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Yeungnam Univ J Med > Volume 28(2); 2011 > Article
Yeungnam University Journal of Medicine 2011;28(2):145-152.
DOI: https://doi.org/10.12701/yujm.2011.28.2.145    Published online December 31, 2011.
The Effects of Nanoparticles for Irradiation.
Ji Woon Yea, Hyun Jin Shin
1Department of Radiation Oncology, College of Medicine, Yeungnam University, Daegu, Korea. yjw1160@ynu.ac.kr
2Department of Biomedical Engineering, Yeungnam University Medical Center, Daegu, Korea.
Abstract
BACKGROUND: To evaluate the changes in the radiation dose and temperature distribution on irradiated egg albumin and nanoparticle (Fe3O4) powder mixed egg albumin. METHODS: A new type of phantom was designed by fabricating a 30x30x30cm acryl square inside a 3x3x3cm small square and dividing it into two parts. In the control group, only egg albumin was irradiated, and in the test group, 25nm 20mg/cc, 25nm 40mg/cc, and 1 um 40 mg/cc nanoparticles with egg albumin were irradiated. The radiation isodose distributions and temperature changes were then observed. RESULTS: No significant changes were observed in the radiation dose and temperature distribution. CONCLUSION: The nanoparticles were considered not to have had any effect on the radiation dose and temperature distribution under the experimental conditions. Further studies can be conducted based on the changes in the mixture material.
Key Words: Nanoparticle, Iron oxide (Fe3O4 Powder), Radiation dose, Temperature change


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