(n.) A common metal of a reddish color, both ductile and malleable, and very tenacious. It is one of the best conductors of heat and electricity. Symbol Cu. Atomic weight 63.3. It is one of the most useful metals in itself, and also in its alloys, brass and bronze.
(n.) A coin made of copper; a penny, cent, or other minor coin of copper.
(n.) A vessel, especially a large boiler, made of copper.
(n.) the boilers in the galley for cooking; as, a ship's coppers.
(v. t.) To cover or coat with copper; to sheathe with sheets of copper; as, to copper a ship.
Example Sentences:
(1) This result was confirmed by atomic absorption spectroscopy, which indicated a stoicheiometry for copper and manganese of approx.
(2) Serum copper concentration also was measured in dams and kids in a control herd that had no history of ataxia.
(3) Copper therapy was applied to 7-day-old mutant mice.
(4) Several derivatives and analogs of the recently reported antiproliferative and antitumor agent trans-bis(salicylaldoximato)copper(II) (CuSAO2) have been prepared and tested for antiproliferative activity against L1210 leukemia cells in vitro.
(5) Accumulation of copper was not detected in the brain or small intestines of LEC rats until 13 mo.
(6) The potential use of ancrod, a purified isolate from the venom of the Malaysian pit viper, Agkistrodon rhodostoma, in decreasing the frequency of cyclic flow variations in severely stenosed canine coronary arteries and causing thrombolysis of an acute coronary thrombus induced by a copper coil was evaluated.
(7) The affinity of haFGF for copper was also confirmed to be higher than that of hbFGF using a copper affinity HPLC column.
(8) In the present study, maternal and fetal zinc (Zn), copper (Cu), manganese (Mn), iron (Fe), magnesium (Mg), and calcium (Ca) status has been studied in Sprague-Dawley (SD) and Wistar rats.
(9) This study provides evidence for a maternal yolk factor associated with increased tolerance and resistance of larvae to copper.
(10) With copper-ion catalysis, ligands inhibit competitively.
(11) No decisive numerical criterion was found that could be used to separate normal from abnormal copper concentrations because of this continuous array.
(12) No clear population trends were seen in dental disease incidence except for cemental caries which were found among Copper and Bronze Age remains.
(13) At 2 months of age there were no major differences in growth or health detected in infants fed the different copper intakes.
(14) In order to determine the specific action of cadmium on bone metabolism, the effect of cadmium on alkaline phosphatase activity, a marker enzyme of osteoblasts, was compared with that of other divalent heavy metal ions, i.e., zinc, manganese, lead, copper, nickel and mercury (10 microM each), using cloned osteoblast-like cells, MC3T3-E1.
(15) However, two observations suggested that surface epithelial loss alone was not sufficient to trigger the proliferative response to DOC: intracolonic instillation of DOC followed by removal of the DOC solution at 1 h, at which time surface epithelial loss was maximal, did not result in an increase in ornithine decarboxylase activity or [3H]dThd incorporation into DNA when these parameters were assessed at 4 h or 12 to 48 h, respectively; phenidone, an antioxidant and radical scavenger, and bis[(3,5-diisopropyl-salicylato) (O,O) copper(II), a lipophilic agent with superoxide dismutase activity, abolished the DOC mediated proliferative response but did not prevent the early loss of surface cells.
(16) Retinal changes should be reversible by short term systemic copper administration.
(17) Wilson disease is due to a genetically determined impairment of copper excretion from liver into bile resulting in copper overload of the organism.
(18) Arachidonic acid was also increased in plasma and liver phospholipids in low copper rats.
(19) These results suggest that HVE cells are more susceptible to concentration-dependent copper cytotoxicity than HAIN-55 cells are, and that copper could induce vascular endothelial injury, which may be involved in the pathogenesis of cardiovascular disease.
(20) Cadmium and copper content was determined by atomic absorption spectrophotometry from four tissue types; young blade, old blade, young stipe and old stipe.
Cuprum
Definition:
(n.) Copper.
Example Sentences:
(1) Cuprum concentration in the blood serum and the patients' urine was within the normal fluctuations.
(2) Borders of goiter foci with various degree of endemia were defined; regions on the territory of Kazakhstan were singled out with relation to a degree of potential goiter risk, iodine deficiency, the concentration of cuprum, cobalt, manganese and fluorine.
(3) An alteration of quinacrine luminescence intensity in complex with DNA caused by cuprum ions is explained in terms of redistribution of QA molecules from quenching GC- to fluorescent AT-DNA binding sites due to the competition of Cu2+ with the dye.
(4) The influence of cuprum ions on the interaction between the antimalarial drug quinacrine (QA) and DNA is studied by polarized laser luminescence spectroscopy and fluorescence microscopy at molecular and cellular levels.
(5) It was revealed that during the first stage of the culture development characterized by the maximum rate of the biomass accumulation the ions of ferrum, cuprum and arsenic were consumed along with consumption of the main nutrients (carbohydrates, nitrogen and phosphorus).
(6) DANA cuprum induced the least inflammation, and DANA super lux caused the least lower abdominal pain.
(7) Marked shifts in the specific rates of the changes in the contents of ferrum and cuprum ions in the fermentation broth were also observed at the beginning of the second phase of the culture development.
(8) For the demonstration of the localization of this enzyme in the corpus pineale uranyl and cuprum ferrocyanid technique were used.
(9) Pain and discharge developed with DANA cuprum 3 (5.7%) and DANA super fix 3 (4.3%).
(10) The main reason of the development of hepacirrhosis in hepato-cerebral dystrophy is the accumulation of cuprum nonutilized by pathogenetical mechanisms--lesion of mitochondrias, tissue hypoxia, necrosis of hepatocytes.
(11) A model of thymomegaly in puppies was used for a study of changes in the content of nucleic acids, protein, glycogen, ATP, cuprum, manganese, iron, zinc, succinate dehydrogenase and cytochromoxidase activity in tissues of the thymus, spleen, adrenal glands, liver and associated morphological changes in tissues of these organs, lymph nodes and the thyroid.
(12) Aggravation of the patients with rheumatoid arthritis after enterosorption was apparently related to an increase in the rate of lipid peroxidation and to decrease in the antioxidation activity, which was expressed as a decrease in cholesterol and tocopherol content and an increase in ferrum and cuprum concentration in blood plasma.
(13) The complex use of histochemical methods and especially staining for reticuline and cuprum significantly increases its informativeness.
(14) The failure rate was the highest with DANA cuprum 0 (40%), DANA super fix 3 (13%), DANA cor 2 (11.6%), and DANA super lux 4 (10.1%).
(15) Bleeding occurred most often with DANA cor 2 (23.2%), DANA super fix 2 (13%), and DANA cuprum 1 (11.2%).
(16) The ultrastructural study has confirmed a preventive role of the lipofuscin complex with cuprum.
(17) In the vascular wall there were observed changes in monoamino-oxidase, the latter being of particular importance for maintaining the level of cuprum in tissues.
(18) The capability of neutralization and withdrawal of cuprum can determine the severity and rapidity of the development of the disease.
(19) after 36 hours the ferrum ions were liberated into the fermentation broth while the content of cuprum and arsenic continued to decrease though at a lower rate.
(20) Primary obtained triple highly immunogenetic complex consists of nonimmunogenic protein antigen, isolated from the BCG, nontoxic polyelectrolyte and bivalent cuprum ions.