Extracellular biosynthesis of gadolinium oxide (Gd2O3) nanoparticles, their biodistribution and bioconjugation with the chemically modified anticancer drug taxol

被引：60

作者：

Khan, Shadab Ali ^{[1
]}

Gambhir, Sanjay ^{[2
]}

Ahmad, Absar ^{[1
]}

机构：

[1] CSIR Natl Chem Lab, Biochem Sci Div, Pune 411008, Maharashtra, India

[2] SGPGIMS, Dept Nucl Med, Lucknow 226014, Uttar Pradesh, India

来源：

BEILSTEIN JOURNAL OF NANOTECHNOLOGY | 2014年 / 5卷

关键词：

bioconjugation; biodistribution; gadolinium oxide; humicola sp; transmission electron microscopy; GOLD NANOPARTICLES; PACLITAXEL; PARTICLES;

D O I：

10.3762/bjnano.5.27

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

As a part of our programme to develop nanobioconjugates for the treatment of cancer, we first synthesized extracellular, protein-capped, highly stable and well-dispersed gadolinium oxide (Gd2O3) nanoparticles by using thermophilic fungus Humicola sp. The biodistribution of the nanoparticles in rats was checked by radiolabelling with Tc-99m. Finally, these nanoparticles were bioconjugated with the chemically modified anticancer drug taxol with the aim of characterizing the role of this bioconjugate in the treatment of cancer. The biosynthesized Gd2O3 nanoparticles were characterized by UV-vis spectroscopy, transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoemission spectroscopy (XPS). The Gd2O3-taxol bioconjugate was confirmed by UV-vis spectroscopy and fluorescence microscopy and was purified by using high performance liquid chromatography (HPLC).

引用

页码：249 / 257

页数：9

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