(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.
Ion
Definition:
(n.) One of the elements which appear at the respective poles when a body is subjected to electro-chemical decomposition. Cf. Anion, Cation.
Example Sentences:
(1) Structure assignment of the isomeric immonium ions 5 and 6, generated via FAB from N-isobutyl glycine and N-methyl valine, can be achieved by their collision induced dissociation characteristics.
(2) It has recently been suggested that procaine penicillin existed in solution in vitro and in vivo as a "procaine - penicillin" complex rather than as dissociated ions.
(3) The transport of potassium ions through membranes of red blood cells was examined in in bitro experiments using a CMF of 4500 oersted.
(4) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
(5) Results suggest that Cd-MT is reabsorbed and broken down by kidney tubule cells in a physiological manner with possible subsequent release of the toxic cadmium ion.
(6) 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.
(7) Finally, it could be observed that elevated osmotic pressures reduced the lysis of isolated secretory granules when bicarbonate ions were present in the incubation medium.
(8) Since intracellular Ca2+ seems to play a role in stimulus-secretion coupling and ion movements, several aspects of Ca2+ homeostasis have been investigated in CF.
(9) 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.
(10) Resorption of calcium and depositon of inorganic phosphates in the implanted ceramics suggested that ions were being exchanged with the body fluids.
(11) Dose distributions were evaluated under thin sheet lead used as surface bolus for 4- and 10-MV photons and 6- and 9-MeV electrons using a parallel-plate ion chamber and film.
(12) In voltage-clamp experiments the ion current flowing through the channels was homogeneous indicating a defined conformation and a uniform size.
(13) Previous evidence includes changes in Ca2+ fluxes and intracellular activity, membrane potential changes, and effects of ion-channel blockers.
(14) Excessive accumulation of hydrogen ions in the brain may play a pivotal role in initiating the necrosis seen in infarction and following hyperglycemic augmentation of ischemic brain damage.
(15) Measurements of acetylcholine-induced single-channel conductance and null potentials at the amphibian motor end-plate in solutions containing Na, K, Li and Cs ions (Gage & Van Helden, 1979; J. Physiol.
(16) EGTA was ineffective in removing calmodulin from particulate preparations, but treatment with the tervalent metal ion La3+ resulted in a loss of up to 98% of calmodulin activity from these preparations.
(17) The present results suggest that TMB-8 blocks twitches by preventing the release of Ca++ ions bound to the intracellular surface of the t-tubular membrane which is often called the store of 'trigger-calcium' ions.
(18) Blockade of beta-adrenoceptors interferes with haemodynamic and metabolic adaptations and ion balance during dynamic exercise.
(19) Mechanosensitive ion channels may play a key role in transducing vascular smooth muscle (VSM) stretch into active force development.
(20) PFP-MAM is separated by capillary GC and identified mass spectrometrically by selected ion monitoring (SIM).