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Growth of calcium oxalate crystals induced by complex films containing biomolecules

机译:含有生物分子的复合膜诱导草酸钙晶体的生长

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摘要

Nucleation and growth of calcium oxalate (CaC2O4) crystals induced by films composed of phosphatidylcholine (PC), cholesterol (CS) and human serum albumin (HSA), and of PC, CS and dextran have been carried out. The products obtained were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy and ultraviolet-visible spectroscopy. The results indicate that hexagonal calcium oxalate monohydrate (COM) and club-shaped calcium oxalate trihydrate (COT) crystals are obtained on the PC/CH/HSA film, and the microstructure and properties of the PC/CH/HSA film depend on the weight ratio of PC to CS. With an increase in the PC-to-CS ratio, the number of COM crystals decreases gradually, and finally disappear, suggesting that PC inhibits the growth of COM crystals. On the PC/CS/dextran film, irregular COM and COT crystals are formed. The possible formation mechanisms of CaC2O4 on the two complex films are discussed.
机译:由磷脂酰胆碱(PC),胆固醇(CS)和人血清白蛋白(HSA)以及PC,CS和右旋糖酐组成的膜诱导的草酸钙(CaC2O4)晶体的成核和生长。通过傅立叶变换红外光谱,扫描电子显微镜和紫外可见光谱对所得产物进行表征。结果表明在PC / CH / HSA膜上获得了六方草酸钙一水合物(COM)和球状草酸三钙(COT)晶体,并且PC / CH / HSA膜的微观结构和性能取决于重量PC与CS的比率。随着PC与CS比率的增加,COM晶体的数量逐渐减少,最后消失,这表明PC抑制了COM晶体的生长。在PC / CS / dextran膜上,形成不规则的COM和COT晶体。讨论了CaC2O4在两种复合膜上的可能形成机理。

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