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Bioanalysis. 2013 May;5(9):1099-114. doi: 10.4155/bio.13.37.

Synthesis, bioanalysis and biodistribution of photosensitizer conjugates for photodynamic therapy.

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  • 1Department of Chemistry, Columbia University, NY, USA.


Photodynamic therapy (PDT) was discovered in 1900 by Raab, and has since emerged as a promising tool for treating diseases characterized by unwanted cells or hyperproliferating tissue (e.g., cancer or infectious disease). PDT consists of the light excitation of a photosensitizer (PS) in the presence of O(2) to yield highly reactive oxygen species. In recent years, PDT has been improved by the synthesis of targeted bioconjugates between monoclonal antibodies and PS, and by investigating PS biodistribution and PD. Here, we provide a comprehensive review of major developments in PS-immunoconjugate-based PDT and the bioanalysis of these agents, with a specific emphasis on anticancer and antimicrobial PDT.

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