2016
DOI: 10.1016/j.scitotenv.2016.05.169
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Degradation of di(2-ethyl hexyl) phthalate by Fusarium culmorum: Kinetics, enzymatic activities and biodegradation pathway based on quantum chemical modelingpathway based on quantum chemical modeling

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Cited by 63 publications
(66 citation statements)
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“…It has been reported that F. culmorum used DEHP (500 and 1000 mg/L) as carbon and energy source and showed more esterase enzymatic activity at a higher DEHP concentration (Ahuactzin-Pérez et al, 2016). In the present research, F. culmorum showed higher enzymatic activity in those media supplemented with high DEHP concentrations (2000 mg/L in submerged fermentation and 1500 mg/L in solid-state fermentation).…”
Section: Discussionsupporting
confidence: 53%
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“…It has been reported that F. culmorum used DEHP (500 and 1000 mg/L) as carbon and energy source and showed more esterase enzymatic activity at a higher DEHP concentration (Ahuactzin-Pérez et al, 2016). In the present research, F. culmorum showed higher enzymatic activity in those media supplemented with high DEHP concentrations (2000 mg/L in submerged fermentation and 1500 mg/L in solid-state fermentation).…”
Section: Discussionsupporting
confidence: 53%
“…The reaction mixture contained 100 µL of supernatant and 900 µL of reagent prepared with the following components: 1.76% (v/v) pNPB, 1.11% (v/v) acetonitrile, 0.04% (v/v) Triton X-100 and 11.11% (v/v) distilled water, dissolved in 0.01 M phosphate buffer at pH 7.5 and was incubated at 37 ºC for 5 min. One enzymatic unit of esterase activity (U) was defined as the amount of enzyme that produces an increase of 1 unit of absorbance per min in the reaction mixture (Ahuactzin-Pérez et al, 2016). The enzymatic activities were expressed in U/L.…”
Section: Esterases Assaymentioning
confidence: 99%
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“…La biomasa separada del sobrenadante por filtración (usando papel filtro con tamaño de poro de 20-25 µm) fue cuantificada por el método de peso seco. Se determinó la biomasa máxima (Xmax) y se calculó la tasa específica de crecimiento (μ) a partir de cambios en el peso usando la ecuación logística como se ha reportado previamente (Ahuactzin-Pérez et al, 2016). Las evaluaciones de los parámetros cinéticos de la ecuación logística se realizaron utilizando un programa de ajuste de mínimos cuadrados no lineal (Solver, Excel, Microsoft).…”
Section: Producción De Biomasa Parámetros Cinéticos Consumo De Glunclassified
“…Se ha reportado que las enzimas esterasas con capaces de hidrolizar enlaces éster y que los productos de degradación obtenidos no son tóxicos (Kim et al, 2002, Ahuactzin-Pérez et al, 2014. Algunas especies de hongos como Fusarium oxysporum (Kim et al, 2003), Fusarium culmorum (Ahuactzin-Pérez et al, 2016), Pleurotus ostreatus (Ahuactzin-Pérez et al, 2018), Trichoderma harzianum (Aguilar-Alvarado et al, 2015) entre otros, han sido reportados como organismos capaces de degradar ftalatos. Por lo tanto, es importante encontrar organismos con la capacidad de producir esterasas que puedan ser empleados para la degradación de los ftalatos, a través de la ruptura de los enlaces éster presentes en estos compuestos.…”
Section: Introductionunclassified