Zobrazeno 1 - 10
of 60
pro vyhledávání: '"V.P. Yuryev"'
Publikováno v:
Carbohydrate Polymers. 18:165-169
The binding isotherms for Ca 2+ with sodium pectate and sodium pectinate (58% esterification) were constructed. To achieve this, a method of determining free Ca 2+ ions using auxiliary ligand, tetramethylmurexide, was employed. It was demonstrated th
Publikováno v:
Carbohydrate Polymers. 18:27-34
Pulsed-NMR, X-ray-diffraction and rheological measurements were used to study the structure of systems containing amylose, amylopectin, and their mixtures. It is shown that aggregates whose lifetime was compatible with or exceeded the relaxation time
Publikováno v:
Colloid & Polymer Science. 269:850-854
NMR and potentiometric methods revealed at least two types of interactions of Na+ and K+ ions with κ-carrageenan, viz., Coulombic interaction with polysaccharide sulfate groups, and a coordination one, leading, in the case of the Na+ ions, to format
Publikováno v:
Journal of Organometallic Chemistry. 171:167-175
Hydrosilylation of endo - and exo -cyanonorbornenes, endo -methylnorbornene and camphene by trichlorosilane on a Ni catalytic system was investigated. Based on the spectral data obtained from 13 C and 1 H NMR studies, using Eu(fod) 3 as the shift rea
Publikováno v:
Colloid & Polymer Science. 261:210-214
A study was made of the effect of NaCl on the counterion activity coefficient in solutions of acidic polysaccharide sodium salts. The counterion activity coefficient in the sodium salt solutions of polyuronic acids was shown to be determined by elect
Publikováno v:
Carbohydrate Polymers. 11:139-146
Water mobility in the solutions of maltodextrin during the structure formation was studied by the Proton Pulse NMR technique. The comparison of the two-component spin-spin relaxation of the maltodextrin non-exchanging CH-protons with the relaxation p
Publikováno v:
Carbohydrate Polymers. 1:139-156
The activity coefficient of sodium ions in the presence of acidic polysaccharides (alginates, pectins and κ-carrageenan) has been measured potentiometrically. The activity determined in limit-dilute solutions normally exceeded the values calculated
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