نتایج جستجو برای: radioactive 90sr
تعداد نتایج: 21292 فیلتر نتایج به سال:
introduction: high-dose radioactive iodine therapy in differentiated thyroid cancer (dtc) may adversely affect the salivary gland function. this study is aimed to evaluate the effect of radioactive iodine (rai) with dose of 100 mci in dtc patients compared to lower doses of less than 30 mci in hyperthyroid cases. methods: fifty four patients (13 men and 41 women) age: 42.3±14.3 (21-71) years w...
contamination with radiopharmaceuticals in nuclear medicine centers in addition to being a health concern requires time-consuming decontamination efforts. according to nrc (nuclear regulatory commission) contamination should be monitored in nuclear medicine centers where radiopharmaceuticals are prepared and administrated at the end of each working session; otherwise, contamination spread to ot...
Dose distributions throughout the eye, from three types of beta-ray ophthalmic applicators, were calculated using the EGS4, ACCEPT 3.0, and other Monte Carlo codes. The applicators were those for which doses were measured in a recent international intercomparison [Med. Phys. 28, 1373 (2001)], planar applicators of 106Ru-106Rh and 90Sr-90Y and a concave 106Ru-106Rh applicator. The main purpose w...
This study summarizes the 20-year efforts for dose reconstruction in tooth enamel of the Techa riverside residents exposed to ionizing radiation as a result of radionuclide releases into the river in 1949-1956. It represents the first combined analysis of all the data available on EPR dosimetry with teeth of permanent residents of the Techa riverside territory. Results of electron paramagnetic ...
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