Controlled generation of singlet oxygen by a water-soluble meso-pyrenylporphyrin photosensitizer through interaction with DNAThis article is part of the ChemComm 'Porphyrins and phthalocyanines' web themed issue.Electronic supplementary information (ESI) available: Synthesis and characterization of PyTMPyP, experimental details of the near-infrared emission spectra measurement and its time profile measurement. See DOI: 10.1039/c2cc30880k

An electron donor-connecting water-soluble porphyrin, meso -(1-pyrenyl)-tris( N -methyl- p -pyridinio)porphyrin, did not demonstrate singlet oxygen generating activity under photo-irradiation. The interaction with DNA successfully recovered the photosensitized singlet oxygen generation by this porph...

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Main Authors: Hirakawa, Kazutaka, Harada, Mari, Okazaki, Shigetoshi, Nosaka, Yoshio
Format: Article
Language:English
Online Access:Get full text
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Summary:An electron donor-connecting water-soluble porphyrin, meso -(1-pyrenyl)-tris( N -methyl- p -pyridinio)porphyrin, did not demonstrate singlet oxygen generating activity under photo-irradiation. The interaction with DNA successfully recovered the photosensitized singlet oxygen generation by this porphyrin. The activity of singlet oxygen generation photosensitized by an electron donor-connecting water-soluble porphyrin can be controlled through interaction with DNA.
ISSN:1359-7345
1364-548X
DOI:10.1039/c2cc30880k