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Creators/Authors contains: "Chettri, Avinash"

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  1. ; ; ; ; ; ; ; (, The Journal of Physical Chemistry A)
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  2. ; ; ; ; ; ; (, The Journal of Physical Chemistry A)
    null (Ed.)
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  3. ; ; ; ; ; ; (, Angewandte Chemie International Edition)
    Abstract This study employs TLD1433, a RuII‐based photodynamic therapy (PDT) agent in human clinical trials, as a benchmark to establish protocols for studying the excited‐state dynamics of photosensitizers (PSs)in cellulo, in the local environment provided by human cancer cells. Very little is known about the excited‐state properties of any PS in live cells, and for TLD1433, it isterra incognita. This contribution targets a general problem in phototherapy, which is how to interrogate the light‐triggered, function‐determining processes of the PSs in the relevant biological environment, and establishes methodological advances to study the ultrafast photoinduced processes for TLD1433 when taken up by MCF7 cells. We generalize the methodological developments and results in terms of molecular physics by applying them to TLD1433’s analogue TLD1633, making this study a benchmark to investigate the excited‐state dynamics of phototoxic compounds in the complex biological environment. 
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