(a.) Of, pertaining to, or derived from, copper; containing copper; -- said of those compounds of copper in which this element is present in its lowest proportion.
Example Sentences:
(1) The chemistry involved reaction rate constant measurements of MSF hydrolysis and for reactions with phenolic, amine, oxime, hydroxamic acid, phenyl N-hydroxycarbamate, and hydroxylamine compounds and cupric imidazole and bipyridyl complexes.
(2) Sulfate, with or without choline, had little effect in the presence of cupric sulfate.
(3) Its unexpectedly low value is interpreted that MSF does not possess a site with sufficient basicity to be protonated by strong acid, to enter into hydrogen bonding, or for coordination with the cupric ion.
(4) However, variations in cupric ion activity rather than pH per se could explain these effects.
(5) Saponin-permeabilized polymorphonuclear leukocytes (PMNs) released beta-glucuronidase, a lysosomal enzyme, dose-dependently in response to cupric phenanthroline (CuPh), a mild oxidant, which catalyzes the formation of disulfide bridges.
(6) Several copper and cupric ion sources were shown to kill or inhibit the growth of Neisseria gonorrhoeae in vitro.
(7) When these irradiated preparations are exposed to ferrous or cupric salts a further fragmentation of monoamine oxidase ensues, especially at acid pH.
(8) Condensation of the glyoxal obtained by cupric acetate oxidation of 21-hydroxycorticosteroids with acetous phenylhydrazine reagent affords a near UV chromophore.
(9) Intraperitoneal injections of cupric acetate increased serum levels of cholesterol and phospholipids without liver damage.
(10) It is suggested that cupric ions, at high concentrations, have an inhibiting effect on myometrial activity.
(11) The products formed were separated by chromatography on the paper; then they were stained with ninhydrin and converted into cupric complexes during extraction with ethanol; the optic density was measured at 510 nm.
(12) Under the conditions of this study, it is possible that cuprous ion would be oxidised to the cupric form generating free radicals in the process.
(13) These results suggest that the enzyme may have two essential carboxyl groups at the active site, one reactive with DAN in the presence of cupric ions and the other with EPNP, and that pepstatin binds part of the active site to inhibit the reactions with DAN and EPNP as well as the enzyme activity.
(14) The inhibition of xanthine oxidase by quercetin was not affected by cupric ion.
(15) Diagnostic potentialities of the crystallo-optic++ analysis of cupric chloride crystallographs++ were studied in 76 children with pyelonephritis and in 50 children with glomerulonephritis.
(16) Biotinylated DNA or RNA is used as a hybridization probe in solution, avidin is then added to label both the probe and hybrid molecules, and the hybridization mixture chromatographed over cupric-iminodiacetic acid agarose beads.
(17) Zinc, cupric, and cadmium ions, in that order of effectiveness, inhibited lysis of washed, rabbit erythrocytes by the toxic bacterial product aerolysin.
(18) Oxidative cyclization of 2',3'-O-isopropylideneadenosines to the corresponding 5'-O,8-cyclo-2',3'-O-isopropylideneadenosines was achieved by using by lead tetraacetate, cupric chloride, and N-halogeno-succinimide as an oxidant, and by irradiation with a uv-visible light in the presence of pyrimido[5,4-g]pteridinetetrone 5-oxide.
(19) The predominant site of interaction of cupric ion was the unsubstituted nitrogen atom (N-3) on the metronidazole molecule.
(20) Previously described false-negative results with vitamin C, bile, and certain antacids were confirmed, as were false-positive results with iodide, bromide, cupric sulfate, iron salts, and hypochlorite.
Manganous
Definition:
(a.) Of, pertaining to, designating, those compounds of manganese in which the element has a lower valence as contrasted with manganic compounds; as, manganous oxide.
Example Sentences:
(1) Smoking behaviour, self-reported mood and cardiac activity were examined in 12 "sedative" and 12 "stimulant" smokers, defined using Mangan and Golding's questionnaire.
(2) Manganous chloride and Congo red incorporated into blotting paper discs have been used to differentiate gonococci from meningococci.
(3) In human studies, reported performance improvements with post-trial administration of nicotine have all involved associative learning (Mangan and Golding 1983; Colrain et al.
(4) The comedian Stephen Mangan called Cameron’s warning “panicky” and “daft”, while another comedian, Vikki Stone, shared a picture of herself hiding in the shed with a colander on her head and said: “Dear David Cameron I’m frightened.
(5) Nuclear magnetic resonance spectroscopy has been applied as a method for studying manganous ions transport across the membrane of phosphatidylcholine vesicles.
(6) By midday on Monday, workers had managed to clear landslides from one lane of the main highway connecting Sikkim with the rest of India , and an initial convoy of 75 paramilitaries had started moving toward Mangan, the village closest to the quake's epicentre, officials said.
(7) In contrast, manganous ion (2 mM) and isocitrate (60 mM) produce a sevenfold decrease in the rate constant.
(8) The pH dependence of the binding of free manganous ion, free isocitrate, and manganous-isocitrate complex indicates differences in the interaction of these species with isocitrate dehydrogenase.
(9) The addition of the chelator EDTA essentially prevents protection by isocitrate and manganous ion, demonstrating the importance of the metal ion in this process.
(10) The enzyme requires 2-mercaptoethanol, manganous ions, and glucose 1,6-diphosphate for optimal activity.
(11) It was concluded that the oxidation of manganous ions by S. discophorus is catalyzed by an inducible enzyme(s).
(12) Many ligninolytic basidiomycete fungi have been shown to secrete a group of peroxidase isozymes whose sole function appears to be the peroxide-dependent oxidation of manganous [Mn(II)] to manganic [Mn(III)] ions.
(13) The result is the transformation of insoluble manganic and ferric compounds into manganous and ferrous compounds which are liberated into the groundwater.
(14) Radioimmunoassays for both human copper-zinc and manganous superoxide dismutases (Cu-Zn SOD and Mn SOD, respectively) have been developed, validated, and utilized to measure the concentrations of these enzymes in cultured monocytes.
(15) Pharmacologic stimulation of adenylate cyclase in cardiac membranes with isoproterenol, fluoride ion, guanine nucleotide, forskolin, and manganous ion indicated that there was defective coupling of the guanine nucleotide-binding protein that stimulates adenylate cyclase (Gs) to adenylate cyclase.
(16) In this study, we demonstrated that recombinant human D-factor and growth hormone caused a slight but significant protection of adult rats against oxygen toxicity without affecting levels of pulmonary manganous superoxide dismutase (MnSOD) mRNA.
(17) Manganous superoxide dismutase (MnSOD) scavenges potentially toxic superoxide radicals produced in the mitochondria.
(18) The major toxicological effects of manganese, observed after long occupational exposure, are on the lung (manganese pneumonia) and the central nervous system (manganism).
(19) Direct measurements of oxalosuccinate decarboxylation reveal that the Vmax and the Km for manganous ion are influenced by the presence of oxidized or reduced TPN with the Km being lowest (5-7 muM) in the presence of TPNH.
(20) Expression of manganous superoxide dismutase (MnSOD) mRNA in KB18 was about 20-fold higher than that in KB or KB8 cells.