(1) Sixteen smooth Brucella strains were lysed and digested by proteinase K, and the LPS fractions analysed by sodium dodecyl sulphate polyacrylamide gel electrophoresis.
(2) The decomposition of nafcillin and penicillin G solutions was hastened significantly by magnesium sulphate due to effect on the pH values of the solutions.
(3) The K5 polysaccharide was N-deacetylated (by hydrazinolysis) and N-sulphated, and was then incubated with detergent-solubilized enzymes from a heparin-producing mouse mastocytoma, in the presence of adenosine 3'-phosphate 5'-phospho[35S] sulphate ([35S]PAPS).
(4) Plasma noradrenaline levels were depressed by 50% when demedullated fetuses were also subject to peripheral sympathectomy by guanethidine sulphate treatment.
(5) Chemically isolated separate preparations of the non-aggregating protein-chondroitin-keratin sulphate (PCKS) fraction from the hyaline cartilage and hyaluronic acid (HUA) of the vitreous body and of the umbilicus were investigated by electron microscopy.
(6) Granules in a few cells also contained sulphated mucin.
(7) Deficiency of glucosamine-6-sulphatase activity leads to the lysosomal storage of the glycosaminoglycan, heparan sulphate and the monosaccharide sulphate N-acetylglucosamine 6-sulphate and the autosomal recessive genetic disorder mucopolysaccharidosis type IIID.
(8) PT painting resulted in rather higher sensitivity with Triton X-100 than with sodium lauryl sulphate.
(9) For binding measurements self-diffusion equilibrium dialysis with dodecyl [35S] sulphate was used.
(10) We tested for the distribution of basement membrane (BM) components collagen IV, laminin, heparan sulphate proteoglycan, fibronectin, for S100 protein and for the presence of interstitial collagens III and V. Laminin was generally noted in association with Schwann cells, but collagen IV occurred with perineural cells.
(11) Ammonium sulphate fractionation followed by immunoaffinity chromatography on a three column system using Protein A-Sepharose coupled D5, produced purified p29.
(12) An enzyme (EC 2.8.2.1) that catalyses the transfer of sulphate from adenosine 3'-phosphate 5'-sulphatophosphate to phenols was purified approx.
(13) Platelet factor 4 was compared with protamine sulphate, which has similar biological properties, by electrophoresis at pH 2.2, in which both migrated as single bands but with differing mobility, and by amino acid analysis which showed a more normal distribution of residues than occurred in protamine sulphate.
(14) (a) Ammonium sulphate precipitation and gel filtration on Sepharose 4B.
(15) This inhibition was partially reversed on addition of the translocated substrates sulphate or selenate to the external medium: selenite which is not translocated does not protect against DIDS inhibition.
(16) Protamine sulphate in vitro antagonized anticoagulant properties but did not protect mice from toxic envenomation; because venom was also neurotoxic and showed a curare like effect at the neuromuscular junction.
(17) Degradation products of dermatan sulphate were not detected by either gel filtration or affinity chromatography on Polybrene-Sepharose at any time in either plasma or urine, indicating that administered dermatan sulphate is not catabolised by man.
(18) Internal alkalinization could also be induced by oleate upon the addition of potassium sulphate.
(19) Addition of rising concentrations of zinc sulphate to rat PRP produced inhibition of ADP-induced platelet aggregation.
(20) Both surfactants were extensively degraded in vivo to yield a common metabolite, butyric acid 4-[35S]sulphate, the major urinary radioactive component.
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.