hip replacement (THR) for up to two years in 22 adult beagle dogs. Cylindrical porous AW-GC rods (70% porosity, mean pore size 200 microm) were prepared. Four dogs were killed at 1, 3, 6 and 12 months each and six at 24 months after implantation. Radiological evaluation confirmed the efficacy of porous AW-CG as an intramedullary plug. Histological evaluation showed osteoconduction at one month and resorption of the porous AW-GC, which was replaced by newly-formed bone, at 24 months. Our findings indicate that porous AW-GC can be used clinically as an intramedullary plug in THR.  (+info)

21st-century endodontics. (7/368)

BACKGROUND: Endodontics as a discipline has offered patients the opportunity to maintain their natural teeth. As the population expands and ages, the demand for endodontic therapy can be expected to increase as patients seek dental options to keep their teeth for a lifetime. CLINICAL IMPLICATIONS: New materials, techniques and instruments are entering the market-place to assist dentists in providing patients with more predictable and reliable endodontic treatment. In addition, these new systems make the delivery of endodontic services more efficient. This article describes these advances in endodontic treatment for dentists interested in incorporating these advances into their clinical practice.  (+info)

Water vapour in a closed anaesthesia circuit reduces degradation/adsorption of halothane by dried soda lime. (8/368)

Dry lime causes a loss of volatile anaesthetics by degrading and adsorbing them. Degradation produces toxic substances and heat. Rehydration of lime stops degradation. If humidified breathing gases rehydrate lime, closed anaesthesia-circuits may reduce the loss of anaesthetics. To test this hypothesis we ventilated a reservoir bag with PhysioFlex-devices using fresh (F) and dried (D) soda lime both in the presence (+H) and absence (-H) of halothane. We measured halothane delivery, humidity, temperature, and lime weight. Halothane was lost for 13 min in D + H. Humidity increased steeper with fresh lime, whereas absorbent weight increased more with dried lime; halothane increased both variables (F + H: 99%, 8 g; F - H: 93%, 6 g; D + H: 58%, 17 g; D - H: 24%, 15 g). Surprisingly, temperature remained constant, probably because of the high gas flow (70 litres min-1) generated inside the Physioflex. These findings indicate rehydration of dried lime by humid gases and a rapid cessation of the loss of halothane in the PhysioFlex.  (+info)

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TY - JOUR. T1 - Mineral trioxide aggregate inhibits osteoclastic bone resorption. AU - Hashiguchi, D.. AU - Fukushima, H.. AU - Yasuda, H.. AU - Masuda, W.. AU - Tomikawa, M.. AU - Morikawa, K.. AU - Maki, K.. AU - Jimi, E.. PY - 2011/7/1. Y1 - 2011/7/1. N2 - Mineral trioxide aggregate (MTA), a commonly used endodontic repair material, is useful for both basic and clinical research, and the effect of MTA on osteoblast differentiation has been well-defined. However, the effects of MTA on osteoclastic bone resorption are not fully understood. Hence, the aim of this study is to examine the effect of MTA solution in the regulation of osteoclast bone-resorbing activity using osteoclasts formed in co-cultures of primary osteoblasts and bone marrow cells. MTA solution dosedependently reduced the total area of pits formed by osteoclasts. The reduction of resorption induced by 20% MTA treatment was due to inhibition of osteoclastic bone-resorbing activity and had no effect on osteoclast number. A 20% MTA ...
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Introduction: The aim of this study was to evaluate the effect of mechanical and manual mixing as well as the effect of ultrasonic agitation during placement on the flexural strength and porosity of mineral trioxide aggregate (MTA). Methods: White ProRoot MTA and white MTA Angelus were used. One gram of each powder was mixed with a 0.34-g aliquot of distilled water. Specimens were mixed either by mechanical mixing of capsules for 30 seconds at 4500 rpm or by a saturation technique and application of a condensation pressure of 3.22 MPa for 1 minute. The mixed slurries of all materials were loaded into 2 × 2 × 25 mm molds for testing flexural strength and 3 × 4 mm molds for evaluation of porosity. Half of the specimens were placed in the stainless steel molds by using indirect ultrasonic activation. All specimens were incubated for 4 days. Micro-computed tomography was used to determine the porosity of each specimen, and a 3-point bending test was used to evaluate flexural strength. Tukey ...
AbstractThe aim of this pilot study was to evaluate the clinical efficacy of mineral trioxide aggregate (MTA) as an apexification material when used in non-vital immature permanent incisors in children. Fifteen children with a mean age of 11.7 years and 17 non-vital permanent incisors were ajudged s
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The purpose of this study was to demonstrate the long-term success that can be achieved by the use of Mineral Trioxide Aggregate (MTA) as a pulp capping agent, demonstrate the simplicity of the procedure, and overcome the commonly held objections of cost, difficult handling characteristics, and the need for two appointments to complete the procedure.;A single visit protocol was utilized in the completion of forty-eight pulp cap procedures with twenty-seven procedures available for recall. The MTA pulp cap was covered with glass ionomer liner and then restored with a bonded composite or amalgam. Teeth were evaluated for sensitivity to percussion, cold testing, and periapical radiograph at follow-up appointments. A success rate of over eighty-five percent was achieved in this study. MTA has been demonstrated to be the material of choice and gold-standard for pulp capping procedures. MTA is biocompatible, less cytotoxic than calcium hydroxide, provides a bioactive benefit and a bacteriostatic seal. The
Calcium Lactate Powder. What Is Calcium Lactate? When to take, benefits, dosages, and customer reviews. Mineral supplements, calcium supplements, calcium lactate powder.
Looking for calcium lactate? Find out information about calcium lactate. Ca 2·5H2O A salt of lactic acid in the form of white crystals that are soluble in water; used in calcium therapy and as a blood coagulant Explanation of calcium lactate
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Feasibility analysis of new project investments for China Calcium Lactate Industry. A analysis of price, market share, and gross margin on the basis of product type, price levels, and applications is done in the price and gross margin analysis section of the China Calcium Lactate market research report.. Topics such as sales and sales revenue overview, production market share by product type, capacity and production overview, import, export, and consumption are covered under the development trend section of the China Calcium Lactate market report.. Price (Single User Licence): $3200. Have any Query Regarding the China Calcium Lactate market Report?? Ask our Experts @ Market Segment by Regions (provinces), covering. South China. East China. Southwest China. Northeast China. North China. Central China. Northwest China. Lastly, the feasibility analysis of new project investment is done in the report, which consist of a detailed SWOT ...
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Calcium salts such as Calcium chloride, Calcium lactate, Calcium lactate gluconate are used in modernist cuisine to produce gels in combination with hydrocolloids that require ions such as calcium to gel. Sodium Alginate, Low Acyl Gellan, Low-methoxyl Pectin and Iota Carrageenan only gel in the presence of ions such as calcium.
Temperature affects the properties of concrete through its effect on the hydration of cement and its associated microstructural development. This paper focuses on the modifications to C-S-H induced by isothermal curing between 5 and 60 degrees C. The results show that as the temperature increases (within the range studied) the C/S ratio of C-S-H changes only slightly, with a higher degree of polymerisation of silicate chains, but there is a significant decrease in its bound water content and an increase of apparent density of 25%. This increase seems to come from a different packing of C-S-H at the nanoscale. As a consequence of these changes, the microstructure of the cement paste is much coarser and porous, which explains the lower final strengths obtained by curing at elevated temperatures. (C) 2013 Elsevier Ltd. All rights reserved.. Keywords: Calcium silicate hydrate (C-S-H) (B) ; Temperature (A) ; Microstructure (B) ; SEM (B) ; BSE. ...
Functions: Thickener. Calcium lactate is a white crystalline salt with formula C6H10CaO6, consisting of two lactate anions H3C-CHOH-CO−2 for each calcium cation Ca2+. It forms several hydrates, the most common being the pentahydrate C6H10CaO6·5H2O. Calcium lactate is used in medicine, mainly to treat calcium deficiencies; and as a food additive with E number of E327. Some cheese crystals consist of calcium lactate. - Wikipedia ...
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Calcium silicate hydrate (C-S-H) is made by mixing calcium hydroxide (portlandite), silica and water at two calcium oxide to silica (C/S) ratios, using nano-silica and silica fume. We investigate how silica particle size influences the rate and extent of formation of C-S-H at room temperature by isothermal calorimetry, thermal analysis, Raman spectroscopy and X-ray diffraction. Rate of reaction increases as silica particle size decreases, and is five times greater with nano-silica than with silica fume. Final composition depends only on initial C/S ratio. Compositions at 28 days are estimated from thermogravimetric and X-ray diffraction data. There is a weak maximum in the reaction rate of nanosilica pastes about 20-30 h after mixing. The overall kinetics is well described by a simple exponential (first-order) reaction model. The early-time reaction rate around the rate maximum is described by an Avrami model.. ...
A method and apparatus for performing a surgical repair may involve fixation of a repair material, such as a ligament or tendon in knee ligament repair procedure, to an internal cortical contact area in a bone. The cortical bone contact area may be located immediately adjacent an opening in the bones surface through which the repair material extends. The repair material may be engaged with the contact area by way of a fixation device, such as a device that is attached to the repair material and functions as a stop member. An illustrative fixation device may include an annular portion with an aperture through with the repair material passes. The repair material may be attached to a securing portion that extends from the annular portion.
A method and apparatus for performing a surgical repair may involve fixation of a repair material, such as a ligament or tendon in knee ligament repair procedure, to an internal cortical contact area in a bone. The cortical bone contact area may be located immediately adjacent an opening in the bones surface through which the repair material extends. The repair material may be engaged with the contact area by way of a fixation device, such as a device that is attached to the repair material and functions as a stop member. An illustrative fixation device may include an annular portion with an aperture through with the repair material passes. The repair material may be attached to a securing portion that extends from the annular portion.
TY - BOOK. T1 - Concrete repair materials. T2 - SILKO-tests 2016. AU - Salparanta, Liisa. N1 - Project code: 109812 VTT-CR-01175-16/EN. PY - 2016. Y1 - 2016. N2 - Replaces report VTT-R-01277-14/ENReplaced with VTT-CR-01600-17/EN. AB - Replaces report VTT-R-01277-14/ENReplaced with VTT-CR-01600-17/EN. KW - concrete. KW - repair. KW - mortar. KW - grout. KW - mastic. KW - patch. KW - screed. KW - sprayed concrete. KW - air-blown. KW - requirements. KW - SILKO. M3 - Report. T3 - VTT Customer Report. BT - Concrete repair materials. PB - VTT Technical Research Centre of Finland. ER - ...
As one of the most promising strategies in chemical process intensification, membrane reactor (MR) technology has attracted considerable worldwide researches in the last three decades, and this subject is still currently undergoing rapid development and innovation. Nevertheless, inorganic MRs such as perovskite MRs have not achieved any large-scale commercial applications, which implies that there are still a lot challenges to their practical applications. In contrast, several novel perovskite membranes and MRs have been developed in recent years. Therefore, this chapter addresses research and development of perovskite MR applications, in which can permeate oxygen and hydrogen at high temperatures. Indeed, in this chapter, is introduced the structure, transport mechanisms, and performance of various perovskite membranes, followed by evaluation of employing perovskite membranes for both oxidative and non-oxidative reactions. In this viewpoint, the perovskite membrane role of either removing a reactant to
The aim of this study was to prepare β-wollastonite using a green synthesis method (autoclaving technique) without organic solvents and to study its bioactivity. To prepare β-wollastonite, the precursor ratio of CaO:SiO2 was set at 55:45. This mixture was autoclaved for 8 h and later sintered at 950 °C for 2 h. The chemical composition of the precursors was studied using X-ray fluorescence (XRF), in which rice husk ash consists of 89.5 wt % of SiO2 in a cristobalite phase and calcined limestone contains 97.2 wt % of CaO. The X-ray diffraction (XRD) patterns after sintering showed that only β-wollastonite was detected as the single phase. To study its bioactivity and degradation properties, β-wollastonite samples were immersed in simulated body fluid (SBF) for various periods of time. Throughout the soaking period, the molar ratio of Ca/P obtained was in the range of 1.19 to 2.24, and the phase detected was amorphous calcium phosphate, which was confirmed by scanning electron microscope with energy
Capping of the exposed pulp is indicated for reversible pulp tissue injury after physical or mechanical trauma in developing or mature teeth.The response to direct pulp capping with materials such as MTA or NEC is the formation of dentin barrier, resulting from the recruitment and proliferation of undifferentiated cells.. Different materials can be used to induce dentinal bridge formation.MTA has been introduced as a proper material to induce dentinal bridge formation,with greater mean thickness of dentinal bridge and less inflammation compared to traditional materials like calcium hydroxide. Although biocompatible, MTA has a poor handling characteristic, delay setting time, off-white color, and it is almost expensive.The Novel Endodontic Cement (NEC) has been introduced to combine reasonable characteristics of MTA with appropriate chemical properties, setting time, color, and handling characteristics.. The extracellular matrix (ECM) of pulp comprises a variety of proteins and polysaccharides, ...
In 2018, Top exporters of Hydraulic lime; excluding calcium oxide and hydroxide of heading no. 2825 to Vietnam were Indonesia ($40.50K , 27,000 Kg), Thailand ($11.44K , 96,001 Kg ...
Calcium oxide is a chemical compound of calcium and oxygen. Its chemical formula is CaO. It is known as quicklime. It is made in a lime kiln. It releases heat when dissolved in water and changes into calcium hydroxide. It is a white powder. It is also a base. It reacts with acids to make calcium salts. Quicklime is an important ingredient of cement ...
For critical insights on this market, request for methodology here Key Developments in the Calcium Acetate Global Market:. Calcium acetate market is developing with its wide scale application in food & beverages, pharmaceuticals, agriculture, and pet food driven by the expanding market of calcium supplement food.. Calcium acetate is also approved for use by other international regulatory bodies for use in food for different technical effects and food applications. The use of calcium acetate is so broad, these regulatory bodies permit its use consistent with good manufacturing practice.. Global Calcium Acetate Market - Key Players:. The key market players identified in the global calcium acetate Market are VASA PhamaChem, Qingdao BCD Fine Chemical, Merck Millipore, Avantor Performance Materials, Shanxi Fu Rongfu Chemical, Wuxi Yangshan Biochemical, Tengzhou Tenglong, Penglai Marine Bio-Tech, Wuxi Unisen, Anhui Hongyang Chemical, Allan ...
Calcium oxide is used as a catalyzer in many applications such as CO2 sequestration and biodiesel production and the degree of surface hydroxylation is a key factor in its catalytic performance The results show that the water dissociates very fast on CaO {001} bare surfaces without any defect or vacancy The surface structure is maintained up to a certain amount of water after which the Get More ...
Calcium oxide, also called quicklime, is a chemical compound used in many different industries for different applications. In the metallurgy and steel indu
calcium oxide, 10-40 mm granules, laborvegyszerek, vegyszerek, gyógyszeralapanyagok, fertõtlenítõszerek és vegyipari termékek gyártása és kereskedelme
Calcium oxide - Wikipedia, the free encyclopedia From what I find in this article, it looks like you can scrub CO2 from the air simply by heating and
Research shows small amounts of calcium oxide can neutralize the acid in distillers grains, a commonly used alternative to corn in many livestock feed mixes.
Masoud Parirokh and Mahmoud Torabinejad. Introduction 284. Portland Cement (PC) 285. Chemical composition 285. Physical properties 286. Antibacterial activity 287. Sealing ability 288. Biocompatibility 288. Cell culture studies 288. Subcutaneous implantation 288. In vivo investigations 289. Clinical applications 289. Limitations 289. Angelus MTA 291. Chemical composition 291. Physical properties 292. Antibacterial activity 293. Sealing ability 293. Biocompatibility properties 293. Cell structure studies 293. Subcutaneous implantation 294. Intraosseous implantation 294. In vivo investigations 294. Clinical applications 295. Bioaggregate (BA) 295. Chemical composition 295. Physical properties 296. Antibacterial activity 296. Sealing ability 296. Biocompatibility 296. Cell culture studies 296. Biodentine (BD) 297. Chemical composition 297. Physical properties 297. Biocompatibility and clinical applications 297. iRoot 298. Chemical composition 298. Physical properties 298. Biocompatibility ...
The Effect of Coadminstration of Nicotinamide and Calcium-based Phosphate Binder on Hyperphophatemia in Patients Undergoing Hemodialysis
The crystal structure of the [email protected] hybrid film was further analyzed by TEM (fig. S6, A to H). All TEM images were captured at a region distant from the focused beam position because of the vulnerability of the CsPbI2Br perovskite to radiolysis when exposed to the 200-keV electron beam (fig. S6D) (49). The TEM images in fig. S6 (B and E) were obtained by adjusting electron-beam focusing at BPQDs and beyond dot positions. The distribution of lattice domains shows a clear BPQDS/CsPbI2Br core-shell structure by combining HRTEM images in fig. S6 (C and F). As the ratio of BPQD to perovskite decreases, the thickness of perovskite shell onto the BPQD gradually increases until it wraps the core (inset in fig. S6F), and finally forms a continuous matrix with BPQDs embedded inside (fig. S6G). The HRTEM image (fig. S6H) further shows a clear lattice interface between perovskite and QDs, indicating good compatibility among the two components. The lattice spacings of 0.29 and 0.26 nm are consistent ...
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Calcium aluminates are a range of minerals obtained by heating calcium oxide and aluminium oxide together at high temperatures. They are encountered in the manufacture of refractories and cements. The stable phases shown in the phase diagram (formed at atmospheric pressure under an atmosphere of normal humidity) are: Tricalcium aluminate, 3CaO·Al2O3 (C3A) Dodecacalcium hepta-aluminate, 12CaO·7Al2O3 (C12A7) (mayenite) Monocalcium aluminate, CaO·Al2O3 (CA) Monocalcium dialuminate, CaO·2Al2O3 (CA2) Monocalcium hexa-aluminate, CaO·6Al2O3 (CA6) In addition, other phases include: Dicalcium aluminate, 2CaO·Al2O3 (C2A), which exists only at pressures above 2500 MPa. The crystal is orthorhombic, with density 3480 kg·m−3. Pentacalcium trialuminate, 5CaO·3Al2O3 (C5A3), forms only under an anhydrous and oxygen free atmosphere. The crystal is orthorhombic, with a density of 3067 kg·m−3. It reacts rapidly with water. Tetracalcium trialuminate, 4CaO·3Al2O3 (C4A3), is a metastable phase formed by ...
The Global Calcium Acetate (Cas 62-54-4) Industry report gives a comprehensive account of the Global Calcium Acetate (Cas 62-54-4) market. Details such as the size, key players, segmentation, SWOT analysis, most influential trends, and business environment of the market are mentioned in this report. Furthermore, this report features tables and figures that render a clear perspective of the Calcium Acetate (Cas 62-54-4) market.. Download Free Sample Report @ The report features an up-to-date data on key companies product details, revenue figures, and sales. Furthermore, the details also gives the Global Calcium Acetate (Cas 62-54-4) market revenue and its forecasts. The business model strategies of the key firms in the Calcium Acetate (Cas 62-54-4) market are also included. Key strengths, weaknesses, and threats shaping the leading players in the market have also been included in this research report.. The report gives a detailed ...
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Calcium aluminate cements are cements consisting predominantly of hydraulic calcium aluminates. Alternative names are aluminous cement, high-alumina cement and Ciment fondu in French. They are used in a number of small-scale, specialized applications. The method of making cement from limestone and low-silica bauxite was patented in France in 1908 by Bied of the Pavin de Lafarge Company. The initial development was as a result of the search for a cement offering sulfate resistance. The cement was called in the French Ciment fondu. Subsequently, its other special properties were discovered, and these guaranteed its future in niche applications. The main active constituent of calcium aluminate cements is monocalcium aluminate (CaAl2O4, CaO · Al2O3, or CA in the cement chemist notation). It usually contains other calcium aluminates as well as a number of less reactive phases deriving from impurities in the raw materials. Rather a wide range of compositions is encountered, depending on the ...
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Principal Investigator:OGISO Bunnai, Project Period (FY):2003 - 2004, Research Category:Grant-in-Aid for Scientific Research (C), Section:一般, Research Field:Conservative dentistry
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Looking for common limes? Find out information about common limes. see calcium oxide calcium oxide, chemical compound, CaO, a colorless, cubic crystalline or white amorphous substance. It is also called lime, quicklime, or... Explanation of common limes
The normal development and maturation of a root depends on a vital, healthy pulp. If the pulp becomes necrotic in a tooth with an immature apex, endodontic treatment can be performed using an artificial barrier technique. Mineral trioxide aggregate (MTA) has become the material of choice to accomplish this procedure, however, few studies have evaluated its clinical success. The purpose of this retrospective study was to determine the clinical success of ProRoot MTA used as an artificial apical barrier. Twenty patients were included in this study. After approximately one week of Ca(OH)2 treatment, each patient had MTA placed as an apical barrier in a tooth with a single canal and open apex followed by placement of a final restoration. Patients were recalled and evaluated for clinical signs and symptoms and osseous healing. Immediate post-treatment and recall radiographs were evaluated by two endodontists calibrated for use of the Periapical Index (PAI ...
Zhengzhou Dengfeng Smelting Materials. The Global Calcium Aluminate Industry provides a basic overview of the industry including definitions, classifications, applications and industry chain structure. The Calcium Aluminate market analysis is provided for the international markets including development trends, competitive landscape analysis, and key regions development status.. Development policies and plans are discussed as well as manufacturing processes and cost structures are also analyzed. This report also states import/export consumption, supply and demand Figures, cost, price, revenue and gross margins.. The Global Calcium Aluminate Industry focuses on global major leading industry players providing information such as company profiles, product picture and specification, capacity, production, price, cost, revenue and contact information. Upstream raw materials and equipment and downstream demand analysis is also carried out. The Calcium Aluminate industry development trends and marketing ...
Silicon compounds and calcium compounds. Reactions of metals with non-metals. Pollution and steps to combat pollution. ... Chemical elements, compounds and mixtures. Electrochemistry. Testing for results of biological processes. The composition of ...
Acid calcium phosphate. Calcium acid phosphate. Calcium diorthophosphate. Calcium biphosphate. Calcium superphosphate. ... Monocalcium phosphate is an inorganic compound with the chemical formula Ca(H2PO4)2 ("AMCP" or "CMP-A" for anhydrous ... Calcium dihydrogen phosphate is used in the food industry as a leavening agent, i.e., to cause baked goods to rise. Because it ... Material of relatively high purity, as required for baking, is produced by treating calcium hydroxide with phosphoric acid: Ca( ...
... (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca(OH)2. It is a ... which decomposes calcium hydroxide into calcium oxide and water.[7] Ca(OH)2 → CaO + H2O. Structure, preparation, occurrence[ ... "MSDS Calcium hydroxide" (PDF). Archived from the original (PDF) on 25 March 2012. Retrieved 21 June 2011.. Cite uses deprecated ... Calcium hydroxide is produced commercially by treating lime with water: CaO + H2O → Ca(OH)2. In the laboratory it can be ...
... (or calcium sulphate) is the inorganic compound with the formula CaSO4 and related hydrates. In the form of γ- ... Another calcium compound, calcium hydroxide (Ca(OH)2, portlandite) also exhibits a retrograde solubility for the same ... "Compound Summary for CID 24497 - Calcium Sulfate". PubChem.. *^ Titus, Harry W.; McNally, Edmund; Hilberg, Frank C. (1933-01-01 ... The main use of calcium sulfate is to produce plaster of Paris and stucco. These applications exploit the fact that calcium ...
Calcium difluoride is a notable compound. In the form of the mineral fluorite it is the major source of commercial fluorine. It ... Difluorides are chemical compounds with two fluorine atoms per molecule (or per formula unit). Metal difluorides are all ionic ... ISBN 0-8493-0566-7. This set index page lists chemical compounds articles associated with the same name. If an internal link ... Beryllium difluoride Magnesium fluoride Calcium fluoride Strontium difluoride Barium fluoride Radium fluoride Samarium ...
"Compound Summary for CID 24497 - Calcium Sulfate". PubChem. "CDC - NIOSH Pocket Guide to Chemical Hazards - Gypsum". www.cdc. ... Calcium sulfate per se is nontoxic and is even approved as a food additive, but as powdered gypsum, it can irritate skin and ... "Calcium sulphate for the baking industry" (PDF). United States Gypsum Company. Archived from the original (PDF) on 4 July 2013 ... Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4·2H2O. It is widely ...
... as well as mixed compounds such as calcium titanium tiron. Barzily, I; Yaalon, D. H; Avinur, P (1967). "The Mixed Compounds of ... Tiron (trade name; systematic name disodium 4,5-dihydroxy-1,3-benzenedisulfonate) is a chemical compound used for its ability ... Calcium and Titanium With Tiron. I". Israel Journal of Chemistry. 5 (6): 289-298. doi:10.1002/ijch.196700050. v t e. ...
Examples include calcium, zinc, manganese, phosphate, fluoride and sodium compounds. Water generated from the biochemical ...
Hard water contains dissolved compounds, usually calcium or magnesium compounds. Sodium carbonate is used for removing ... This "soda glass" is mildly water-soluble, so some calcium carbonate is added to the melt mixture to make the glass insoluble. ... see glass manufacture) It is used in the manufacture of sodium compounds like borax Sodium carbonate serves as a flux for ... As sodium carbonate is water-soluble and magnesium carbonate and calcium carbonate are insoluble, so it is used to soften water ...
Examples include calcium, zinc, manganese, phosphate, fluoride and sodium compounds. Water generated from the biochemical ... trace organic compounds, total suspended solids (TSS), and turbidity. Microbiological parameters include coliform bacteria, E. ...
The reaction is catalyzed by magnesium-, aluminium-, or calcium-organoelement compounds. To prevent coagulation of polymer ... PEG is often used (as an internal calibration compound) in mass spectrometry experiments, with its characteristic fragmentation ... Polyethylene glycol (PEG; /ˌpɒliˈɛθəlˌiːn ˈɡlaɪˌkɒl, -ˌkɔːl/) is a polyether compound derived from petroleum with many ...
Pure calcium was isolated in 1808 via electrolysis of its oxide by Humphry Davy, who named the element. Calcium compounds are ... Other calcium preparations include calcium carbonate, calcium citrate malate, and calcium gluconate.[5] The intestine absorbs ... Calcium Forte)(Calcium Lactate Gluconate 2.94g +Calcium Carbonate 0.3 g) کاربرد کلسیم در کشاورزی(نقش در تغذیه گیاهی)[ویرایش]. ... The most common calcium compound on Earth is calcium carbonate, found in limestone and the fossilised remnants of early sea ...
Similarly, the compound also stimulates increases in calcium ion concentration in muscle. The pharmacokinetic parameter for ...
Some other compounds contain calcium and a rare earth CaRE3BiO4, and Ca2RE8Bi3O10. Some of these compounds are superconductors ... and could be considered as a mixed bismuthide-oxide compound. So a compound with OmBin requires cations to balance a negative ... They are in the category of oxypnictide compounds. Many of the bismuthide oxides have bismuth in an unusual -2 oxidation state ... Oxybismuthides or bismuthide oxides are chemical compounds formally containing the group BiO, with one bismuth and one oxygen ...
The substrate is sand covered in muck, often with calcium compounds below. It also appears to require a narrow pH range that is ... It is restricted to a specific type of habitat (wet areas with a calcium-containing substrate), and one that is being degraded ...
The NASA Phoenix lander first detected chlorine-based compounds such as calcium perchlorate. The levels detected in the Martian ... as well as hints of organic compounds. However, terrestrial contamination, as the source of the organic compounds, could not be ... These compounds are also toxic to plants. A 2013 terrestrial study found that a similar level of concentration to that found on ... Martian soil is toxic, due to relatively high concentrations of perchlorate compounds containing chlorine. Elemental chlorine ...
Common macronutrients analyzed include compounds of nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. Soil is ...
Hydroxyapatite is a compound of calcium phosphate being arranged in a hexagonal structure. It bonds well chemically with bones ...
Calcium oxalate is a common compound found in many fungi, including the earthstars. Curtis Gates Lloyd was the first to note ... A study has shown that the formation of calcium oxalate crystals on the hyphae that form the endoperidial layer of the ... Horner HT, Tiffany LH, Cody AM (1983). "Calcium oxalate bipyramidal crystals on the basidiocarps of Geastrum minus ( ... Whitney, Kenneth D; Arnott, Howard J (1986). "Morphology and development of calcium oxalate deposits in Gilbertella persicaria ...
... is a chemical compound that functions as a calcium channel agonist. Bay K8644 is used primarily as a biochemical ... Bay K8644 targets voltage-sensitive dihydropyridine (DHP) calcium channels (L-Type). It is the first positive inotropic agent ... that enhances calcium currents in guinea pig and calf myocardial cells. A new type of positive inotropic agent". Circ Res. 56 ( ... shown to act specifically and directly on calcium channels. (±)-Bay K8644 at Sigma-Aldrich CID 2303 from PubChem Thomas, G; ...
... but attempts to prepare the compound CaBN analogous to CaC2 calcium carbide failed. The bonding of compounds containing the ... Meyer, H. Jurgen (2006). "Chapter 8: Current State on (B,C,N) compounds of Calcium and Lanthanum". In Meyer, Gerd; Naumann, ... Many of the compounds produced can be described as ternary compounds of metal boron and nitrogen and examples of these are ... The bonding in some of these compounds is ionic in character, such as Ca3[BN2]2, other compounds have metallic characteristics ...
Additionally, spiperone was identified by compound screening to be an activator of Ca2+ activated Cl− channels (CaCCs), thus a ... Activates Calcium Dependent Chloride Secretion in the Airway". Am J Physiol Cell Physiol. 296 (1): C131-41. doi:10.1152/ajpcell ... Liang L, Macdonald KD, Schwiebert EM, Zeitlin PL, Guggino WB (October 2008). "Spiperone, Identified through Compound Screening ...
Representative minerals include borax, sodium nitrate, sodium, iodine, calcium, bromine, and strontium compounds. These ...
The calcium acetylide commonly called calcium carbide is a major compound of commerce. Alkali metal and alkaline earth metal ... Calcium carbide is prepared by heating carbon with lime CaO at approximately 2,000 °C. A similar process is used to produce ... Acetylide refers to chemical compounds with the chemical formulas MC≡CH and MC≡CM, where M is a metal. The term is used loosely ... Evidence for this ionic character can be seen in the ready hydrolysis of these compounds to form acetylene and metal oxides, ...
Most stones are compounds containing calcium such as calcium oxalate and calcium phosphate. The first recommended investigation ...
For the chemical compound, see Calcium silicate.. AAA batteries. D, C, AA, AAA, AAAA, 9-Volt batteries ...
Calcium oxalate is a common crystalline compound found in many fungi, including the earthstars. The presence of calcium oxalate ... The formation of calcium oxalate crystals stretches the layers of the outer walls, pushing apart the inner and outer layers of ... The calcium oxalate crystals occur in the tetragonal form, known as weddellite. A study on the related species Geastrum ... Like several other earthstars, crystals of calcium oxalate are found on G. pectinatum, and are thought to be involved in fruit ...
Examples of such compounds are sodium hydroxide NaOH and calcium hydroxide Ca(OH)2. Owing to the high electronegativity of ... In that case, the bond between the oxygen and hydrogen atom is weak, and the compound ionizes easily in the way of the former ... In this case, the compound XOH is an acid, because it releases a proton, that is, a hydrogen ion. For example, nitrogen, sulfur ... If the electronegativity of X is somewhere in between, the compound can be amphoteric, and in that case it can dissociate to ...
These compounds were discovered in the 1980s as calcium and rare earth element salts. Minerals in this class were later ... To make calcium sulfite sulfate, a soluble calcium salt is added to a mixed solution of sodium sulfite and sodium sulfate. ... STRUCTURE AND STABILITY OF THE NEW COMPOUND Ca 3 (SO 3 ) 2 SO 4 ·12H 2 O AND ITS SOLID SOLUTION IN CALCIUM SULFITE TETRAHYDRATE ... Calcium sulfite sulfate hydrate is formed in flue gas scrubbers that attempt to remove sulfur dioxide from coal burning ...
Strontium acetate and strontium chloride: These compounds share a similar chemical structure to calcium. Strontium based ... calcium sodium phosphosilicate toothpaste and an 8% arginine/calcium carbonate toothpaste - for the longer-term relief of ... Sensodyne has removed the calcium sodium phosphosilicate from their US products.[citation needed] Sensodyne is a brand of ... Some Sensodyne products contain calcium sodium phosphosilicate CSPS (Novamin), which appears to help with tooth sensitivity. A ...
After much research, in March, 1990, researchers under Reider received a patent to synthesize part of L-689, 502 compound. ... In January 1992, researchers synthesized indinavir sulfate (Crixivan), which was assigned compound number L-735,524. They ...
Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine ... Patnaik, Pradyot (2003). Handbook of Inorganic Chemical Compounds. McGraw-Hill. pp. 444-446. ISBN 0-07-049439-8. . Retrieved ... Heiserman, David L. (1992). "Element 39: Yttrium". Exploring Chemical Elements and their Compounds. New York: TAB Books. pp. ... Once reached a human, scandium concentrates in the liver and is a threat to it; some its compounds are possibly carcinogenic, ...
Compound leaves are a characteristic of some families of higher plants, such as the Fabaceae. The middle vein of a compound ... Cote, G. G. (2009). "Diversity and distribution of idioblasts producing calcium oxalate crystals in Dieffenbachia seguine ( ... This is due to the presence of a compound called chlorophyll. This compound is essential for photosynthesis as it absorbs light ... A compound leaf has a fully subdivided blade, each leaflet of the blade being separated along a main or secondary vein. The ...
Calcium-sensitive dyes have shown that internal concentrations of calcium increase during bursts. The activation of different ... Several synthetic compounds have been shown to act on neurons specific to the preBötC, most being selective agonists or ... Other research has also suggested that calcium flow through N-type calcium channels is essential for normal breathing, and is ... voltage gated calcium channels become activated and calcium is able to flow into the cell which usually leads to the release of ...
botrytis) contains beta-carotene as the orange pigment, a provitamin A compound. This orange trait originated from a natural ... Boiling reduces the levels of cauliflower compounds, with losses of 20-30% after five minutes, 40-50% after ten minutes, and 75 ... have no significant effect on the compounds.[22] ...
Calcium Scandium Titanium Vanadium Chromium Manganese Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine ... "New Type of Zero-Valent Tin Compound". ChemistryViews. 27 August 2016.. *↑ "HSn". NIST Chemistry WebBook. National Institute of ... Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and ...
The scientific Latin term octopus was derived from Ancient Greek ὀκτώπους or ὀκτά-, a compound form of ὀκτώ (oktō, "eight") and ... and an enzyme in the toxic saliva is used to dissolve the calcium carbonate of the shell. It takes about three hours for O. ...
Kendall EC (1915). "The isolation in crystalline form of the compound containing iodin, which occurs in the thyroid: Its ... levothyroxine is a chiral compound in the L-form. ... Docusate calcium. *Dodecylbenzenesulfonic acid. *Dronabinol. * ...
Conifer is a Latin word, a compound of conus (cone) and ferre (to bear), meaning "the one that bears (a) cone(s)". ... calcium, magnesium, and sulfur, all used in relatively large amounts (Buckman and Brady 1969).[31] Nutrient concentrations in ... Ammonium nitrogen was shown to foster arginine and amides and lead to a large increase of free guanidine compounds, whereas in ... leaves nourished by nitrate as the sole source of nitrogen guanidine compounds were less prominent. Durzan and Steward noted ...
The composite nature of bone, comprising one-third organic (mainly protein collagen) and two thirds mineral (calcium phosphate ... humic compounds) break down due to the increase in temperature and pressure. This transformation occurs in the first few ... Diagenesis alters the proportions of organic collagen and inorganic components (hydroxyapatite, calcium, magnesium) of bone ...
... is the sodium salt of the coordination compound of formula [Fe(CN)6]4−. In its hydrous form, Na4Fe(CN)6 · ... Sodium ferrocyanide is produced industrially from hydrogen cyanide, ferrous chloride, and calcium hydroxide, the combination of ... "Cyano Compounds, Inorganic". Ullmann's Encyclopedia in Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a08_159. ... which affords Ca2[Fe(CN)6].11H2O. A solution of this salt is then treated with sodium salts to precipitate the mixed calcium- ...
Cell Calcium. 40 (1): 23-8. PMID 16687172. doi:10.1016/j.ceca.2006.03.004.. ... The sigma-2 receptor agonist PB28 inhibits calcium release from the endoplasmic reticulum of SK-N-SH neuroblastoma cells". ...
Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine ... Compounds with the group 13 elementsEdit. The intermetallic compounds of the alkali metals with the heavier group 13 elements ( ... CompoundsEdit. The alkali metals form complete series of compounds with all usually encountered anions, which well illustrate ... Caesium compounds are rarely encountered by most people, but most caesium compounds are mildly toxic. Like rubidium, caesium ...
Calcium Scandium Titanium Vanadium Chromium Manganese Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine ... Cloke, F. Geoffrey N. (1993). "Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides". Chem. Soc. Rev. 22: ...
Volatile organic compounds recovery (solvent recovery systems, SRU) from flexible packaging, converting, coating, and other ... calcium chloride 25%, and zinc chloride 25% ). The carbon is then subjected to lower temperatures (250-600 °C). It is believed ... Volatile organic compounds capture from painting, dry cleaning, gasoline dispensing operations, and other processes ... Aizpuru A, Malhautier L, Roux JC, Fanlo JL (2003). "Biofiltration of a mixture of volatile organic compounds on granular ...
Several medium and heavy elements like calcium, titanium, chromium, manganese, iron, cobalt, copper and zinc have been reported ... which predicts that the compound nucleus decays predominantly by particle emission [first two branches], as opposed to ...
Calcium perchlorate - Ca(ClO4)2. *Calcium permanganate - Ca(MnO4)2 ... Although most compounds are referred to by their IUPAC systematic names (following IUPAC nomenclature), "traditional" names ... Inorganic Molecules made thinkable, an interactive visualisation showing inorganic compounds for an array of common metal and ... Retrieved from "" ...
A few minerals are chemical elements, including sulfur, copper, silver, and gold, but the vast majority are compounds. The ... "Kinetics of Growth of Columnar Triclinic Calcium Pyrophosphate Dihydrate Crystals". Crystal Growth & Design. 1 (6): 463-466. ...
The products in this category may also optionally contain up to 625 milligrams of calcium.. Milk macaroni products - the same ... For example, the works of the 2nd century AD Greek physician Galen mention itrion, homogeneous compounds made of flour and ... Additionally products in this category may optionally contain added vitamin D, calcium or defatted wheat germ, each within ... Additional optional ingredients that may be added include vitamin D, calcium, and defatted wheat germ. The optional ingredients ...
Calcium dipicolinate, the calcium salt of dipicolinic acid, is incorporated into the forespore during this time. The ... quaternary ammonium compounds and detergents have little effect on endospores. However, sterilant alkylating agents such as ... Up to 20% of the dry weight of the endospore consists of calcium dipicolinate within the core, which is thought to stabilize ... Dipicolinic acid could be responsible for the heat resistance of the spore, and calcium may aid in resistance to heat and ...
His advisor was David Cornwell, a lipid biochemist, so Deamer focused on calcium interactions with fatty acid and phospholipid ... Deamer, D.W. (1985). "Boundary structures are formed by organic compounds of the Murchison carbonaceous chondrite". Nature. 317 ... which supported research at the Australian National University in Canberra to investigate organic compounds in the Murchison ... and in 1985 Deamer demonstrated that the Murchison carbonaceous meteorite contained lipid-like compounds that could assemble ...
... s can also have different effects from person to person, and this is further compounded by the problem of potential ... Ayurvedic tea has also been found to contain nutrients including calcium, potassium, vanadium, iron, manganese, selenium and ...
... compounds utilising fly ash in the slurry mix is cheaper still, and has less environmental impact. Foam concrete ... as the calcium carbonate in the concrete acts as a flux.[15] ...
Not that we are entitled to affirm, that these substances we consider as simple may not be compounded of two, or even of a ... Here, Döbereiner found that strontium's properties were intermediate to those of calcium and barium. ... His 1863 publication included a chart (which contained ions and compounds,[12] in addition to elements), but his original paper ... and we ought never to suppose them compounded until experiment and observation has proved them to be so." ...
The term "additives" in polymer science refers to the chemicals and compounds added to the polymer base to modify its material ... in which calcium carbonate chalk, talc, glass fibers or carbon fibers have been added for added strength, bulk, or ... Polymers are chemical compounds made up of a large number of identical components linked together like chains. They are an ... Often the presence, absence, or variation of minute quantities of secondary elements and compounds in a bulk material will ...
Some species, like Kalanchoe daigremontana, produce allelopathic compounds, that might have an inhibitory effect on competing ... calcium ratio, and possible heavy metal toxicity. Plant populations on these soils tend to show low density, but goatgrass can ... Invasive species might alter their environment by releasing chemical compounds, modifying abiotic factors, or affecting the ...
Calcium chloride Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa ... Seidell, Atherton; Linke, William F. (1919). Solubilities of Inorganic and Organic Compounds (2nd ed.). New York: D. Van ... ప్రయోగశాలలో/పరిశోధనశాలలో R2Cd రకానికి చెందిన సేంద్రియకాడ్మియం సమ్మేళనాలు(organoCadmium compounds) తయారుచేయుటకు కాడ్మియం ...
... as a compound or mixture of compounds), such as calcium (as calcium carbonate, calcium citrate, etc.) or magnesium (as ... Strontium has been found to be involved in the utilization of calcium in the body. It has promoting action on calcium uptake ... as compounds), a combination of vitamins and/or other chemical compounds, or a single element ( ... Calcium 01200.0001200 2500; 2500 Quantity Needed for muscle, heart and digestive system health, builds bone, supports synthesis ...
The compound is often used as a carrier for the chromium ions. One such case is the use of barium chromate as a sulfate ... Kühn, H. and Curran, M., Strontium, Barium and Calcium Chromates, in Artists' Pigments. A Handbook of Their History and ... In 2010, a study was conducted on four hexavalent chromium compounds to test the carcinogenic effects of chromium. The chromium ... Kühn, H. and Curran, M., Strontium, Barium and Calcium Chromates, in Artists' Pigments. A Handbook of Their History and ...
The plant contains aristolochic acid, a carcinogenic compound.[36] The United States Food and Drug Administration warns that ... as the major pungent compound.[41] Zingerone is produced from gingerols during drying, having lower pungency and a spicy-sweet ...
Calcium, one of the alkaline earth metals, chemical symbol Ca, atomic number 20, the most abundant metallic element in the ... Compounds. The most important calcium compound is calcium carbonate, CaCO3, the major constituent of limestone, marble, chalk, ... Calcium does not occur naturally in the free state, but compounds of the element are widely distributed. One calcium compound, ... calcium-42 (0.65 percent), and, in smaller proportions, calcium-48, calcium-43, and calcium-46. Calcium-48 undergoes double ...
... calcium: Compounds: Calcium hydroxide, also called slaked lime, Ca(OH)2, is obtained by the action of water on calcium oxide. ... In calcium: Compounds. Calcium hydroxide, also called slaked lime, Ca(OH)2, is obtained by the action of water on calcium oxide ... 2SiO2 · 3H2O) and calcium hydroxide (Ca[OH]2). These compounds are given the shorthand notations C-S-H (represented by the ... a saturated water solution of calcium hydroxide into the matrix of a calcium-based stone (such as limestone or marble). Once ...
Using the CLSs SXRMB beamline, Cerrutis team has discovered the presence of early stage calcium phosphate minerals in the ... states that an effective strategy to prevent vascular calcification may involve intervening at the stage where calcium ...
... calcium they think of what is in milk and other dairy p... ... Read this full essay on How did calcium compounds affect the ... A calcium compound is basically when calcium has been combined with two or more elements. For example calcium hydroxide ( Ca(OH ... How Did Calcium Compounds Affect The World?. 906 words - 4 pages When most people hear the word calcium they think of what is ... Limestone is probably the most important calcium compound. Because of the metallic properties of Calcium, lots of valence ...
Pages in category "Calcium compounds". The following 48 pages are in this category, out of 48 total. ... Retrieved from "" ...
The modes of action of these compounds were compared with those of the more commonly used calcium entry blockers. Calcium ... The effects of HA compound calcium antagonists on delayed cerebral vasospasm in dogs.. Takayasu M, Suzuki Y, Shibuya M, Asano T ... The intracellular calcium antagonists of the HA compound group appear to be promising agents for the treatment of intractable ... The magnitude of the vasospasm and the effects of the HA compounds were determined angiographically. On SAH Day 7, a ...
Pages in category "Calcium compounds". The following 2 pages are in this category, out of 2 total. ...
Calcium Compounds Chemicals Manufacturers in Alabama. Find contact details and Send RFQs. ... Visit for accurate listings of Calcium & ... Get a Free Quote from Calcium & Calcium Compounds Chemicals ... Calcium & Calcium Compounds Chemicals - Companies Serving: All States. Alabama AL (1). Arkansas AR (1). California CA (1). ... Calcium & Calcium Compounds Chemicals local companies in Alabama AL. - Displaying 1 of 1 ...
... calcium hydroxide, calcium citrate, calcium malate, calcium lactate, calcium chloride, calcium glycerophosphate or calcium ... calcium hydroxide, calcium citrate, calcium malate, calcium lactate, calcium chloride, calcium glycerophosphate or calcium ... calcium citrate) or another calcium salt. It may be advantageous to mix the acid with an alkaline calcium salt such as calcium ... Use of calcium as a tooth erosion inhibitor in an acidic liquid composition for oral use by adding a calcium compound to the ...
Calcium combines with different molecules to provide certain benefits. Find out more about these combinations and what they can ... One example of a calcium salt is calcium carbonate. It is a combination of calcium, carbon and oxygen.. Calcium carbonate is a ... Since calcium is rarely found in its pure form in nature, it binds with other molecules to form calcium compounds. Calcium ... Calcium Citrate. This calcium salt is combines citric acid and calcium. Citric acid is a substance found in fruits and ...
Marine, calcium channel antagonist compounds for treating cardiovascular diseases. Other Titles: Compuestos marinos ... EN] The present invention relates to a mixture of crambescidins with a powerful calcium channel antagonist effect. The present ... La presente invención se refiere una mezcla de crambescidinas con un potente efecto antagonista sobre los canales de calcio. ... method for extracting an extract of crambescidins and to the use of the extract to prepare a medicament that acts as a calcium ...
Sanividol Compound indications, usages and related health products lists ... Sanividol Compound information about active ingredients, pharmaceutical forms and doses by Panjon Pharma, ... Available forms, composition and doses of Sanividol Compound:. *Tonic; Oral; Calcium Hypophosphite 20 mg; Creosote 0.001 ml; ... Calcium Hypophosphite*Creosote*Glucose*Guaifenesin*Iron (Iron Choline Citrate)*Malt Extract*Manganese (Manganese Citrate)* ...
Inhibition of Calcium signaling with compounds from CherryPick01 tested with FuraRed. ...
Sample records for COMPUESTOS DE CALCIO (calcium compounds). from Sample records 1 - 20 shown. Select ... Recubrimientos de quitosano/fosfato de calcio obtenidos por electrodeposición sobre una aleación de titanio/ Chitosan/calcium ... and they showed effects that are characteristic of calcium antagonist compounds, although with less potent action than ... The inhibition of calcium L current depended o (mas) n the potential, with an increase of the action potential in more than one ...
The compound, containing ruthenium, enables to detect, identify, and isolate CaBPs involved in cellular signaling and ... The compound is employed for diagnosing a disorder associated with CaBPs defects. ... A fluorescent compound exhibiting a high affinity to calcium-binding proteins (CaBP) is provided. ... EN) A fluorescent compound exhibiting a high affinity to calcium-binding proteins (CaBP) is provided. The compound, containing ...
Addn. compds. of chloramphenicol palmitate (I) and Ca pantothenate (II) are prepd. by melting together stoichiometric amts. of I and II. Thus, 2246g. I and 476g. II are heated at under N with stirring 30 min. The obtained cold mass is then crushed and sieved to yield 4:1 adduct (III), 96%, m. (.alpha.) (MeOH), (EtOH 80%-H2O 20%). The antibiotic activity of III is that of the I contained. The ir spectrum of III is given and is different from the spectrum of an intimate mixt. of 4 moles of I and 1 mole of II. III is stable in nonpolar solvents (32 g./l. ether) and gives polymorphic crystals, m. (H2O). Other complexes (2:1 and 1:1) are obtained by the same method ...
... suspended calcium (hydr)-oxide in the presence of carbon dioxide or carbonate; and to the use of these compounds. The resulting ... drying and/or grinding.The resulting compounds can be used as fillers or as extra white pigments for producing and surface- ... The invention relates to the production of calcium compounds containing water of crystallization by means of a chemical ... As calcium compound(s) preferably chalk milk (chalk hydrate or Ca(OH.sub.2)) or burnt chalk (CaO) is used.. The calcium ...
3-53 Write formulas for the following ionic compounds: (a) Potassium bromide (b) Calcium oxide (c) Mercury(I1) oxide (d) Copper ... 3 - 3-43 Write the formula for the compound formed...Ch. 3 - 3-44 Write the formula for the ionic compound...Ch. 3 - 3-45 Which ... 3.6 - Problem 3-6 Give each binary compound a systematic...Ch. 3.6 - Problem 3-7 Name these ionic compounds, each of...Ch. 3.7 ... 3 - 3-70 Draw a Lewis structure of a covalent compound...Ch. 3 - 3-71 The ion O6+ has a complete outer shell. Why...Ch. 3 - 3- ...
... develop and commercialize novel compounds for the tr ... ... Announce Agreement for Novel N-type Calcium Channel Compounds. ... Announce Agreement for Novel N-type Calcium Channel Compounds. 21-Mar-2006 ... develop and commercialize NMED-160 and other compounds that selectively target the N-type calcium channel. Merck will make a $ ... Neuromed would also receive royalties on worldwide sales of NMED-160 and any additional compounds developed under this ...
Calcium Carbonate Chem Source supplies high purity fine Calcium Carbonate obtained from white and high brightness sources. ... PVC compounds Chem Source is an international trading Company. Our core business is to export premium Egyptian minerals, PVC ... Ground Calcium Carbonate Chem Source is an international trading Company. Our core business is to export premium Egyptian ... Chem Source supplies high purity fine Calcium Carbonate obtained from white and high brightness sources. Ground limestone is ...
... were characterised and used as carrier materials to increase the dissolution rate of poorly soluble flavouring compounds in ... Two different food grade functionalised porous calcium carbonates (FCC), with different pore size and pore size distributions, ... Porous calcium carbonate as a carrier material to increase the dissolution rate of poorly soluble flavouring compounds ... Porous calcium carbonate as a carrier material to increase the dissolution rate of poorly soluble flavouring compounds M. ...
Natural News) Combining the herbal compounds of Radix aconiti carmichaeli and licorice could regulate calcium proteins and ... Licorice root for heart health? When combined with other herbal compounds, it regulates calcium proteins to protect your heart ... Licorice root for heart health? When combined with other herbal compounds, it regulates calcium proteins to protect your heart ... com/2018-01-14-protect-your-heart-with-licorice-root-study-found-when-combined-with-other-herbal-compounds-it-regulates-calcium ...
Intracellular calcium ([Ca2+]i) was recorded using florescence microscopy and a calcium sensitive dye (Fluo-4 AM) with a strong ... The use of different blockers of calcium channels did not reveal the source for the rise of [Ca2+]i. Overall, elevation of [ ... Pharmacological modulators 2-APB (50 μM), Nimodipine (10 μM), Caffeine (10 mM), SKF 96365(20 μM) were used to modify calcium ... of Auranofin in inducing cell death by apoptosis and whether these changes are correlated to changes of intracellular calcium ...
... quality Calcium Chloride Compound for sale of chloridecompounds from China. ... Calcium Chloride Compound Multiple Purpose Anti-Fog Agent from China- ... calcium chloride and magnesium chloride calcium chloride calcium carbonate formula of calcium chloride formula for calcium ... 74 % - 94 % Calcium Chloride Compound Multiple Purpose Anti-Fog Agent 74 % - 94 % Calcium Chloride Compound Multiple Purpose ...
Compounds, Intermetallics & Composites for research & industrial markets. View our small quantity Catalogue. ...
Anhydrous calcium sulphate as a host compound for luminescent materials development. Kirje Pishtshev, A.; Klopov, M.; ... 2015). Anhydrous calcium sulphate as a host compound for luminescent materials development. Book of Abstracts: 9th ...
... an insoluble calcium compound (di-calcium phosphate or calcium carbonate) and 1,450 ppm fluoride (F), as... ... an Insoluble Calcium Compound and 1,450 ppm Fluoride , A 2-year double-blind randomized three-treatment controlled parallel- ... an insoluble calcium compound (di-calcium phosphate or calcium carbonate) and 1,450 ppm fluoride (F), as sodium ... Two different sources of insoluble calcium were evaluated, Dical and calcium carbonate. Dentifrices with Dical and with calcium ...
... calcium gluconate via the calcium-clamp technique (Fox, 1991). The calcium infusion rate was constant from 20 to 60 min, at ... NPS R-568: A Type II Calcimimetic Compound that Acts on Parathyroid Cell Calcium Receptor of Rats to Reduce Plasma Levels of ... NPS R-568: A Type II Calcimimetic Compound that Acts on Parathyroid Cell Calcium Receptor of Rats to Reduce Plasma Levels of ... NPS R-568: A Type II Calcimimetic Compound that Acts on Parathyroid Cell Calcium Receptor of Rats to Reduce Plasma Levels of ...
Effect of fungicides and calcium compounds on shelf-life of Kinnow mandarin during low temperature storage ... Effect of certain fungicides and calcium compounds on post harvest behaviour of Kinnow mandarin. Haryana Journal of ... Effect of fungicides and calcium compounds on shelf-life of Kinnow mandarin during low temperature storage. Surinder Kumar; ... Effect of fungicides and calcium compounds on shelf-life of Kinnow mandarin during low temperature storage. ...
... calcium they think of what is in milk and other dairy products. Most people think that you need calcium in you body, so you ... A calcium compound is basically when calcium has been combined with two or more elements. For example calcium hydroxide ( Ca(OH ... "How did calcium compounds affect the world?,", ... How did calcium compounds affect the world?. Essay by ceyhan, High School, 10th grade, September 2004 ...
  • It burns in air or pure oxygen to form the oxide and reacts rapidly with warm water (and more slowly with cold water) to produce hydrogen gas and calcium hydroxide. (
  • Calcium hydroxide , also called slaked lime, Ca(OH) 2 , is obtained by the action of water on calcium oxide. (
  • 2SiO 2 · 3H 2 O) and calcium hydroxide (Ca[OH] 2 ). (
  • a saturated water solution of calcium hydroxide into the matrix of a calcium-based stone (such as limestone or marble). (
  • Once the calcium hydroxide is deposited, its eventual interaction with atmospheric carbon dioxide forms a network of calcium carbonate, similar to that which makes up the stone itself. (
  • treated with slaked lime (calcium hydroxide), is made into a thick paste. (
  • For example calcium hydroxide ( Ca(OH)2 )This very reactive grayish white metal affected the world in both negative and positive ways. (
  • 6. A composition as claimed in any one of claims 1 to 5 in which the calcium compound is calcium carbonate, calcium hydroxide, calcium citrate, calcium malate, calcium lactate, calcium chloride, calcium glycerophosphate or calcium formate. (
  • 5. The process according to claim 1, wherein in a) an aqueous alkaline sodium aluminate solution is used as a starting material and either calcium oxide or calcium hydroxide is added thereto. (
  • The citric acid in the broth solution is neutralized by calcium hydroxide, precipitating insoluble calcium citrate. (
  • and calcium hydroxide is used for processing water for beverages and neutralizing acids in the tanning industry. (
  • It reacts with water, displacing hydrogen and forming calcium hydroxide , an alkaline substance. (
  • calcium hydroxide, Ca(OH) 2 , colorless crystal or white powder. (
  • Limewater is a clear, saturated water solution of calcium hydroxide. (
  • Because calcium hydroxide readily reacts with carbon dioxide, CO 2 , to form calcium carbonate, a mixture of gases can be tested for the presence of CO 2 by shaking it with limewater in a clear container if CO 2 is present, a cloudy calcium carbonate precipitate will form. (
  • Calcium oxide is a basic anhydride, reacting with water to form calcium hydroxide during the reaction (slaking) much heat is given off and the solid nearly doubles its volume. (
  • Calcium hydroxide , also known as slaked lime , is a chemical compound with the formula Ca(OH) 2 . (
  • Formerly produced by electrolysis of anhydrous calcium chloride, pure calcium metal is now made commercially by heating lime with aluminum. (
  • In much of the world , Calcium Chloride derives from limestone. (
  • Calcium chloride aqueous solution is an important refrigerating machine and ice used refrigerant , can accelerate the hardening of concrete and increase the cold resistance of building mortar , is an excellent architectural antifreeze. (
  • 2002 year, 20000mt of Calcium Chloride anhydrous 94%min(powder, granular). (
  • Strontium Carbonate imparts red color , Calcium Chloride imparts orange color, Copper Chloride imparts blue color . (
  • Calcium chloride application on fruits maintains the firmness of fruits, decreases storage breakdown and rot, extends shelf-life, and increases vitamin C and calcium content. (
  • The current study aimed to evaluate the effects of pre-harvest application of calcium chloride on the fruits of 'Tupy' blackberry (Rubus spp. (
  • A randomized block design for a factorial scheme was used, i.e. calcium chloride concentrations (0, 1.5, 3, and 4.5%) and number of applications (1, 2, and 3). (
  • Subsequent methods of extraction have included electrolysis of calcium fluoride or calcium chloride. (
  • Calcium chloride is commercially available usually as the dihydrate, CaCl 2 ·2H 2 O it is used to melt ice on roads, to control dust, in brines for refrigeration, and as a preservative in foods. (
  • Calcium chloride is a byproduct of the Solvay process (a major source of the compound) and is present in natural brines. (
  • calcium chloride, two-hydrate, cryst. (
  • One calcium compound , lime (calcium oxide, CaO) was extensively used by the ancients. (
  • When heated, it decomposes into calcium oxide (CaO) and carbon dioxide gas (CO 2 ). (
  • Calcium carbonate decomposes to calcium oxide in the heat of the furnace, and the calcium oxide reacts with the silica to form calcium silicates (slag), which float on the molten iron and can be skimmed off. (
  • The compound formed when calcium and oxygen combine is calledcalcium oxide, CaO. (
  • The ancient Romans are known to have prepared lime (calcium oxide) as early as the first century. (
  • The element calcium, however, was not isolated until 1808 in England , when Sir Humphry Davy electrolyzed a mixture of lime and mercuric oxide. (
  • It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime or slaked lime. (
  • Like the oxide, it has many uses, e.g., in liming soil, in sugar refining, and in preparing other compounds. (
  • It is prepared by heating calcium carbonate (e.g., limestone ) in a special lime kiln to about 500°C to 600°C, decomposing it into the oxide and carbon dioxide. (
  • Calcium oxide is widely used in industry, e.g., in making porcelain and glass in purifying sugar in preparing bleaching powder , calcium carbide, and calcium cyanamide in water softeners and in mortars and cements. (
  • It can be dehydrated (remove the water) to calcium oxide by heat. (
  • Inhibition of PCDD/Fs formation from dioxin precursors by calcium oxide. (
  • Single-crystal CaB6 Nanowires (diameter 15-40 nm, length 1-10 micrometres) can be obtained by pyrolysis of diborane (B2H6) over calcium oxide (CaO) powders at 860-900 °C, in presence of Ni catalyst. (
  • Although it compares favourably with sodium as a reducing agent, calcium is more expensive and less reactive than the latter. (
  • A 2-year double-blind randomized three-treatment controlled parallel-group clinical study compared the anti-caries efficacy of two dentifrices containing 1.5% arginine, an insoluble calcium compound (di-calcium phosphate or calcium carbonate) and 1,450 ppm fluoride (F), as sodium monofluorophosphate, to a control dentifrice containing 1,450 ppm F, as sodium fluoride, in a silica base. (
  • Food Anti-Caking Agents Market is segmented based on type, which includes calcium compounds , sodium compounds, magnesium compounds, microcrystalline cellulose compounds, others. (
  • Aza-cage compounds were also obtained by reductive amination, but by using sodium cyanoborohydride as reducing agent instead. (
  • Acroscell provides a comprehensive screening library, including but not limited to sodium channels, calcium channels and potassium channels, etc. (
  • This study aimed to assess the efficacy of a 980-nm diode and 10.6-μm CO 2 laser accompanied by tricalcium phosphate-5% sodium fluoride (fTCP) and casein phosphopeptide amorphous calcium phosphate (CPP-ACP) for the remineralization of primary teeth. (
  • Clinpro White varnish is a fTCP varnish containing 5% sodium fluoride, calcium and phosphate. (
  • Energy shifts in K X-ray peaks of potassium and calcium in different chemical compounds have been determined from their X-ray spectra recorded in an energy dispersive X-ray fluorescence (EDXRF) set-up. (
  • The shifts in potassium compounds have been evaluated for the first time while the same for calcium compounds almost agree well with the earlier reported measurements in literature. (
  • Magnesium also supports cardiovascular health by helping to maintain healthy levels of cellular and plasma electrolytes, including calcium and potassium. (
  • This compound represents a mixture of potassium-calcium-magnesium salts of glycyrrhizic acid that varies within a 2-25 percent range. (
  • Recently, we discovered that certain small organic compounds, not polycations, are capable of activating the Ca 2+ receptor. (
  • As calcium hydroxyl phosphate , it is the principal inorganic constituent of teeth and bones and occurs as the mineral apatite . (
  • Using the CLS's SXRMB beamline, Cerruti's team has discovered the presence of early stage calcium phosphate minerals in the elastin-containing layers of the diseased mouse arteries. (
  • The paper's conclusion states that an effective strategy to prevent vascular calcification may involve intervening at the stage where calcium phosphate minerals begin crystallizing. (
  • The study aims to develop a "green" water treatment agent for calcium phosphate scale. (
  • The article compares the efficiency of three polymeric antiscalants, poly(aspartic acid-citric acid) copolymer (PAC), polymaleic acid (HPMA) and a compound inhibitor (PAC-HPMA), for calcium phosphate scale prevention under varying experimental conditions. (
  • The compound inhibitor can be used as an efficient "green" scale inhibitor for calcium phosphate. (
  • however, the phosphorous-based compounds, particularly the poly(phosphate)s, may produce orthophosphate in hydrolysis reactions and exacerbate phosphate scaling when water contains significant hardness ( Snoeyink & Jenkins, 1980 ). (
  • Furthermore, reclaimed water widely used in the circulating cooling system usually contains trace amounts of phosphorus compounds, such as orthophosphates, poly(phosphate)s and organophosphates, which cannot be completely removed from raw wastewater by secondary or advanced treatment ( Wang, Wang, & Hou, 2016 ) and may increase calcium phosphate deposition in the circulating cooling system. (
  • The growth of calcium phosphate scale in industrial processes causes serious problems. (
  • Especially, calcium phosphate scale deposited on heat exchanger surfaces in industrial cooling water systems, boiler, oil and gas production, geothermal energy and distillation systems, leads to overheating and thermal loss of systems ( Wang, Shen, Li, & Wang, 2014 ). (
  • and calcium phosphate in the apatite group of minerals. (
  • dihydrogen phosphate solution as the mobile phase was determined by the content of compound preparation of carbamazepine. (
  • To maintain this balance, an adequate amount of calcium, phosphate and fluoride ions must be present in the oral environment [ 2 ]. (
  • It can stabilize calcium and phosphate in a solution and increase their concentration [ 6 ]. (
  • The authors have examined the effects of the HA compounds HA1004(N-(2-guanidinoethyl)-5-isoquinolinesulfonamide) and HA 1077(1-(5-isoquinolinesulfonyl)homopiperazine), which are intracellular calcium antagonists, on delayed cerebral vasospasm from subarachnoid hemorrhage (SAH). (
  • The intracellular calcium antagonists of the HA compound group appear to be promising agents for the treatment of intractable cerebral vasospasm. (
  • A team of researchers from Zhejiang Chinese Medical University in China studied whether the active components - aconitine, liquiritin, and glycyrrhetinic acid - found in Radix aconiti carmichaeli and licorice could lead to the regulation of intracellular calcium homeostasis and calcium cycling, which could affirm their therapeutic properties. (
  • We investigate the effects of Auranofin in inducing cell death by apoptosis and whether these changes are correlated to changes of intracellular calcium concentration ([Ca 2+ ] i ) in breast cancer cells (MCF-7). (
  • Intracellular calcium ([Ca 2+ ] i ) was recorded using florescence microscopy and a calcium sensitive dye (Fluo-4 AM) with a strong negative correlation ( r = −0.713) to viability. (
  • One of these molecular pathways involves the overload of neuronal cells with intracellular calcium ions. (
  • An interesting observation made with all the aza-bridgehead compounds as well as with NGP1-01, was their tendency to increase intracellular calcium levels at low concentrations. (
  • Signalling pathways were assessed by western blotting, gel-shift assay and kinase activity determinations and intracellular calcium levels were determined using a calcium-specific fluorescent probe. (
  • Importantly, enhancement of differentiation induced by 50 nM ATRA by the sesquiterpene lactones was not accompanied by elevation of basal intracellular calcium concentrations. (
  • Kim, SH, Danilenko, M & Kim, TS 2008, ' Differential enhancement of leukaemia cell differentiation without elevation of intracellular calcium by plant-derived sesquiterpene lactone compounds ', British Journal of Pharmacology , vol. 155, no. 6, pp. 814-825. (
  • The invention also relates to the use of the resulting boron-containing compounds in the treatment of wood and other related wood-based products to protect such products against fungal attack, and against attack by subterranean termites and wood-boring insects such as powder-post beetles and carpenter ants. (
  • The invention further relates to the use of the boron-containing compounds to improve the flame retardancy of wood and wood products. (
  • Still further, the invention relates to the boron-containing compounds prepared by the inventive method for treating calcium borates. (
  • Calcium hexaboride (sometimes calcium boride) is a compound of calcium and boron with the chemical formula CaB6. (
  • It has the cubic structure typical for metal hexaborides, with octahedral units of 6 boron atoms combined with calcium atoms. (
  • CaB6 and lanthanum-doped CaB6 both show weak ferromagnetic properties, which is a remarkable fact because calcium and boron are neither magnetic, nor have inner 3d or 4f electronic shells, which are usually required for ferromagnetism. (
  • The crystal structure of calcium hexaboride is a cubic lattice with calcium at the cell centre and compact, regular octahedra of boron atoms linked at the vertices by B-B bonds to give a three-dimensional boron network. (
  • Each calcium has 24 nearest-neighbor boron atoms The calcium atoms are arranged in simple cubic packing so that there are holes between groups of eight calcium atoms situated at the vertices of a cube. (
  • Ca(OH)2 +7B → CaB6 + BO(g) + H2O(g) Reacting calcium carbonate with boron carbide in vacuum at above 1400 °C (carbothermal reduction) Reacting of CaO and H3BO3 and Mg to 1100 °C. Low-temperature (500 °C) synthesis CaCl2 + 6NaBH4 → CaB6 + 2NaCl + 12H2 + 4Na results in relatively poor quality material. (
  • Calcium hexaboride is used in the manufacturing of boron-alloyed steel and as a deoxidation agent in production of oxygen-free copper. (
  • Limestone is probably the most important calcium compound. (
  • Because of the metallic properties of Calcium, lots of valence electrons free to move around, and the negative attraction of the atoms, Limestone is usually used in buildings. (
  • Another useful Calcium compound is called lime, which is simply made by heating limestone at very high temperatures. (
  • And as calcium sulfate, it occurs as anhydrite . (
  • Calcium is found in many other minerals, such as aragonite (a type of calcium carbonate) and gypsum (another form of calcium sulfate), and in many feldspars and zeolites . (
  • And ettringite as hydration product was formed continuously as the calcium sulfate was decreased. (
  • Blackboard " chalk, " in contrast, is mostly gypsum, or calcium sulfate (CaSO 4 ). (
  • Calcium sulfate (or calcium sulphate ) is the inorganic compound with the formula CaSO 4 and related hydrates . (
  • [6] Calcium sulfate causes permanent hardness in water. (
  • The main use of calcium sulfate is to produce plaster of Paris and stucco . (
  • These applications exploit the fact that calcium sulfate which has been powdered and calcined forms a moldable paste upon hydration and hardens as crystalline calcium sulfate dihydrate. (
  • It is also convenient that calcium sulfate is poorly soluble in water and does not readily dissolve in contact with water after its solidification. (
  • With judicious heating, gypsum converts to the partially dehydrated mineral called calcium sulfate hemihydrate, calcined gypsum, and plaster of Paris .This material has the formula CaSO 4 ·( n H 2 O), where 0.5 ≤ n ≤ 0.8. (
  • It is a weak reducing agent, as is sulfur dioxide, sulfites , and any other compound containing sulfur in the +4 oxidation state. (
  • Sugar is also purified with lime, and if chickens don't get their calcium, you get no eggs! (
  • If you combine Lime, water, and sand, looking at the formula: CaO (s) + H2O (l) + SiO2 (s) CaSiO4 + H2O when you simply get rid of the water, you are left with CaSiO4, with this you can make cement.Next, would like to talk about calcium sulphate (CaSO4). (
  • In nature, calcium (Latin calcis , meaning "lime") is not found in its elemental state. (
  • Aguayo, E and Requejo-Jackman, C and Stanley, R and Woolf, A, Hot water treatment in combination with calcium ascorbate dips increases bioactive compounds and helps to maintain fresh-cut apple quality, Postharvest Biology and Technology, 110 pp. 158-165. (
  • Calcium carbonate deposits dissolve in water that contains carbon dioxide to form calcium bicarbonate, Ca(HCO 3 ) 2 . (
  • Calcium carbonate deposits can be formed in sea-water when calcium ions dissolved from other minerals react with dissolved carbon dioxide ( carbonic acid , H 2 CO 3 ). (
  • They manufactured shells and skeletons of calcium carbonate using the calcium ions and carbon dioxide in the oceans, just as clams, oysters, and corals do today. (
  • Because calcium citrate is acid based, it is extremely soluble and can be easily absorbed by the body. (
  • Calcium citrate supplements are safe to take even on an empty stomach. (
  • calcium (as calcium citrate) 150 mg. (
  • Calcium in the aspartate, citrate and citrate/malate forms are highly bioavailable calcium chelates, providing support for bone, cardiovascular and colon health. (
  • Click the button below to add the Calcium Citrate to your wish list. (
  • Emulsifier in foods, dietary supplement Calcium citrate is an intermediate in the isolation of citric acid from the fermentation process by which citric acid is produced industrially. (
  • This is then filtered off from the rest of the broth and washed to give clean calcium citrate. (
  • The volatile metal compounds of copper, calcium, strontium are generally used in fire works to get colours. (
  • As a member of the series of alkaline earth metals, calcium lies in group 2 (former group 2A) of the periodic table , between magnesium and strontium . (
  • AsiaFiller AF1751P is a highly filled calcium carbonate filler masterbatch containing fine pure CaCO 3 in polypropylene matrix and special additives. (
  • As calcium fluoride, it occurs as fluorite , or fluorspar. (
  • What is the net charge of the ionic compound calcium fluoride? (
  • The means of absorption consists mainly of a fine-grained inorganic alkaline earth compound, particularly a calcium and/or a magnesium compound and an additive in the form of one or more carbonic acids and/or of their alkali salts, ammonium salts or alkaline earth salts. (
  • Give the formula for each of the following ionic compounds: (a) ammonium carbonate (b) calcium iodide (c) coppe. (
  • In many deoxidizing, reducing, and degasifying applications, however, calcium is preferred because of its lower volatility and is used to prepare chromium , thorium , uranium , zirconium , and other metals from their oxides. (
  • Chromium (VI) compounds are produced commercially from chromite ore for a wide variety of uses. (
  • The inhibition of calcium L current depended o (mas) n the potential, with an increase of the action potential in more than one order of concentration magnitude in partially depolarized cells (-50 mV). (
  • The results of this pivotal clinical study support the conclusion that dentifrices containing 1.5% arginine, an insoluble calcium compound and 1,450 ppm F provide significantly greater protection against caries lesion cavitation, in a low to moderate caries risk population, than dentifrices containing 1,450 ppm F alone. (
  • The resulting calcium carbonate is insoluble in water and sinks to the bottom. (
  • The differential includes calcinosis cutis, or deposition of insoluble calcium compounds in the skin without true bone formation. (
  • Sveikauskaite, A. 2004-10-04 00:00:00 The interaction between diluted electrolyte for alkaline zinc plating and calcium compounds (CaCl2 solutions, phosphogypsum and cement dust suspensions) was studied to determine the promise of their use for chemical washing. (
  • This is formed from a constant build up of calcium sulphate found in sea water. (
  • Calcium bisulfite ( calcium bisulphite ) is an inorganic compound which is the salt of a calcium cation and a bisulfite anion. (
  • This inorganic compound -related article is a stub . (
  • 0.1 um diameter) metal oxides, including the oxides of titanium, magnesium, yttrium, aluminum, calcium, and iron. (
  • Calcium (Ca) , chemical element , one of the alkaline-earth metals of Group 2 (IIa) of the periodic table . (
  • Calcium carbonate has two major crystalline forms - two different geometric arrangements of the calcium ions and carbonate ions that make up the compound - aragonite and calcite. (
  • Since calcium is rarely found in its pure form in nature, it binds with other molecules to form calcium compounds. (
  • In its pure form, calcium carbonate is a white powder with a specific gravity of 2.71 in the calcite form or 2.93 in the aragonite form. (
  • Two different food grade functionalised porous calcium carbonates (FCC), with different pore size and pore size distributions, were characterised and used as carrier materials to increase the dissolution rate of poorly soluble flavouring compounds in aqueous solution. (
  • Calcium bisulfite is an acid salt and behaves like an acid in aqueous solution. (
  • All calcium carbonate minerals are conglomerations of various-sized crystals of these two forms, packed together in different ways and containing various impurities. (
  • Calcium and Magnesium are both classified as "essential minerals" which humans require for good health. (
  • Tangible benefits calcium carbonatesand washersellat atangiblebenefits calcium carbonatesand washersellat aTangiblebenefits calcium carbonatesand washersellat a loss in north americacalcium carbonateis an industrial mineralcalcium carbonateis also widely used as an industrial mineral some interesting information from the industrial minerals association,tangible benefits. (
  • Calcium (chemical symbol Ca , atomic number 20) is the fifth most plentiful chemical element in the Earth 's crust, occurring in various rocks, minerals, coral, and shells of marine animals. (
  • The reaction products, including calcium in solution, are then treated with ammonia, producing ammonium pentaborate. (
  • This study confirms the potential of the polycyclic structures as lead compounds in the search for molecules that prevent neuronal death due to apoptosis. (
  • Their dualistic effects, as well as the possibility of sigma receptor activity provide new avenues for investigation in the search for biological lead compounds amongst the polycyclic compounds. (
  • Acroscell also provides [Ca2+]i measurements to test the influence of lead compounds on GPCR-mediated [Ca2+]i signaling pathways, such as Ca sensor receptors and other GPCRs. (
  • We offer magnesium carbonate compounds in bulk densities from 60g/l to 80g/l (super lightweight), right up to Magnesia 19, which has a bulk density of 900g/l. (
  • Our MagGran®CCplus range includes calcium carbonate mixed with 5% or 10% maize starch ,and magnesium carbonate mixed with 5% maize starch. (
  • EN] The present invention relates to a mixture of crambescidins with a powerful calcium channel antagonist effect. (
  • Give examples of an element, a compound, a heterogeneous mixture, and a homogeneous mixture. (
  • Twelve-year-old trees were sprayed 10 days before the anticipated harvest date with 1% calcium nitrate, 0.1% Rovral or 0.1% Bavistin or a mixture of these substances. (
  • Is chalk an element, compound or mixture? (
  • Vitamin D is an important factor in the absorption of calcium from the stomach and intestines. (
  • Without a sufficient amount of vitamin D, the body will not be able to form the hormone calcitriol, which is needed to absorb calcium from the food you eat. (
  • If there is vitamin D deficiency, the body is forced to take the calcium stored in the bones to use for other essential bodily functions. (
  • A paper written by Catherine Tamaro (B.S.M.E.) on Vitamin K Deficiency as a cause of Autistic Symptoms (2006) also refers to the link between unregulated calcium and symptoms associated with autism. (
  • After supplementation of calcium and vitamin D, her clinical situation and hemodynamics improved rapidly. (
  • NEKTON-Rep-Calcium+D3 is enriched with vitamin D3 and two amino acids. (
  • calcite Calcite is the most common form of natural calcium carbonate (CaCO 3 ). (
  • Ca(NO 3 ) 2 · 4H 2 O, Ca(OH) 2 , CaCl 2 , CaCO 3 , CaSO 3 and CaSO 4 · 2H 2 O with CaO as reference and correlated with differences in electro-negativity, number of ligands, structural changes, type of bonding, axial distances, etc. in the compounds. (
  • Calcium carbonate, CaCO 3 , is one of the most common compounds on Earth , making up about 7% of Earth ' s crust. (
  • #"CaCO"_3# is an ionic compound. (
  • Inhibitor concentration, calcium concentration, system pH, temperature and experimental time were varied to determine their influences on inhibitor performance by the static scale inhibition method. (
  • 11. The process according to claim 1, wherein the calcium aluminate hydrate precipitate in b) is mechanically dehydrated. (
  • 13. The process according to claim 11, wherein the dehydrated calcium aluminate hydrate precipitate is dried at a temperature of less than (
  • F. Winnefeld, "Hydration of Calcium Sulfo-Aluminate Cements - Experimental Findings and Thermodynamic Modelling," Cem. (
  • K. Arbi, "Alkali-Activated Blends of Calcium Aluminate Cement and Slag/Diatomite," Ceram. (
  • The process uses a small rotating furnace, in which cesium-contaminate soil is mixed with calcium compounds to promote a reaction before the materials are heated at 1,350 degrees Celsius. (
  • In the experiments with CaO, less than 0.1% of the initial PCP was detected in the absorption tube and only about 1% of the initial PCP was examined as calcium pentachlorophenate in the reaction tube. (
  • Calcium ionophore A23187 (4.8 X 10(-6) M)-induced contraction of a canine basilar artery strip was completely antagonized by the HA compounds (10(-5) M) but not by the entry-blocking calcium antagonists nicardipine, diltiazem, and verapamil (10(-5) M), suggesting that the HA compounds act differently. (
  • Pharmacological modulators 2-APB (50 μM), Nimodipine (10 μM), Caffeine (10 mM), SKF 96365(20 μM) were used to modify calcium entry and release. (
  • This dualistic feature of these compounds can be attributed to activity on both the sigma receptors and calcium channels, as the PC-12 cells distinctly express both these pharmacological entities. (