phospho-comb. form

1946 Nature 24 Aug. 275/2 It was found with a preparation of cozymase and phosphocozymase received from Prof. Otto Warburg that only one pentose was found for two phosphorus atoms.

1964 M. Florkin & E. H. Stotz Comprehensive Biochem. (rev. ed.) XIII. vii. 41 The names ‘cozymase’, ‘phosphocozymase’..should no longer be used.

1927 C. H. Fiske & Y. Subbarow in Science 22 Apr. 402/2 Our main evidence for the existence of ‘phosphocreatine’ in muscle is of a quite different nature.

1950 G. A. Baitsell Human Biol. (ed. 2) xiv. 243 The energy for the resynthesis of phosphocreatine, following contraction, comes indirectly from the oxidation of glucose in the muscle cells.

1990 Jrnl. Developmental Physiol. 14 3/1 We previously reported that increases in the ATP and phosphocreatine contents occur in the first hour of extrauterine life.

1921 Mineral. Abstr. 1 125 Phosphoferrite from Hagendorf, as cloudy-white or greenish, crystalline masses with greasy lustre; H[ardness] 4–5, sp. gr. 3·156.

1974 Nature 27 Sept. 305/2 The evidence clearly points to a complete solid solution series between Fe₃²⁺(H₂O)₃[PO₄]₂ (phosphoferrite) and Fe₃³⁺(OH)₃[PO₄]₂ (kryzhanovskite).

1984 Amer. Mineralogist 69 209/1 Garyansellite is a unique species, a Mg-dominant member of the phosphoferrite group.

1947 Federation Proc. (Federation Amer. Soc. Exper. Biol.) 6 297 (heading) The purification of phosphofructokinase from rabbit muscle.

1970 E. J. Ambrose & D. M. Easty Cell Biol. xiii. 246 Fructose-6-phosphate is phosphorylated by ATP to form fructose-1,6-diphosphate in a reaction catalyzed by a specific phosphofructokinase.

1999 Gun Dog Dec. 46/2 American cockers and English springers can be tested for the gene that causes phosphofructokinase deficiency.

1938 G. T. Cori et al. in Jrnl. Biol. Chem. 124 543 A study of the enzyme which causes a migration of the phosphate group from carbon atom 1 to the spacially [sic] adjacent carbon atom 6; the enzyme will be referred to as phospho~glucomutase.

1964 A. White et al. Princ. Biochem. (ed. 3) xxi. 403 The best-studied mutase is phosphoglucomutase, which has been obtained in pure form from rabbit muscle, yeast, and several bacterial species.

2002 Biochemistry 41 8351 Two classes of phosphoglucomutases (alpha-PGM and beta-PGM) are distinguished on the basis of their specificity for alpha- and beta-glucose-1-phosphate.

1954 Industr. & Engin. Chem. 46 453/1 The regeneration of sulfuric acid from the by-product calcium sulfate, called phosphogypsum.

1983 New Scientist 16 June 760/1 Yellow sludge (phosphogypsum) is produced when phosphate rock is treated with sulphuric acid to make fertiliser.

2001 S. Roaf et al. Ecohouse (2002) vi. 141 It must be natural gypsum, not phosphogypsum, which is radioactive.

1946 J. Folch in Federation Proc. (Federation Amer. Soc. Exper. Biol.) 5 134/1 (title) Isolation of brain diphosphoinositide, a new phosphatide containing inositol meta diphosphate.]

1948 J. Folch & W. M. Sperry in Ann. Rev. Biochem. 17 148 The reviewers advise against the further use of the terms lecithin, cephalin, and sphingomyelin..and propose the adoption of the names..‘phosphoglycerides’, ‘phosphoinositides’, and ‘phosphosphingosides’.

1971 D. G. Bishop in A. R. Johnson & J. B. Davenport Biochem. Lipids xx. 411 Although phosphoinositides have been recognized as important constituents of brain lipids for some time, their occurrence in nature is now known to be widespread.

1990 EMBO Jrnl. 9 3907/1 The turnover of different phospholipids, like phosphoinositide (PI) or phosphatidylcholine (PC), has been implicated in the cascades activated by mitogens.

1946 M. Dixon & D. M. Needham in Nature 28 Sept. 435/1 Needham has given reasons for believing that the component of the pyruvate oxidase system which is inhibited may be a phosphate-transferring enzyme belonging to the same group as hexokinase. We suggested the name ‘phosphokinase’ for this small but important group of enzymes.

1953 Brit. Med. Bull. 9 110/2 The phosphokinases all seem to have the common property that they require the presence of Mg⁺⁺ for their activity.

1990 Nucleic Acids Res. 18 256/2 Approximately 1 × 10⁷ nuclei were added to transcription buffer containing..100 μg/ml creatine phosphokinase.

1856 W. A. Miller Elements Chem. II. 783 The Phosphomolybdate of Soda is an extremely delicate test for the presence of salt of ammonium in solution.

1922 T. M. Lowry Inorg. Chem. xxxix. 747 Ammonium phosphomolybdate, (NH₄)₃PO₄,10MoO₃,..dissolves readily in aqueous ammonia, or when an excess of phosphoric acid is present.

1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. xiv. 538 In recent years a large number of mixed polyanions have been prepared and studied. The best known examples are the phosphomolybdates which are used to precipitate phosphorus from solution.

1989 Nature 8 June 461/1 Arsenate..combines with molybdate to form a heteropolyacid with a molar absorptivity equal to that of the phosphomolybdate complex in the standard analytical phosphate technique.

1866 Proc. Royal Soc. 15 78 It gives a precipitate..with phosphomolybdic acid, bichloride of platinum, and terchloride of gold.

1924 J. B. Cohen Pract. Org. Chem. (ed. 3) 463 A solution of phosphomolybdic acid in nitric acid..gives yellow precipitates of different shades [with alkaloids].

1987 C. M. F. Simpson et al. in A. J. Turner & H. S. Bachelard Neurochemistry vii. 206 This assay..involves the oxidation of phospholipid by perchloric acid with the release of inorganic phosphate which reacts with ammonium molybdate to form phosphomolybdic acid.

1908 Jrnl. Biol. Chem. 4 p. l Joint Recommendations of the Physiological and Biochemical Committees on Protein Nomenclature... Phosphoproteins. Compounds of the protein molecule with some, as yet undefined, phosphorus containing substance other than a nucleic acid or lecithin.

1929 R. A. Gortner Outl. Biochem. xvi. 391 Casein of milk and vitellin of egg yolk are the two most important phosphoproteins.

1992 S. Rose Making of Memory 41 The ATP in its turn was used to synthesize a special class of phosphorus-containing proteins, phosphoproteins, present in very large amounts in the brain.

1964 IBM Jrnl. Res. & Devel. 8 378/2 The importance of the phosphosilicate layer for transistor stabilization has also been shown by the examination of production transistors after life tests.

1975 Physics Bull. Jan. 14/1 A team at Southampton University has also achieved very low losses with a new type of fibre—a phosphosilicate (P₂O₅/SiO₂) glass core contained in a pure silica cladding.

1997 Proc. National Acad. Sci. U.S.A. 94 9114/2 Briefly, phosphosilicate glass..is placed on a silicon wafer.

1865 E. Parrish Treat. Pharmacy (ed. 3) 626 Another very important test for the discovery of the alkaloids is Scheibler's phospho-tungstate of soda, a solution containing only ¹/ ₂₀₀₀₀₀ part of strychnia is rendered opalescent.

1938 M. S. Dunn in C. L. A. Schmidt Chem. Amino Acids & Proteins ii. 79 Lysine is purified as the phosphotungstate and isolated as the dipicrate and dihydrochloride.

1982 T. M. Devlin Textbk. Biochem. vi. 272 (caption) The enzyme complex was negatively stained with phosphotungstate.

1879 Jrnl. Amer. Chem. Soc. 1 111 The author [sc. W. Gibbs] modifies a former statement concerning salts of phosphotungstic acid containing more than 6 atoms of base, the supposed 7th and 8th atom salts proving to be either mixtures or salts of other series.

1934 C. C. Steele Introd. Plant Biochem. v. xiii. 132 The most widely used method is precipitation from solution with phosphotungstic acid.

1995 McGill Jrnl. Med. Spring 16/2 Incubations were carried out for 15 min at 37°C and stopped by the addition of 1.0 ml of ice-cold 1% phosphotungstic acid.

1838 T. Thomson Chem. Org. Bodies 186 Phosphovinate of barytes was the salt which M. Pelouze chiefly studied, and by means of which, he determined the composition of phosphovinic acid.

1866 H. Draper Text-bk. Chem. 414 Phosphovinic Acid (C₄H₅O,PO₅+2HO)..is a syrupy liquid, of a sour taste, and dissolves in water, alcohol, and ether readily.

1878 C. T. Kingzett Animal Chem. 276 By precipitation of its hydrochloric acid solution with phosphowolframic acid.

1904 Lancet 5 Mar. 654 Secondly, there was found a marked decrease in the proportion of uric acid nitrogen and other bodies precipitated by phospho-wolframic acid.

1980 Jrnl. Nat. Products 43 196 The filtrate was acidified with sulfuric acid, and the alkaloids were precipitated with phosphowolframic acid.