1982
DOI: 10.1007/3540116982_4
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The nature of lignocellulosics and their pretreatments for enzymatic hydrolysis

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Cited by 144 publications
(119 citation statements)
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“…Therefore, in order for man to successfully exploit lignocellulosics for commercial purposes, treatments that increase the accessibility of the catalyst (whether microbial or enzymic) to the substrate have been studied (Fan et al 1982). These include mechanical, chemical, thermal, and biological pretreatments.…”
Section: Microorganism Access To Substratementioning
confidence: 99%
“…Therefore, in order for man to successfully exploit lignocellulosics for commercial purposes, treatments that increase the accessibility of the catalyst (whether microbial or enzymic) to the substrate have been studied (Fan et al 1982). These include mechanical, chemical, thermal, and biological pretreatments.…”
Section: Microorganism Access To Substratementioning
confidence: 99%
“…La celulosa es un polímero de glucosas, las cuales se mantienen unidas por enlaces β-1,4-glucosídicos, permitiendo formar cadenas largas y lineales, unidas entre sí mediante enlaces de hidrógeno intramolecular, formando una estructura supramolecular cristalina y organizada, resistente a la hidrólisis (Chou et al 1981, Fan et al 1982. Para hidrolizar a este polímero es necesaria la acción secuencial y sinérgica de exo y endo-β-1,4-glucanasas y de la β-1,4-glucosidasa, que actúan en diferentes sitios para la hidrólisis (Lee 1997) y que dan como productos oligosacáridos, glucosa y celobiosa, siendo esta última un inhibidor de las exo y endo-β-1,4-glucanasas (Hahn-Hagerdal & Palmqvist 2000), lo cual trae como consecuencia la disminución de la eficiencia de la hidrólisis y por tanto una disminución de la fuente de carbono (Sahab & Sabbour 2011 esporas·mL ).…”
Section: Materiales Y Métodosunclassified
“…However, cellulases are relatively large enzymes, and cannot fit through most of the spaces in the intact vascular layer of straw (Cowling andKirk 1976, Thompson et al 1992). Thus, physical, chemical, and thermal pretreatments are employed to increase the penetration of cellulases into this lignocellulose matrix (Marsden and Gray 1986, Cowling and Kirk 1976, Fan et al 1982. Many pretreatments have been developed, including acids (Knappert et al 1980, Goldstein et al 1983, alkalis (Playne 1984, Weimer et al 1986), organosolvents (Avgerinos and Wang 1983), steam explosion (Playne 1984, Taylor 1981, physical treatments, and others.…”
Section: Task 2a -Fungal Preprocessing Of Straw Residue Laboratory Omentioning
confidence: 99%