| abstract |
The present invention relates to improved radiotracer imaging agent compositions, which comprises 18 F-labelled biological targeting moieties, wherein impurities which affect imaging in vivo are identified and suppressed. Also provided are radiopharmaceuticals comprising said improved compositions, together with radiofluorinated aldehyde compositions useful in preparing said radiotracer compositions. The invention also includes methods of imaging and/or diagnosis using the radiopharmaceutical compositions described. |