The present invention relates to improved 18F-labelled aldehyde compositions, wherein impurities which affect imaging in vivo are identified and suppressed. Also provided are methods of preparation of radiofluorinated biological targeting molecules using said improved compositions, together with radiopharmaceutical compositions. The invention also includes methods of imaging and/or diagnosis using the radiopharmaceutical compositions described.
本发明涉及改进的18F标记的
醛类组合物,其中影响体内成像的杂质被识别并抑制。还提供了使用这些改进组合物制备放射性
氟化
生物靶向分子的方法,以及放射性药物组合物。该发明还包括使用所述放射性药物组合物进行成像和/或诊断的方法。