RINGOT, C.; SAAD, N.; BREGIER, F.; BRESSOLLIER, P.; POLI, E.; CHALEIX, V.; OUK, T. S.; SOL, V.

doi:10.1039/c8pp00212f

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Photochemical & Photobiological Sciences. 2018, vol. 17, n° 11, p. 1780-1786

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We report the preparation of a cellulose fabric bearing derivative protoporphyrin IX units covalently attached to the cellulose backbone of a fabric. Ce-(IV) redox system radical polymerization was used to polymerize methacrylic acid (MAA) onto a cotton material and to obtain cotton-g-polyMAA. Attachment of the photosensitizer, a protoporphyrin IX (PpIX) amino derivative, on cotton-g-polyMAA was realized successfully by a classical peptidic covalent link. The modified surfaces were characterized by ATR-FTIR, DRUV, TGA, and SEM methods. Under visible light irradiation, protoporphyrinic cotton showed antibacterial activity against Staphyloccoccus aureus. This concept is very promising in the field of bacterial decontamination (sterile area, hospital equipment, etc.).< Réduire

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Antibacterial activity of a photosensitive hybrid cellulose fabric

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