(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.
Ferrocyanide
Definition:
(n.) One of a series of complex double cyanides of ferrous iron and some other base.
Example Sentences:
(1) Ferric ion and ferrocyanide are bound to nodes as colloidal precipitates, and may migrate away from their sites of formation.
(2) Glutaraldehyde-fixed testes were stained "en bloc" with the Ur-Pb-Cu technique of Thiéry and Rambourg ('76) or post-fixed and stained with the osmium tetroxide-potassium ferrocyanide method of Karnovsky ('71).
(3) The two-step method uses cationic cacodylate iron colloid which is substituted with Tween 20 at an OD460 nm = 0.5, followed by Perls' reaction with acid potassium ferrocyanide.
(4) Postfixation with unbuffered ferrocyanide-reduced osmiumtetroxide contributes to a better localization of microperoxisomes in both celltypes.
(5) It was recently reported that sequential block staining of tissue with ferrocyanide-reduced osmium tetroxide and lead aspartate produced excellent contrast for EM autoradiography, with sections relatively free of lead precipitate.
(6) In in vitro experiments ferrocyanide did not penetrate into erythrocytes, nor did it adhere to the red cell membrane.
(7) Ferrocyanide solutions absorb light energy in a photochemical reaction that causes cyanide radicals to be lost from the iron complex.
(8) A system consisting of an interlacunar network and thick fibrils was demonstrated in the matrix of human fetal and neonatal hyaline cartilage, using an osmium-ferrocyanide mixture as a second fixative.
(9) In particular the kinetics of the reaction of cytochrome cr and cytochrome cn (native) with ascorbate, ferrocyanide-ferricyanide, O2 and cytochrome c oxidase were investigated in considerable detail.
(10) In this pH range ferricyanide-oxidized cytochrome b-559 exists in a form not reducible by ferrocyanide.
(11) This rate also decreased at higher pH, with a pK of 7.4, indicating that ferrocyanide also was most reactive with a protonated form of the reaction center.
(12) Neutrophil iron-binding reactivity (NFeBR) visualized using the iron nitrilotriacetate-acid ferrocyanide technique was rated 0 to 5+ in 100 segmented cells; the ratings were totaled to yield a score (NFeBRS).
(13) A final precipitate of copper ferrocyanide is observed in the immediate vicinity of the tubules of the smooth endoplasmic reticulum, or in contact with their external faces.
(14) In intact dogs continuously infused with indicator, ferrocyanide also reached its ultimate distribution volume in 2 hrs and remained constant thereafter for up to 7 hrs after the start of the infusion.
(15) Accordingly, stable electron transfer dependent membrane potentials require cytochrome c, oxygen, and ferrocyanide.
(16) To evaluate the ultrastructural distribution of transferrin on the surface of L1210 ascites tumor cells, we used ferrocyanide to stain ferric iron (Prussian blue reaction) in transferrin, as well as in ferritin conjugated to antibody that was immunologically attached to the transferrin.
(17) The pattern of esterase activity in the thyroid of the guinea-pig is constant, irrespective of whether ferri-ferrocyanide (FFC) or certain copper compounds are used as oxidizing agents in the incubation medium.
(18) Ferric ion-ferrocyanide staining and safranin-0-counterstaining of neocortical tissue from cats with GM1 gangliosidosis have established that pyramidal neuron meganeurites occur proximal to axonal initial segments and that they are distinct from axonal spheroids.
(19) The rate of reaction of ferro- and ferricytochrome c (C(II) and C(III) with ferri- and ferrocyanide and of C(III) with 02- and CO2- was determined in H2O and in 2H2O in the temperature range 5-35 degrees C. No isotope effect was evident in any of the reductions of C(III); the apparent energy of activation was identical in H2O and 2H2O.
(20) The binuclear Cu2+ complex was found to accept only one electron from ferrocyanide.