(1) Functionally, the first component reflected 55% of the reducibility property and an unimpaired oxidizability property, while the latter exhibited derangement of both aspects of cytochrome c activity.
(2) It is concluded that insulin secretion from islet beta cells and the release of phosphate ions showed the same specificity for nutrient secretagogues and that both can be triggered even in the absence of exogenous oxidizable fuels.
(3) The heme synthesis was independent of mitochondrial oxidizable substrates and no difference was observed between pH 7.4 and 6.5.
(4) Incorporation of these antioxidants in microsomal metabolism studies should have general utility in preventing decomposition of readily air oxidizable compounds.
(5) The requirement for oxidizable substrates has been examined with a range of substances, and most of the common energy-yielding metabolites of the mitochondrion are effective.
(6) The NO3(-)-oxidizable cytochrome co-purified with the periplasmic NO3- reductase through fractionation procedures that included ammonium sulphate precipitation, gel filtration at low and high salt concentrations, and ion-exchange chromatography.
(7) Additionally, L-alanine and L-serine can energize solute transport by virtue of conversion to oxidizable D isomers by a membrane-bound alanine racemase.
(8) When the mRNA is subjected to stepwise degradation by beta-elimination, only one oxidizable end-group is found.
(9) To improve reliability we have incorporated 3-carbamoyl-2,2,5,5-tetramethylpyrrolidin-1-yloxy free radical (CTPO) as a stable, oxidizable, and paramagnetic internal standard.
(10) Whereas the Ca2+ sensitivity of state 3 respiration by hepatoma mitochondria can be explained by the activation of 2-oxoglutarate and possibly NAD(+)-isocitrate dehydrogenases, the Ca2+ sensitivity of liver mitochondrial respiration appears to be predominantly mediated by activation of electron flow through ubiquinone and Complex III of the electron transport chain, as indicated by the specificity of the effects of Ca2+ on respiration with different oxidizable substrates.
(11) It was clearly shown that these non-oxidizable elements were able to diffuse into the ceramic as well as oxidizable ones.
(12) Two causes of disulphide maturation of HA are considered: posttranslational folding of molecules conducive to drawing closer of the oxidizable thiol groups, and gradual loss of sensitivity to endogenous reducing agents.
(13) The kinetic patterns of inhibition in which benzyl alcohol is used as the oxidizable substrate suggest that the inhibition is due to the formation of a stable ternary complex composed of aldose reductase, NADP+, and the anti-oxime.
(14) The relative oxidizability of amines (ROA) was correlated with structure, lipophilicity and nucleophilicity parameters of substrates and corresponding amine oxides formed in this biological reaction.
(15) Oxidizable substrates markedly decreased the activity state of the enzyme in hepatocytes from rats fed on a low-protein diet, but had much less effect in hepatocytes from chow-fed rats.
(16) Passing volatiles through KMnO4 or hydrazone reduced growth of the bacteria, indicating that oxidizable organic compounds, primarily aldehydes, were the active components.
(17) (iii) Arsenate did not inhibit motility in the presence of an oxidizable substrate, though it did reduce ATP levels to less than 0.3% (iv) Arsenate completely inhibited chemotaxis under conditions where motility was normal.
(18) The requirement for in vitro incubation to allow expression of these effects and the potential role for oxidizable membrane components were investigated.
(19) Lactate or butyrate, which could not support growth in mineral medium, could replace pyruvate as the oxidizable substrate only when acetate was added to the medium.
(20) This pattern of regulation by O2 supply was completely eliminated by adding low concentrations (20-50 microM) of oxidizable substrate (succinate, malate, ethanol) to the reaction medium.
Oxidize
Definition:
(v. t.) To combine with oxygen, or subject to the action of oxygen, or of an oxidizing agent.
(v. t.) To combine with oxygen or with more oxygen; to add oxygen to; as, to oxidize nitrous acid so as to form nitric acid.
(v. t.) To remove hydrogen from (anything), as by the action of oxygen; as, to oxidize alcohol so as to form aldehyde.
(v. t.) To subject to the action of oxygen or of an oxidizing agent, so as to bring to a higher grade, as an -ous compound to an -ic compound; as, to oxidize mercurous chloride to mercuric chloride.
Example Sentences:
(1) Compound Z has the properties expected of an oxidized MPT precursor.
(2) PMNs could be primed for PMA-triggered oxidative burst by muramyl peptide molecules (MDP) and two of its adjuvant active nonpyrogenic derivatives.
(3) Arterial oxyhaemoglobin saturation (SaO2) was monitored continuously during normal labour in 33 healthy parturients receiving pethidine and nitrous oxide for analgesia.
(4) The stopped-flow technique was used to measure the rate constants for the reactions between the oxidized forms of peroxidase with luminol and the following substrates: p-iodophenol, p-bromophenol, p-clorophenol, o-iodophenol, m-iodophenol, luciferin, and 2-iodo-6-hydroxybenzothiazole.
(5) The results show that in TMO-treated animals the time to the onset of convulsions, the time to the onset of NADH oxidation-reduction cycles, and the survival time were significantly longer than in the control group.
(6) Nitrous oxide, 60% (P less than 0.025) and 80% (P less than 0.02), caused significant increases in release of beta-endorphin.
(7) 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.
(8) Peripheral blood monocytes undergo an oxidative burst similar to that seen in neutrophils.
(9) Direct limiting effects of hypothermia on tissue O2 delivery and muscle oxidative metabolism as well as vasoconstriction and arteriovenous shunting associated with CPB procedures are likely to be involved in the above mentioned alterations of cell metabolism.
(10) EDRF is even more labile than prostacyclin, with a half-life of about 6 seconds, and it has recently been identified as nitric oxide.
(11) Both SAA and non-SAA enhanced ammonium excretion but only non-SAA enhanced organic anion excretion, an indicator of incomplete oxidation of organic acids.
(12) Despite the nearly anaerobic state of the ascites tumor fluid in vivo, cancer cells suspended in this fluid oxidized FFA at least as fast as they do in vitro under aerobic conditions.
(13) Steroid-treated steers showed a slight decline in synthesis which was significant (P less than 0.05) at week +5 post-implant while amino acid oxidation was significantly lower at weeks +2 (P less than 0.01) and +5 (P less than 0.05) compared with control animals.
(14) In the present work, we measured the inactivation of methionine synthase and the concurrent homocysteine export rate of two murine and four human cell lines during nitrous oxide exposure.
(15) These series were prepared by oxidation of the new hydroquinone precursors.
(16) Rhesus monkey BAT mitochondria (BATM) possess an uncoupling protein that is characteristic of BAT as evidenced by the binding of [3H]GDP, the inhibition by GDP of the high Cl- permeability or rapid alpha-glycerol-3-phosphate oxidation.
(17) Anaesthesia was achieved by a mixture of oxygen, nitrous oxide and fluothane without use of muscle relaxants.
(18) Endothelium-dependent relaxations to acetylcholine and endothelium-independent relaxations to nitric oxide were observed in rings from both strains during contraction with endothelin.
(19) Rapid reaction studies show the formation of an intermediate which is common to both the oxidation and inactivation pathways.
(20) During the carcinogens metabolism compounds are assumed to be formed, those are able to affect oxidative phosphorylation without forming any stable link with the respiratory chain components.