نتایج جستجو برای: radiopharmaceutical preparation
تعداد نتایج: 176825 فیلتر نتایج به سال:
Molecular in vivo imaging with the high-resolution and sensitive positron emission tomography (PET) technique requires the preparation of a positron-emitting radiolabeled probe or radiotracer. For this purpose, fluorine-18 is becoming increasingly the radionuclide of choice due to its adequate physical and nuclear characteristics, and also because of the successful use in clinical oncology of 2...
beta-emitting 166Ho (t1/2 = 26.78 hours, E(beta)max = 1.8 MeV) complexed with the phosphonic acid chelator, 1,4,7,10 tetraazacyclododecane-1,4,7,10-tetra(methylene phosphonic acid) (DOTMP) at a ligand-to-metal ratio of 1.5:1 binds to bone. This radioactive complex is a marrow-ablating radiopharmaceutical that appears useful for preparation of bone marrow (BM) transplant recipients without the m...
Strontium-89 is one of the most important radioisotopes used in nuclear medicine for therapy of bone pain caused by bone metastases. That is due to the beta radiation with sufficient energy for destroying metastatic sites in bone tissue. The routine application is ensured by introducing 89SrCl2 radiopharmaceutical and then inject...
This study aimed to prepare a novel radiopharmaceutical for the detection of brain disorders at early stages in susceptible patients.Promazine hydrochloride was labeled with 125I by direct electrophilic substitution reaction high labeling yields 92.6 ± 3.24 %. The yield and vitro stability 125I-promazine were determined paper electrophoresis, chromatography (PC) High performance liquid (HPLC). ...
This paper reviews the preparation and application of radioactive microspheres for medical purposes. It first discusses the properties of relevant radioisotopes and then explores the diagnostic uses of gammaemitter labeled microspheres, such as blood flow measurement and imaging of the liver and other organs. The therapeutic uses of alphaand beta-emitting microspheres, such as radioembolization...
Objective: This study was performed to assess the sterility of multidose 99mTc generator eluate vials at the end of a working day. Methods: Expired 99mTc generator eluate vials were collected over a period of 10 wk and stored until the activity reached background. Four batches of 10 vials each were selected randomly and sent to an independent microbiology laboratory for sterility testing. Resul...
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