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- Author:
- Tang, Yong; Dou, Xiaoli; Hu, Jinguang; Jiang, Jianxin; Saddler, JackN.
- Source:
- Applied biochemistry and biotechnology 2018 v.184 no.1 pp. 264-277
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; biotransformation; cellulose; enzymatic hydrolysis; glucose; hemicellulose; hydrolysis; lignin; moieties; sulfur dioxide; xylose; Show all 11 Subjects
- Abstract:
- ... The merit of deacetylation of corn stover prior to pretreatment is decreasing the formation of inhibitors and improving enzyme hydrolysis, proved in dilute acid pretreatment. However, few studies are done on how deacetylation would affect bioconversion process containing steam explosion. In this study, the effect of deacetylation on steam explosion was conducted using poplar as substrate. About 57 ...
- DOI:
- 10.1007/s12010-017-2545-x
-
https://dx.doi.org/10.1007/s12010-017-2545-x
- Author:
- Yoo, Chang Geun; Lee, Chi Woo; Kim, Tae Hyun
- Source:
- Applied biochemistry and biotechnology 2014 v.174 no.7 pp. 2639-2651
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; anhydrous ammonia; biomass; biotechnology; digestibility; enzymatic hydrolysis; glucans; hydrolysis; lignocellulose; microbial growth; water content; xylan; Show all 12 Subjects
- Abstract:
- ... Biomass storage is essential for effective utilization of lignocellulosic biomass. Although long-term storage of biomass is as important as the conversion process, no effective method has been developed. This study investigated the effects of low-moisture anhydrous ammonia (LMAA) pretreatment on biomass quality for long-term storage with moisture content from 30 to 70 %. Carbohydrate loss due to f ...
- DOI:
- 10.1007/s12010-014-1215-5
-
http://dx.doi.org/10.1007/s12010-014-1215-5
- Author:
- Zhang, Junhua; Viikari, Liisa
- Source:
- Applied biochemistry and biotechnology 2014 v.174 no.4 pp. 1393-1402
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; cellulases; cellulose; enzymatic hydrolysis; hydrolysis; synergism; xylan; xylanases; Show all 8 Subjects
- Abstract:
- ... Supplementation of xylanase (XYL) has been found to synergistically improve the performance of cellulases (CEL) in the hydrolysis of lignocelluloses. However, the effect of xylan on the synergistic effects of XYL and CEL is still unclear. In this work, the effect of xylan on the synergy between CEL and XYL was investigated. Xylan content in corn stover was generally a good indicator of the degree ...
- DOI:
- 10.1007/s12010-014-1140-7
- PubMed:
- 25113551
-
http://dx.doi.org/10.1007/s12010-014-1140-7
- Author:
- Olsen, S. N.; Borch, K.; Cruys-Bagger, N.; Westh, P.
- Source:
- Applied biochemistry and biotechnology 2014 v.174 no.1 pp. 146-155
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; beta-glucosidase; cellobiose; enzymatic hydrolysis; glucose; hydrolysis; lignocellulose; water content; Show all 8 Subjects
- Abstract:
- ... Industrially, enzymatic hydrolysis of lignocellulose at high solid content is preferable over low solids due to a reduction in processing costs. Unfortunately, the economic benefits are counteracted by a linear decrease in yield with solid content, referred to as the “solid effect” in the literature. In the current study, we investigate the contribution of product inhibition to the solid effect (7 ...
- DOI:
- 10.1007/s12010-014-1049-1
- PubMed:
- 25028248
-
http://dx.doi.org/10.1007/s12010-014-1049-1
- Author:
- Tai, Chao; Keshwani, Deepak
- Source:
- Applied biochemistry and biotechnology 2014 v.172 no.5 pp. 2628-2639
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; biomass; confidence interval; digestibility; energy; enzymatic hydrolysis; enzymes; hydrolysis; models; sulfuric acid; temperature; xylan; Show all 12 Subjects
- Abstract:
- ... Pretreatment of corn stover with dilute sulfuric acid at moderate temperature was investigated, and glucan digestibility by Cellic CTec2 and Celluclast on the pretreated biomass was compared. Pretreatments were carried out from 60 to 180 min at the temperature from 105 to 135 °C, with acid concentrations ranging from 0.5 to 2 % (w/v). Significant portion of xylan was removed during pretreatment, a ...
- DOI:
- 10.1007/s12010-013-0721-1
- PubMed:
- 24420285
-
http://dx.doi.org/10.1007/s12010-013-0721-1
- Author:
- Ge, Xiaoyan; Sun, Zongping; Xin, Donglin; Zhang, Junhua
- Source:
- Applied biochemistry and biotechnology 2014 v.172 no.4 pp. 2106-2118
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; additives; adsorption; biomass; bovine serum albumin; cellulose; enzymatic hydrolysis; ethylene glycol; hydrolysis; recycling; surfactants; xylan; xylanases; Show all 13 Subjects
- Abstract:
- ... Addition of additives has been confirmed to increase cellulase performance in the hydrolysis of lignocellulosic materials. In the hydrolysis of xylan-containing lignocellulosic biomass, xylanase can synergistically enhance the performance of cellulase. However, the role of additives in xylan hydrolysis by xylanase is not yet clear. In this work, with the presence of additives (bovine serum albumin ...
- DOI:
- 10.1007/s12010-013-0673-5
- PubMed:
- 24338209
-
http://dx.doi.org/10.1007/s12010-013-0673-5
- Author:
- Zhang, Liang; Wang, Xiaoqing; Ruan, Zhenhua; Liu, Ying; Niu, Xiaorui; Yue, Zhengbo; Li, Zhimin; Liao, Wei; Liu, Yan
- Source:
- Applied biochemistry and biotechnology 2014 v.172 no.2 pp. 1045-1054
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; ammonia; sugars; xylanases; carbon; endo-1,4-beta-glucanase; enzymatic hydrolysis; hydrolysis; Trichoderma reesei; fungi; Show all 10 Subjects
- Abstract:
- ... Three pretreated corn stover (ammonia fiber expansion, dilute acid, and dilute alkali) were used as carbon source to culture Trichoderma reesei Rut C-30 for cellulase and xylanase production. The results indicated that the cultures on ammonia fiber expansion and alkali pretreated corn stover had better enzyme production than the acid pretreated ones. The consequent enzymatic hydrolysis was perform ...
- DOI:
- 10.1007/s12010-013-0584-5
- PubMed:
- 24142357
-
http://dx.doi.org/10.1007/s12010-013-0584-5
- Author:
- Wu, Dexi; Li, Qiang; Wang, Dan; Dong, Yugang
- Source:
- Applied biochemistry and biotechnology 2013 v.170 no.8 pp. 1942-1949
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; Anabaena; Escherichia coli; acetic acid; biomass; carbonate dehydratase; cellulose; enzymatic hydrolysis; fermentation; furfural; gene overexpression; genes; glucose; hydrolysates; hydrolysis; lignocellulose; succinic acid; Show all 17 Subjects
- Abstract:
- ... Steam-exploded corn stalk biomass was used as the substrate for succinic acid production via lignocellulose enzymatic hydrolysis and fermentation. Succinic acid fermentation was investigated in Escherichia coli strains overexpressing cyanobacterium Anabaena sp. 7120 ecaA gene encoding carbonic anhydrase (CA). For the washed steam-exploded corn stalk at 30 % substrate concentration, i.e., 30 % wate ...
- DOI:
- 10.1007/s12010-013-0319-7
- PubMed:
- 23797507
-
http://dx.doi.org/10.1007/s12010-013-0319-7
- Author:
- Um, Byung-Hwan; van Walsum, G. Peter
- Source:
- Applied biochemistry and biotechnology 2012 v.168 no.2 pp. 406-420
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; acetic acid; cellulose; enzymatic hydrolysis; formic acid; furfural; hydrolysis; hydroxymethylfurfural; industry; lactic acid; oligosaccharides; paper pulp; temperature; xylose; Show all 14 Subjects
- Abstract:
- ... The concept of reaction severity, which combines residence time and temperature, is often used in the pulp and paper and biorefining industries. The influence of corn stover pretreatment severity on yield of sugar and major degradation products and subsequent effects on enzymatic cellulose hydrolysis was investigated. The pretreatment residence time and temperature, combined into the severity fact ...
- DOI:
- 10.1007/s12010-012-9784-7
-
http://dx.doi.org/10.1007/s12010-012-9784-7
- Author:
- Kothari, Urvi D.; Lee, Yoon Y.
- Source:
- Applied biochemistry and biotechnology 2011 v.165 no.5-6 pp. 1391-1405
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; Escherichia coli; acetic acid; cell growth; cellobiose; digestibility; endo-1,4-beta-glucanase; enzymatic hydrolysis; ethanol; fermentation; glucose; hydrolysis; lignin; saccharification; xylan; xylose; Show all 16 Subjects
- Abstract:
- ... Dilute-acid pretreatment liquor (PL) produced at NREL through a continuous screw-driven reactor was analyzed for sugars and other potential inhibitory components. Their inhibitory effects on enzymatic hydrolysis of Solka Floc were investigated. When the PL was mixed into the enzymatic hydrolysis reactor at 1:1 volume ratio, the glucan and xylan digestibility decreased by 63% and 90%, respectively. ...
- DOI:
- 10.1007/s12010-011-9355-3
- PubMed:
- 21909630
-
http://dx.doi.org/10.1007/s12010-011-9355-3
- Author:
- Yoo, Chang Geun; Lee, Chi-Woo; Kim, Tae Hyun
- Source:
- Applied biochemistry and biotechnology 2011 v.164 no.6 pp. 729-740
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; ammonia; fractionation; xylan; cellulases; cellulose; enzymatic hydrolysis; hydrolysis; digestibility; temperature; lignin; Show all 11 Subjects
- Abstract:
- ... Hot water and aqueous ammonia fractionation of corn stover were used to separate hemicellulose and lignin and improve enzymatic digestibility of cellulose. A two-stage approach was used: The first stage was designed to recover soluble lignin using aqueous ammonia at low temperature, while the second stage was designed to recover xylan using hot water at high temperature. Specifically, the first st ...
- DOI:
- 10.1007/s12010-011-9169-3
- PubMed:
- 21274655
-
http://dx.doi.org/10.1007/s12010-011-9169-3
- Author:
- Olsen, Søren N.; Lumby, Erik; McFarland, Kc; Borch, Kim; Westh, Peter
- Source:
- Applied biochemistry and biotechnology 2011 v.163 no.5 pp. 626-635
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; bioethanol; biomass; calorimetry; detection limit; enzymatic hydrolysis; enzyme activity; enzyme inactivation; enzymes; glucose; heat; hydrolysis; polymers; Show all 13 Subjects
- Abstract:
- ... Enzymatic hydrolysis of high-solid biomass (>10% w/w dry mass) has become increasingly important as a key step in the production of second-generation bioethanol. To this end, development of quantitative real-time assays is desirable both for empirical optimization and for detailed kinetic analysis. In the current work, we have investigated the application of isothermal calorimetry to study the kin ...
- DOI:
- 10.1007/s12010-010-9068-z
- PubMed:
- 20803262
-
http://dx.doi.org/10.1007/s12010-010-9068-z
- Author:
- Lin, Zengxiang; Huang, He; Zhang, Hongman; Zhang, Lin; Yan, Lishi; Chen, Jingwen
- Source:
- Applied biochemistry and biotechnology 2010 v.162 no.7 pp. 1872-1880
- ISSN:
- 0273-2289
- Subject:
- corn stover, etc ; ammonia; dry milling; sodium hydroxide; digestion; feedstocks; steel; fermentation; xylanases; glucose; xylose; hydrochloric acid; calcium; delignification; ethanol production; hydrolysis; grinding; biomass; ethanol; wet milling; particle size; enzymatic hydrolysis; endo-1,4-beta-glucanase; Show all 23 Subjects
- Abstract:
- ... Ethanol can be produced from lignocellulosic biomass with the usage of ball milling pretreatment followed by enzymatic hydrolysis and fermentation. The sugar yields from lignocellulosic feed stocks are critical parameters for ethanol production process. The research results from this paper indicated that the yields of glucose and xylose were improved by adding any of the following dilute chemical ...
- DOI:
- 10.1007/s12010-010-8965-5
- PubMed:
- 20593309
-
http://dx.doi.org/10.1007/s12010-010-8965-5