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A Study of Labeling Conditions of Derivatives of (2RS, 4R)-1,3-Carboxylic Acid with Technetium-99m
STUDIUM PODMÍNEK ZNAČENÍ DERIVÁTŮ KYSELINY (2RS, 4R)-1,3-TIAZOLIDÍN-4-KARBOXYLOVÉ TECHNECIEM-99m
V práci je popsána příprava komplexů 99m Tc s dvaceti derivátykyseliny (2RS, 4R)-1,3-tiazolidín - -4-karboxylové v širokém rozsahu pH (1,5–8,9) propotenciální použití v radiodiagnostické medicíně. Účinnost značení bylakontrolována chromatografií na papíře a tenké vrstvě a pro všechny dobře rozpustnésloučeniny je vyšší než 90 %. Elektroforéza na papíře a gelová chromatografieindikovala přítomnost dvou typů komplexů lišících se nábojem a molekulovouhmotností. Struktura obou typů 99m Tc-komplexů je taktéž diskutována. Orgánovádistribuce a jejich časová závislost byly sledovány u myší po i.v. aplikaci.
Klíčová slova:
radiodiagnostika – 99m Tc komplexy – deriváty kyseliny tiazolidín-4-karboxylovej
Authors: A. Bumbálová; Emil Havránek
; J. Ja’afreh; V. Kettmann; J. Světlík; O. Štroffeková
Authors‘ workplace: Katedra farmaceutickej analýzy a nukleárnej farmácie Farmaceutickej fakulty Univerzity Komenského, Bratislava
Published in: Čes. slov. Farm., 1999; , 21-26
Category:
Overview
The preparation of 99m Tc-complexes with twenty derivatives of (2RS,4R)-1,3-thiazolidin-4-carboxy - lic acid over a broad pH range (1.5–8.9) is described fora potential use in radiodiagnostic medicine. The labelling efficiency was checked by paperand thin layer chromatography and for all well-soluble compounds is higher than 90 %.Paper electrophoresis and gel chromatography indicated the presence of two types ofcomplexes differing in charge and molecular mass. The structure of both types of the 99mTc-complexes is also discussed. The organ distribution and its time dependence weredetermined in mice after i.v. application.
Key words:
radiodiagnostics – 99m Tc-complexes – derivatives ofthiazolidin-4-carboxylic acid
Labels
Pharmacy Clinical pharmacology
Article was published inCzech and Slovak Pharmacy
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