頁籤選單縮合
題 名 | Experimental Assessment of Radiation Detectors for the Detection Efficiency Using F-18 Labeled Radiopharmaceuticals=利用不同活度F-18 FDG比較輻射偵檢器在不同距離之下的偵測效率 |
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作 者 | 陳怡勳; 蔡雅琴; 杜東峻; | 書刊名 | Annals of Nuclear Medicine and Molecular Imaging |
卷 期 | 26:4 2013.12[民102.12] |
頁 次 | 頁149-153+a8 |
分類號 | 414.93 |
關鍵詞 | 區域輻射偵測器; 氟-18氟化去氧葡萄糖; 伽瑪輻射; 個人型輻射偵測器; 輻射防護; Area radiation detector; F-18 FDG; Gamma radiation; Personal radiation detector; Radiation protection; |
語 文 | 英文(English) |
英文摘要 | Background: To detect the radioactive contamination is important for working in a nuclear medicine department not only to prevent and control the contamination of radionuclides but also to ensure the safety of patients and medical staff. Selecting a reliable and suitable radiation detector remains a disturbing issue. In the current study, an experimental method of choosing the optimal radiation detector was described, based on their detection efficiency. Methods: Five available radiation detectors were used in this study, including three area detectors (AL375, AT1121, and ARM-LD) and two personal detectors (Dosi.man and MiniRadiac). Using F-18 FDG as a radioactive source mimicking the radioactive contamination, the effective dose rate of each detector was measured at predetermined distances. The linear regressions of each detector for the effective dose rate and the inverse square of the distance were calculated, and the correlation coefficients of each linear regression were determined. Results: The correlation coefficient was average above 0.9000 in all five radiation detectors. For the two personal detectors, MiniR.adiac showed better detection efficiency. Among the area detectors, the detection efficiency of AT1121 was the best and the most sensitive detector compared to the other four. Conclusion: The radiation detectors used in this study showed similar but distinguished detection efficiency, indicating that this experimental method was suitable for choosing an optimal radiation detector to facilitate the detection and prevention of radioactive contamination. As for the surveillance of patients and visitors with unexpected radioactive contamination in the hospital, such as the emergency department, our experience described here may provide an easy and convenient model for establishing the rapid response to manage the radioactive contamination. |
本系統中英文摘要資訊取自各篇刊載內容。