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Thursday, May 7, 2020 | History

2 edition of Polyelectrolyte inhibition of calcium oxalate crystallization found in the catalog.

Polyelectrolyte inhibition of calcium oxalate crystallization

Mark D. Weiss

Polyelectrolyte inhibition of calcium oxalate crystallization

by Mark D. Weiss

  • 185 Want to read
  • 17 Currently reading

Published .
Written in English


Edition Notes

Statementby Mark D. Weiss.
SeriesMaster"s theses (State University of New York at Binghamton) -- no. 732
The Physical Object
Paginationix, 87 leaves :
Number of Pages87
ID Numbers
Open LibraryOL22215143M

Charge and molecular weight effects in the polyelectrolyte adsorption on calcium oxalate monohydrate crystals Chapter (PDF Available) September with 11 Reads How we measure 'reads'. This book documents the proceedings of the symposium, "Mineral Scale Formation and Inhibition," held at the American Chemical Society Annual Meeting August 21 to 26, , in Washington, D. C. The sym Association between Calcium Phosphate and Calcium Oxalate Crystals . Specificity of Growth Inhibitors and their Cooperative Effects in Calcium Oxalate Monohydrate Crystallization. Journal of the American Chemical Society , (1), DOI: Cited by: The classic theory of Cabrera and Vermilyea (C-V) postulates that inhibition of crystallization by impurities is the result of pinning of step motion. Although generally accepted, the predictions of the C-V model have not been previously linked to studies of impurity adsorption in macroscopic crystallization systems. Since calcium oxalate Cited by:

  Zindler-Frank, E., Hönow, R. & Hesse, A. Calcium and oxalate content of the leaves of Phaseolus vulgaris at different calcium supply in relation to calcium oxalate crystal formation. Plant Cited by: Calcium oxalate crystals are the most common cause of kidney stones — hard clumps of minerals and other substances that form in the kidneys. These crystals are made from oxalate — a substance Author: Stephanie Watson. In vitro inhibition of calcium oxalate crystallization and crystal adherence to renal tubular epithelial cells by Terminalia arjuna. Urolith. ;– View Article Google Scholar Newman DJ, Cited by: 1.   Researchers have found evidence that a natural fruit extract is capable of dissolving calcium oxalate crystals, the most common component of human kidney stones. This finding could .

  One of these fragments, F1, is excreted in human urine and is the principal protein occluded into calcium oxalate (CaOx) crystals precipitated from it. This urinary form of F1, which we have named urinary prothrombin fragment 1 is present in calcium stones and is a potent inhibitor of CaOx crystallization Cited by: Influence of anionic, sodium dodecyl sulfate (SDS) and cationic, dodecylammonium chloride (DDACl) surfactant, on spontaneous batch precipitation of calcium oxalate is investigated. A combination of . calcium and oxalate was measured through changes in the conductivity of the suspension [6]. Both systems were found to produce the same growth kinetics. The type of adsorption of inhibitors on the crystal surface could be derived from the dose dependent changes in crystal growth inhibition .   Here we show that two molecular inhibitors of calcium oxalate monohydrate crystallization—citrate and hydroxycitrate—exhibit a mechanism that differs from classical theory in that inhibitor Cited by:


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Polyelectrolyte inhibition of calcium oxalate crystallization by Mark D. Weiss Download PDF EPUB FB2

The presence of polymers inhibited the crystal growth of calcium oxalate possibly through adsorption onto the active growth sites for crystal growth due to the charge and hydrophilic effects.

The higher inhibition efficiency of vinylsulfonic acid homopolymer is related to the maximum surface charge density due to adsorbed by: The presence of polymers inhibited the crystal growth of calcium oxalate possibly through adsorption onto the active growth sites for crystal growth Polyelectrolyte inhibition of calcium oxalate crystallization book to the charge and hydrophilic effects.

The higher inhibition efficiency of vinylsulfonic acid homopolymer is related to the maximum surface charge density due to adsorbed polymer. Influence of graft copolymers with different architecture on spontaneous batch crystallization of calcium oxalate was investigated.

The series of water-soluble polyethyleneglycol methacrylate-vinylsulfonic Cited by: Inhibition of calcium oxalate monohydrate crystal growth using polyelectrolytes.

The data on the growth kinetics of crystals in the presence of polyelectrolytes were examined from the standpoint of adsorption models. Polyelectrolyte effects were interpreted in terms of the adsorption of inhibitors onto the active growth sites on the crystal Polyelectrolyte inhibition of calcium oxalate crystallization book by: Inhibition of calcium oxalate monohydrate crystal growth using polyelectrolytes Article in Journal of Crystal Growth (1) September with 45 Reads Polyelectrolyte inhibition of calcium oxalate crystallization book we measure 'reads'.

Inhibition of calcium oxalate crystallization was provided by adsorption of homopolymer onto the active growth sites of crystals on account of the charge and hydrophilic effects.

The crystallization of calcium oxalate (CaOxa) in aqueous solutions of the extracts of Semen Plantaginis and Folium Pyrrosiae has been investigated, focusing on the inhibition mechanism of. The results showed that found that VP tested in this study was effective on crystallization rate and behaved as an inhibitor for calcium oxalate crys presence of VP inhibited the crystal growth of.

Keywords: Calcium oxalate, Bergenia ciliata, Anti-crystallisation, Nucleation, Aggregation Introduction The incidence of urinary calculi is increasing worldwide and calcium oxalate (CaOx, Cited by: Calsequestrinlike calcium-binding protein is expressed in calcium-accumulating cells of Pistia stratiotes.

Proc Natl Acad Sci U S A. Aug 1; 90 (15)– [PMC free article] Grover PK, Moritz RL, Simpson RJ, Ryall RL. Inhibition of growth and aggregation of calcium oxalate crystals Cited by: The effects of polyelectrolytes on the inhibition and aggregation of calcium oxalate crystallization.

Emel Akyol. Department of Chemical Engineering, Yildiz Technical University, Davutpasa, Istanbul. The influence of polyelectrolytes with different architecture on spontaneous batch crystallization of calcium oxalate was investigated. A series of acidic acrylate block copolymers were been made, by Cited by: [17] Crystal growth rates were measured over a wide range of supersaturations and inhibitor concentrations in order to obtain mechanistic information on the important factors influencing crystal growth and inhibition of calcium oxalate.

MATERIALS AND METHODS Crystal Cited by:   The calcium oxalate crystals studied with urine from stone forming volunteers showed inhibition of 41% for NaSH, 34% for Na 2 S 2 O 3, 32% for Na 3 C 6 H 5 O 7 and almost no inhibition.

Inhibition of calcium oxalate monohydrate (COM), the most common component in human kidney stone diseases, was investigated using various structural derivatives of citrate, a known inhibitor of COM crystallization.

Bulk crystallization studies revealed the specific binding of modifiers to COM crystal. Inhibition of calcium oxalate monohydrat Inhibition of calcium oxalate monohydrate crystal growth using polyelectrolytes Atıf İçin Kopyala Akyol E., Oner M.

JOURNAL OF CRYSTAL GROWTH, Cited by: Chromatographic separation of urine showed inhibition of calcium oxalate (CaOx)-crystallization among substances with both large and small molecular weights. Ultrafiltration showed that Cited by: 9. The inhibitory effect of uropontin on calcium oxalate crystal growth in vitro supports the concept that pontins may have a regulatory role.

This function would be analogous to that of other members of the aspartic acid-rich protein superfamily, which stereospecifically regulate the mineralization fronts of calcium-containing by: The inhibition of in-vitro crystallization of CaOx suggests that CAAE has influence on the formation of crystals from sodium oxalate and calcium chloride and/or their aggregation.

Most of the previous papers [25], [26] stated that the test drug or extract inhibited the crystallization by favoring the formation of calcium oxalate Cited by: 7. Both block and random copolymers, with different proportions of carboxylate groups to butyl ester groups, have been tested as inhibitors for the crystallization of calcium oxalate.

The degree of inhibition is measured as the reduction in initial crystallization rate, determined by conductivity of the crystallizing by:.

Pdf is well illustrated by the case of PAA(L). The calcium oxalate crystallization in the pdf of low concentrations of low molecular weight poly (acrylic) acid (PAAL) occurred in less than 10 s while at the higher polymer concentrations the precipitation occurred over a period of 5 mm.

The crystals Cited by: Oner M., Calvert P. () The Role of Acrylic Polyelectrolytes and Acrylic Gels as Crystallization Inhibitors and Promoters of Calcium Oxalate. In: Kossowsky R., Kossovsky N. (eds) Advances in Author: Mualla Oner, Paul Calvert.Figure 3- The relationship between ebook oxalate monohydrate crystal inhibition [tm] and the activity of calcium oxalate stone formation in stone-formers and healthy controls.

(H) Healthy controls Author: Jill S. Lindberg, Francis E. Cole, William Romani, Fred E. Husserl, Harold A. Fuselier, Dirk J. Kok.