کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1796378 1023743 2007 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Inhibition of calcium oxalate monohydrate crystal growth using polyelectrolytes
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Inhibition of calcium oxalate monohydrate crystal growth using polyelectrolytes
چکیده انگلیسی

The effects of polyacrylic acid and poly(ethylene glycol-block-acrylic acid) copolymer on the growth of calcium oxalate monohydrate (COM), a common renal stone constituent, have been investigated in aqueous solutions at 37 °C. A constant composition method has been utilized to investigate the crystallization kinetics of COM. The results of the experiment show that the retardation in mass transport in growth process is controlled by the nature of the polymer and its concentration. Monoclinic COM crystals were shown to be major components in the absence of polymers. In the presence of polymers monoclinic COM crystals were smaller and some of the crystals were less elongated, and small number of crystals grew in the shape of three-dimensional hexagonal prisms. 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 surface.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Crystal Growth - Volume 307, Issue 1, 1 September 2007, Pages 137–144
نویسندگان
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