(n.) Lead sulphide; the principal ore of lead. It is of a bluish gray color and metallic luster, and is cubic in crystallization and cleavage.
Example Sentences:
(1) Fourteen patients on average 10 months after transplantation of the kidney treated with Sandimmune were changed to a new Czechoslovak preparation Consupren, Galena (Cyclosporine A), while maintaining the other components of immunosuppressive treatment (azathioprine, prednisone).
(2) The galena forms currently on sale were, with the exception of lactate and pyrollidone carboxylate, immediately rejected since they contain insufficient Mg2+.
(3) An experimental comparative investigation provided evidence of identical immunomodulating properties of the Swiss cyclosporin A of Sandoz Company (Sandimmune) and the Czechoslovak cyclosporin of Galena Company (Consupren).
(4) A statistically significant excess of deaths from hypertensive disease (females aged greater than or equal to 65), ischemic heart disease (males and females aged greater than or equal to 65), and stroke (females aged greater than or equal to 65) was found in residents of Galena City.
(5) This study confirms that environmental agents in Galena are associated with, and may have contributed to, the causation of several chronic diseases in residents of this community.
(6) Mortality rates for 1980-85 for white residents of Galena and for the U.S. were compared using univariate analysis.
(7) Based on the unusual growth on galena, we name the new species Thiobacillus plumbophilus (type strain Gro7; DSM 6690).
(8) They grow by oxidation of H2S, galena (PbS) and H2.
(9) Our essential problem is to prepare a form of galena with acceptable taste, tolerated by the digestive tract and well absorbed; also, the carrier compound must not cause short- or long-term side effects.
(10) The non-selective treatment was performed in 125 dairy cows in the form of single administration of Oxymykoin foam (Galena) (70 cows) and Chronicin foam (Galena) (55 cows) after the last milking in lactation.
(11) Under the light microscope no significant changes were observed in the lungs from animals treated with galena, lead silicate, and travertine.
(12) Among residents of the three towns who had lived there at least 5 years prior to 1980, there was either a statistically significant or borderline excess reported prevalence in Galena of chronic kidney disease (females aged greater than or equal to 65), heart disease (females aged greater than or equal to 45), skin cancer (males aged 45-64), and anemia (females aged 45-64).
(13) Multivariate analyses revealed statistically significant associations of stroke, chronic kidney disease, hypertension, heart disease, skin cancer, and anemia with variables related to Galena exposure.
(14) Age- and sex-specific illness rates in whites in an exposed town (Galena) were compared with similar rates in two control towns.
(15) Results were compared with rats that were given particles of galena, lead silicate, travertine, and quartz.
Sulphide
Definition:
(n.) A binary compound of sulphur, or one so regarded; -- formerly called sulphuret.
Example Sentences:
(1) Sulphides, which possibly form on silver alloys, showed cytotoxicity.
(2) Bacteria of the genus Thiobacillus can obtain energy from the chemolithotrophic oxidation of inorganic sulphur and its compounds (sulphide, thiosulphate and polythionates) and use this energy to support autotrophic growth on carbon dioxide.
(3) Elevations in blood methanethiol and dimethyl sulphide concentration in children with congenital hypermethioninaemia were not associated with any neurological or electroencephalographic features of hepatic coma.
(4) No significant changes in respiratory function or bronchial responsiveness related to exposure to hydrogen sulphide in the pulp mill workers were found.
(5) Therapeutic procedure are based either on physical media: infra-red rays, gamma-rays, electric fields for the transformation of temperature or using chemical mixtures containing methyl bromide, carbon tetrachloride and hydrogen sulphide.
(6) produced strong rotten, fishy, hydrogen sulphide off-odours.
(7) Although it has a level of hepatic fixation which is less than that of certain sulphide complexes of technetium, the authors feel that it appears to provide a better relfection of the colloidopexic function of the liver.
(8) Ammonia, methane, hydrogen sulphide and methyl mercaptides were analyzed in the atmospheres of 16 Finnish municipal waste water treatment plants and in 18 pumping stations.
(9) Both TPM and chlorhexidine brought about significant decreases in volatile sulphides (P less than 0.05) as compared to the placebo group.
(10) It is a molybdenum hydroxylase containing 1.6 mol of FAD, 7.3 mol of Fe, 8.3 mol of acid-labile sulphide and 1.3 mol of Mo per mol of enzyme.
(11) A single and chronic inhalation exposure to a complex of chemical substances being part of hydrogen sulphide-containing natural gas (hydrogen sulphide, hydrocarbon, mercaptan, sulphur dioxide) results in a decline in humoral indicators of non-specific body resistance.
(12) The oxidation of sulphide in cell-free extracts proceeds most likely to polysulphanes or to elemental sulphur, depending on the conditions.
(13) Concentration-time interactions were investigated in young male and female Sprague-Dawley, Long Evans and Fischer-344 rats exposed to hydrogen sulphide for two, four or six hours.
(14) The content of hydrogen sulphide reached 6.8 mg per litre which resulted in a change of the ecological environment in the lake.
(15) The flow of sulphide, sulphate, microbial S and non-microbial organic S from the abomasum was estimated using 103Ru and 51Cr.
(16) Addition of sulphide to rumen contents did not result in significant changes in the distribution of Cu between the fluid and solid phases, or in the solubility of Cu in TCA.
(17) The Km values for sulphide and O-acetylserine are 2.7 - 10(-3) and 1.25 - 10(-3) M, respectively.
(18) The method is based on the disintegration of S-methyl methionine in the alkaline medium to form equimolecular quantities of dimethyl sulphide and homoserine.
(19) Official local autopsy reports on 12 alleged victims showed fatal levels of the poisonous gas hydrogen sulphide, one of the waste's lethal byproducts.
(20) Using the histochemical Timm sulphide silver method, a strain-specific, increased stainability of the cell bodies of the dentate granule cells and the hippocampal pyramidal cells was observed in the inbred Kyoto rat.