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1. Advanced Materials Research Vols. 608-609 (2013) pp 281-285 Fuel ethanol production from lignocellulosic biomass using a recombinant yeast strain 2. Advanced Materials Research Vols. 610-613 (2013) pp 9-14 Decolorization of Reactive Brilliant Blue KN-R by immobilized cells of Rhodocyclus gelatinosus §Ý§Ý |
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¹§Ï²Â¥Ö÷£¬Á½ÆªÂÛÎľù±»¼ìË÷ µÚһƪ¼ìË÷ÈçÏ£º Accession number: 20130215879093 Title: Fuel ethanol production from lignocellulosic biomass using a recombinant yeast strain Authors: Chen, Ming1 ; Zu, Guoren1 ; Zhang, Chunzhi1 Author affiliation: 1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China Corresponding author: Chen, M. (chenmingok230@sohu.com) Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 608-609 Monograph title: Progress in Renewable and Sustainable Energy Issue date: 2013 Publication year: 2013 Pages: 281-285 Language: English ISSN: 10226680 ISBN-13: 9783037855492 Document type: Conference article (CA) Conference name: 2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012 Conference date: October 12, 2012 - October 14, 2012 Conference location: Jilin, China Conference code: 94737 Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: Fuel ethanol production from lignocellulosic biomass corn stover was investigated. Compared with acid pretreatment and ammonia steeping pretreatment, alkali pretreatment with 2% NaOH markedly enhanced lignin removal and thereby improved the enzymatic hydrolysis yield to 81.2% by 48 h. Fed-batch hydrolysis was started with a batch hydrolysis containing 80 g/l substrate, with cellulosic residue added at 6 and 12 h twice to get a final substrate concentration of 110 g/l. After 72 h of hydrolysis, the reducing sugar concentration reached 89.5 g/l with a hydrolysis yieldof 83.3%. Further fermentation of the cellulosic hydrolysate containing 56.7 g/l glucose and 23.6 g/l xylose was performed using a recombinant yeast strain Saccharomyces cerevisiae ZU-10, and 36.3 g/l ethanol was produced within 72 h. The research results are meaningful in fuel ethanol production from renewable lignocellulosic biomass. © (2013) Trans Tech Publications, Switzerland. Number of references: 9 Main heading: Cellulosic ethanol Controlled terms: Biomass - Enzymatic hydrolysis - Ethanol - Fermentation - Glucose - Sustainable development - Yeast Uncontrolled terms: Acid pretreatment - Alkali pretreatment - Corn stover - Fed batches - Fuel ethanol - Lignin removal - Lignocellulosic biomass - Pre-Treatment - Recombinant yeast - Reducing sugars - Research results - Substrate concentrations Classification code: 523 Liquid Fuels - 525.1 Energy Resources and Renewable Energy Issues - 801.2 Biochemistry - 802.2 Chemical Reactions - 804.1 Organic Compounds - 911.2 Industrial Economics DOI: 10.4028/www.scientific.net/AMR.608-609.281 Database: Compendex Compilation and indexing terms, © 2012 Elsevier Inc. µÚ2ƪ¼ìË÷ÈçÏ£º Accession number: 20130215884490 Title: Decolorization of reactive brilliant blue KN-R by immobilized cells of rhodocyclus gelatinosus Authors: Chen, Ming1 ; Zhang, Chunzhi1 ; Shen, Yan1; Zu, Guoren1 Author affiliation: 1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China Corresponding author: Chen, M. (chenmingok230@sohu.com) Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 610-613 Monograph title: Progress in Environmental Science and Engineering Issue date: 2013 Publication year: 2013 Pages: 9-14 Language: English ISSN: 10226680 ISBN-13: 9783037855508 Document type: Conference article (CA) Conference name: 2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012 Conference date: October 12, 2012 - October 14, 2012 Conference location: Jilin, China Conference code: 94737 Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: Reactive Brilliant Blue KN-R is a typical kind of anthraquinone dye and in common use in textile, dyeing, and printing industries in China, which is difficult to degrade because of its conjugated structure. The decolorization of KN-R was investigated using Ca-alginate immobilized cells of Rhodocyclus gelatinosus XL-1 under anaerobic conditions. For KN-R decolorization by immobilized cells, the suitable pH is 5-8 and the suitable temperature is 25-40 ¡ãC. Immobilized cells could decolorize KN-R by co-metabolism in the presence of peptone, and the enhancement of peptone concentration was beneficial for anaerobic decolorization. Metal ions affected the metabolic activity of immobilized cells of R. gelatinosus XL-1. The activity of KN-R decolorization was appreciably increased by Mg2+ and Cr3+, but severely inhibited by Cu2+ and Ag+. The maximum absorption peak in visible spectrum shifted from 595 to 453 nm during KN-R decolorization, indicating the formation of the intermediate product. © (2013) Trans Tech Publications, Switzerland. Number of references: 8 Main heading: Cells Controlled terms: Absorption spectroscopy - Aromatic compounds - Cell immobilization - Ketones - Metabolism - Metal ions - Radioactive waste vitrification Uncontrolled terms: Absorption peaks - Anaerobic conditions - Anthraquinone dye - Brilliant Blue - Ca-alginate - Conjugated structures - Decolorization - Immobilized cells - Intermediate product - Metabolic activity - Printing industry - Rhodocyclus gelatinosus - Visible spectra Classification code: 804.1 Organic Compounds - 801.2 Biochemistry - 801 Chemistry - 741 Light, Optics and Optical Devices - 533 Ore Treatment and Metal Refining - 461 Bioengineering and Biology - 452.4 Industrial Wastes Treatment and Disposal DOI: 10.4028/www.scientific.net/AMR.610-613.9 Database: Compendex Compilation and indexing terms, © 2012 Elsevier Inc. |
2Â¥2013-01-26 10:56:27
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Accession number: 20130215879093 Title: Fuel ethanol production from lignocellulosic biomass using a recombinant yeast strain Authors: Chen, Ming1 ; Zu, Guoren1 ; Zhang, Chunzhi1 Author affiliation: 1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China Corresponding author: Chen, M. (chenmingok230@sohu.com) Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 608-609 Monograph title: Progress in Renewable and Sustainable Energy Issue date: 2013 Publication year: 2013 Pages: 281-285 Language: English ISSN: 10226680 ISBN-13: 9783037855492 Document type: Conference article (CA) Conference name: 2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012 Conference date: October 12, 2012 - October 14, 2012 Conference location: Jilin, China Conference code: 94737 Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: Fuel ethanol production from lignocellulosic biomass corn stover was investigated. Compared with acid pretreatment and ammonia steeping pretreatment, alkali pretreatment with 2% NaOH markedly enhanced lignin removal and thereby improved the enzymatic hydrolysis yield to 81.2% by 48 h. Fed-batch hydrolysis was started with a batch hydrolysis containing 80 g/l substrate, with cellulosic residue added at 6 and 12 h twice to get a final substrate concentration of 110 g/l. After 72 h of hydrolysis, the reducing sugar concentration reached 89.5 g/l with a hydrolysis yieldof 83.3%. Further fermentation of the cellulosic hydrolysate containing 56.7 g/l glucose and 23.6 g/l xylose was performed using a recombinant yeast strain Saccharomyces cerevisiae ZU-10, and 36.3 g/l ethanol was produced within 72 h. The research results are meaningful in fuel ethanol production from renewable lignocellulosic biomass. © (2013) Trans Tech Publications, Switzerland. Number of references: 9 Main heading: Cellulosic ethanol Controlled terms: Biomass - Enzymatic hydrolysis - Ethanol - Fermentation - Glucose - Sustainable development - Yeast Uncontrolled terms: Acid pretreatment - Alkali pretreatment - Corn stover - Fed batches - Fuel ethanol - Lignin removal - Lignocellulosic biomass - Pre-Treatment - Recombinant yeast - Reducing sugars - Research results - Substrate concentrations Classification code: 523 Liquid Fuels - 525.1 Energy Resources and Renewable Energy Issues - 801.2 Biochemistry - 802.2 Chemical Reactions - 804.1 Organic Compounds - 911.2 Industrial Economics DOI: 10.4028/www.scientific.net/AMR.608-609.281 Database: Compendex Compilation and indexing terms, © 2012 Elsevier Inc. |
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Accession number: 20130215884490 Title: Decolorization of reactive brilliant blue KN-R by immobilized cells of rhodocyclus gelatinosus Authors: Chen, Ming1 ; Zhang, Chunzhi1 ; Shen, Yan1; Zu, Guoren1 Author affiliation: 1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China Corresponding author: Chen, M. (chenmingok230@sohu.com) Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 610-613 Monograph title: Progress in Environmental Science and Engineering Issue date: 2013 Publication year: 2013 Pages: 9-14 Language: English ISSN: 10226680 ISBN-13: 9783037855508 Document type: Conference article (CA) Conference name: 2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012 Conference date: October 12, 2012 - October 14, 2012 Conference location: Jilin, China Conference code: 94737 Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: Reactive Brilliant Blue KN-R is a typical kind of anthraquinone dye and in common use in textile, dyeing, and printing industries in China, which is difficult to degrade because of its conjugated structure. The decolorization of KN-R was investigated using Ca-alginate immobilized cells of Rhodocyclus gelatinosus XL-1 under anaerobic conditions. For KN-R decolorization by immobilized cells, the suitable pH is 5-8 and the suitable temperature is 25-40 ¡ãC. Immobilized cells could decolorize KN-R by co-metabolism in the presence of peptone, and the enhancement of peptone concentration was beneficial for anaerobic decolorization. Metal ions affected the metabolic activity of immobilized cells of R. gelatinosus XL-1. The activity of KN-R decolorization was appreciably increased by Mg2+ and Cr3+, but severely inhibited by Cu2+ and Ag+. The maximum absorption peak in visible spectrum shifted from 595 to 453 nm during KN-R decolorization, indicating the formation of the intermediate product. © (2013) Trans Tech Publications, Switzerland. Number of references: 8 Main heading: Cells Controlled terms: Absorption spectroscopy - Aromatic compounds - Cell immobilization - Ketones - Metabolism - Metal ions - Radioactive waste vitrification Uncontrolled terms: Absorption peaks - Anaerobic conditions - Anthraquinone dye - Brilliant Blue - Ca-alginate - Conjugated structures - Decolorization - Immobilized cells - Intermediate product - Metabolic activity - Printing industry - Rhodocyclus gelatinosus - Visible spectra Classification code: 804.1 Organic Compounds - 801.2 Biochemistry - 801 Chemistry - 741 Light, Optics and Optical Devices - 533 Ore Treatment and Metal Refining - 461 Bioengineering and Biology - 452.4 Industrial Wastes Treatment and Disposal DOI: 10.4028/www.scientific.net/AMR.610-613.9 Database: Compendex Compilation and indexing terms, © 2012 Elsevier Inc. |
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