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Hypericin Hydroquinone: Potential as a Red-Far Red Photosensitizer?

Authors

  • Theodossis A. Theodossiou,

    Corresponding author
    1. Institute of Physical Chemistry, NCSR Demokritos, Patriarchou Gregoriou & Neapoleos, Attiki, Greece
      *Corresponding author email: theo@chem.demokritos.gr, t.theodossiou@gmail.com (Theodossis A. Theodossiou)
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  • Dimitris Tsiourvas,

    1. Institute of Physical Chemistry, NCSR Demokritos, Patriarchou Gregoriou & Neapoleos, Attiki, Greece
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  • John S. Hothersall

    1. Centre for Cardiovascular Biology and Medicine, BHF Laboratories, University College London, London, UK
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*Corresponding author email: theo@chem.demokritos.gr, t.theodossiou@gmail.com (Theodossis A. Theodossiou)

Abstract

Hypericin hydroquinone is the product of two-electron reduction of hypericin (quinone), a potent phenanthroperylenequinone photosensitizer. In contrast to the quinone, the hydroquinone exhibits strong absorbance in the far-red spectral region. Herein we provide initial evidence on the potential of hypericin hydroquinone as a far-red photosensitizer.

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