(n.) A compound formed by the union of cyanogen with an element or radical.
Example Sentences:
(1) Uptake could be supported either by substrate oxidation or by adenosine 5'-triphosphate (ATP), and was inhibited in the former case by antimycin or cyanide, in the latter case by oligomycin, and in both cases by 2,4-dinitrophenol.
(2) The rhodamine 123-induced growth inhibition was partially reversed by treating the dye-pre-exposed infected erythrocytes with the proton ionophore carbonyl-cyanide m-chlorophenylhydrazone, which dissipates transmembrane proton gradients.
(3) These results are in marked contrast to our results with stroma-free methemoglobin solutions (SFMS) which showed SFMS to be a highly effective antidote against four times the LD90 when administered 30 seconds after an intravenous injection of cyanide.
(4) A sharp decrease in oxygen uptake occurred in Neurospora crassa cells that were transferred from 30 degrees C to 45 degrees C, and the respiration that resumed later at 45 degrees C was cyanide-insensitive.
(5) R2 values for cyanide intake (independent variable) on serum protein (dependent variable) increased from day 30 to 90 of the trial.
(6) The cattle filarial parasite Setaria digitata, a facultative anaerobe which is reported to be cyanide insensitive, lacks cytochromes and presents many unique characters.
(7) The electronic structure of the low-spin ferric iron in cyanide complex appears to be modulated by halide binding to a protonated amino acid in the distal heme cavity.
(8) In the present work we report that 1) the catalytic center or the essential domains of dicarboxylyl-CoA synthetase are located at the cytosolic aspect of the endoplasmic reticulum membrane; 2) dicarboxylyl-CoA oxidase is optimally active on dodecanedioyl-CoA and is a peroxisomal enzyme; 3) cyanide-insensitive dodecanedioyl-CoA oxidation (NADH production) is catalyzed by rat liver homogenates.
(9) This allowed hydrogen cyanide gas to enter the thoracic cavity and diffuse into the blood probably causing the high blood-cyanide level.
(10) Neither cytochrome a nor cytochrome c appears to be an obligatory intermediate in cyanide-sensitive nicotinamide adenine dinucleotide oxidation in B. subtilis.
(11) The pyruvate dehydrogenase multienzyme complex from bovine kidney and heart is inactivated by treatment with pyridoxal 5'-phosphate and sodium cyanide or sodium borohydride.
(12) Fish stocks have been decimated by methods that include cyanide poisoning.
(13) The synthesis of aminolaevulate by freeze-dried particles decreased more than that of aminoacetone in the absence of added pyridoxal phosphate, in the presence of cyanide and of tris buffer, and after preincubation of the erythrocyte particles.
(14) The use of both mPMS and azide also eliminated the production of NBT monoformazan which occurred with PMS and cyanide.
(15) A similar plot for amygdalin was curvilinear, with the rate of cyanide release increasing with time.
(16) The superoxide dismutase was a cyanide-insensitive protein of approximately 40,000 molecular weight that migrated electrophoretically on acrylamide gels as a single band of activity.
(17) Glycidonitrile, an acrylonitrile metabolite, proved more potent in this respect than the parent acrylonitrile or its end metabolite, cyanide anion.
(18) Studies on the metabolism of nicotine by rabbit liver microsomal fractions in the presence of 0.01 M sodium cyanide have led to the characterization of two isomeric cyanonicotine compounds.
(19) alpha; this also led to restoration of the cyanide or azide insensitivity and the glucose-ferricyanide oxidoreductase activity in the respiratory chain without affecting other respiratory activities such as glucose and sorbitol oxidases.
(20) Release was abrogated by omission of myeloperoxidase or H2O2, heating of MPO, or addition of azide, cyanide, or catalase.
Dicyanide
Definition:
(n.) A compound of a binary type containing two cyanogen groups or radicals; -- called also bicyanide.
Example Sentences:
(1) Under the same conditions a structurally analogous dicyanide complex of the co(II) enzyme forms with the appearance of and axial ESR signal typical of low spin Co(II).
(2) High-resolution Fourier transform NMR at 15.08 MHz was used to observe the proton-decoupled natural-abundance (13)C spectra of aqueous solutions of cobinamide dicyanide (0.067 M), cyanocobalamin (0.024 M), dicyanocobalamin (0.14 M), and coenzyme B(12) (0.038 M).
(3) The glycolysis of lactoperoxidasesensitive streptococci suspended in glucose solution was not inhibited by sulphite, cyanate, cyanide or the ;235 compound' but was inhibited by sulphur dicyanide.
(4) The optical spectrum of the dicyanide lacked the prominent d-d bands of the high-spin monocyanide.
(5) The dicyanide complexes of the Co(II) and Cu(II) enzymes form completely only in frozen solutions and analysis of the ESR spectra show them to have a 5-coordinate square pyrimidal geometry.
(6) The dicyanide complex could be oxygenated reversibly, producing a characteristic new e.p.r.
(7) After mixing of apomyoglobulin with equimolar amounts of hemin dicyanide, the Soret absorption band was shifted to longer wavelengths within 10 ms.
(8) The hemins were dicyanide and monopyridine monocyanide species of deuteroporphyrin IX iron(III) and its 2,4-divinyl(proto) and 2,4-diacetyl derivatives.
(9) The anaerobic phenotype of cobA mutants suggests an early block in corrin ring formation; mutants failed to synthesize cobalamin de novo but did so when the corrin ring is provided as cobyric acid dicyanide or as cobinamide dicyanide.
(10) Excess cyanocobalamin, adenosylcobalamin, methylcobalamin, or cobinamide dicyanide inhibited uptake of B12.
(11) The inhibition by 0.1mm-sulphur dicyanide could be reversed, as could that caused by lactoperoxidase, thiocyanate and hydrogen peroxide, by washing the cells or by the addition of a cell-free extract of a lactoperoxidase-resistant streptococcus.
(12) The reconstitution reaction of ferric cyanomyoglobin from apomyoglobin and hemin dicyanide was investigated with a stopped-flow apparatus by the use of five kinds of probes; (a) Soret absorption, (b) fluorescence quenching of tryptophan, (c) far-ultraviolet CD, (d) near-ultraviolet CD, and (e) Soret CD.
(13) Comparison of the ligand superhyperfine structure on the ESR signals of both dicyanide complexes shows that there are three nitrogen nuclei of the protein present as ligands at the metal binding site; one axial and two equatorial in the dicyanide complexes.
(14) Based on the kinetic results, the following scheme for the reconstitution is proposed; First, hemin dicyanide enters the pocket-like site of the apo chains.
(15) These data indicate that as the number of hydroxy groups increases, the rate of oxidation increases, and that cyanoamides were faster reacting than corresponding cyanoacids, with dicyanides the least reactive.
(16) Sulphur dicyanide also acted as an electron acceptor in the latter reaction.
(17) Reconstitution of apoequine myoglobin (apoEqMb) with hemin dicyanide (FePPIX(CN)2) was monitored by 1H NMR spectroscopy to gain information about the sequence of events leading to metEqMbCN.
(18) Kinetics of the reconstitution of hemoglobin from semihemoglobins alpha and beta with hemin dicyanide have been investigated using three kinds of stopped-flow technique (Soret absorption, fluorescence quenching of tryptophan, and Soret CD).
(19) The effects of 0.1mm-sulphur dicyanide on catabolic enzymes of resting streptococci were very similar to those of the lactoperoxidase-thiocyanate-hydrogen peroxide system.
(20) Levels of cross-reactivity for dicyanide cobinamide and hydroxocobalamin were 9.8 and 8.1%, respectively.