Antifungal and antiovarian cancer properties of α Fe2O3 and α Fe2O3/ZnO nanostructures synthesised by Spirulina platensis

被引:10
作者
Abbas, Heba Salah [1 ,2 ,3 ]
Krishnan, Akilandeswari [2 ,3 ]
Kotakonda, Muddukrishnaiah [3 ]
机构
[1] Natl Org Drug Control & Res, Cairo, Egypt
[2] FICCI, Scheme Asian Res Training Fellowship Developing C, New Delhi, India
[3] Anna Univ, Bharathidasan Inst Technol, Dept Pharmaceut Technol, Tiruchirappalli 620024, Tamil Nadu, India
关键词
nanocomposites; toxicology; nanofabrication; cellular biophysics; X-ray diffraction; iron compounds; biochemistry; cancer; antibacterial activity; transmission electron microscopy; biomedical materials; wide band gap semiconductors; DNA; II-VI semiconductors; visible spectra; molecular biophysics; ultraviolet spectra; nanomedicine; zinc compounds; nanoparticles; microorganisms; Fourier transform infrared spectra; Spirulina platensis; antifungal activity; alpha-Fe2O3; antiovarian cancer properties; Candida albicans infection; cytotoxic effect; biosynthesised nanostructures; human ovarian tetracarcinoma cell PA1; cell death; uncoated alpha-Fe2O3; coated alpha-Fe2O3 nanostructures; alpha-Fe2O3-ZnO nanocomposite; carbohydrate; physicochemical features; UV-visible spectroscopy; high resolution transmission electron microscopy; Fourier transform infrared spectroscopy; broth dilution method; 2 '; 7 '-dichlorofluorescein diacetate staining; PA1 cell lines; comet assays; MTT assays; rod-shaped nanostructures; surface coating; PA1 cell proliferation; DNA fragmentation; green nanotechnology; Fe2O3-ZnO; Fe2O3; IRON-OXIDE NANOPARTICLES; CANDIDA-ALBICANS; REACTIVE OXYGEN; ANTIBACTERIAL; NANOCOMPOSITE; INFECTIONS; TOXICITY; ASSAY; RISK; GENOTOXICITY;
D O I
10.1049/iet-nbt.2020.0055
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Candida albicans (C. albicans) infection shows a growing burden on human health, and it has become challenging to search for treatment. Therefore, this work focused on the antifungal activity, and cytotoxic effect of biosynthesised nanostructures on human ovarian tetracarcinoma cells PA1 and their corresponding mechanism of cell death. Herein, the authors fabricated advanced biosynthesis of uncoated alpha-Fe2O3 and coated alpha-Fe2O3 nanostructures by using the carbohydrate of Spirulina platensis. The physicochemical features of nanostructures were characterised by UV-visible, high resolution transmission electron microscopy, Fourier transform infrared spectroscopy, and X-ray diffraction. The antifungal activity of these nanostructures against C. albicans was studied by the broth dilution method, and examined by 2 ', 7 '-dichlorofluorescein diacetate staining. However, their cytotoxic effects against PA1 cell lines were evaluated by MTT and comet assays. Results indicated characteristic rod-shaped nanostructures, and increasing the average size of alpha-Fe2O3@ZnO nanocomposite (105.2 nm x 29.1 nm) to five times as compared to alpha-Fe2O3 nanoparticles (20.73nm x 5.25 nm). The surface coating of alpha-Fe2O3 by ZnO has increased its antifungal efficiency against C. albicans. Moreover, the MTT results revealed that alpha-Fe2O3@ZnO nanocomposite reduces PA1 cell proliferation due to DNA fragmentation (IC50 18.5 mu g/ml). Continual advances of green nanotechnology and promising findings of this study are in favour of using the construction of rod-shaped nanostructures for therapeutic applications.
引用
收藏
页码:774 / 784
页数:11
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