-
Article
Studies of the Pharmacokinetics of Actinium-255-Labeled Bisphosphonate in Intact Mice
The pharmacokinetics of 225Ac-labeled hydroxyethylenediphosphoric acid monopotassium salt (225Ac-KHEDP) and 225AcCl3 were studied in intact mice after intravenous administration. The results obtained here showed ...
-
Article
Pharmacokinetics of 188Re-labeled pentaphosphonic acid in rats with experimental bone callosity
The influence of modeled femur callosity on the biodistribution of 188Re-labeled pentaphosphonic acid (188Re-PPA) in rats was studied. The radiopharmaceutical was injected into a tail vein 14 d after fracture. It...
-
Article
Evaluation of the influence of preparation conditions on pharmacokinetics of bone-seeking radiopharmaceutical 188Re-labeled hydroxyethylidenediphosphonic acid monopotassium salt in rats
The in vivo biodistributions of the monopotassium salt of hydroxyethylidenediphosphonate labeled with 188Re (188Re-KHEDP) were studied in rats for drug batches prepared with and without Re carrier. Also, the phar...
-
Article
Pharmacokinetics of a new radiopharmaceutical based on alubmin microspheres and palladium-103 and modified by heat and radiation
The pharmacokinetics of albumin microspheres (AMS) labeled with 103Pd (103Pd-AMS) were studied in healthy mice after intramuscular injections. It was established that increasing the denaturation temperature of al...
-
Article
Comparative analysis of pharmacokinetic characteristics of radiopharmaceuticals based on the monopotassium salt of 1-hydroxyethylidenediphosphonic acid labeled by 99mT9c and 188Re
Investigation of pharmacokinetic characteristics of the 99mTc- and 188Re-labeled monopotassium salt of 1-hydroxyethylidenediphosphonic acid (KHEDP) in rats showed that the level of accumulated activity at 5 min a...
-
Article
Development of a procedure for preparing 103Pd-microspheres of human blood albumin, a potential radiopharmaceutical for treatment of malignant tumors
Sorption of Pd by albumin microspheres (AMSs) largely depends on the HCl concentration, reaching a maximum at an HCl concentration of 0.08 M. Sorption of Pd grows with an increase in its equilibrium concentrat...
-
Article
Regular trends in complexation of 188Re with human blood albumin microspheres
A study of regular trends in the complexation of 188Re with denatured albumin in microspheres (AMSs) prepared by dispersing a solution of human blood albumin in olive oil with continuous stirring and heating to 1...
-
Article
Osteotropic radiopharmaceuticals based on phosphonic acids for the treatment of bone metastases in humans (review)
This review describes the advantages and disadvantages of radionuclides used in the development of radiopharmaceuticals for radionuclide therapy. Comparison of the characteristics of various radionuclides lead...
-
Article
Effects of 60Co whole-body γ-irradiation in different doses on the distribution of 188Re-labeled autologous mesenchymal stem cells in Wistar rats after intravenous (systemic) transplantation during different periods after exposure
The effects of whole-body γ-irradiation in different doses on the distribution of 188Re-labeled mesenchymal stem cells obtained by culturing of the rat bone marrow cells were studied in different organs and tissu...
-
Article
Influence of reactant concentrations and solution acidity on the complexation of 188Re with 1-hydroxyethane-1,1-diphosphonic acid
Specific features of the complexation of 188Re with 1-hydroxyethane-1,1-diphosphonic acid (HEDP) were studied in relation to the solution acidity and reactant concentrations. The reaction rate and efficiency of t...
-
Article
Distribution of sodium perrenate in intact mice
The distribution of sodium perrenate (Na188ReO4) in the organism of intact mice has been studied. It is shown that the behavior of Na188ReO4 in the organism depends on the method of administration. In particular,...
-
Article
Immunoglobulin: DNA cofactor interaction
The reasons for the appearance of DNA-binding activity of immunoglobulins (Ig) after chromatography on anion-exchange Sephadexes were studied. Elution of Ig from these Sephadexes with 0.5 M NaCl was found, usi...
-
Article
Influence of Sn2+ concentration on complexation of 99m Tc with potassium sodium hydroxyethylidenediphosphonate
Kinetics of formation of a 99m Tc complex with potassium sodium hydroxyethylidenediphosphonate (KNaHEDP) was studied. Since the Tc reduction competes with the Tc reoxidation at low Sn2+/Sn4+ conce...
-
Article
Influence of the rhenium carrier in eluate of Re-188 on its binding with potassium-sodium salt of hydroxyethylidene biphosphonic acid
The results of investigation of the regularity of 188Re binding with KNaHEDP and hydrolysis of the complex compound (188Re-KNaHEDP) have shown that its quality depends to a considerable extent on the reaction con...
-
Article
Influence of the rhenium carrier in eluate of Re-188 on its binding with potassium-sodium salt of hydroxyethylidene biphosphonic acid
The results of investigation of the regularity of 188Re binding with KNaHEDP and hydrolysis of the complex compound (188Re-KNaHEDP) have shown that its quality depends to a considerable extent on the reaction con...
-
Article
Neutron Activation Preparation of 166Ho-Albumin Microspheres as a Promising Radiopharmaceutical for Tumor Therapy
A procedure of activation with thermal neutrons of 165Ho incorporated in the particle matrix was developed for preparing human blood albumin microspheres (AMs) labeled with 166Ho. Since the specific activity of 1...
-
Article
Monitoring of Radionuclide Impurities in 166Ho-Albumin Microspheres Prepared by Neutron Activation with Thermal Neutrons
Analysis of radionuclide impurities in 166Ho-albumin microspheres prepared by activation with thermal neutrons of 165Ho preliminarily incorporated in the particle matrix was performed. The content of impurities i...
-
Article
Production of [57Co]bleomycetin and study of its kinetics in the bodies of intact animals and tumor-bearing animals
-
Article
Pharmacokinetics of [99mTc]acetylmethionine in the organism of tumor-bearing animals
-
Article
Preparation of N-C4-[125I]pyrazolylmethyltetracycline and study of its behavior in the organism of intact and tumor-bearing animals