Kh. E. Yunusov, M. M. Mirkholisov, N. Sh. Ashurov, A. A. Sarymsakov, S. Sh. Rashidova
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引用次数: 0
摘要
摘要 通过化学方法，从温度为 80°C 的纯化羧甲基纤维素钠（取代度为 0.97，聚合度为 850）和水合硝酸锌晶体溶液中，确定了合成含有不同尺寸和形状氧化锌纳米颗粒的聚合物-金属复合物的条件。通过傅里叶变换红外光谱、原子力显微镜和 X 射线衍射分析，研究了含有大小和形状不同的稳定氧化锌纳米颗粒的羧甲基纤维素钠样品的物理化学特性。研究发现，在进行化学还原的羧甲基纤维素钠溶液中，随着 Zn(NO3)2 初始浓度的增加，会形成大小和形状不同的氧化锌纳米颗粒。含有纳米氧化锌的羧甲基纤维素钠溶液可作为具有抗菌特性的生物材料广泛应用于医疗领域。
Formation of Zinc Oxide Nanoparticles in Aqueous Solutions of Carboxymethylcellulose and Their Physico-Chemical Properties
Conditions for the synthesis of polymer–metal complexes incorporating zinc oxide nanoparticles differing in the size and shape, via chemical methods from solutions of purified sodium carboxymethylcellulose (degree of substitution 0.97 and degree of polymerization 850) and zinc nitrate crystal hydrate at temperature 80°C, have been determined. Physico-chemical properties of the samples of sodium carboxymethylcellulose containing stabilized zinc oxide nanoparticles differing in the size and shape have been investigated by means of FT-IR spectroscopy, atomic force microscopy, and X-ray diffraction analysis. It has been found that an increase in initial concentration of Zn(NO3)2 in the solutions of sodium carboxymethylcellulose subject to chemical reduction leads to the formation of zinc oxide nanoparticles differing in the size and shape. Solutions of sodium carboxymethylcellulose containing zinc oxide nanoparticles can be widely used in medical practice as biomaterials with antibacterial properties.
期刊介绍：
Polymer Science, Series B is a journal published in collaboration with the Russian Academy of Sciences. Series B experimental and theoretical papers and reviews dealing with the synthesis, kinetics, catalysis, and chemical transformations of macromolecules, supramolecular structures, and polymer matrix-based composites (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed
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