Biyoaktif Camların Etkin Atom Numaraları ve Kütle Azaltma Katsayıları Üzerine Bir Araştırma

A bioactive material is known as a natural or man-made material that prompts a specific biological response from the body such as bonding to tissue. They have numerous applications in the repair and reconstruction of diseased and damaged tissue, and tissue and hard tissue (bone) re-engineering. In this study, we have evaluated the same gamma-ray shielding parameters such as mass attenuation coefficient (μ/ρ), effective atomic number (Zeff), half value layer (HVL), mean free path (MFP) for selected bioactive glasses. The shielding effectiveness of the selected glasses is found comparable each other. Effective atomic number (Zeff) is convenient parameters used to characterize the radiation response of a multi-element material in the technical and industrial applications, radiation shielding design, absorbed dose. Thus, it is very significant to choose accurate method to determine this parameter unambiguously. In the present study, effective atomic number of different type of material has been calculated by using calculation method for total photon interaction in the energy region of 1 keV to 100 GeV. The results obtained from this study show that effective atomic number depends strongly on the chemical composition of the interaction material in the lower as well as higher energy region, but in the intermediate energy region, the chemical composition dependence becomes very weak. This result can be interpreted that an increase in $P_2O_5$ content in the composition of bioactive glasses results as an in increase of bioactivity of that particular materials. Therefore, this study underlines the finding that bioactive glasses would be potential biomaterials for biomedical applications.

An Investigation on Effective Atomic Numbers and Mass Attenuation Coefficients of Some Bioactive Glasses

A bioactive material is known as a natural or man-made material that prompts a specific biological response from the body such asbonding to tissue. They have numerous applications in the repair and reconstruction of diseased and damaged tissue, and tissue and hardtissue (bone) re-engineering. In this study, we have evaluated the same gamma-ray shielding parameters such as mass attenuationcoefficient (μ/ρ), effective atomic number (Zeff), half value layer (HVL), mean free path (MFP) for selected bioactive glasses. Theshielding effectiveness of the selected glasses is found comparable each other. Effective atomic number (Zeff) is convenient parametersused to characterize the radiation response of a multi-element material in the technical and industrial applications, radiation shieldingdesign, absorbed dose. Thus, it is very significant to choose accurate method to determine this parameter unambiguously. In the presentstudy, effective atomic number of different type of material has been calculated by using calculation method for total photon interactionin the energy region of 1 keV to 100 GeV. The results obtained from this study show that effective atomic number depends strongly onthe chemical composition of the interaction material in the lower as well as higher energy region, but in the intermediate energy region,the chemical composition dependence becomes very weak. This result can be interpreted that an increase in $P_2O_5$ content in thecomposition of bioactive glasses results as an in increase of bioactivity of that particular materials. Therefore, this study underlines thefinding that bioactive glasses would be potential biomaterials for biomedical applications.

PDF

___

Berger, M. (2010). XCOM: photon cross sections database. Http://Www. Nist. Gov/Pml/Data/Xcom/Index. Cfm.
Berger, M. J. (1998). Photon cross sections database. NIST Standard Reference Database 8 (XGAM). Http://Physics. Nist. Gov/PhysRefData/Xcom/Text/XCOM. Html.
Dong, M. G., El-Mallawany, R., Sayyed, M. I., & Tekin, H. O. (2017). Shielding properties of 80TeO2–5TiO2–(15- x) WO3–xAnOm glasses using WinXCom and MCNP5 code. Radiation Physics and Chemistry, 141, 172–178.
Doweidar, H. (2009). Density–structure correlations in Na2O–CaO–P2O5–SiO2 bioactive glasses. Journal of Non-Crystalline Solids, 355(9), 577–580.
Hench, L. L., & Andersson, Ö. (1993). Bioactive glasses. In An introduction to bioceramics (pp. 41–62). World Scientific.
Hine, G. J. (1952). The effective atomic numbers of materials for various gamma ray processes. Phys Rev, 85, 725.
Issa, S. A. M., Saddeek, Y. B., Sayyed, M. I., Tekin, H. O., & Kilicoglu, O. (2019). Radiation shielding features using MCNPX code and mechanical properties of the PbONa2OB2O3CaOAl2O3SiO2 glass systems. Composites Part B: Engineering, 167, 231– 240. https://doi.org/10.1016/j.compositesb.2018.12.029
Issa, S. A., Tekin, H. O., Elsaman, R., Kilicoglu, O., Saddeek, Y. B., & Sayyed, M. I. (2019). Radiation shielding and mechanical properties of Al2O3-Na2O-B2O3-Bi2O3 glasses using MCNPX Monte Carlo code. Materials Chemistry and Physics, 223, 209–219.
Jackson, D. F., & Hawkes, D. J. (1981). X-ray attenuation coefficients of elements and mixtures. Physics Reports, 70(3), 169–233.
Kaur, G., Pandey, O. P., Singh, K., Homa, D., Scott, B., & Pickrell, G. (2014). A review of bioactive glasses: their structure, properties, fabrication and apatite formation. Journal of Biomedical Materials Research Part A: An Official Journal of The Society for Biomaterials, The Japanese Society for Biomaterials, and The Australian Society for Biomaterials and the Korean Society for Biomaterials, 102(1), 254–274.
Sayyed, M. I. (2016). Investigation of shielding parameters for smart polymers. Chinese Journal of Physics, 54(3), 408–415.
Sayyed, M. I., Issa, S. A. M., Tekin, H. O., & Saddeek, Y. B. (2018). Comparative study of gamma-ray shielding and elastic properties of BaO–Bi2O3–B2O3 and ZnO–Bi2O3–B2O3 glass systems. Materials Chemistry and Physics, 217, 11–22. https://doi.org/10.1016/j.matchemphys.2018.06.034
Sayyed, M. I., Tekin, H. O., Kılıcoglu, O., Agar, O., & Zaid, M. H. M. (2018). Shielding features of concrete types containing sepiolite mineral: Comprehensive study on experimental, XCOM and MCNPX results. Results in Physics, 11, 40–45. https://doi.org/10.1016/j.rinp.2018.08.029
Tekin, H. O., Altunsoy, E. E., Ozturk, F. C., Kilicoglu, O., & Sayyed, M. I. (2018). Gamma-ray attenuation properties of boron carbide in radiological energy range using MCNPX code. AIP Conference Proceedings, 2042(1), 020059. https://doi.org/10.1063/1.5078931
Tekin, H. O., Erguzel, T. T., Karahan, M., Kara, U., Kilicoglu, O., Mesbahi, A., & Sayyed, M. I. (2018). Investıgatıon of Water Equıvalance and Shıeldıng Propertıes of Dıfferent Solid Phantoms Using MCNPX Code. Digest Journal of Nanomaterials and Biostructures, 13(2), 9.
Tekin, H. O., Sayyed, M. I., Kilicoglu, O., Karahan, M., Erguzel, T. T., Kara, U., & Konuk, M. (2018). Calculation of gamma-ray attenuation properties of some antioxidants using Monte Carlo simulation method. Biomedical Physics & Engineering Express, 4(5), 057001. https://doi.org/10.1088/2057-1976/aad297