(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.
Fulguration
Definition:
(n.) The act of lightening.
(n.) The sudden brightening of a fused globule of gold or silver, when the last film of the oxide of lead or copper leaves its surface; -- also called blick.
Example Sentences:
(1) We studied the influence of energy level on the one hand and of the physical properties of the catheter (Ct) on the other hand on the cardiac effects of right endoventricular fulguration in the dog.
(2) Interruption of the His bundle was performed by means of fulguration.
(3) Operative errors such as round ligament fulguration were also more common than expected.
(4) A total of 29 shocks were delivered with an Odam fulgurator, using a distal electrode connected to the positive pole of a selected catheter.
(5) The advantages of this method compared with electrical fulguration are better control of delivered energy and reduction of complications (catheter perforation, thromboembolism).
(6) This report is a review of 49 patients who, after careful selection, were considered ideal candidates for curative fulguration in the period 1959-1982.
(7) One nurse endoscopist, under supervision by a physician mentor, has carried out more than 6,000 sigmoidoscopies in a recent 1-year period and has fulgurated one or more diminutive polyps in almost 500 patients.
(8) One hundred fifty patients were included in a double-blind study to evaluate whether they were more comfortable being sterilized by fulguration or by Falope-Ring banding.
(9) The use of the resectoscope has several advantages in treating the patient with inoperable obstructive carcinoma of the rectum, particularly when compared with fulguration.
(10) To evaluate the effect of fulguration of endometriotic implants in patients with mild endometriosis, we divided 123 patients into two groups: (A) patients whose endometriotic implants were coagulated, and (B) patients whose implants were left intact.
(11) The regenerative response to the fulgurative ulcer within a given species was similar to the early response previously observed by others following administration of known bladder carcinogens.
(12) Two cases are reported of functionally significant bladder neck obstruction following urethral valve fulguration which resulted in inability to void.
(13) Circumcision, electric fulguration and excision of urethral tumor were performed.
(14) To show our first experiments with the treatment of Wolff-Parkinson-White syndrome through endocavitary fulguration of accessory pathway.
(15) We performed transurethral fulguration of the diverticular mucosa and incision of the diverticular neck in combination with transurethral prostatectomy or bladder neck resection to treat all aspects of diverticula in 9 patients.
(16) Endocardial fulguration per se induced severe but transient (less than 5 minutes) hemodynamic changes and was sometimes complicated by myocardial ischemia and conduction disorders.
(17) Three cases of auricular fulguration are described and used as a basis for a review of physical characteristics and histopathologic consequences of lightning strikes.
(18) This allowed definitive treatment in a single session by local excision and fulguration in 48 patients.
(19) In group A, 42 of 69 (60.8%) patients achieved a pregnancy within eight cycles following laparoscopic fulguration, in comparison with 10 of 54 (18.5%) patients from group B.
(20) A few seconds after fulguration, each VT was terminated and additional radiofrequency currents were given near these sites.