Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 22, Issue 19, Pages 6477-6481Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201600536
Keywords
intrinsic photosensitizer; nanospheres; peptides; photodynamic therapy; singlet oxygen
Categories
Funding
- National Nature Science Foundation of China [21320102004, 21433010, 21273250, 21303219, 21321063, 21503236]
- National Basic Research Program of China [2013CB932802]
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Monodispersed diphenylalanine-based nanospheres with excellent biocompatibility are fabricated through a facile covalent reaction-induced assembly. Interestingly, the nanospheres exhibit red autofluorescence. Most importantly, such assembled dipeptide nanospheres can serve as intrinsic photosensitizer to convert O-2 to singlet oxygen (O-1(2)). Thus, photodynamic therapy in vitro can be achieved effectively. The versatile strategy could be extended to other biomolecules containing a primary amine group for the fabrication of potential intrinsic photosensitizers.
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