Search Results - "Saddler, J."

Effect of hemicellulose and lignin removal on enzymatic hydrolysis of steam pretreated corn stover by Öhgren, Karin, Bura, Renata, Saddler, Jack, Zacchi, Guido

“…Ethanol can be produced from lignocellulosic biomass using steam pretreatment followed by enzymatic hydrolysis and fermentation. The sugar yields, from both…”
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Bioethanol from lignocellulosics: Status and perspectives in Canada by Mabee, W.E., Saddler, J.N.

“…Canada has invested significantly in the development of a domestic bioethanol industry, and it is expected that bioethanol from lignocellulosics will become…”
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A two-stage pretreatment approach to maximise sugar yield and enhance reactive lignin recovery from poplar wood chips by Panagiotopoulos, I.A., Chandra, R.P., Saddler, J.N.

“…► A 2-stage steam/organosolv pretreatment resulted in good sugar and lignin recovery. ► Close to 90% of the original xylan was recovered in a useable form. ►…”
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Biomass availability for lignocellulosic ethanol production by Mabee, W.E., McFarlane, P.N., Saddler, J.N.

“…The ethanol industry in North America uses starch derived from corn as its primary feedstock. In order to better understand the geographical distribution of…”
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Formulation of an optimized synergistic enzyme cocktail, HoloMix, for effective degradation of various pre-treated hardwoods by Malgas, S., Chandra, R., Van Dyk, J.S., Saddler, J.N., Pletschke, B.I.

“…•Synergism between CelMix and XynMix improved hardwood biomass hydrolysis.•XynMix requirement was highly biomass composition/pre-treatment dependent.•HoloMix…”
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Substrate pretreatment: the key to effective enzymatic hydrolysis of lignocellulosics? by Chandra, R P, Bura, R, Mabee, W E, Berlin, A, Pan, X, Saddler, J N

“…Although the structure and function of cellulase systems continue to be the subject of intense research, it is widely acknowledged that the rate and extent of…”
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Substrate and enzyme characteristics that limit cellulose hydrolysis by Mansfield, S.D, Mooney, C, Saddler, J.N

“…The ability and, consequently, the limitations of various microbial enzyme systems to completely hydrolyze the structural polysaccharides of plant cell walls…”
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Effects of sugar inhibition on cellulases and beta-glucosidase during enzymatic hydrolysis of softwood substrates by Xiao, Zhizhuang, Zhang, Xiao, Gregg, David J, Saddler, John N

“…A quantitative approach was taken to determine the inhibition effects of glucose and other sugar monomers during cellulase and beta-Glucosidase hydrolysis of…”
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influence of bark on the fermentation of Douglas-fir whitewood pre-hydrolysates by Robinson, J, Keating, J.D, Boussaid, A, Mansfield, S.D, Saddler, J.N

“…Douglas-fir (Pseudotsuga menziesii) white-wood was supplemented with increasing concentrations of bark (0-30%) and was pretreated using SO2-catalysed steam…”
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Techno-economic evaluations of a generic wood-to-ethanol process: effect of increased cellulose yields and enzyme recycle by Gregg, D.J., Boussaid, A., Saddler, J.N.

“…A previously described techno-economic model ( Gregg and Saddler, 1995a,b; Gregg and Saddler, 1996) was used to evaluate the effects of enzyme recycling and…”
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Do Enzymatic Hydrolyzability and Simons' Stain Reflect the Changes in the Accessibility of Lignocellulosic Substrates to Cellulase Enzymes? by Esteghlalian, Ali R., Bilodeau, Mahina, Mansfield, Shawn D., Saddler, John N.

“…In an attempt to elucidate the impact of substrate accessibility to cellulases on the susceptibility of lignocellulosic substrates to enzymatic hydrolysis, a…”
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Strategies to enhance the enzymatic hydrolysis of pretreated softwood with high residual lignin content by Pan, X, Xie, D, Gilkes, N, Gregg, D.J, Saddler, J.N

“…Pretreatment of Douglas-fir by steam explosion produces a substrate containing approx 43% lignin. Two strategies were investigated for reducing the effect of…”
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Optimization of monosaccharide recovery by post-hydrolysis of the water-soluble hemicellulose component after steam explosion of softwood chips by Shevchenko, S.M, Chang, K, Robinson, J, Saddler, J.N

“…SO 2-catalyzed steam explosion effectively fractionates softwood carbohydrates, releasing 80–90% of the hemicellulose into solution and enhancing the enzymatic…”
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The fermentability of concentrated softwood-derived hemicellulose fractions with and without supplemental cellulose hydrolysates by Robinson, J, Keating, J.D, Mansfield, S.D, Saddler, J.N

“…The hemicellulose-rich component recovered following the steam explosion of softwood residues typically contain very dilute sugar concentrations, which can…”
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An ethanologenic yeast exhibiting unusual metabolism in the fermentation of lignocellulosic hexose sugars by KEATING, J. D, ROBINSON, J, COTTA, M. A, SADDLER, J. N, MANSFIELD, S. D

“…Three lignocellulosic substrate mixtures [liquid fraction of acid-catalyzed steam-exploded softwood, softwood spent sulfite liquor (SSL) and hardwood SSL] were…”
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Factors affecting cellulose hydrolysis and the potential of enzyme recycle to enhance the efficiency of an integrated wood to ethanol process by Gregg, D.J. (University of British Columbia, Vancouver, B.C., Canada.), Saddler, J.N

“…Past technoeconomic modeling work has identified the relatively large contribution that enzymatic hydrolysis adds to the total cost of producing ethanol from…”
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Fermentability of the hemicellulose-derived sugars from steam-exploded softwood (Douglas Fir) by Boussaid, A, Robinson, J, Cai, Y, Gregg, D.J, Saddler, J.N

“…Steam explosion of Douglas fir wood chips under low-severity conditions (log Ro = 3.08 corresponding to 175 degrees C, 7.5 min, and 4.5% SO2) resulted in the…”
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Cellobiose dehydrogenase, an active agent in cellulose depolymerization by Mansfield, S.D, DeJong, E, Saddler, J.N

“…The ability of cellobiose dehydrogenase purified from Phanerochaete chrysosporium to modify a Douglas fir kraft pulp was assessed. Although the addition of…”
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Degradation of trilinolein by laccase enzymes by Zhang, X, Eigendorf, G, Stebbing, D.W, Mansfield, S.D, Saddler, J.N

“…Laccase enzymes were investigated for their potential to catalyze the oxidation of trilinolein and methyl linoleate. This study demonstrates that laccase…”
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Effect of initial moisture content and chip size on the bioconversion efficiency of softwood lignocellulosics by Cullis, I.F, Saddler, J.N, Mansfield, S.D

“…Previous optimization strategies for the bioconversion of lignocellulosics by steam explosion technologies have focused on the effects of temperature, pH, and…”
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