Targeted radionuclide therapy is one of the most intensively developing directions of nuclear medicine. Unlike conventional external beam therapy, the targeted radionuclide therapy causes less collateral damage to normal tissues and allows targeted drug delivery to a clinically diagnosed neoplastic malformations, as well as metastasized cells and cellular clusters, thus providing systemic thera...

was given by the ratio of the attenuation-corrected end-diastolic count rate from the gated study to the count rate per milliliter from a blood sample. Attenuation correction was made by dividing the end-diastolic count rate by e ud, where u = the linear attenuation coefficient of water and d = the distance from the skin marker to the center of the left ventricle in the anterior view divided by...

Introduction Foodstuffs are known to contain natural and artificial radionuclides. Determination of radionuclide concentration is of great significance for the protection of human health. The main objective of the present study was the quantification of radionuclides in tea samples, cultivated in Guilan Province in North of Iran. Materials and Methods The activity concentrations of 226Ra, 232Th...

background: due to the potential public health effects of releases of uranium to the environment, isotopic determination and measurement of this radionuclide in environmental samples is very important. achieving this goal, monitoring programs for this radionuclide seems necessary to be applied in many countries. materials and methods: the uranium was separated from the water samples using anion...

Radiometals are the mainstay of both diagnostic and therapeutic nuclear medicine because the choice of radionuclide is primarily dictated by nuclear decay characteristics rather than chemistry. (99m)Tc is the most frequently used diagnostic radionuclide and requires coordination in a diversity of chemical disguises to permit imaging of a variety of tissues and disease states. Therapeutic nuclea...

Absract. The radiological impacts from radionuclide releases into Techa, and Yenisei Rivers in Russia are discussed. The dose assessments for human and natural biota are calculated using the methodology of multiple pathways of exposure. In the Mayak complex area the collective dose to the Techa River population during 19491956 was 6,200 man-Sv. The collective dose from radioactive discharges of...

Problem statement: Forest fires are especially frequent around the Mediterranean Sea basin in the summer period and might be able to release naturally-occurring and man-made radionuclides from plant biomass and inject them into the atmosphere. The impact of this radioactivity on populations was not investigated before. Approach: Radionuclide analysis was performed in plants, in smoke from plant...