標(biāo)題: Titlebook: Biotechnology for Fuels and Chemicals; Proceedings of the N Mark Finkelstein,Brian H. Davison Conference proceedings 1998 Humana Press Inc. [打印本頁] 作者: 自治 時(shí)間: 2025-3-21 16:35
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書目名稱Biotechnology for Fuels and Chemicals影響因子(影響力)學(xué)科排名
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作者: MOAT 時(shí)間: 2025-3-21 23:53 作者: ARBOR 時(shí)間: 2025-3-22 03:13 作者: surmount 時(shí)間: 2025-3-22 05:01
https://doi.org/10.1007/978-981-16-7462-4d has resulted in the development of an engineered Z. . strain that will coferment arabinose. Increasing attention is being given to the use of hydrolysates by Z. . and other ethanologens. Also, a number of yeasts have been screened and adapted to the fermentation of softwood prehydrolysates. The na作者: 保留 時(shí)間: 2025-3-22 10:21 作者: defeatist 時(shí)間: 2025-3-22 14:38
G. Uhlenbruck,F. G. Hanisch,W. E. G. Müllerld was solely attributable to the pH-dependent shift in pyruvate metabolism, resulting in the production of lactic acid as a fermentation byproduct. At a dilution rate (D) of 0.042/h, decreasing from pH 6.0 to 5.5 resulted in a decrease in lactic acid from 10.8 to 7.5 g/L. Lactic acid synthesis depe作者: Adornment 時(shí)間: 2025-3-22 19:44 作者: 記憶 時(shí)間: 2025-3-23 00:32
bio- mass to fuels and chemicals in a commercially attractive fashion. The 19th Symposium captures a wide range of technical topics from an academic, industrial, or government perspective. A vari- ety of biomass feedstocks are discussed in Session 1, along with several updated and innovative pretreatment pro978-1-4612-7295-3978-1-4612-1814-2作者: Daily-Value 時(shí)間: 2025-3-23 01:48 作者: 樹木中 時(shí)間: 2025-3-23 08:06
Shrinking-Bed Model for Percolation Process Applied to Dilute-Acid Pretreatment/Hydrolysis of Cellugh the reactor (i.e., τ = 1.0). A simulated optimal run further reveals that the fast portion of hemicellulose is almost completely hydrolyzed in the first stage, and the slow portion of hemicellulose is hydrolyzed in the second stage. Under optimal conditions, the bed shrank 27% (a near-maximum val作者: 確保 時(shí)間: 2025-3-23 12:53 作者: 變色龍 時(shí)間: 2025-3-23 14:34 作者: Working-Memory 時(shí)間: 2025-3-23 19:20
Improving Fermentation Performance of Recombinant Zymomonas in Acetic Acid-Containing Media, glucose, with varying amounts of acetic acid was examine. To minimize the concentration of the inhibitory undissociated form of acetic acid, the pH was controlled at 6.0. The final cell mass concentration decreased linearly with increasing level of acetic acid over the range 0-0.75% (w/v), with a 5作者: 暖昧關(guān)系 時(shí)間: 2025-3-23 23:55 作者: 夜晚 時(shí)間: 2025-3-24 03:32
Feedstock Supply and Processing,of obtaining fuel additives and oxygenated chemicals from biomass. This series of papers examines biomass feedstock availability, and the impact of advances in hydrolysis and pretreatment methods on improving extents of conversion of cellulose to glucose. Significant progress has been made, but the 作者: 殺死 時(shí)間: 2025-3-24 08:43 作者: Jogging 時(shí)間: 2025-3-24 13:05
Pretreatment of Softwood by Acid-Catalyzed Steam Explosion Followed by Alkali Extraction, acid- or enzyme-catalyzed hydrolysis of the cellulosic fraction. Enzymatic hydrolysis may be improved by using an alkali to extract a fraction of the lignin from the pretreated material. The removal of the lignin may increase the accessibility of the cellulose to enzymatic attack, and thus improve 作者: 考博 時(shí)間: 2025-3-24 16:52 作者: Itinerant 時(shí)間: 2025-3-24 21:26
Shrinking-Bed Model for Percolation Process Applied to Dilute-Acid Pretreatment/Hydrolysis of Cellulated two-stage reverse-flow. This process has been proven to attain substantially higher sugar yields and concentrations over the conventional single-stage percolation process. The dilute-acid pretreatment of biomass solubilizes the hemicellulose fraction in the solid biomass, leaving less solid bi作者: Nostalgia 時(shí)間: 2025-3-25 02:34
Cost Estimates and Sensitivity Analyses for the Ammonia Fiber Explosion Process,s were estimated. AFEX costs about $20-40/t of dry biomass treated. Several promising areas for reducing process costs exist. Return on investment (ROI) calculations were also done for AFEX-treated materials (as digestibility-enhanced animal feeds), in conjunction with sensitivity analyses on the ov作者: 混雜人 時(shí)間: 2025-3-25 05:25
Selective Polarity- and Adsorption-Guided Extraction/Purification of Annona sp. Polar Acetogenins a), middle-chain tetrahydrofuran rings, and a 7-lactonized, α/β-unsaturated carboxyl group. Acetogenins’ strong biological activity as larvicides, pesticides, and antitumorals is dependent on these structural variations. The hydroxylation degree is particularly important for these etfects. Seeds, alb作者: 柔聲地說 時(shí)間: 2025-3-25 09:46 作者: animated 時(shí)間: 2025-3-25 15:21
Pretreatment of Sugarcane Bagasse Hemicellulose Hydrolysate for Xylitol Production by Candida guillioconversion, the hydrolysate was pretreated by changing the initial pH level through the combination of different bases and acids with or without the subsequent addition of activated charcoal. Attention was given to the influence of the fermentation time as well..The experiments were based on multi作者: BRAND 時(shí)間: 2025-3-25 16:05 作者: 標(biāo)準(zhǔn) 時(shí)間: 2025-3-25 22:28
Applied Biological Research,d from metabolic and enzyme engineering. Increasingly, genetically engineered enzymes or organisms with altered traits are being integrated into processes. Fermentation of xylose by genetically engineered bacteria and yeast continues to attract attention. The high ethanol yield . characteristically 作者: 色情 時(shí)間: 2025-3-26 01:34 作者: 影響帶來 時(shí)間: 2025-3-26 06:25 作者: ANNUL 時(shí)間: 2025-3-26 09:42 作者: 詢問 時(shí)間: 2025-3-26 13:05 作者: 禍害隱伏 時(shí)間: 2025-3-26 19:40
Improving Fermentation Performance of Recombinant Zymomonas in Acetic Acid-Containing Media,etic acid in the prehydrolysate. The National Renewable Energy Laboratory (NREL) is currently investigating a simultaneous saccharification and cofermentation (SSCF) process that uses a proprietary metabolically engineered strain of . that can coferment glucose and xylose. Acetic acid toxicity repre作者: lesion 時(shí)間: 2025-3-26 21:34
Conditions that Promote Production of Lactic Acid by Zymomonas mobilis in Batch and Continuous Cultin their steady-state growth environment. The usual high degree of ethanol selectivity associated with glucose fermentation by Z. . is associated with conditions that promote rapid and robust growth, with about 95% of the substrate (5% w/v glucose) being converted to ethanol and CO., and the remaini作者: 星星 時(shí)間: 2025-3-27 03:32 作者: Femine 時(shí)間: 2025-3-27 08:21
Cloned Bacillus subtilis Alkaline Protease (aprA) Gene Showing High Level of Keratinolytic Activityen . cells were grown on the laboratory medium 2XSG. . cells harboring the multicopy . gene were grown on basal medium, supplemented with 1% chicken feather as a source of energy, carbon, and nitrogen. Proteolytic and keratinolytic activities were monitored throughout the cultivation time. A high le作者: prolate 時(shí)間: 2025-3-27 11:00 作者: Jogging 時(shí)間: 2025-3-27 14:52
978-1-4612-7295-3Humana Press Inc. 1998作者: WAX 時(shí)間: 2025-3-27 18:20
https://doi.org/10.1007/978-1-4020-6953-6of obtaining fuel additives and oxygenated chemicals from biomass. This series of papers examines biomass feedstock availability, and the impact of advances in hydrolysis and pretreatment methods on improving extents of conversion of cellulose to glucose. Significant progress has been made, but the 作者: 厭食癥 時(shí)間: 2025-3-27 22:02 作者: Monolithic 時(shí)間: 2025-3-28 04:14
https://doi.org/10.1007/978-1-4020-6953-6 acid- or enzyme-catalyzed hydrolysis of the cellulosic fraction. Enzymatic hydrolysis may be improved by using an alkali to extract a fraction of the lignin from the pretreated material. The removal of the lignin may increase the accessibility of the cellulose to enzymatic attack, and thus improve 作者: 多嘴多舌 時(shí)間: 2025-3-28 09:17
https://doi.org/10.1007/978-1-4020-6953-6 pilot-scale Sunds hydrolyzer and a 4-L bench-scale NREL digester (steam explosion reactor). Pretreatment conditions for the Sunds hydrolyzer, installed in the NREL process development unit (PDU), which operates at 1 t/d (bone-dry t) feed rate, spanned the temperature range of 160-210°C, 0.1-1.0% (w作者: 拋媚眼 時(shí)間: 2025-3-28 10:29
Genetics, Molecular Biology And Evolution,lated two-stage reverse-flow. This process has been proven to attain substantially higher sugar yields and concentrations over the conventional single-stage percolation process. The dilute-acid pretreatment of biomass solubilizes the hemicellulose fraction in the solid biomass, leaving less solid bi作者: incite 時(shí)間: 2025-3-28 15:06
Detection, Occurence And Isolation,s were estimated. AFEX costs about $20-40/t of dry biomass treated. Several promising areas for reducing process costs exist. Return on investment (ROI) calculations were also done for AFEX-treated materials (as digestibility-enhanced animal feeds), in conjunction with sensitivity analyses on the ov作者: 大炮 時(shí)間: 2025-3-28 19:48 作者: canvass 時(shí)間: 2025-3-28 23:47 作者: 成績上升 時(shí)間: 2025-3-29 03:28
Genetics, Molecular Biology And Evolution,ioconversion, the hydrolysate was pretreated by changing the initial pH level through the combination of different bases and acids with or without the subsequent addition of activated charcoal. Attention was given to the influence of the fermentation time as well..The experiments were based on multi作者: Clinch 時(shí)間: 2025-3-29 07:59
Genetics, Molecular Biology And Evolution, chemically resistive regions of cellulose in order to enhance enzymatic conversion to glucose. Pretreatment can generate organic acids through acid-catalyzed degradation of monosaccharides formed because of acids released from the biomass material or the inherent acidity of the water at temperature作者: engrossed 時(shí)間: 2025-3-29 12:22 作者: Gourmet 時(shí)間: 2025-3-29 18:36 作者: 數(shù)量 時(shí)間: 2025-3-29 20:47 作者: Opponent 時(shí)間: 2025-3-30 00:54
Katsuko Yamashita,Takashi Ohkuracted softwood species found in forest underbrush of the western United States, which contain predominantly hexosan hemicellulose, were studied. This phase of the work emphasized debarked Douglas fir. The two best initial isolates were gradually selected for improved growth by adaptation to increasin作者: COKE 時(shí)間: 2025-3-30 07:23 作者: bizarre 時(shí)間: 2025-3-30 09:55
D. Glaves,L. Weiss,F. Vidal-Vanaclochaetic acid in the prehydrolysate. The National Renewable Energy Laboratory (NREL) is currently investigating a simultaneous saccharification and cofermentation (SSCF) process that uses a proprietary metabolically engineered strain of . that can coferment glucose and xylose. Acetic acid toxicity repre作者: conscribe 時(shí)間: 2025-3-30 14:17
G. Uhlenbruck,F. G. Hanisch,W. E. G. Müllerin their steady-state growth environment. The usual high degree of ethanol selectivity associated with glucose fermentation by Z. . is associated with conditions that promote rapid and robust growth, with about 95% of the substrate (5% w/v glucose) being converted to ethanol and CO., and the remaini作者: 侵略主義 時(shí)間: 2025-3-30 17:46
A. Schauer,S. Gabius,U. Brinck,H.-J. Gabiusentative lactate dehydrogenase, gave rise spontaneously to a chromosomal mutation that restored its ability to ferment glucose. The mutant strain, named AFP111, fermented glucose more slowly than did its wild-type ancestor, strain W1485, and generated a very different spectrum of products. AFP111 pr作者: 高調(diào) 時(shí)間: 2025-3-30 22:12
Hans-Joachim Gabius,Sigrun Gabiusen . cells were grown on the laboratory medium 2XSG. . cells harboring the multicopy . gene were grown on basal medium, supplemented with 1% chicken feather as a source of energy, carbon, and nitrogen. Proteolytic and keratinolytic activities were monitored throughout the cultivation time. A high le作者: 伸展 時(shí)間: 2025-3-31 01:31 作者: Overstate 時(shí)間: 2025-3-31 05:32 作者: amphibian 時(shí)間: 2025-3-31 09:48 作者: 巨大沒有 時(shí)間: 2025-3-31 15:49 作者: 痛打 時(shí)間: 2025-3-31 19:58
Dilute Acid Pretreatment of Softwoods ,,at 200-230°C for 1-5 min. After pretreatment, 90-95% of the hemicellulose and as much as 20% of the cellulose was solubilized in water, and 90% of the remaining cellulose can be hydrolyzed to glucose by cellulase enzyme. The prehydrolysates, at as high as 10% total solid concentration, can be readily fermented by the unadapted yeast . D.A.作者: COUCH 時(shí)間: 2025-4-1 01:40 作者: anatomical 時(shí)間: 2025-4-1 04:57
https://doi.org/10.1007/978-1-4020-6953-6ose, and increased the enzymatic digestibility of the cellulose that remained in the solids. Compositional analysis of the pretreated solids and liquors and mass balance data show that the two pretreatment devices had similar pretreatment performance.作者: 容易做 時(shí)間: 2025-4-1 08:39 作者: BILK 時(shí)間: 2025-4-1 10:24 作者: Externalize 時(shí)間: 2025-4-1 17:30
Hans-Joachim Gabius,Sigrun Gabiuslls represents an alternative way to improve the nutritional value of feather, since feather waste is currently utilized on a limited basis as a dietary protein supplement for animal feedstuffs. Moreover, the release of free amino acids from feather and the secreted keratinase enzyme would promote industries based on feather waste.作者: Omniscient 時(shí)間: 2025-4-1 21:34
Comparison of Yellow Poplar Pretreatment Between NREL Digester and Sunds Hydrolyzer,ose, and increased the enzymatic digestibility of the cellulose that remained in the solids. Compositional analysis of the pretreated solids and liquors and mass balance data show that the two pretreatment devices had similar pretreatment performance.作者: 努力趕上 時(shí)間: 2025-4-2 00:56 作者: BARGE 時(shí)間: 2025-4-2 03:04 作者: Injunction 時(shí)間: 2025-4-2 09:00
Cloned Bacillus subtilis Alkaline Protease (aprA) Gene Showing High Level of Keratinolytic Activitylls represents an alternative way to improve the nutritional value of feather, since feather waste is currently utilized on a limited basis as a dietary protein supplement for animal feedstuffs. Moreover, the release of free amino acids from feather and the secreted keratinase enzyme would promote industries based on feather waste.作者: adhesive 時(shí)間: 2025-4-2 14:17 作者: 可轉(zhuǎn)變 時(shí)間: 2025-4-2 15:56 作者: 浪費(fèi)時(shí)間 時(shí)間: 2025-4-2 22:30
Xylose Reductase Production oy Candida guilliermondii, respectively, the cited parameters could vary as follows: initial pH: 3.0-5.0; xylose: 15-60 g/L; glucose: 0-5 g/L; and fermentation time: 12-24 h. Moreover, the high XR and XD activities occurred when the xylitol production by the yeast was less than 19.0 g/L.作者: inveigh 時(shí)間: 2025-4-3 02:04 作者: 夾死提手勢 時(shí)間: 2025-4-3 03:53
