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Rapid quality control of 99Tcm-sestamibi. 1992

R M Reilly, and M So, and J Polihronis, and S Houle
Division of Nuclear Medicine, Toronto Hospital, Ontario, Canada.

The thin layer chromatographic (TLC) method for determining the radiochemical purity of 99Tcm-sestamibi suggested by the manufacturer of the kit is slow and inconvenient. In this study a more rapid reversed phase chromatography (Sep-Pak) technique is compared with the TLC method for measurement of the radiochemical purity of 99Tcm-sestamibi. The levels of free 99Tcm-pertechnetate in 99Tcm-sestamibi were accurately determined using the Sep-Pak technique. However, due to binding of variable amounts of reduced-hydrolysed unbound 99Tcm to the chromatography cartridge, the Sep-Pak method overestimated the radiochemical purity of the radiopharmaceutical by approximately 3%. In practice, this overestimation is not important and the Sep-Pak technique can be used as a rapid method of determining radiochemical purity of 99Tcm-sestamibi.

UI MeSH Term Description Entries
D011786 Quality Control A system for verifying and maintaining a desired level of quality in a product or process by careful planning, use of proper equipment, continued inspection, and corrective action as required. (Random House Unabridged Dictionary, 2d ed) Control, Quality,Controls, Quality,Quality Controls
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D017256 Technetium Tc 99m Sestamibi A technetium imaging agent used to reveal blood-starved cardiac tissue during a heart attack. 99mTc-Hexamibi,99mTc-Sestamibi,Tc MIBI,Cardiolite,Tc-99m-Methoxy-2-isobutylisonitrile,Technetium Tc 99m 2-Methoxy-2-methylpropylisonitrile,Technetium Tc 99m Sestamibi Chloride,Technetium-99m-Hexamibi,Technetium-99m-Sestamibi,99mTc Hexamibi,99mTc Sestamibi,Tc 99m Methoxy 2 isobutylisonitrile,Technetium 99m Hexamibi,Technetium 99m Sestamibi,Technetium Tc 99m 2 Methoxy 2 methylpropylisonitrile

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