Abstract
Radiosensitizers have played a key role in the enhancement of radiation therapy to minimize the effect of ionizing radiation on healthy tissue. Different types of radiosensitizers had been developed and utilized in radiation therapy such as hyperbaric oxygen, carbogen, mitomycin-C, and fluorodeoxyuridine. With the development of nanotechnology, attention had been paid to produce nano-radiosensitizers such as gold, silver, titanium, gadolinium, and iron, silicon NPs to overcome the side effects of chemical radiosensitizers. In this manuscript, TiO2 NPs had been synthesized using different concentrations (10 ml, 20 ml, and 30 ml) of aloe vera extract. The physicochemical characteristics Of TiO2 NPs were characterized by X-ray diffraction (XRD), UV–vis spectroscopy (UV), RAMAN, Fourier transformation infrared (FTIR), and thermogravimetric analysis (TGA). MTT assay was used to assess the cytotoxicity of the samples under investigation before and after irradiation. The obtained results revealed aloe vera extract can be used as a reducing agent to synthesis of TiO2 NPs; also, the concentration of aloe vera extract is a key factor in the size and bioactivity of TiO2 NPs. Moreover, the green synthesis of TiO2 NPs enhances its biocompatibility as indicated in the decrease of its cytotoxicity to HepG2 cells. The green synthesized TiO2 NPs from aloe vera extract showed a promising radiosensitization ability with a dose- and concentration-dependent manner.
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Data Availability
All the data used to support the findings of this study are included within the article. Other data are available from the corresponding author upon request.
Abbreviations
- NPs:
-
Nanoparticles
- ROS:
-
Reactive oxygen species
- ROS:
-
Titanium isopropoxide
- PEG:
-
Polyethylene glycol
- HepG2:
-
Liver hepatocellular cells
- DMSO:
-
Dimethylsulfoxide
- OD:
-
Optical density
- XRD:
-
X-ray diffraction
- FWHM:
-
Full width at half maximum
- HRTEM:
-
High-resolution transmission electron microscope
- FTIR:
-
Fourier transformation infrared
- TGA:
-
Thermogravimetric analysis
- DMEM:
-
Dulbecco’s Modified Eagle’s Medium
- MTT:
-
3-[4,5-Dimethylthiazol-2-yl]-2,5 diphenyltetrazolium
- SSD:
-
Source surface distance
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This research was supported financially by the Academy of Scientific Research and Technology (ASRT), Egypt, Grant No 6658.
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Yasmin Abo Elhassan did the experimental part and Alaa Hassan Said analyzed the data and wrote the original manuscript. N. K. Ahmed, A. Abbady revised the original manuscript. All authors read and approved the final manuscript.
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Ahmed, N.K., Abbady, A., Elhassan, Y.A. et al. Green Synthesized Titanium Dioxide Nanoparticle from Aloe Vera Extract as a Promising Candidate for Radiosensitization Applications. BioNanoSci. 13, 730–743 (2023). https://doi.org/10.1007/s12668-023-01085-2
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DOI: https://doi.org/10.1007/s12668-023-01085-2