(a.) Of or pertaining to a metal; of the nature of metal; resembling metal; as, a metallic appearance; a metallic alloy.
(a.) Of, pertaining to, or characterized by, the essential and implied properties of a metal, as contrasted with a nonmetal or metalloid; basic; antacid; positive.
Example Sentences:
(1) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
(2) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
(3) Our recurrences are due to local infections, removing the metal strut too early, i.e.
(4) "Acoustic" craters were produced by two laser pulses delivered into a saline-filled metal fiber cap, which was placed in a mechanically drilled crater.
(5) These results indicate that the inhibition of CarAc by heavy metals occurs by binding of the sulfhydryl on the enzyme by the metals.
(6) The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.
(7) In general, enzyme activity was strongly reduced by heavy metal inorganic cations; less strongly by organometallic cations, some anions, and certain pesticides; and weakly inhibited by light metal cations and organometallic and organic compounds.
(8) 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.
(9) Sift the cocoa powder over the top and lightly but thoroughly fold it in with the metal spoon.
(10) The results also suggest that both alkali metals most probably have been delivered to the suckling pups and some of their toxic effect was retarded.
(11) The radioprotective action in E. coli ATCC 9637 of ascorbate added to media containing the weak sensitizer, tetracycline (effect described by Pittillo and Lucas (1967)), was found to be dependent on the presence of metal catalysts of the autoxidation of ascorbate.
(12) This study introduces a simple in vitro arrangement to measure current densities of implant metals.
(13) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.
(14) Since the enzyme requires a metal ion (Co2+) we suggest that the RNA and heparin are inhibitory by virtue of their capacity to chelate the Co2+.
(15) Lesions of allergic contact type could not be induced in the oral mucosa to any of the metal salt preparations.
(16) As yet the observations demonstrate that workers exposed in their occupation to heavy metals (cadmium, lead, metalic mercury) and organic solvents should be subjected to special control for detection of renal changes.
(17) This study investigates the photoneutron field found in medical accelerator rooms with primary barriers constructed of metal slabs plus concrete.
(18) While a clearcut relationship cannot be established between heavy metal music and destructive behavior, evidence shows that such music promotes and supports patterns of drug abuse, promiscuous sexual activity, and violence.
(19) The physiologically important metal ion for catalysis is Mg2+; however, Mn2+ supports in vitro activity, though at a reduced level.
(20) We support the view that catalysis by metalloenzymes may be a reflection of the chemistry of the metal ion itself as a Lewis acid, and that perhaps too much emphasis has been placed on supposed special characteristics (such as strains, "entasis") of the enzyme-metal ion association.
Scandium
Definition:
(n.) A rare metallic element of the boron group, whose existence was predicted under the provisional name ekaboron by means of the periodic law, and subsequently discovered by spectrum analysis in certain rare Scandinavian minerals (euxenite and gadolinite). It has not yet been isolated. Symbol Sc. Atomic weight 44.
Example Sentences:
(1) These data indicate that 1) the equilibrium stability constant is not a good indicator of the in vivo stability of metal-labeled proteins and 2) it is possible to manipulate the ion distribution and therefore the dose from scandium-47 and yttrium-90 after injection of the labeled proteins.
(2) Various soluble tracers were evaluated, among them indium, scandium, and bromine.
(3) One additional dog had complete occlusion of the left circumflex coronary artery followed by administration of Tc-MIBI and scandium-46-labeled microspheres.
(4) Nutrient markers were oxides of samarium, scandium, ytterbium, and europium.
(5) The results obtained show that, in vivo, scandium-47 and yttrium-90 are more easily displaced from DTPA by other ions than is indium-111.
(6) In the present study ovarian blood flow was determined before and after a single intravenous injection of LH to anaesthetized, post-pubertal virgin rabbits, using 15 plus or minus 5 mum microspheres, labelled with Ytterbium-169 and Scandium-46.
(7) Associated with the blood clearance is an uptake of radioactivity into the liver; scandium-47 has the highest concentration, indium-111 has the least, and yttrium-90 is intermediate.
(8) The concentrations of manganese, zinc, and cobalt showed some fluctuations without a definite increase or decrease, and the scandium and nickel content was found to be very low.
(9) The true distribution coefficient values of tervalent yttrium, scandium, europium and cerium ions were about 10(7.3), 10(9.8), 10(7.4) and 10(6.5), respectively.
(10) The lasers used were continuous-wave neodymium:yttrium aluminum garnet (YAG, 1.06 microns) and pulsed holmium:yttrium scandium galliam garnet (YSGG) (2.10 microns), erbium:YSGG (2.79 microns), and erbium:YAG (2.94 microns).
(11) Of the trivalent cations tested, aluminum, indium, and gallium were very effective precipitants, whereas iron and scandium were without effect at the concentrations tested.
(12) Among the 12 trace elements which were found only occasionally, chromium, mercury, silver, and cadmium were detected in approximately half and cerium and scandium in approximately one-fourth of the 45 samples studied.
(13) Coal dust aerosols with cesium-134 and scandium-46 labels were studied in dogs and rats following brief inhalation exposures by external measurement of gamma photons in the 0.6 to 0.8 and 0.9 to 1.1 MeV regions, respectively.
(14) Zinc, iron, cobalt, antimony, cesium, cerium, selenium, scandium, rubidium, chromium levels were measured by neutral activation technique.
(15) Urinary excretion of antimony, arsenic, bromine, cadmium, caesium, cobalt, copper, gold, iron, mercury, molybdenum, ribidium, scandium, selenium, silver, tungsten and zinc from five hypertensive patients beforeand during treatment with hydralazine has been investigated.
(16) Labeling was found to be efficient for all isotopes studied, including those of iodine, scandium, yttrium, indium, gadolinium, and bismuth.
(17) A total of 125 human lenses (97 senile cataractous and 28 clear) were analyzed by means of neutron activation analysis for trace element concentrations of copper, zinc, manganese, cobalt, rubidium, scandium, and nickel.
(18) The method is based on the reaction of isoniazid with 2-hydroxy-1-naphthaldehyde in acidic medium in the presence of excess of scandium.
(19) During each set of experimental conditions, a bolus of either saline or one of the anti-H2 drugs was administered, and, 15 min later, radiolabeled microspheres (ruthenium 103, scandium 46, and cerium 141) were injected into the left atrium for measurement of regional CBF.
(20) 47Ca activity was obtained by a gamma-ray spectrometer after exclusion of scandium 47.