(n.) An elementary substance, resembling a metal in its appearance and physical properties, but in its chemical relations belonging to the class of nonmetallic substances. Atomic weight, 120. Symbol, Sb.
Example Sentences:
(1) By means of rapid planar Hill type antimony-bismuth thermophiles the initial heat liberated by papillary muscles was measured synchronously with developed tension for control (C), pressure-overload (GOP), and hypothyrotic (PTU) rat myocardium (chronic experiments) and after application of 10(-6) M isoproterenol or 200 10(-6) M UDCG-115.
(2) This area was selected for study because of its large mineral deposits and concentration of elements, e.g., iron, copper, silver, antimony, and particularly mercury.
(3) The inhibition of osmotic stimulated water flow in the isolated toad bladder by 0.1 mM sodium stibogluconate (pentavalent antimony) is described.
(4) The antimony in metallic kitchen ware was determined.
(5) Although previously published animal data suggest utility of Tc-99m stannous phytate for lymph-node imaging, Tc-99m antimony sulfide was shown in this clinical comparison to provide a more reliable representation of lymph-node anatomy.
(6) Rather surprising were the contents of mercury, indium, and cadmium found in some of the alloys as well as the low-level concentration of lead, and in a few cases antimony.
(7) Organic antimonials were most active when anmastigotes were exposed to them prior to entry of the parasites into host cells.
(8) Ureastibamine, a pentavalent antimonial, reduced the parasitic load in the 60-day model of infection of L. donovani in hamsters.
(9) As dosage regimens for treating leishmaniasis have evolved, the daily dose of antimony and the duration of therapy have been progressively increased to combat unresponsiveness to therapy.
(10) To obtain the usual values of arsenic, beryllium, bismuth, cadmium, chromium, cobalt, copper, mercury, methyl mercury, manganese, molybdenum, nickel, lead, antimony, vanadium, and zinc in the normal human body, the amounts of 15 metals were determined in 15 male and 15 female Japanese cadavers (average weight, 55 kg [121 lb]).
(11) It is an effective alternative to antimony therapy, and in some cases resistant to antimony, it may be the drug of choice.
(12) Solid state memories are preferred, glass or antimony electrodes may be used and the data analysis should be performed on an ordinary personal computer.
(13) There is only a few hundred ohms resistance between an antimony pH electrode and the reference electrode so that the voltage generated can be recorded with simple low-impedance recorders linked to microcomputers.
(14) A series of 31 patients presenting with skin lesions with positive smears for leishmania parasites were treated with sodium stibogluconate (each ml of injection containing the equivalent of 100 mg pentavalent antimony).
(15) FEV1 was recorded at regular intervals during the hour of provocation, and acid reflux (pH less than 4) was monitored by antimony pH electrodes in the esophagus.
(16) This difference could be corrected by a modified calibration, using the external skin reference electrode of the antimony electrode (finger calibration).
(17) When healed lesions of 14 of these subjects were re-biopsied 1 to 12 months after the end of pentavalent antimonial therapy, MHC class II antigens could no longer be seen on keratinocytes.
(18) Dogs naturally infected with Leishmania infantum Nicolle were treated with three courses of meglumine antimoniate.
(19) Lines expressing lmpgpA showed resistance to arsenite and trivalent antimonials, but not to pentavalent antimonials, zinc, cadmium, or the typical multidrug-resistant P-glycoprotein substrates vinblastine and puromycin.
(20) Therefore data recorded with antimony electrodes cannot be compared with those recorded with glass electrodes.
Polybasite
Definition:
(n.) An iron-black ore of silver, consisting of silver, sulphur, and antimony, with some copper and arsenic.