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Iranian Journal of Nuclear Medicine، جلد ۲۹، شماره ۲، صفحات ۹۳-۹۶
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عنوان انگلیسی Using starch powder for the decontamination of I-131 in isolation rooms
چکیده انگلیسی مقاله Introduction: Various iodine isotopes are undergoing radioactive decay except Iodine-127 (I-127. Iodine I-131 is unsealed radioactive material used in nuclear medicine for both diagnostic and therapeutic procedures in Royal Hospital since 2006. In radiotoxic classification, I-131 is in group 2 element. I-131 is highly reactive element due to its volatilization nature. Currently, commercial Radio-active wash spray method used for I-131 decontamination in nuclear medicine. Methods: Violated fumes from stable Iodine I-127 after heating in fume hood were exposed to starch powder and sugar to verify the starch affinity in trapping iodine reaction and compare with sugar. Then, decontaminate two areas, one by applying starch powder with alkaline and the other area was decontaminated using commercial Radio-active wash spray. Wipes were taken from both areas after each decontamination attempts and measured using well counter (Capintec, CRC-55-tW, and USA).The I-131 decontamination attempts measurements were plotted for both starch powder and Radio-active wash. Results: The starch has affinity of trapping Iodine permanently, while the sugar did not have this property. The effectiveness of starch in case of Iodine-131 contamination was assessed practically. The reduction in contamination by cleaning up using starch powder was more effective compared to the commercial Radio-active wash. Conclusion: This technical note explains the starch effect on I-131 decontamination compare to usual method which is commercial Radio-active wash. Using starch powder for trapping is an efficient and cost effective technique for decontamination of I-131.
کلیدواژه‌های انگلیسی مقاله Volatilization, Radiotoxicity, Iodate, Iodide
نویسندگان مقاله Salma Al-Khanbashi |
Nuclear Medicine and Molecular Imaging Center, Royal Hospital, Muscat, Oman

Marwa Al-Aamri |
Nuclear Medicine and Molecular Imaging Center, Royal Hospital, Muscat, Oman

Mahra Al-Farsi |
Nuclear Medicine and Molecular Imaging Center, Royal Hospital, Muscat, Oman

Ayaat Al-Abdul Sallam |
Nuclear Medicine and Molecular Imaging Center, Royal Hospital, Muscat, Oman

نشانی اینترنتی http://irjnm.tums.ac.ir/article_39954_40f887b642a4841b349b006b8434b645.pdf
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