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首页> 外文期刊>Polymers for advanced technologies >Preparation, characterization and cytotoxic applications of curcumin-(+/-) alpha-lipoicacid coloaded phosphorylated chitosan nanoparticles in MDA MB231 breast cancer cell line
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Preparation, characterization and cytotoxic applications of curcumin-(+/-) alpha-lipoicacid coloaded phosphorylated chitosan nanoparticles in MDA MB231 breast cancer cell line

机译:MDA MB231乳腺癌细胞系中姜黄素 - (+/-)α-脂肪酸磷酸化脱氨酰纳米粒子的制备,表征和细胞毒性应用

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摘要

In the present work, curcumin in combination with (+/-) alpha-Lipoic acid were used as the active agents for the preparation of phosphorylated chitosan nanoparticle. Ionic gelation method was used for the successful fabrication of the nanoparticles. Effective incorporation of the drugs in the polymeric system was revealed by Fourier-transform infrared spectroscopy (FT-IR) and X-ray diffractometry (XRD). Scanning electron microscope, transmission electron microscope and dynamic light scattering method were used to analyze the morphology and dimensional characteristics of the nanoparticles. The swelling degree and drug release mechanism were studied at pH 5.0 and 7.4 for different time periods by UV-visible spectrophotometer. Cytotoxicity study was performed by MTT assay analysis on normal human lymphocyte and MDA MB 231 breast cancer cell line. Trypan blue dye exclusion assay was performed to confirm the anticancer effect of the nanoparticles. The properties of the prepared nanoparticles recommended their possible application as anticancer agents.
机译:在本研究中,姜黄素与(+/-)α-硫辛酸组合作为活性剂用于制备磷酸化壳聚糖纳米颗粒。采用离子凝胶法成功制备了纳米颗粒。通过傅立叶变换红外光谱(FT-IR)和X射线衍射(XRD)揭示了药物在聚合物体系中的有效掺入。利用扫描电子显微镜、透射电子显微镜和动态光散射法分析了纳米颗粒的形貌和尺寸特征。用紫外-可见分光光度计研究了在pH值为5.0和7.4的条件下,不同时间段的溶胀度和药物释放机制。MTT法检测正常人淋巴细胞和MDA MB 231乳腺癌细胞系的细胞毒性。台盼蓝染料排斥实验证实了纳米颗粒的抗癌作用。所制备的纳米颗粒的性质推荐了它们作为抗癌剂的可能应用。

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