单词 | phosphate |
释义 | phosphatephos‧phate /ˈfɒsfeɪt $ ˈfɑːs-/ noun [countable, uncountable] Word Origin WORD ORIGINphosphate ExamplesOrigin: 1700-1800 French acide phosphorique ‘phosphoric acid’EXAMPLES FROM THE CORPUS word sets
WORD SETS► Compounds Collocationsacetylene, nounammonia, nounbase, nounbromide, nouncarbolic acid, nouncarbon dioxide, nouncarbon monoxide, nounCFC, nounchloride, nounchlorofluorocarbon, nounchloroform, nouncompound, noundioxide, nounfluoride, nounfluorocarbon, nounHtwoO, nounhydrocarbon, nounhydrochloric acid, nounhydrogen peroxide, noun-ide, suffixmonosodium glutamate, nounMSG, nounnitrate, nounoxide, nounperoxide, nounphosgene, nounphosphate, nounpolymer, nounproduct, nounsilica, nounsilicone, nounsodium chloride, noun COLLOCATIONS FROM THE CORPUSADJECTIVE► dietary 1one of the various forms of a salt of phosphorus, often used in industry2[usually plural] a substance containing a phosphate used for making plants grow better· Consequently, the lytic activity of faecal water was decreased. Dietary phosphate did not interfere with these intestinal effects of calcium.· This includes dietary phosphate and calcium restriction as well as aluminum hydroxide antacids.· Supplementary dietary phosphate decreased the fatty acid concentration only on the low calcium diet.· The bile acid concentration in faecal water also decreased with increasing dietary calcium, and this was not influenced by dietary phosphate.· These protective effects of calcium are not inhibited by a fourfold increase in dietary phosphate.· Quantification of these interactions is essential for a proper discussion of the intestinal effects of dietary calcium and phosphate.· Consequently, precipitation of luminal calcium by dietary phosphate should inhibit these effects.· This inhibition was partly counteracted by increased dietary phosphate. NOUN► calcium· As shown earlier, taurine conjugated bile acids are not precipitated by calcium or calcium phosphate.· These include the development of tetany and the deposition of calcium phosphate in soft tissues.· In contrast, the unconjugated, carboxylic, bile acids are easily precipitated by calcium phosphate.· Over the past decade many synthetic bone fillers have been made, almost all of which are calcium phosphate or carbonate-based ceramics.· Calcium supplementation increased the intestinal concentrations of insoluble phosphate, which indicates formation of insoluble calcium phosphate.· Increased dietary calcium increased faecal phosphate because the formation of insoluble calcium phosphate inhibits the absorption of phosphate. ► group· The second interferon-induced enzyme adds a phosphate group to a protein that is essential for the synthesis of new proteins to begin.· Transferases are enzymes that catalyze the transfer of groups, such as amino and phosphate groups, between compounds.· Addition of this phosphate group impairs the function of the essential protein, and viral protein synthesis fails to begin.· In the next step enzymes native to the infected cell add two more phosphate groups to make acyclovir triphosphate.· These conformations influence the position of the phosphate group with respect to the grooves of the double helix. ► inositol· Irvine has presented a detailed analysis of the controversy regarding the role of these two inositol phosphates in regulating calcium entry.· The formation of inositol phosphates was determined as described.· In some cells, there are suggestions that these inositol phosphates may directly activate specific channels in the plasma membrane.· There is growing evidence, therefore, that inositol phosphates may have direct effects on calcium channels within the plasma membrane. ► serum· Obviously, careful monitoring of the serum phosphate level is appropriate.· In the latter circumstance, the antacid should simply be stopped for a period of time and the serum phosphate monitored.· It is therefore impossible to predict with certainty what amount of supplementation will result in what increment in the serum phosphate concentration.· An additional reason that serum phosphate may fall is that it may shift into cells. |
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