Journal
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES
Volume 15, Issue 7-8, Pages 718-726Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1088424611003690
Keywords
phthalocyanine; heterogeneous sensitizer; singlet oxygen; bacteria photoinactivation
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Funding
- Moscow City Government
- Russian Foundation for Basic research [10-03-00444a, 10-03-00750a]
- Russian Academy of Science
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New heterogeneous photosensitizers were synthesized, in which phthalocyanines of zinc and aluminum, tetrasubstituted at non-peripheral positions with modified thiophenyl groups, were grafted to aminopropyl silica gel. The absorption and fluorescence spectra, and the quantum yields of fluorescence and photosensitized singlet oxygen generation were estimated for aqueous suspensions of these sensitizers. It is shown that upon photoexcitation, silica gel-bound phthalocyanines produce singlet oxygen and display photobactericidal activity against bacteria E. coli.
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