Metabolites from the biodegradation of triphenylmethane dyes by Trametes versicolor or laccase

Casas, N.; Parella, Teodor; Vicent, Teresa; Caminal, Glòria; Sarrà, Montserrat

doi:10.1016/j.chemosphere.2009.02.029

Cited by 76 publications

(39 citation statements)

References 28 publications

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“…6 it can be seen that the membrane was able to decolorize the methyl violet with 85% decolorization and malachite green with 95% decolorization in 3 h. At the end of the process the membrane color was white (data not shown). Previous reports had showed that laccase can be used to decolorize the methyl violet (Zilly et al 2002) and the malachite green (Casas et al 2009), and the membrane color did not change, indicating that the dyes was decolorized by the laccase immobilized on the membrane and also the functional membrane might be used in some other areas such as biosensor, biotransformation, and bio-fuel cells.…”

Section: Decolorization By the Membranementioning

confidence: 99%

Bioremediation of Dyes Using Ultrafine Membrane Prepared from the Waste Culture of Ganoderma lucidum with in-situ Immobilization of Laccase

Li¹,

Wang²,

Lv³

et al. 2016

BioResources

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A one-step method for laccase production and immobilization using the waste culture of Ganoderma lucidum (G. lucidum) was developed, and the laccase was immobilized by the mycelium, which was in the form of a white membrane consisting of superfine fibers. This medical and edible membrane was characterized by scanning electron microscope (SEM), and the fiber diameter was found to be between 1 and 3 μm, with a porous structure formed in the membrane. Fourier transform infrared spectroscopy (FT-IR) and thermogravimetric analysis (TGA) showed that the membrane contained polysaccharide groups and had good thermal resistivity. The membrane was used for the decolorization of methyl violet and malachite green, while the MTT test showed that the membrane had good biocompatibility. The experimental results indicated that the membrane might be applicable for other environmental protection applications in the future.

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Section: Decolorization By the Membranementioning

confidence: 99%

Bioremediation of Dyes Using Ultrafine Membrane Prepared from the Waste Culture of Ganoderma lucidum with in-situ Immobilization of Laccase

Li¹,

Wang²,

Lv³

et al. 2016

BioResources

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“…Dessa forma, corantes que atingem maiores níveis de descoloração podem auxiliar na remoção de cor dos que apresentam maior resistência nesse processo (Munari et al, 2008;Forss & Welander, 2011). De acordo com Casas et al (2009), corantes pertencentes à classe trifenilmetano são utilizados em muitos processos de tingimento e apresentam alta toxicidade, sendo prejudiciais à saúde humana, animal e ambiental. Como exemplo, o corante Malachite Green pode causar irritação quando em contato com a pele e gerar lesões oculares; Crystal Violet é tóxico para células de mamíferos e, também, um agente mutagênico.…”

Section: Introductionunclassified

APLICAÇÃO DE MEDIADORES REDOX NA DESCOLORAÇÃO DE CORANTES UTILIZANDO CALDO ENZIMÁTIDO BRUTO DE Pleurotus sajor-caju PS-2001

Bettin¹,

Cousseau²,

Martins³

et al. 2015

Anais Do XX Congresso Brasileiro De Engenharia Química

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RESUMO -Corantes são estáveis à luz, à temperatura e ao ataque microbiano, representando compostos recalcitrantes. Na presença de mediadores, alguns corantes resistentes à descoloração podem alcançar níveis relevantes de remoção de cor. Diante disso, neste estudo, avaliou-se o efeito da adição de diferentes mediadores sobre a descoloração de 22 corantes pertencentes aos grupos cromóforos antraquinona, azo e trifenilmetano, utilizando lacases produzidas por Pleurotus sajor-caju PS-2001 em processo submerso. As misturas aquosas contendo solução de corante, mediador e caldo enzimático com 30 U.mL -1 de lacases foram mantidas a 35 o C durante 168 horas. De uma forma geral, os percentuais de descoloração obtidos com 2,2′-azino-bis(ácido 3-etilbenzotiazolina-6-sulfônico) sal diamônio (ABTS) como mediador foram inferiores ao controle para treze corantes testados; os melhores resultados foram obtidos com os mediadores hidroxibenzotriazol (HBT) e siringaldazina (SYR). Os corantes trifenilmetano Brilliant Green (65%), Malachite Green (64%) e Bromocresol Green (37%) mostraram os maiores percentuais de descoloração para esta classe. Resultados satisfatórios também foram obtidos com os corantes antraquinona Reactive Blue 220 (48%), Acid Green 28 (46%) e Remazol Brilliant Blue R (37%), assim como para os azo-corantes Levafix Brilliant Red E-4BA (38%), Disperse Blue 79 (37%) e Disperse Orange 30 (33%), com percentuais de descoloração superiores aos controles, preparados na ausência de mediadores.

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“…Subsequently, extracellular enzymes such as Laccase and MnP, among others, could modify the dyes. This transformation involves chemical alteration of the chromophore groups, which act as potential electron donors, generating changes in the absorption spectrum of both dyes (Casas et al, 2009). …”

Section: Removal Experiments For Viable and Non-viable Biomass Decolomentioning

confidence: 99%

Partial removal and detoxification of Malachite Green and Crystal Violet from laboratory artificially contaminated water by Pleurotus ostreatus

et al. 2016

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The triphenylmethane Malachite Green (MG) and Crystal Violet (CV) dyes are cationic dyes and mix with domestic wastewater when dumped; increasing, among others, the chemical and biological oxygen demand and can cause acute toxicity at different trophic levels. Promoting the removal (decolorization) of MG and CV, and laccase activity (54.8 ± 8.9 and 30.6 ± 2.9 UL -1 respectively) by using P. ostreatus viable biomass needed parameters such as pH (4.5 and 6.0), temperature ). In adsorption studies, it was showed that an acidic pH favors the adsorption of both dyes and the model of pseudo-second order describes best the phenomenon of adsorption. Finally, the germination index (GI), using Lactuca sativa seeds for the initial dyes solutions, was < 50%; demonstrating its high phytotoxic effect. When dye solutions were treated with viable biomass, the GI increased, leaving open the possibility to perform future research to determine if the aqueous solutions, post-treated with P. ostreatus, could be used in treatments that generate less toxic water which could be used in processes that do not require potable water.

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Metabolites from the biodegradation of triphenylmethane dyes by Trametes versicolor or laccase

Cited by 76 publications

References 28 publications

Bioremediation of Dyes Using Ultrafine Membrane Prepared from the Waste Culture of Ganoderma lucidum with in-situ Immobilization of Laccase

Bioremediation of Dyes Using Ultrafine Membrane Prepared from the Waste Culture of Ganoderma lucidum with in-situ Immobilization of Laccase

APLICAÇÃO DE MEDIADORES REDOX NA DESCOLORAÇÃO DE CORANTES UTILIZANDO CALDO ENZIMÁTIDO BRUTO DE Pleurotus sajor-caju PS-2001

Partial removal and detoxification of Malachite Green and Crystal Violet from laboratory artificially contaminated water by Pleurotus ostreatus

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