Results 11 to 20 of about 71,461 (340)
Sulphate is an obligate nutrient for healthy growth and development. Sulphate conjugation (sulphonation) of proteoglycans maintains the structure and function of tissues. Sulphonation also regulates the bioactivity of steroids, thyroid hormone, bile acids, catecholamines and cholecystokinin, and detoxifies certain xenobiotics and pharmacological drugs.
Paul A. Dawson+4 more
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Increased sulphation improves the anticoagulant activities of heparan sulphate and dermatan sulphate [PDF]
Heparan sulphate and dermatan sulphate have both antithrombotic and anticoagulant properties. These are, however, significantly weaker than those of a comparable amount of standard pig mucosal heparin. Antithrombotic and anticoagulant effects of glycosaminoglycans depend on their ability to catalyse the inhibition of thrombin and/or to inhibit the ...
Frederick A. Ofosu+6 more
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Thallic Sulphates and Double Sulphates [PDF]
In a note on “the hydrolysis of thallic sulphate” which I communicated to the Society some time ago, I commented on theconflicting nature of the statements, made by various investigators, as to the exact composition and nature of thallic sulphate. As the subject appeared of some interest, I subsequently commenced an investigation of the salt and of the
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The effect of addition of salts on the micellization of anionic surfactant sodium dodecyl sulphate (SDS) in aqueous medium has been studied by conductance measurement at 298.15 K. The critical micelle concentration (CMC) as well as thermodynamic properties was evaluated.
Jay Narayan Mitruka+4 more
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The distribution of sulphate residues in the chondroitin sulphate chain [PDF]
1. Electrophoresis of chondroitin sulphate, before and after partial degradation with testicular hyaluronidase, revealed charge heterogeneity of the degraded but not of the intact polymer. 2. Hyaluronidase-treated chondroitin sulphate was fractionated by gel chromatography.
Ulf Lindahl, Åke Wasteson
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The structure of Rph, an exoribonuclease from Bacillus anthracis, at 1.7 angstrom resolution [PDF]
Maturation of tRNA precursors into functional tRNA molecules requires trimming of the primary transcript at both the 5' and 3' ends. Cleavage of nucleotides from the 3' stem of tRNA precursors, releasing nucleotide diphosphates, is accomplished in ...
Blagova, Elena V.+5 more
core +2 more sources
Impact of mining activities in the Upper Silesian Coal Basin on surface water and possibilities of its reduction [PDF]
Due to the deposits of quality hard coal, the area of the Upper Silesian Coal Basin (USCB) has been one of the most industrialised regions in Europe for centuries.
Adamczyk, Zdzisław+3 more
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Formation peculiarities of physical and chemical composition of highly mineralized edge water [PDF]
Purpose. To study the formation peculiarities of the physical and chemical composition of highly mineralized edge waters in oil and gas fields. Methods.
Mandryk, O, Pukish, A, Zelmanovych, A
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X-Ray fluorescence analysis of feldspars and silicate glass: effects of melting time on fused bead consistency and volatilisation [PDF]
Reproducible preparation of lithium tetraborate fused beads for XRF analysis of glass and mineral samples is of paramount importance for analytical repeatability.
Bell, Anthony+11 more
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Jarosite stability on Mars [PDF]
Jarosite, a potassium (sodium) iron sulphate hydrated mineral, has recently been identified on the martian surface by the Opportunity rover. Using recent thermochemical data [Drouet and Navrotsky, 2003, Geochim. Cosmochim.
Drouet, Christophe+2 more
core +1 more source