Photodynamic Inactivation of Microorganisms Using Semisynthetic Chlorophyll a Derivatives as Photosensitizers

In this study, we describe the semisynthesis of cost-effective photosensitizers (PSs) derived from chlorophyll a containing different substituents and using previously described methods from the literature. We compared their structures when used in photodynamic inactivation (PDI) against Staphylococ...

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Veröffentlicht in:Molecules (Basel, Switzerland) Switzerland), 2022-09, Vol.27 (18), p.5769
Hauptverfasser: Uliana, Marciana Pierina, da Cruz Rodrigues, Andréia, Ono, Bruno Andrade, Pratavieira, Sebastião, de Oliveira, Kleber Thiago, Kurachi, Cristina
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Sprache:eng
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Zusammenfassung:In this study, we describe the semisynthesis of cost-effective photosensitizers (PSs) derived from chlorophyll a containing different substituents and using previously described methods from the literature. We compared their structures when used in photodynamic inactivation (PDI) against Staphylococcus aureus, Escherichia coli, and Candida albicans under different conditions. The PSs containing carboxylic acids and butyl groups were highly effective against S. aureus and C. albicans following our PDI protocol. Overall, our results indicate that these nature-inspired PSs are a promising alternative to selectively inactivate microorganisms using PDI.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27185769