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Stability of L-[S-methyl-11C]methionine solutions

✍ Scribed by A. Bogni; E. Bombardieri; R. Iwata; L. Cadini; C. Pascali


Book ID
111537798
Publisher
Springer
Year
2003
Tongue
English
Weight
82 KB
Volume
256
Category
Article
ISSN
1588-2780

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πŸ“œ SIMILAR VOLUMES


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On-line ["Clmethylation using ["Clmethyl iodide has been successfully applied to the preparation of L-[methyl-"Clmethionine ("C-Met). ["C]Methyl iodide is first trapped in a short column that contains Porapak Q and L-homocysteine thiolactone coated on inert support. The column is then charged with N

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The routine measurement of L-[methyl-11C]methionine in human plasma after i.v. injection of the tracer is described. The protein-free plasma metabolites of the tracer were analyzed using a cation-exchange column (Aminex A-6) eluted with a pH 4.25 citrate buffer. The ratios of L-[methyl-11C]methionin

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Four patients with radiologically normal pituitary gland were examined with positron emission tomography after the administration of (meth-ylJ1C)-L-methionine. On a following day the examination was repeated with (methyl-lOC)-D-methionine. The accumulation rate of L-methionine in the pituitary was m