Abstract
Positron Emission Tomography (PET) has emerged as a powerful imaging technique in molecular medicine, enabling the non-invasive visualisation and quantification of biological processes at the molecular level. Antibody-based PET imaging has recently gained prominence, offering specific targeting capabilities for various diseases. This scientific article delves into the intricate chemistry underlying antibody conjugation strategies for PET, providing a comprehensive understanding of the key principles and advancements in this rapidly evolving field. The article begins with a detailed exploration of various antibody conjugation methodologies, encompassing both covalent and non-covalent approaches. The chemical intricacies of bioconjugation reactions, such as amine and thiol chemistry, click chemistry, and bioorthogonal chemistry, are thoroughly discussed in the context of antibody modification. Additionally, the article critically analyses recent advancements in radiolabeling strategies for PET, including using radionuclides with favourable decay characteristics. This discussion covers both traditional radioisotopes and emerging alternatives, demonstrating their potential to raise the effectiveness of PET imaging agents based on antibodies. Ultimately, this article aims to contribute to the ongoing efforts to advance the field toward more effective diagnostic tools for personalized medicine.
Published Version
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