Calcium Compounds: Inorganic compounds that contain calcium as an integral part of the molecule.Calcium Signaling: 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.Calcium Channels: 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, Dietary: 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.Calcium Carbonate: 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 Phosphates: Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements.Calcium Isotopes: 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.Calcium Chloride: A salt used to replenish calcium levels, as an acid-producing diuretic, and as an antidote for magnesium poisoning.Calcium Channels, L-Type: 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.Calcium Oxalate: The calcium salt of oxalic acid, occurring in the urine as crystals and in certain calculi.Calcium Gluconate: The calcium salt of gluconic acid. The compound has a variety of uses, including its use as a calcium replenisher in hypocalcemic states.Calcium Radioisotopes: 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.Molecular Structure: 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.Kinetics: The rate dynamics in chemical or physical systems.Calcium Channels, N-Type: CALCIUM CHANNELS that are concentrated in neural tissue. Omega toxins inhibit the actions of these channels by altering their voltage dependence.Egtazic Acid: A chelating agent relatively more specific for calcium and less toxic than EDETIC ACID.Dose-Response Relationship, Drug: The relationship between the dose of an administered drug and the response of the organism to the drug.Sulfur Compounds: Inorganic or organic compounds that contain sulfur as an integral part of the molecule.Calcium Channel Agonists: 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, Cultured: 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.Volatile Organic Compounds: Organic compounds that have a relatively high VAPOR PRESSURE at room temperature.Structure-Activity Relationship: 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.Aniline CompoundsCalcimycin: 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.Physics: The study of those aspects of energy and matter in terms of elementary principles and laws. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Yersinia pestis: The etiologic agent of PLAGUE in man, rats, ground squirrels, and other rodents.Sterilization, Involuntary: Reproductive sterilization without the consent of the patient.Vaccinium: A plant genus of the family ERICACEAE known for species with edible fruits.Nuclear Physics: The study of the characteristics, behavior, and internal structures of the atomic nucleus and its interactions with other nuclei. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Psychology, Clinical: The branch of psychology concerned with psychological methods of recognizing and treating behavior disorders.Child Psychology: The study of normal and abnormal behavior of children.Psychology: The science dealing with the study of mental processes and behavior in man and animals.Psychology, Social: The branch of psychology concerned with the effects of group membership upon the behavior, attitudes, and beliefs of an individual.AlabamaFraud: Exploitation through misrepresentation of the facts or concealment of the purposes of the exploiter.Medicare Assignment: 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.Cat's Claw: 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.ColombiaAgave: 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.Tourette Syndrome: 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, Germacrane: SESQUITERPENES cyclized to one 10-carbon ring.Aorta: The main trunk of the systemic arteries.Calcium Channel Blockers: A class of drugs that act by selective inhibition of calcium influx through cellular membranes.omega-Conotoxins: 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.omega-Conotoxin GVIA: 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.Cooperative Behavior: 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)International Cooperation: The interaction of persons or groups of persons representing various nations in the pursuit of a common goal or interest.Catalogs, LibraryLibrary Technical Services: Acquisition, organization, and preparation of library materials for use, including selection, weeding, cataloging, classification, and preservation.Online Systems: 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)Catalogs as Topic: Ordered compilations of item descriptions and sufficient information to afford access to them.Ceramics: 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)Catalogs, Union

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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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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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
China Desiccant Calcium Oxide Moisture Absorber Masterbatch, Find details about China Masterbatch, Water Absorb Masterbatch from Desiccant Calcium Oxide Moisture Absorber Masterbatch - Jiangmen Yixing Plastic Raw Material Co., Ltd.
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 @ http://www.absolutereports.com/enquiry/pre-order-enquiry/10657621 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. ...
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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, ...
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 ...
calcium oxide, 10-40 mm granules, laborvegyszerek, vegyszerek, gyógyszeralapanyagok, fertõtlenítõszerek és vegyipari termékek gyártása és kereskedelme
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
Calcium Lactate list and information including what is Calcium Lactate, health benefits and usage indications. Find articles and product list for other top low-carb products, fat-burners, nutrition bars and shakes.
Calcium Lactate Yakuhan is a medicine available in a number of countries worldwide. A list of US medications equivalent to Calcium Lactate Yakuhan is available on the Drugs.com website.
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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 @ http://www.fiormarkets.com/report-detail/34220/request-sample. 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 ...
Emergence of Biodegradable Materials to Encourage Global Bone Repair Materials Markets Growth - Press Release by MarketResearchReports.biz
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 ...
Calcium is a mineral that is found naturally in foods. Calcium is necessary for many normal functions of your body, especially bone formation and maintenance. Calcium can also bind to other minerals (such as phosphate) and aid in their removal from the body. Calcium lactate is used to prevent and to treat calcium...
Define fluxing lime. fluxing lime synonyms, fluxing lime pronunciation, fluxing lime translation, English dictionary definition of fluxing lime. Noun 1. fluxing lime - a white crystalline oxide used in the production of calcium hydroxide burnt lime, calcined lime, calcium oxide, calx, quicklime,...
Calcium Lactate is an odorless, white powder or granules used as a calcium additive in food and beverages. It is a nutrition fortifier for calcium, buff...
Calcium Lactate is a fast dissolving source of calcium that can be used in food, beverage, and nutrition products as a buffer, paste regulator, yeast fo...
Prework out pre gym Kramp Krusher Electrolyte Chewz are a cutting edge ENERGY supplement for athletes PRE-WORKOUT. Kramp Krushers are delicious vegetarian gummies, perfect for reloading electrolytes lost through sweat during extreme sport activities, training sessions and races. Each 10 piece serving of Kramp Krusher Electrolyte Chewz delivers what your body needs most while training and racing. Our ingredient blend includes Dextrose, Calcium Lactate and Sea Salt which help to provide quick energy, replenish electrolytes and accelerate muscle recovery.. ...
(EMAILWIRE.COM, January 06, 2017 ) . The objective of this report is to provide a detailed analysis of the Calcium Lactate Gluconate industry and its impact based on applications and on different geographical regions; strategically analyze the growth trends, future prospects; R&D spending and trail...
View drug interactions between aluminum sulfate / calcium acetate topical and calcium acetate. These medicines may also interact with certain foods or diseases.
You can easily create your own ethanol jelly fire-starter by mixing a saturated solution of calcium acetate with ethyl alcohol. This way the ethanol fuel is more practical to store and transport. Here is the recipe: First make a saturated calcium acetate solution by mixing 17 gm calcium acetate with 40ml of water ...
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The effects of potassium (K) salts loading on CaO on the H2 production from pyrolysis-gasification of wheat straw were investigated. The loading of 0.25 wt% KCl could significantly enhance the CO2 absorption capability of CaO. The CO2 concentration in the product gas decreased sharply from 20.83 to 11.70 vol%, and the H2 concentration increased from 48.2 to 55.5 vol%. While the loading of 0.25 wt% K2CO3/K2SO4 inhibited the enhancing effect of CaO. Further increasing the loading of KCl on CaO, the CO2 absorption of CaO declined, but the catalytic effect of KCl on the gasification process was promoted. The loading of 0.25 wt% KCl on CaO significantly improved the cyclic performance of CaO during the pyrolysis-gasification process. Higher H2 concentration and more CO2 absorbed by CaO were obtained with the loading of 0.25 wt% KCl even after 5 cycles compared with those of pure CaO in the first cycle ...
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Enzymeless detection of hydrogen peroxide (H2O2) and glucose offers a more reliable and accurate detection route given the absence of enzyme that is sensitive to temperature, pH, poisoning chemicals, and humidity. This can be realized using electrochemical sensor device which at present relies upon platinum, gold, or palladium-based nanostructured electrodes. Finding an alternative to such noble metal materials becomes crucial to facilitate large-scale applications of such device. Here, we reported that La0.6Sr0.4CoO3-d (LSC) perovskite oxide can provide comparable performance to these noble metal nanomaterials. LSC provides superior electrooxidation activities (to H2O2 and glucose) over La0.6Sr0.4Co0.2Fe0.8O3-d (LSCF) and LaNi0.6Co0.4O3 (LNC) that translates to good H2O2 or glucose detection performance. We proposed parallel pathways for H2O2 and glucose oxidations on LSC perovskite, which proceeds via Co3+/Co4+ redox couple and via oxygen vacancies formation. Additionally, reduced graphene ...
Cesium (Cs)-formamidinium (FA)-methylammonium (MA) triple cation-based perovskite materials have led to the most efficient and stable perovskite solar cells reported. However, most studies focused on the relationship between crystal structure distortion and efficiency. Herein, the role of cations that have been neg
TY - JOUR. T1 - Oxygen-permeating property of LaSrBFeO3 (B=Co, Ga) perovskite membrane surface-modified by LaSrCoO3. AU - Lee, Shiwoo. AU - Lee, Kee Sung. AU - Woo, Sang Kook. AU - Kim, Jong Won. AU - Ishihara, Tatsumi. AU - Kim, Do Kyung. PY - 2003/3/1. Y1 - 2003/3/1. N2 - Oxygen permeation fluxes have been investigated as a function of temperature for a mixed ionic-electronic conducting La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) and La0.7Sr0.3Ga0.6Fe0.4O3-δ (LSGF) membranes. Ga-doped composition, which is known for its chemical and structural stability, shows limited oxygen permeation flux as compared with a Co-containing system. However, modification of both surfaces with catalytically surface-reactive La0.6Sr0.4CoO3-δ (LSC) makes Ga-doped perovskite an excellent oxygen-permeable membrane. It has been demonstrated that the effective area of reactive free surface is an important factor in determining the effectiveness of surface modification by La0.6Sr0.4CoO3-δ. On the contrary, the oxygen permeation ...
Perovskite (say it: pə-ˈräv-ˌskīt, -ˈräf-). It may never become a household word, and the chemical formulas (eg., CH3NH3PbI3−xClx ) are as long as the name. But if you find yourself, in the not-so-distant future, adding new-and-improved solar panels to your roof, they may well contain a perovskite layer. If they do, it will be these…. ...
Lime materials available for purchase are calcitic lime, dolomitic lime, burned lime, hydrated lime, marl, and pelletized lime. However, not all of these are appropriate for use on established lawns.. Calcitic lime is mined from natural, limestone bedrock deposits. The soil is bulldozed off the bedrock; holes are drilled in the limestone, then it is blasted out with dynamite charges. It is crushed to about 1-inch stones, then pulverized or ground to screening specifications. Calcitic lime, also called aglime, has a neutralizing value between 85-100 percent. In addition to neutralizing soil acidity, calcitic limestone supplies calcium, an essential element for plant growth. Dolomitic lime is mined in a manner similar to calcitic lime. It has a neutralizing value between 85-109 percent and supplies both calcium and magnesium for plant growth. Burned lime (calcium oxide) is also called quicklime or unslaked lime and is manufactured by roasting crushed lime in a furnace to drive off carbon dioxide. ...
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... Phoslo is used to treat hyperphosphatemia in patients with end stage renal disease. Calcium acetate (active mineral in the Phoslos formula) is bound with the phosphate in the food you take, so it can be eliminated from the body without being absorbed.
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Featured, Top Stories, Whats New? Mineral Trioxide Aggregate (MTA) is vitally used for root canal treatment by the dentists. Currently, doctors use MTA manufactured by an American company which is very much costlier and not everyone can afford it. So, to curb this problem, the Institute of Chemical Technology, Mumbai has joined hands with Swargiya Dadasaheb Kalmegh Smruti Dental College, Nagpur to develop an import alternative of MTA which would be available at affordable prices for common people ...
Featured, Top Stories, Whats New? Mineral Trioxide Aggregate (MTA) is vitally used for root canal treatment by the dentists. Currently, doctors use MTA manufactured by an American company which is very much costlier and not everyone can afford it. So, to curb this problem, the Institute of Chemical Technology, Mumbai has joined hands with Swargiya Dadasaheb Kalmegh Smruti Dental College, Nagpur to develop an import alternative of MTA which would be available at affordable prices for common people ...
Background/Aim: Lately, fully innovative sol-gel method with high-temperature self-propagating reaction was used for the synthesis of new nanostructured endodontic materials, in combination with different radiopacifiers: bismuth (ALBO-MPCA1) and barium (ALBO-MPCA2). The aim of this study was to investigate the biocompatibility of nanostructured endodontic materials based on highly active calcium silicates and mixed with different radiopacifiers in comparison to MTA+ using human stem cells from the apical papilla- SCAP cells. Material and Methods: Morphology of the samples was studied by SEM. The tested materials were mixed with distilled water in a ratio 2:1 (m/m). Fifteen minutes fter the preparation, samples were used in the experiment. The biocompatibility of fresh materials, after 3h and 7 days, was tested using 3-(4,5-dimethylthiazol-2-yl)-2,5- diphenyltetrazolium bromide- MTT test. Results: Samples mostly consisted of spherical and rode-like. The relative viability of cells increased ...
Portlands reign as Americas largest bastion of fluoride-free water is facing a revolt.. A newly formed and hush-hush coalition of more than 50 high-profile organizations is quietly lobbying the Portland City Council to add fluoride to a drinking water supply serving about 900,000 residents - not just in Portland but also Gresham, Tigard and Tualatin, which buy city water through wholesale contracts.. The coalition could make a public pitch in coming weeks but faces a short window for political support. It has the backing of city Commissioner Randy Leonard, who oversees the Portland Water Bureau but leaves office in less than five months.. Portland is the largest city in the country without fluoridated water. Cities such as San Jose and San Diego in recent years have approved or made the switch in hopes of reducing tooth decay, particularly among children.. In Portland, though, residents have voted against fluoridation three times, most recently in 1980.. "This falls under the category of ...
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TRIVENI INTERCHEM PVT. LTD. - Exporter, Manufacturer, Distributor, Supplier, Trading Company of Calcium aluminates based in Vapi, India
Perovskite oxides find applications or are studied in many fields related to energy production, accumulation and saving. The most obvious application is oxygen or proton conductors in fuel cells (SOFCs), but the (anti)ferroelectric compositions may find application in high energy capacitors for energy storage, efficient electrocaloric cooling, and electromechanical energy harvesting. In SOFCs, the diffusion of O vacancies and other mobile ionic species, such as H+, are at the base of the functioning of the device, while in the other cases they constitute unwanted defects that reduce the performance and life-time of the device. Similarly, the (anti)ferroelectric phase transitions are a requisite for the use of some types of devices, but the accompanying domain walls can generate extended defects detrimental to the life of the material, and structural phase transformations should be avoided in SOFCs. All these phenomena can be studied by mechanical spectroscopy, the measurement of the complex elastic
Long-range order and phase transitions in two-dimensional (2D) systems-such as magnetism, superconductivity, and crystallinity-have been important research topics for decades. The issue of 2D crystalline order has reemerged recently, with the development of exfoliated atomic crystals. Understanding the dimensional limit of crystalline phases, with different types of bonding and synthetic techniques, is at the foundation of low-dimensional materials design. We study ultrathin membranes of SrTiO3, an archetypal perovskite oxide with isotropic (3D) bonding. Atomically controlled membranes are released after synthesis by dissolving an underlying epitaxial layer. Although all unreleased films are initially single-crystalline, the SrTiO3 membrane lattice collapses below a critical thickness (5 unit cells). This crossover from algebraic to exponential decay of the crystalline coherence length is analogous to the 2D topological Berezinskii-Kosterlitz-Thouless (BKT) transition. The transition is likely ...
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The 11th annual celebration of beers from all over the planet, including over 160 different beers, food from KOI fusion, Potato Champion, East Burn and others, and free games, with proceeds going to Pet Cross.Portland International Beerfest,North Park Blocks, Portland, Portland, Fri., July 20, 4 p.m., Sat., July 21, 12 p.m. and Sun., July 22, 12 p.m. 2012
Lactic acid (chemically, alpha or 2-Hydroxypropionic acid) takes roles in metabolic processes in the body; in red blood and in skeletal muscle tissues as a product of glucose and glycogen metabolism. Lactic acid is an alpha hydroxy acid: which has a hydroxyl group on the carbon atom next to the acid group. If the hydroxy group is on the second carbon next to the acid group, it is called beta-hydroxy acid. Lactic acid is converted in vivo to pyruvic acid (an alpha keto acid) which occurs as an intermediate product in carbohydrate and protein metabolism in the body. Lactic acid occurs as two optical isomers since the central carbon atom is bound to four different groups; a dextro and a levo form ( or an inactive racemic mixture of the two); only the levo form takes part in animal metabolism. Lactic acid is present in sour milk and dairy products such as cheese, yogurt, and koumiss, leban, wines. Lactic acid causes tooth decay since lactic acid bacteria operates in the mouth. Although it can be ...
Vetark changed the landscape of bird and reptile nutrition in the UK with its unique ranges. The products are recommended and supplied by vets, used by universities, scientists, zoos and pet keepers alike. Vetark now exports to over 20 different countries worldwide. ...
This website is not intended to provide medical advice and nothing in it should be construed as a therapeutic recommendation or prescription for treating any disease or symptom; they are provided for nutritional support only. No person should attempt self-diagnosis of a disease or self-treatment of any kind, but use these protocols for nutritional support only, and they should not discontinue any medication or therapy or make any health-related decisions without the advice of a licensed medical physician ...
Bone meal is a natural ingredient commonly found in diet pills. Though this may be the name by which it is identified on a product package, it is also commonly known by several other names such as: calcium acetate, calcium … Read Reviews ...
INTOCIVILE 0.8 NATURALE is a biocompatible, smoothing compound for intonachino plaster finish pre-packaged powder for internal and external use, according to standard UNI EN 998-1: 2010. INTOCIVILE 0.8 NATURALE is totally free of concrete and compounds belonging to the clinker group. It is made up of a mixture of pure siliceous calcareous sands, screened with continuous grain size arc from 0 to 0.8 mm. The only binder is the ST -ASTIER Pure Natural Hydraulic Lime NHL 5 by compliant with the UNI EN 459-1 standard. Lime NHL 5, white, is produced by baking siliceous limestones at temperatures below 1250° C and reduced to powder by only the breakdown of the calcium oxide without the addition of pozzolanic or hydraulic binders of any kind.. ...
ELIPHOS (Calcium acetate) drug information & product resources from MPR including dosage information, educational materials, & patient assistance.
Last week, Roxane Laboratories, Inc. launched its calcium acetate capsules, 667mg. Since the October 15 exclusive launch of this product, Roxane Laboratories, Inc., has experienced
Side Effects for PHOSLO (calcium acetate capsule) are also known as adverse reactions. Below is a summary of known side effects for PhosLo.
Rodr guez Rocha, Alejandra Citlalli; Hern ndez Padr n, Genoveva; Garc a Gardu o, Margarita V.; Garc a Aranda, Ra l Luis. - An lisis fisicoqu mico del MTA Angelus y Biodentine mediante difracci n de rayos X, espectrometr a de energ a dispersiva, fluorescencia de rayos X, microscopio electr nico de barrido y espectroscop a de rayos infrarrojos - Physicochemical analysis of MTA Angelus and Biodentine conducted with X ray difraction, dispersive energy spectrometry, X ray fluorescence, scanning electron microscope and infra red spectroscopy. Rev. odontol. mex; 19(3):174-180jul.-sep. 2015.tab, graf. ...
Burntlime create stylish, strong and durable outerwear. I was contacted to build their brand ahead of the launch of their new jacket collection.. The aim of the brief was to create a strong brand identity which matched to their mission of creating outerwear that can be the strong and durable while remaining stylish.. The company name is based on the chemical compound Calcium oxide, known as burnt lime. As Burnt lime is the main chemical in all strong compounds the name reflects the rugged nature of their products. It was essential to reflect this into the branding and create an identity which packed a punch.. ...
Richard estimates that combine systems are able to harvest 90 to 95 percent of lodged sugarcane in a field. This is much better than the 75 percent soldier harvesters deliver. Unfortunately, the billeted cane brings more trash impurities (leaves and tops) and mud into the factory, which makes it more difficult to clarify. The traditional clarification process is called cold liming. Eggleston explains how it works: "The cane juice is mixed in a tank, then lime in the form of calcium oxide is added to the tank and mixed. The solution stays at the same cold temperature the entire time-about 105 °F. The lime neutralizes unwanted organic acids and forms an insoluble complex with phosphates. The complex precipitates out of solution, bringing unwanted impurities with it, and is eventually filtered off.". In 1995, Eggleston began conducting factory studies comparing cold liming with two other clarification processes-hot liming and intermediate liming. She had discussed the idea with Duane Legendre, ...
Calcium aluminate cement is cement formed from the combination of limestone and alumina at high temperatures. It is used in specialized cement applications where resistance to extreme temperatures,...
If you happen to be in Portland check out [url=http://www.portlandpicks.com,]www.portlandpicks.com,[/url] a free weekly email column that profiles the best of the best fashion, dining, music, travel and other lifestyle attractions the city of Portland has to offer. [url=http://www.portlandpicks.com/]Portland Picks[/url] is a fun and sassy newsletter of Portlands City Secrets delivered via email every Friday.. ...
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in Journal of the European Ceramic Society (2006), 26(16), 3789-3797. Concurrently to research conducted on ordinary Portland cement (PC), new types of binders were developed during the last decades. These are formed by alkali-activation of metakaolin or ground-granulated ... [more ▼]. Concurrently to research conducted on ordinary Portland cement (PC), new types of binders were developed during the last decades. These are formed by alkali-activation of metakaolin or ground-granulated blast furnace slag (GGBFS) and are named, respectively, geopolymers (GP) or alkali-activated slag (AAS). Four different cementitious materials were synthesised: PC, AAS, GP, and a mix GP-AAS and fully compared about their compositions and (micro)-structures. X-ray diffraction has revealed the presence of semi-crystalline C-S-H gel binding phase in PC while AAS, GP and GP-AAS are nearly amorphous. Progressive structural changes have been observed between the different samples by means of infrared spectroscopy, ...
in Journal of the European Ceramic Society (2006), 26(16), 3789-3797. Concurrently to research conducted on ordinary Portland cement (PC), new types of binders were developed during the last decades. These are formed by alkali-activation of metakaolin or ground-granulated ... [more ▼]. Concurrently to research conducted on ordinary Portland cement (PC), new types of binders were developed during the last decades. These are formed by alkali-activation of metakaolin or ground-granulated blast furnace slag (GGBFS) and are named, respectively, geopolymers (GP) or alkali-activated slag (AAS). Four different cementitious materials were synthesised: PC, AAS, GP, and a mix GP-AAS and fully compared about their compositions and (micro)-structures. X-ray diffraction has revealed the presence of semi-crystalline C-S-H gel binding phase in PC while AAS, GP and GP-AAS are nearly amorphous. Progressive structural changes have been observed between the different samples by means of infrared spectroscopy, ...
[129 Pages Report] Check for Discount on 2017-2022 Europe Top Countries Calcium Aluminate Cement Market Report report by LP Information INC. ...
A second way for foaming melts directly is to add a blowing agent to the melt instead of injecting gas into it. Heat causes the blowing agent to decompose and release gas, which then propels the foaming process (Figure 3a).8 Shinko Wire Company, Amagasaki, Japan, has been producing foams in this way since 1986 with production volumes reportedly up to 1,000 kg per day. In a first step, about 1.5 wt.% calcium metal is added to an aluminum melt at 680 C. The melt is stirred for several minutes, during which its viscosity continuously increases by a factor of up to five because of the formation of calcium oxide (CaO), calcium-aluminum oxide (CaAl2O4), or perhaps even Al4Ca intermetallics, which thicken the liquid metal. Figure 3b shows the effect of stirring on the viscosity of aluminum melts with various calcium additions.9 After the viscosity has reached the desired value, titanium hydride (TiH2) is added (typically 1.6 wt.%), serving as a blowing agent by releasing hydrogen gas in the hot viscous ...
Browse many computed properties for this orthorhombic Ca(FeO2)2 compound, including formation energy from the elements, energy of decomposition into the set of most stable materials at this chemical composition, bulk crystalline density, and band gap. Also known as: Calcium diiron(III) oxide, Calcium diferrate(III), CCalcium diferrate(III), Diiron(III) calcium oxide. Cite this material using DOI 10.17188/1200890.
Hill, B. E., Misture, S. T. (2013), Atomic Scale Mechanisms of the Reduction of Nickel-Magnesium Aluminate Spinels. Journal of the American Ceramic Society, 96: 3603-3608. doi: 10.1111/jace.12538 ...
Sodium Aluminate Market report provides leading vendors in the Market is included based on profile, business performance, sales. Vendors mentioned as Kemira, GEO, Usalco, Lier Chemical, Tongjie Chemical, Hangzhou Yunhe, Holland Company, Nordisk Aluminat, Carus Group, GAC Chemical, Coogee Chemicals, ICL Performance Products, Alumina, Dequachim
Sinsermsuksakul, Prasert; Hartman, Katy; Kim, Sang Bok; Sun, Leizhi; Park, Helen Hejin; Chakraborty, Rupak; Buonassisi, Tonio et al. (Applied Physics Letters, 2013) Link to Published Version ...
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The awards dinner was the first under the Chambers new Chief Executive Chris Hall. He was named the Chambers new CEO in March.. The awards included the following:. - Henri A. Benoit Award for Leadership in the Private Sector: awarded to WEX, Portland Press Herald, Quirk Chevrolet and Maine Red Claws as the founders of the Stars & Stripes Spectacular fireworks display on July 4.. - Neal W. Allen Award for Leadership in the Public Sector: awarded to Mayor Michael Brennan, Portlands first popularly elected mayor in nearly 100 years.. - Robert R. Masterton Award for Economic Development: awarded to Fluid Imaging Technologies Inc., which produces a piece of equipment called a FlowCAM that analyzes and photographs microscopic particles suspended in fluid.. ...
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Analysis was undertaken at a national level to examine the proportion of mains bursts that are caused by failures of previous repairs, and how these vary between pipe materials and UK water companies.. Bursts identified as such were analysed to determine the likely cause of the failure; whether this was due to issues present at the time of the initial repair (e.g. poor workmanship), or to deterioration of the repair materials used.. Focusing on issues identified in the analysis, consolidated guidance has been prepared for maintenance operatives carrying out mains repairs in order to minimise the risk of future repeat failure.. ...
... (calcium bisulphite) is an inorganic compound which is the salt of a calcium cation and a bisulfite anion. It ... This inorganic compound-related article is a stub. You can help Wikipedia by expanding it.. *v ... It is a weak reducing agent, as is sulfur dioxide, sulfites, and any other compound containing sulfur in the +4 oxidation state ... Calcium bisulfite is an acid salt and behaves like an acid in aqueous solution. ...
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( ...
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 ...
For the chemical compound, see Calcium silicate.. AAA batteries. D, C, AA, AAA, AAAA, 9-Volt batteries ...
... (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 ...
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 ...
The most commonly used supplement compounds are ascorbic acid, sodium ascorbate and calcium ascorbate.[2] Vitamin C molecules ... and from that compound non-reversibly to 2,3-diketogluonate and then oxalate. These three compounds are also excreted via urine ... E302 calcium ascorbate (approved for use as a food additive in the EU,[88] U.S.[89] and Australia and New Zealand)[90] ... These compounds can be restored to a reduced state by glutathione and NADPH-dependent enzymatic mechanisms.[17][18][19] ...
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 ...
Paul, H.; Reginato, A. J.; Schumacher, H. R. (1983). "Alizarin Red S Staining as a Screening Test to Detect Calcium Compounds ... and tissue block containing calcium stain red immediately when immersed in alizarin. Thus, both pure calcium and calcium in ... in modern times is as a staining agent in biological research because it stains free calcium and certain calcium compounds a ... The chemical is now commonly used in medical studies involving calcium. Free (ionic) calcium forms precipitates with alizarin, ...
IDS binds to calcium exceptionally well and forms stable compounds with other heavy metal ions. In addition to having a lower ... Main article: Sodium calcium edetate. A specific salt of EDTA, known as sodium calcium edetate, is used to bind metal ions in ... The compound was first described in 1935 by Ferdinand Münz, who prepared the compound from ethylenediamine and chloroacetic ... Substance Name: Sodium calcium edetate. NIH.gov *^ Paolieri, Matteo (December 2017). "Ferdinand Münz: EDTA and 40 years of ...
... is the chemical compound Ca2SiO4, also known as calcium orthosilicate and is sometimes formulated as 2CaO·SiO2 ... Calcium monosilicate. Calcium hydrosilicate. Calcium metasilicate, Calcium orthosilicate. Grammite. Micro-cell. Silene. ... it chemically reacts with calcium hydroxide or calcium carbonate to form calcium silicate hydrate, sealing micropores with a ... Calcium silicate, also known as slag, is produced when molten iron is made from iron ore, silicon dioxide and calcium carbonate ...
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 ... Beryllium difluoride Magnesium fluoride Calcium fluoride Strontium difluoride Barium fluoride Samarium difluoride Europium ... difluoride Ytterbium difluoride Compounds of the form MF2: Cadmium difluoride Chromium(II) fluoride Cobalt difluoride Copper(II ...
Strontium acetate and chloride: These compounds share a similar chemical structure to calcium. Strontium based toothpastes ( ... calcium sodium phosphosilicate toothpaste and an 8% arginine/calcium carbonate toothpaste - for the longer-term relief of ... Some Sensodyne products contain calcium sodium phosphosilicate CSPS (Novamin), which appears to help with tooth sensitivity.[5] ... Freda, Nicolas M; Veitz-Keenan, Analia (March 2016). "Calcium sodium phosphosilicate had some benefit on dentine ...
Examples include calcium, zinc, manganese, phosphate, fluoride and sodium compounds. Water generated from the biochemical ...
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. ...
Related compounds Other anions Calcium sulfide. Calcium hydroxide Other cations Beryllium oxide. Magnesium oxide. Strontium ... Kouzu, M.; Kasuno, T.; Tajika, M.; Sugimoto, Y.; Yamanaka, S.; Hidaka, J. (2008). "Calcium oxide as a solid base catalyst for ... "Preparation of Biodiesel Catalyzed by Solid Super Base of Calcium Oxide and Its Refining Process". Chinese Journal of Catalysis ...
Related compounds Other anions Calcium bicarbonate Other cations Magnesium carbonate. Strontium carbonate. Barium carbonate ... The British Calcium Carbonate Association - What is calcium carbonate. *CDC - NIOSH Pocket Guide to Chemical Hazards - Calcium ... CaCO3 എന്ന രാസസമവാക്യമുള്ള ഒരു രാസസംയുക്തമാണ് കാൽസ്യം കാർബണേറ്റ് (Calcium carbonate). ചുണ്ണാമ്പുകല്ല്, കക്ക, ഒച്ചിന്റെ പുറംതോട് ... Rohleder, J.; Kroker, E. (2001). Calcium Carbonate: From the Cretaceous Period Into the 21st Century. Springer Science & ...
Powders and pastes of calcium compounds were also used to help remove grease so the ink would not run. To make the parchment ...
The reaction is catalyzed by magnesium-, aluminium-, or calcium-organoelement compounds. To prevent coagulation of polymer ... Polyethylene glycol (PEG) is a polyether compound with many applications from industrial manufacturing to medicine. PEG is also ... PEG is often used (as an internal calibration compound) in mass spectrometry experiments, with its characteristic fragmentation ...
Langer discovered and developed five compounds : diltiazem, a calcium antagonist (for coronary insufficiency); betazolol, a ...
Common compounds containing metasilicate anion are: Sodium metasilicate Calcium metasilicate Barium metasilicate. ...
The results showed that both compound and unitary inhibitory postsynaptic potentials are amplified by dendritic calcium ion ... The resultant products bind to inositol triphosphate (IP3) receptors through calcium ion channels. The calcium comes from ... They can also block calcium ion channels to hyperpolarize postsynaptic cells. Significance[edit]. There are many applications ... Low-voltage activated calcium ion conductance enhances even larger EPSPs. The hyperpolarization activated nonselective cation ...
Common macronutrients analyzed include compounds of nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. Soil is ...
... 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 ...
Strontium acetate and chloride: These compounds share a similar chemical structure to calcium. Strontium based toothpastes ( ... Calcium sodium phosphosilicate (Novamin) appears to help with tooth sensitivity. Sensodyne has removed the calcium sodium ... Freda, NM; Veitz-Keenan, A (March 2016). "Calcium sodium phosphosilicate had some benefit on dentine hypersensitivity". ... acetate and chloride) are therefore able to replace some of the lost calcium and block the exposed tubules in the dentinal ...
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, ...
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 ...
Other articles where Calcium carbide is discussed: chemical industry: Ethylene: …from a completely different source, calcium ... In calcium: Compounds. …material in the production of calcium carbide, CaC2, also known simply as carbide, or calcium acetylide ... important of these compounds is calcium carbide, CaC2. The primary use for calcium carbide is as a source of acetylene for use ... Calcium carbide is synthesized industrially from calcium oxide (lime), CaO, and carbon in the form of coke at about 2,200 °C ( ...
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 "https://www.wikidoc.org/index.php?title=Category:Calcium_compounds&oldid=368441" ...
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 MacRaesBlueBook.com 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 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 ...
Inhibition of Calcium signaling with compounds from CherryPick01 tested with FuraRed. ...
Sample records for COMPUESTOS DE CALCIO (calcium compounds). from WorldWideScience.org. 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 110.degree. under N with stirring 30 min. The obtained cold mass is then crushed and sieved to yield 4:1 adduct (III), 96%, m. 92-106.degree. (.alpha.) 35.degree. (MeOH), 25.degree. (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. 195-202.degree. (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 ...
... 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 ...
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. ...
  • 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. (deepdyve.com)
  • CaCl2 + Na2SO3 → CaSO3 + 2 NaCl The structure of calcium sulfite has been examined by X-ray crystallography. (wikipedia.org)
  • Calcium and barium are weakly radioactive: calcium contains about 0.1874% cacium-41, and barium contains about 0.1062% barium-130. (wikipedia.org)
  • Organobarium compounds of the type (allyl)BaCl are known and can be prepared by reaction of activated barium (Rieke method reduction of barium iodide with lithium biphenylide) with allyl halides at −78 °C. Subsequent reaction of these allylbarium compounds with carbonyl compounds is reported to be more alpha-selective and more stereoselective than the related Grignards or organocalcium compounds. (wikipedia.org)
  • (EN) A fluorescent compound exhibiting a high affinity to calcium-binding proteins (CaBP) is provided. (wipo.int)
  • Natural News ) Combining the herbal compounds of Radix aconiti carmichaeli and licorice could regulate calcium proteins and protect the heart , according to a new study. (naturalnews.com)
  • Moreover, the expression of calcium regulation protein in the myocardial cell was assessed by Western-blotting, which is an analytic technique that is utilized in immunogenetics, molecular biology, and other molecular biology principles to identify specific proteins in a sample of tissue homogenate. (naturalnews.com)
  • In conclusion, the results indicate that aconitine with liquiritin and glycyrrhetinic acid may regulate the expression of calcium-regulated proteins to defend myocardial cells from damage. (naturalnews.com)
  • The orthogonal combination of aconitine with liquiritin and glycyrrhetinic acid may regulate the expression of calcium regulatory proteins to inhibit the cytotoxicity of myocardial induced by aconitine, enhance the calcium regulatory adaption of myocardial cells, maintain the function of heart diastole and systole, and whence achieve the effect of toxicity reducing and efficacy enhancing," the researchers wrote. (naturalnews.com)
  • They make their entrance into the cytoplasm either from outside the cell through the cell membrane via calcium channels (such as calcium-binding proteins or voltage-gated calcium channels), or from some internal calcium storages such as the endoplasmic reticulum and mitochondria. (wikipedia.org)
  • Levels of intracellular calcium are regulated by transport proteins that remove it from the cell. (wikipedia.org)
  • Several organisms have developed methods to stabilize ACC by using specialized proteins for various purposes, for instance, ACC is being used by freshwater crustaceans to store calcium during their molt cycle, in specialized storage organs called gastroliths. (wikipedia.org)
  • Calcium silicate is the chemical compound Ca 2 SiO 4 , also known as calcium orthosilicate and is sometimes formulated as 2CaO·SiO 2 . (wikipedia.org)
  • Calcium silicate is a white free-flowing powder. (wikipedia.org)
  • Calcium silicate is used as an anticaking agent in food preparation, including table salt and as an antacid . (wikipedia.org)
  • Calcium silicate is commonly used as a safe alternative to asbestos for high-temperature insulation materials. (wikipedia.org)
  • Industrial-grade piping and equipment insulation is often fabricated from calcium silicate. (wikipedia.org)
  • Calcium silicate competes in these realms against rockwool and proprietary insulation solids, such as perlite mixture and vermiculite bonded with sodium silicate . (wikipedia.org)
  • Although it is popularly considered an asbestos substitute, early uses of calcium silicate for insulation still made use of asbestos fibers. (wikipedia.org)
  • Circuit integrity fireproofing of cable trays in Lingen/Ems, Germany using calcium-silicate board system qualified to DIN 4102. (wikipedia.org)
  • It is used in passive fire protection and fireproofing as calcium silicate brick or in roof tiles. (wikipedia.org)
  • It is one of the most successful materials in fireproofing in Europe because of regulations and fire safety guidelines for commercial and residential building codes (see Calcium Silicate use in Europe ). (wikipedia.org)
  • Where North Americans use spray fireproofing plasters , Europeans are more likely to use cladding made of calcium silicate. (wikipedia.org)
  • High-performance calcium-silicate boards retain their excellent dimensional stability even in damp and humid conditions and can be installed at an early stage in the construction program, before wet trades are completed and the building is weather-tight. (wikipedia.org)
  • Fabricators and installers of calcium silicate in passive fire protection often also install firestops . (wikipedia.org)
  • For the chemical compound, see Calcium silicate . (wikipedia.org)
  • citation needed] While the best possible reaction to fire classifications are A1 (construction applications) and A1Fl (flooring applications) respectively, both of which mean "non-combustible" according to EN 13501-1: 2007, as classified by a notified laboratory in Europe, some calcium-silicate boards only come with fire classification of A2 (limited combustibility) or even lower classifications (or no classification), if they are tested at all. (wikipedia.org)
  • citation needed] Calcium silicate, also known as slag, is produced when molten iron is made from iron ore, silicon dioxide and calcium carbonate in a blast furnace. (wikipedia.org)
  • When this material is processed into a highly refined, re-purposed calcium silicate aggregate, it is used in the remediation of acid mine drainage (AMD) on active and passive mine sites. (wikipedia.org)
  • Rigid skeletons are formed from materials including chitin (in arthropods), calcium compounds such as calcium carbonate (in stony corals and mollusks) and silicate (for diatoms and radiolarians). (wikipedia.org)
  • 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. (rsc.org)
  • Release kinetic studies revealed that all flavouring compounds showed an accelerated release when loaded in FCC compared to dissolution of the flavouring compound itself in aqueous medium. (rsc.org)
  • Fresh-cut Braeburn apple slices were dipped into cold water (4 C for 2 min) or hot water (HWT, 48 C or 55 C for 2 min) followed by dips into 0 or 6% w/v aqueous calcium ascorbate (CaAsc, 2 min, 0 C) and stored in air up to 28 d at 4 C. Microbial counts, changes in browning and sensory acceptance were determined to indicate changes in quality. (edu.au)
  • Calcium bisulfite is an acid salt and behaves like an acid in aqueous solution. (wikipedia.org)
  • 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). (nih.gov)
  • The intracellular calcium antagonists of the HA compound group appear to be promising agents for the treatment of intractable cerebral vasospasm. (nih.gov)
  • 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. (naturalnews.com)
  • 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). (mdpi.com)
  • 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. (mdpi.com)
  • 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. (nwu.ac.za)
  • In contrast, the chemotactic peptide, formylmethionyl-leucyl-phenylalanine (FMLP), induced a rise in intracellular calcium concentration which peaked within 1 min. (osti.gov)
  • The remainder of calcium is present within the extracellular and intracellular fluids. (wikipedia.org)
  • Within a typical cell, the intracellular concentration of ionized calcium is roughly 100 nM, but is subject to increases of 10- to 100-fold during various cellular functions. (wikipedia.org)
  • The intracellular calcium level is kept relatively low with respect to the extracellular fluid, by an approximate magnitude of 12,000-fold. (wikipedia.org)
  • This gradient is maintained through various plasma membrane calcium pumps that utilize ATP for energy, as well as a sizable storage within intracellular compartments. (wikipedia.org)
  • This means that too much calcium within the cells can lead to hardening (calcification) of certain intracellular structures, including the mitochondria, leading to cell death. (wikipedia.org)
  • Three important ways for synthesis of dialkyl and diaryl group 2 metal compounds is by metathesis: MX2 + R-Y → MR2 + Y-X' By transmetallation: M'R2 + M → MR2 + M' Manipulation of the Schlenk equilibrium of the organometal halides: 2 RMX → MR2 + MX2 See for example the formation of dimethylmagnesium. (wikipedia.org)
  • Calcium (Ca) , chemical element , one of the alkaline-earth metals of Group 2 (IIa) of the periodic table . (britannica.com)
  • A wide range of these compounds have been made involving lithium, alkaline earth metals and lanthanides, and their structures determined using crystallographic techiques such as X-ray crystallography. (wikipedia.org)