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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | El Gohary, M. I. Soliman, Y. S. Amin, E. A. Gawad, M. H. Abdel Desouky, O. S. |
| Description | Country affiliation: Egypt Author Affiliation: El Gohary MI ( Biophysics Branch, Physics Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt.); Soliman YS ( National Center for Radiation Research and Technology, Atomic Energy Authority (AEA), P. O. Box 8029, Nasr City, Cairo, Egypt. Electronic address: yasser_shabaan@hotmail.com.); Amin EA ( Medical Physics Unit, Ain-Shams Hospital, Ain-Shams University, El Abbasia, Cairo, Egypt.); Gawad MH ( Biophysics Branch, Physics Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt.); Desouky OS ( National Center for Radiation Research and Technology, Atomic Energy Authority (AEA), P. O. Box 8029, Nasr City, Cairo, Egypt.) |
| Abstract | The conventional ferrous xylenol orange (XO) gel (FXG) dosimeter is being wildly investigated for radiotherapy dose measurements. Upon irradiation, its color turns red due to oxidation of Fe(2+) into Fe(3+), which forms a complex with xylenol orange. The effect of perchloric acid (PCA) on the dosimetric properties of the gel in the dose range of 1-15Gy was investigated using visual spectrophotometry. FXG-PCA responds to radiation dose linearly and exhibits higher radiation sensitivity than the conventional gel dosimeter. PCA in a concentration of 20mM enhances the radiation sensitivity ~44%. Stability of the absorbances of both the gels during storage under various conditions was investigated, and the uncertainty of dose measurements was estimated. |
| File Format | HTM / HTML |
| ISSN | 09698043 |
| Journal | Applied Radiation and Isotopes |
| Volume Number | 113 |
| e-ISSN | 18729800 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-07-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiation |
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