What's the difference between cyanide and ferricyanide?

Cyanide


Definition:

  • (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.

Ferricyanide


Definition:

  • (n.) One of a complex series of double cyanides of ferric iron and some other base.

Example Sentences:

  • (1) Nevertheless, oxidation of the phenyldiazene-treated enzyme with ferricyanide provides the NA and NC regioisomers of N-phenylprotoporphyrin IX in a 40:60 ratio.
  • (2) Adrenodoxin reductase, the flavoprotein moiety of the adrenal cortex mitochondrial steroid hydroxylating system, participates in adrenodoxin-dependent cytochrome c and adrenodoxin-independent ferricyanide reduction, with NADPH as electron donor for both of these 1-electron reductions.
  • (3) 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.
  • (4) Marked inhibition was demonstrated for the 2.6-dichlorophenolindophenol-, ferricyanide- and O2-reductase reactions, being weakly pronounced during the measurement of the NADH: cytochrome c reductase activity.
  • (5) Sections of Rat and Amphibian adrenocortical tissue fixed in a mixture of 1% formaldehyde and 0.25% glutaraldehyde, are incubated in a medium containing namely a 3 beta-hydroxysteroid (substrate), NAD, potassium ferricyanide (hydrogen acceptor) and copper sulfate.
  • (6) In situ oxidation of the phenyl-iron complex by ferricyanide yields exclusively the N-phenylprotoporphyrin IX regioisomer with the phenyl group on the nitrogen of pyrrole ring C (NC).
  • (7) The decrease of FpT activity for the reduction of cytochrome c was greater than that for the reduction of ferricyanide.
  • (8) This electron transport system can also use ferricyanide as an electron acceptor, but is unable to oxidize NADPH.
  • (9) It was found that if horse heart ferricytochrome c was exposed to ferricyanide (to oxidize traces of reduced protein) the cytochrome subsequently, even after extensive dialysis, had an apparent equilibrium constant different from that of electrodialyzed protein.
  • (10) This was achieved by conversion with potassium ferricyanide.
  • (11) Moreover, electron transfer inhibitors block electron transfer from formate to nitrate to a significantly higher extent than from formate to ferricyanide.
  • (12) Not all oxidizing agents are inhibitory; perchlorate, peroxide and ferricyanide have no effect on urea transport or water flow.
  • (13) Oxidized viologen dyes, flavin nucleotides, dichlorophenol indophenol and ferricyanide can act with efficiency as acceptors in the reaction mediated by these diaphorases.
  • (14) Its visible absorption spectrum differs from that reported for I, and it reacted very slowly with ferricyanide.
  • (15) When microsomal preparation was further fractionated by isopycnic centrifugation in the presence of deoxycholate or by partitioning of sonicated microsomal preparation in aqueous-polymer two-phase systems, most of the haem oxygenase activity was found in a fraction different from the main fraction of the NADH- and NADPH-cytochrome c reductase and NADH--ferricyanide reductase activities.
  • (16) Oxidative inactivation by ferricyanide results in the release of most of the Mo, Fe and S atoms from the protein which causes the loss of the absorption bands in the visible region.
  • (17) OBQ-2 differing in the presence of the polar sulphogroup does not react with the intracellular oxyhemoglobin and exerts no effect on the ferricyanide reduction.
  • (18) The NADH and NADPH ferricyanide reductase activities present in mitochondrial NADH-CoQ reductase preparations have been studied utilizing two photoaffinity pyridine nucleotide analogues: arylazido-beta-alanyl NAD+ (A3'-O-[3-[N-(4-azido-2-nitrophenyl)amino]propionyl]NAD+) and arylazido-beta-alanyl NADP+ (N3'-O-[3-[N-(4-azido-3-nitrophenyl)amino]propionyl]NADP+).
  • (19) Cross-linking inhibits the following activities of the complex--NADH----3-acetylpyridine adenine dinucleotide (oxidized), NADH----2,6-dichloroindophenol, NADH----ferricyanide, and NADH----menadione--to different degrees with the greatest inhibition occurring with either ferricyanide or 3-acetylpyridine adenine dinucleotide as electron acceptor.
  • (20) Ferricyanide and 2,6-dichlorophenol-indophenol were effective as electron acceptors.