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We report a new class of photosensitizer drug networks that can home into mitochondria and provide geospatial phototoxicity for tumors. We take advantage of the cleavable chemical network between the photosensitizer drug and poly(ethylene glycol), and find a significant increase in the efficiency of the multimeric drug network in mitochondria uptake and tumor inhibition.

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Bringing it all together: Synthesis of a dimeric micelle (see scheme) is shown to produce specifically linked Janus-like micelles. The reaction conditions for dimeric micelle formation were optimized and the resulting micelles characterized. Trimeric, tetrameric, and multimeric micelles were also synthesized using the same technique.

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