Nanoformulation of Lipophilic Osmium Photosensitizers in Liposomes and Micelles as a General Strategy for Improving Reproducibility and Reducing Quenching† |
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Authors: | Elizabeth T Papish |
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Institution: | Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL |
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Abstract: | Nanoformulation of an osmium photosensitizer within liposomes and micelles is used to improve the water-solubility of this highly lipophilic molecule. This highlight report describes a recent paper by Cameron, Obaid and McFarland on this topic and discusses the context for this report. Nanoformulation has been explored as a strategy before, but this represents the first usage of this strategy with highly potent metal-based photosensitizers having phototherapeutic indices (PIs) in excess of 104. The nanoformulation strategy is effective due to reducing aggregation and self-quenching of the photosensitizer molecules. |
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