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首页> 外文期刊>Crystallography reports >Synthesis and In Vitro Study of the Biodegradation Resistance of Magnetic Nanoparticles Designed for Studying the Viscoelasticity of Cytoplasm
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Synthesis and In Vitro Study of the Biodegradation Resistance of Magnetic Nanoparticles Designed for Studying the Viscoelasticity of Cytoplasm

机译:磁性纳米粒子生物降解性的合成与体外研究,用于研究细胞质粘弹性的磁性纳米粒子

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摘要

An approach to the analysis of intracellular motion with nanosecond temporal resolution, based on the Mossbauer study of particles incorporated into a cell, has been developed. A possibility of applying magnetic nanoparticles as probes for studying in vitro the cytoplasm properties is analyzed. Two types of aqueous colloids of nanoparticles enriched with the Fe-57 isotope are synthesized, and their cytotoxicity and biodegradation resistance under living cell conditions are investigated by an example of breast cancer cell line. It is found that the particles barely undergo any changes characteristic of biodegradation processes during their 120-h incubation in cells, although intracellular oxidation of divalent iron in the particle composition is observed. This result indicates possibility of using these particles for in vitro Mossbauer studies.
机译:已经开发了一种基于掺入细胞中的颗粒的莫斯鲍尔研究与纳秒时间分辨率分析细胞内运动的方法。 将磁性纳米颗粒作为在体外研究的探针施加磁性纳米颗粒的可能性分析了细胞质性质。 合成了两种类型的纳米颗粒的纳米颗粒,并通过乳腺癌细胞系的实例研究了活细胞条件下的细胞毒性和生物降解性。 发现颗粒几乎没有经历生物降解过程的任何变化在细胞中的120小时内生物降解过程,尽管观察到颗粒组合物中的二价铁的细胞内氧化。 该结果表明使用这些颗粒用于体外母生菌的研究。

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