A study of the microbial degradation of metal phthalocyanine textile dyes by high-performance liquid chromatography and atomic absorption

A Conneely, Franklin Smyth, Geoffrey McMullan

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    The investigation of the degradation of two commercially available dyes (Remazol Turquoise Blue and Everzol Turquoise Blue) by the lignin-degrading fungus Phanerochaete chrysosporium and comparison with that of a phthalocyanine whose structure is known (Heligon Blue) are presented. Atomic absorption showed a large release of copper from the biomass at day 7. Polarography served to speciate the copper present in the supernatant. Day 5 sees the complete disappearance of the main dye peak with the release of free copper into the supernatant. Day 7 sees a large increase in the free copper signal with two other electroactive species also present in the supernatant, all of which are seen to decrease at day 8. Visible spectroscopy shows that the main decolourization takes place between day 4 and day 6, with complete decolourization occurring at day 7. HPLC analysis again confirms the above results, with possible degradation products detected at 254 nm occurring at 3.621 and 4.170 min at day 7 which may well correlate with those found in polarographic analysis at -1050 and -1150 mV. Day 7 also sees a large increase in a peak at 2.744 min. Copyright (C) 1999 John Wiley & Sons, Ltd.
    LanguageEnglish
    Pages552-559
    JournalJournal of Porphyrins and Phthalocyanines
    Volume3
    Issue number6-7
    Publication statusPublished - Aug 1999

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    High performance liquid chromatography
    Copper
    Textiles
    Coloring Agents
    Metals
    Polarographic analysis
    Degradation
    Lignin
    Fungi
    Biomass
    Spectroscopy
    phthalocyanine
    reactive blue 15

    Cite this

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    title = "A study of the microbial degradation of metal phthalocyanine textile dyes by high-performance liquid chromatography and atomic absorption",
    abstract = "The investigation of the degradation of two commercially available dyes (Remazol Turquoise Blue and Everzol Turquoise Blue) by the lignin-degrading fungus Phanerochaete chrysosporium and comparison with that of a phthalocyanine whose structure is known (Heligon Blue) are presented. Atomic absorption showed a large release of copper from the biomass at day 7. Polarography served to speciate the copper present in the supernatant. Day 5 sees the complete disappearance of the main dye peak with the release of free copper into the supernatant. Day 7 sees a large increase in the free copper signal with two other electroactive species also present in the supernatant, all of which are seen to decrease at day 8. Visible spectroscopy shows that the main decolourization takes place between day 4 and day 6, with complete decolourization occurring at day 7. HPLC analysis again confirms the above results, with possible degradation products detected at 254 nm occurring at 3.621 and 4.170 min at day 7 which may well correlate with those found in polarographic analysis at -1050 and -1150 mV. Day 7 also sees a large increase in a peak at 2.744 min. Copyright (C) 1999 John Wiley & Sons, Ltd.",
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    language = "English",
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    journal = "Journal of Porphyrins and Phthalocyanines",
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    A study of the microbial degradation of metal phthalocyanine textile dyes by high-performance liquid chromatography and atomic absorption. / Conneely, A; Smyth, Franklin; McMullan, Geoffrey.

    In: Journal of Porphyrins and Phthalocyanines, Vol. 3, No. 6-7, 08.1999, p. 552-559.

    Research output: Contribution to journalArticle

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    AB - The investigation of the degradation of two commercially available dyes (Remazol Turquoise Blue and Everzol Turquoise Blue) by the lignin-degrading fungus Phanerochaete chrysosporium and comparison with that of a phthalocyanine whose structure is known (Heligon Blue) are presented. Atomic absorption showed a large release of copper from the biomass at day 7. Polarography served to speciate the copper present in the supernatant. Day 5 sees the complete disappearance of the main dye peak with the release of free copper into the supernatant. Day 7 sees a large increase in the free copper signal with two other electroactive species also present in the supernatant, all of which are seen to decrease at day 8. Visible spectroscopy shows that the main decolourization takes place between day 4 and day 6, with complete decolourization occurring at day 7. HPLC analysis again confirms the above results, with possible degradation products detected at 254 nm occurring at 3.621 and 4.170 min at day 7 which may well correlate with those found in polarographic analysis at -1050 and -1150 mV. Day 7 also sees a large increase in a peak at 2.744 min. Copyright (C) 1999 John Wiley & Sons, Ltd.

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