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Assessment of encapsulated dyes' distribution in silica nanoparticles and their ability to release useful singlet
Vladimir Kabanov1, David J Press, Racheal P S Huynh
1Department of Chemistry, University of Calgary, Calgary, AB T2N 1N4, Canada. bjmheyne@ucalgary.ca.
Chemical Communications (Cambridge, England)
|June 2, 2018
Abstract:
Working with silica nanoparticle encapsulated BODIPY and xanthene photosensitizers, we have determined that singlet oxygen spends up to 78% of its lifetime inside the nanocarriers. Our systematic investigation indicates that hydrophobicity rules the photosensitizer distribution in nanoparticles, which in turn dictates the ability of these structures to release singlet oxygen.