(1) Adenosine diphosphate (ADP) afforded significant protection only at the very highest concentration (5.0 mM); inorganic pyrophosphate (PPi) did not protect against loss of latency at any concentration.
(2) A comprehensive review of the roentgenographic features of calcium pyrophosphate crystal deposition disease (pseudogout) is presented.
(3) Comparison with 99Tc-pyrophosphate uptake in infarcted dog heart, induced by selective obstruction of a coronary artery, suggest that the 111In-labelled F(ab')2 localizes specifically in infarcted myocardium only.
(4) The adequacies of thiamine and riboflavin were assessed by the thiamine pyrophosphate effect and erythrocyte glutathione reductase activity, respectively.
(5) After restrained least-squares refinement of the enzyme-substrate complex with the riboflavin omitted from the model, additional electron density appeared near the pyrophosphate, which indicated the presence of an ADPR molecule in the FAD binding site of PHBH.
(6) The existence of such an intermediate is suggested by an apparent exchange of both dNMP and pyrophosphate (PPi) moieties of the deoxyribonucleotide triphosphate (dNTP) substrate with exogenous molecules.
(7) Studies with resolved components indicate that the thiamine pyrophosphate-dependent enzyme of the complex, i.e., the 2-oxoisovalerate dehydrogenase (lipoamide) (EC 1.2.4.4), is the component stabilized by potassium ion.
(8) These observations support our hypothesis that calcium pyrophosphate dihydrate crystal deposition in joints is regulated by the physical chemical gel state of the connective tissue matrix.
(9) Studies of 12 children with neuroblastoma were performed to assess the comparative sensitivity of skeletal radiography and 99mTc pyrophosphate bone scintigraphy in the detection of metastases to the ends of long bones.
(10) The latter were converted via coupling with moraprenyl phosphoimidazolidate into polyprenyl pyrophosphate derivatives of (I) and (II), which both serve as substrates for mannosylation and polymerisation reactions with enzymes form the Salmonella anatum and S. typhimurium membranes.
(11) Thirty-eight fluids were found to have crystals (monosodium urate (MSU) in 15, calcium pyrophosphate dihydrate (CPPD) in 5, CPPD plus apatite-like crystals in 9, apatite-like clumps alone in 8 and lipid liquid in 1).
(12) They received an oral prophylaxis and were assigned to the use of either the dentifrice containing soluble pyrophosphate and the copolymer, or to the dentifrice containing soluble pyrophosphate but without the copolymer, or to a placebo dentifrice that did not contain an anticalculus ingredient.
(13) The activity is readily solubilized by glucose-6-phosphate, ATP, pyrophosphate, high salt concentrations and, to a lesser extent, ribonucleoside triphosphates.
(14) The results of this study show that the biosynthetic pathway for the formation of C40 carotenes in H. cutirubrum proceeds as follows: isopentenyl pyrophosphate leads to trans-phytoene leads to trans-phytofluene leads to zeta-carotene leads to neurosporene leads to lycopene leads to gamma-carotene leads to beta-carotene.
(15) The final reaction in which an oligosaccharide in transferred from a dolichol pyrophosphate derivative to an endogenous protein was detected in reticulocyte but not in erythrocyte plasma membranes.
(16) Fructose 2-phosphorothioate 6-phosphate was 10-100-fold less potent than authentic fructose 2,6-bisphosphate in stimulating 6-phosphofructo-1-kinase and pyrophosphate:fructose 6-phosphate phosphotransferase, but about 10 times more potent in inhibiting fructose 1,6-bisphosphatase.
(17) The purified enzyme hydrolyzed pyrophosphate bonds of nucleoside di- and triphosphates in the presence of calcium ion.
(18) Thus, with elution by either ATP or pyrophosphate, actin has been purified in one step from extracts of acetone-dried muscle powder.
(19) Eighty-eight patients admitted to a coronary care unit with chest pain of varying etiology but without ECG evidence of an acute transmural myocardial infarction had myocardial scintigrams using technetium-99m stannour pyrophosphate (99m-Tc-PYP).
(20) OSC activity was restored in the mutants as determined by [14C]acetate incorporation in vivo as well as incorporation in vitro in cell-free extracts using either [14C]isopentenyl pyrophosphate or [3H]OS as substrate.
Salt
Definition:
(n.) The chloride of sodium, a substance used for seasoning food, for the preservation of meat, etc. It is found native in the earth, and is also produced, by evaporation and crystallization, from sea water and other water impregnated with saline particles.
(n.) The neutral compound formed by the union of an acid and a base; thus, sulphuric acid and iron form the salt sulphate of iron or green vitriol.
(n.) Fig.: That which preserves from corruption or error; that which purifies; a corrective; an antiseptic; also, an allowance or deduction; as, his statements must be taken with a grain of salt.
(n.) Any mineral salt used as an aperient or cathartic, especially Epsom salts, Rochelle salt, or Glauber's salt.
(n.) Marshes flooded by the tide.
(n.) Of or relating to salt; abounding in, or containing, salt; prepared or preserved with, or tasting of, salt; salted; as, salt beef; salt water.
(n.) Overflowed with, or growing in, salt water; as, a salt marsh; salt grass.
(n.) Fig.: Bitter; sharp; pungent.
(n.) Fig.: Salacious; lecherous; lustful.
(v. t.) To sprinkle, impregnate, or season with salt; to preserve with salt or in brine; to supply with salt; as, to salt fish, beef, or pork; to salt cattle.
(v. t.) To fill with salt between the timbers and planks, as a ship, for the preservation of the timber.
(v. i.) To deposit salt as a saline solution; as, the brine begins to salt.
(n.) The act of leaping or jumping; a leap.
Example Sentences:
(1) Samples are hydrolyzed with Ba (OH)2, and the hydrolysate is passed through a Dowex-50 column to remove the salts and soluble carbohydrates.
(2) Ursodeoxycholate was the only dihydroxy bile salt which was able to solubilize phospholipid (although not cholesterol) below the critical micellar concentration.
(3) Furthermore, recent investigations into the pharmacokinetics of lithium salts are dealt with.
(4) The influence of calcium ions on the electrophoretic properties of phospholipid stabilized emulsions containing various quantities of the sodium salts of oleic acid (SO), phosphatidic acid (SPA), phosphatidylinositol (SPI), and phosphatidylserine (SPS) was examined.
(5) The role of adrenergic agents in augmenting proximal tubular salt and water flux, was studied in a preparation of freshly isolated rabbit renal proximal tubular cells in suspension.
(6) An investigation of the constitutive ions of salts revealed that their effects were additive only in the case of salts that have no specific binding capability.
(7) Benzyloxycarbonylarginine p-nitrophenyl ester and other activated esters of N-a-sustituted arginine salts may be useful reagents for introduction of trypsin-labile protecting groups into peptide fragments for purpose of polypeptide semi-synthesis.
(8) The association constants K'A, KN, and K'N in the scheme (see article), were determined for the magnesium salts of ADP, adenyl-5'-yl imidodiphosphate AMP-P(NH)P, and PPi.
(9) In contrast to this, adrenalectomy decreased ANP levels markedly in the organum vasculosum laminae terminalis and preoptic periventricular nucleus, which are reportedly involved in the central regulation of salt and water homeostasis.
(10) For routine use, 50 mul of 12% BTV SRBC, 0.1 ml of a spleen cell suspension, and 0.5 ml of 0.5% agarose in a balanced salt solution were mixed and plated on a microscope slide precoated with 0.1% aqueous agarose.
(11) Transcription studies in vitro on repression of the tryptophan operon of Escherichia coli show that partially purified trp repressor binds specifically to DNA containing the trp operator with a repressor-operator dissociation constant of about 0.2 nM in 0.12 M salt at 37 degrees , a value consistent with the extent of trp operon regulation in vivo.
(12) Mixed micelles of bile salt and phospholipids inhibit the lipase-colipase-catalysed hydrolysis of triacylglycerols.
(13) The first one is a region with iodine insufficiency; the second one is a region where the people use table salt in excess.
(14) One cellulase is buffer-soluble, the other buffer-insoluble but extractable with high salt concentrations.
(15) If salt fluoridation could also be generalized, caries levels could be reduced to a fraction of their initial values.
(16) The major lipase in human milk is dependent on bile salts for activity and probably participates in intestinal digestion of milk lipids in the newborn.
(17) The strain was resistant to bile salts in TCBS medium and demonstrated several properties from a borderline of two Vibrio and Aeromonas species.
(18) Sodium taurolithocholate, a monohydroxy bile salt, does not affect the CD spectrum of CEase, and neither the di- or the monohydroxy bile salt activates the enzyme.
(19) It is therefore suggested that salt water adaptation triggers a cellular reorganization of the epithelium in such a way that leaky junctions (a low resistance pathway) appear at the apex of the chloride cells.
(20) Depending on the differential sensitivity of nuclear T-ag to extraction by salt and detergent, nuclear T-ag could be separated into nucleoplasmic T-ag, salt-sensitive T-ag and matrix-bound T-ag subclasses.