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Estudio de la cinética de la hidrólisis enzimática del bagazo pretratado

Authors: Albernas-Carvajal, Yailet; Corsano, Gabriela; Mesa Garriga, Layanis; Santos Herrero, Ronaldo; González Suárez, Erenio;

Estudio de la cinética de la hidrólisis enzimática del bagazo pretratado

Abstract

En el estudio se determinan los parámetros fundamentales de la cinética enzimática a partir de un modelo cinético pseudo-homogéneo de Michaelis Menten, previamente estudiado con otros materiales lignocelulósicos, para determinar la velocidad de producción de Azúcares Reductores Totales (ART) en el tiempo. Para ello se emplearon los resultados obtenidos a nivel de laboratorio, en el cual se llevó a cabo la hidrólisis enzimática del bagazo previamente pretratado de forma ácida y básica. Se emplearon las enzimas Celulolíticas Novozyme CellicRCTec2 y β-glucosidasa con código NS50010, en un experimento con un diseño factorial 23 haciendo réplicas al azar. Los valores de la constante de Michaelis Menten y constante de inhibición determinados (KM y KI) son intrínsecos al sistema de celulosa y celulasa dado, y son independientes de las variables de operación empleadas.

En l’estudi es determinen els paràmetres fonamentals de la cinètica enzimàtica a partir d’un model cinètic pseudo-homogeni de Michaelis Menten, prèviament estudiat amb altres materials lignocel·lulòsics, per determinar la velocitat de producció en el temps de Sucres Reductors totals (SRT). Per a això es van emprar els resultats obtinguts a nivell de laboratori, en el qual es va dur a terme la hidròlisi enzimàtica del bagàs prèviament pretractat de manera àcida i bàsica. Es van emprar els enzims cel·lulòlitics Novozyme CellicRCTec2 i β-glucosidasa amb codi NS50010, en un experiment amb un disseny factorial 23 fent rèpliques a l’atzar. Els valors de la constant de Michaelis Menten i de la constant d’inhibició determinats (KM i KI ) són intrínsecs al sistema de cel·lulosa i cel·lulasa donat, i són independents de les variables d’operació utilitzades.

In this work, the enzymatic kinetic essential parameters are determined through the pseudo-homogeneous Michaelis– Menten kinetic model, which was previously studied using different lignocellulosic materials in order to establish the total reducing sugar (ART) production rate. For that purpose, experimental results of enzymatic hydrolysis of bagasse were used, where an acid and alkaline pretreatment was previously applied. The Novozyme CellicRCTec2 and β-glucosidase with code NS50010 Cellulolitics enzymes were used, in a test with 23 factorial design and random replicas. The Michaelis–Menten constant and inhibition parameters (KM and KI ) are intrinsic to the given cellulose and cellulase system, and they are independent of the used operation variables.

Fil: Corsano, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo y Diseño (i); Argentina

Fil: Albernas Carvajal, Yailet. Universidad Central Marta Abreu de Las Villas; Cuba

Fil: Santos Herrero, Ronaldo. Universidad Central Marta Abreu de Las Villas; Cuba

Fil: Gonzalez Suarez, Erenio. Universidad Central Marta Abreu de Las Villas; Cuba

Fil: Mesa Garriga, Leyanis. Universidad Central Marta Abreu de Las Villas; Cuba

Country
Argentina
Keywords

OPTIMIZACIÓN, DISEÑO, https://purl.org/becyt/ford/2.4, Bagazo; hidrólisis enzimática; Michaelis Menten; Modelo cinético., OPERACIÓN, Modelo Cinético, Bagazo, Hidrólisis Enzimática, https://purl.org/becyt/ford/2, Michaelis Menten, HIDRÓLISIS ENZIMÁTICA

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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