## Abstract Although radiolytic decomposition of several radiopharmaceuticals has exhibited apparent first‐order kinetics, the dependence of decomposition on drug concentration precludes a first‐order rate process. A kinetic study of the decomposition of ^131^I‐o‐iodohippurate in aqueous solution w
Kinetics of131I-o-Iodohippurate in rats
✍ Scribed by Tomáš Trnovec; Mária Gregušková; Štefan Bezek; Vasil Koprda
- Book ID
- 104682465
- Publisher
- Springer
- Year
- 1978
- Tongue
- English
- Weight
- 245 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0340-6997
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✦ Synopsis
The organ distribution of 131I-o-iodohippurate (OIH) was studied in rats in the time interval of 1--1440 min. The mean decrease of OIH in plasma was fitted with a function composed of three exponential terms. A three-compartment model describing kinetics of OIH in rats was suggested and its parameters were computed. Comparison of organ and plasma concentrations of OIH showed that the liver, up to 30 min, and the heart and lungs, up to 15 min after administration, form with plasma a common central compartment.
📜 SIMILAR VOLUMES
To prevent the autoradiolysis damage in sodium o-iodohippurate-1311 preparations, various conditions of storage have been tested: storage in isotonic solution frozen at dry ice temperature, and in freeze-dried state. A preparation which was stable ,for the guarantee period of about 1 month was obtai