نتایج جستجو برای: radionuclide
تعداد نتایج: 44915 فیلتر نتایج به سال:
As part of a regional baseline study, the distribution naturally occurring radioactive materials in marine fish diversity consumed by different age group representatives living Kalpakkam coastal zone was studied. The average activity natural radionuclide 238U, 232Th, and 40K (n = 40) 28.51, 239.58, 118.95 Bq kg-1, respectively. annual dose ingestion, lifetime carcinogenic risk assessment cancer...
Evaluation of gastric emptying rate using nuclear scintigraphy as the gold standard method has been studied in various animals, but there is no report in suckling lambs. The aim of this study was to develop a nuclear scintigraphic method to visualize and measure abomasal emptying rate by estimation of scintigraphic half emptying time (T1/2) in the live neonatal lamb. Five healthy, female Irania...
Regulations and guidelines for radionuclide waste disposal require detailed information about the characteristics of radioactive waste drums prior to transport to the disposal sites. So it is important to know the accurate radionuclide inventory of radioactive waste. However, estimation of radionuclide concentrations in the drummed radioactive waste is difficult and unreliable. In order to over...
OBJECTIVE To examine how exercise testing on background medical treatment affects the ability of the test to predict prognostically important patterns of coronary anatomy in patients with a high clinical probability of coronary artery disease but who are well controlled on medication. DESIGN Prospective study. SETTING Regional cardiothoracic centre and referring district general hospital. ...
UNLABELLED Renal toxicity associated with small-molecule radionuclide therapy has been shown to be dose-limiting for many clinical studies. Strategies for maximizing dose to the target tissues while sparing normal critical organs based on absorbed dose and biologic response parameters are commonly used in external-beam therapy. However, radiopharmaceuticals passing though the kidneys result in ...
The interest around small-animal cardiac radionuclide imaging is growing as rodent models can be manipulated to allow the simulation of human diseases. In addition to new radiopharmaceuticals testing, often researchers apply well-established probes to animal models, to follow the evolution of the target disease. This reverse translation of standard radiopharmaceuticals to rodent models is compl...
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