Comparative study on central metabolic fluxes of Bacillus megaterium strains in continuous culture using 13C labelled substrates.

abstract：:Rice straw is a lignocellulosic biomass that constitutes a renewable organic substance and alternative source of energy; however, its structure confounds the liberation of monosaccharides. Pretreating rice straw using a TiO(2)/UV system facilitated its hydrolysis with Accellerase 1000(™), suggesting that hydroxyl radi...

journal_title：Bioprocess and biosystems engineering

authors： Kang HK,Kim D

更新日期：2012-01-01 00:00:00

abstract：:Laccases are very interesting biocatalysts of recognized importance for several industrial applications. Its production by Trametes versicolor, a white-rot fungus, was induced by a combination of cotton gin wastes (1%), a lignocellulosic waste, and vinasse (15%), an industrial by-product from sugarcane industry. The u...

journal_title：Bioprocess and biosystems engineering

authors： Pinheiro VE,Michelin M,Vici AC,de Almeida PZ,Teixeira de Moraes Polizeli ML

更新日期：2020-03-01 00:00:00

abstract：:Recombinant Escherichia coli cells were applied for the recovery of electric energy from formate. Initially, the fdh gene, which encodes formate dehydrogenase (FDH) of Mycobacterium vaccae, was introduced into E. coli cells to allow efficient degradation of formate. The constructed microbial fuel cell (MFC) with E. co...

journal_title：Bioprocess and biosystems engineering

authors： Ojima Y,Kawata T,Matsuo N,Nishinoue Y,Taya M

更新日期：2014-10-01 00:00:00

abstract：:Performances of single-stage and two-stage sequencing batch reactor (SBR) systems were investigated for treating dairy wastewater. A single-stage SBR system was tested with 10,000 mg/l chemical oxygen demand (COD) influent at three hydraulic retention times (HRTs) of 1, 2, and 3 days and 20,000 mg/l COD influent at fo...

journal_title：Bioprocess and biosystems engineering

authors： Li X,Zhang R

更新日期：2002-06-01 00:00:00

abstract：:In the present study, it was presented a strategy to maximize the cutinase production by solid-state fermentation from different microorganisms and substrates. The best results were observed using Fusarium verticillioides, rice bran being the main substrate. Maximum yield of cutinase obtained by the strain was 16.22 U...

journal_title：Bioprocess and biosystems engineering

authors： de Oliveira CT,Alves EA,Todero I,Kuhn RC,de Oliveira D,Mazutti MA

更新日期：2019-05-01 00:00:00

abstract：:Food safety is a global health and socioeconomic concern since many people still suffer from various acute and life-long diseases, which are caused by consumption of unsafe food. Therefore, ensuring safety of the food is one of the most essential issues in the food industry, which needs to be considered during not onl...

journal_title：Bioprocess and biosystems engineering

authors： Coban HB

更新日期：2020-04-01 00:00:00

abstract：:High amounts of outer membrane (OM) components were released in glucose-limited fed-batch (GLFB) cultures at 37 degrees C at specific growth rates approaching 0.05 h(-1). Endotoxin analyses from a 20 degrees C GLFB culture gave similar results. An alternative fermentation technique, the temperature-limited fed-batch (...

journal_title：Bioprocess and biosystems engineering

authors： Svensson M,Han L,Silfversparre G,Häggström L,Enfors SO

更新日期：2005-04-01 00:00:00

abstract：:A novel β-1,3-1,4-glucanase gene was identified in Bacillus sp. SJ-10 (KCCM 90078) isolated from jeotgal, a traditional Korean fermented fish. We analysed the β-1,3-1,4-glucanase gene sequence and examined the recombinant enzyme. The open reading frame of the gene encoded 244 amino acids. The sequence was not identica...

journal_title：Bioprocess and biosystems engineering

authors： Kim YR,Kim EY,Lee JM,Kim JK,Kong IS

更新日期：2013-06-01 00:00:00

abstract：:Determination of hydrogen peroxide (H2O2) has become essential in pharmaceutical, biological, clinical and environmental studies. The conventional detection methods of H2O2 such as colourimetry, titration, chromatography, spectrophotometry, fluorimetry, chemiluminescence have limited success, due to their poor selecti...

journal_title：Bioprocess and biosystems engineering

authors： Pundir CS,Deswal R,Narwal V

更新日期：2018-03-01 00:00:00

abstract：:The effects of biological factors including dissolved oxygen (DO), pH, carbon/nitrogen (C/N) and hydraulic retention times (HRT) on the performance of simultaneous nitrification and denitrification (SND) in a moving bed sequencing batch reactor (MBSBR) were investigated. A low DO was found to be advantageous to the SN...

journal_title：Bioprocess and biosystems engineering

authors： Wang J,Rong H,Cao Y,Zhang C

更新日期：2020-10-01 00:00:00

abstract：:The production of chitinases and hydrophobins from Lecanicillium lecanii was influenced by the cultivation method and type of carbon source. Crude enzyme obtained from solid-substrate culture presented activities of exochitinases (32 and 51 kDa), endochitinases (26 kDa), β-N-acetylhexosaminidases (61, 80, 96 and 111 k...

journal_title：Bioprocess and biosystems engineering

authors： Rocha-Pino Z,Vigueras G,Shirai K

更新日期：2011-08-01 00:00:00

abstract：:Exogenous enzymes are extraneous enzymes that are not intrinsic to the subject. The exogenous enzyme industry has been rapidly developing recently. Successful application of recombinant DNA amplification, high-efficiency expression, and immobilization technology to genetically engineered bacteria provides a rich sourc...

journal_title：Bioprocess and biosystems engineering

authors： Yuan B,Zhou S,Liu C,Zhang S,Li J,Liu A

更新日期：2020-11-04 00:00:00

abstract：:Lysozyme is a lytic enzyme, which has antimicrobial activity. It has been used for food and pharmaceutical applications. This study was undertaken to evaluate fed-batch and continuous fermentations for the human lysozyme production in biofilm reactor. Results showed that addition of lactose the mid-log phase to make t...

journal_title：Bioprocess and biosystems engineering

authors： Ercan D,Demirci A

更新日期：2015-12-01 00:00:00

abstract：:Commercial lipase from Thermomyces lanuginosus has been immobilized on glutaraldehyde-activated rice husk particles via covalent attachment. It was reached maximum immobilized protein concentration of 27.5 ± 1.8 mg g-1 of dry support using the initial protein loading of 40 mg g-1 of support. The immobilized biocatalys...

journal_title：Bioprocess and biosystems engineering

authors： Lima LCD,Peres DGC,Mendes AA

更新日期：2018-07-01 00:00:00

abstract：:Enzymatic modification of starch using long chain fatty acid makes it thermoplastic suitable for a myriad of industrial applications. An industrial lipase preparation produced by Burkholderia cepacia (lipase PS) was used for modification of cassava starch with two acyl donors, lauric acid and palmitic acid. Reactions ...

journal_title：Bioprocess and biosystems engineering

authors： Rajan A,Abraham TE

更新日期：2006-06-01 00:00:00

abstract：:Docosahexaenoic acid (DHA) percentage in total fatty acids (TFAs) is an important index in DHA microbial production. In this study, the change of DHA percentage in response to fermentation stages and the strategies to increase DHA percentage were investigated. Two kinds of conventional nitrogen sources, monosodium glu...

journal_title：Bioprocess and biosystems engineering

authors： Ren LJ,Sun LN,Zhuang XY,Qu L,Ji XJ,Huang H

更新日期：2014-05-01 00:00:00

abstract：:Lipase-catalyzed caffeic acid phenethyl ester (CAPE) synthesis in ionic liquid, 1-ethyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide ([Emim][Tf(2)N]), was investigated in this study. The effects of several reaction conditions, including reaction time, reaction temperature, substrate molar ratio of phenethyl...

journal_title：Bioprocess and biosystems engineering

authors： Ha SH,Van Anh T,Koo YM

更新日期：2013-06-01 00:00:00

abstract：:To obtain the soluble production of recombinant NovQ, it has been constructed into the pET28a system. Unfortunately, NovQ was mostly accumulated as inclusion bodies and existed in insoluble fractions of E. coli cell lysate. Four partners, namely His6, TrxA, GST and MBP, were investigated in fusion expression and co-ex...

journal_title：Bioprocess and biosystems engineering

authors： Ni W,Liu H,Wang P,Wang L,Sun X,Wang H,Zhao G,Zheng Z

更新日期：2019-03-01 00:00:00

abstract：:An optimized repeated-fed-batch fermentation process for the synthesis of dihydroxyacetone (DHA) from glycerol utilizing Gluconobacter oxydans is presented. Cleaning, sterilization, and inoculation procedures could be reduced significantly compared to the conventional fed-batch process. A stringent requirement was tha...

journal_title：Bioprocess and biosystems engineering

authors： Hekmat D,Bauer R,Fricke J

更新日期：2003-12-01 00:00:00

abstract：:Recycled paper mills produce large quantities of fibrous rejects and fines which are usually sent to landfills as solid waste. These cellulosic materials can be enzymatically hydrolyzed into sugars for the production of biofuels and biomaterials. Paper mill wastes also contain large amounts of calcium carbonate which ...

journal_title：Bioprocess and biosystems engineering

authors： Min BC,Ramarao BV

更新日期：2017-06-01 00:00:00

abstract：:A biosurfactant producing microbe isolated from a river bank was identified as Lysinibacillus fusiformis S9. It was identified with help of biochemical tests and 16S rRNA gene phylogenetic analysis. The biosurfactant S9BS produced was purified and characterized as glycolipid. The biosurfactant showed remarkable inhibi...

journal_title：Bioprocess and biosystems engineering

authors： Pradhan AK,Pradhan N,Sukla LB,Panda PK,Mishra BK

更新日期：2014-02-01 00:00:00

abstract：:A carbon membrane-aerated biofilm reactor (CMABR) was developed to treat synthetic wastewater. Such membrane exhibited a high degree of adhesion and good permeability. Continuous experiments showed that COD and NH4(+)-N removal efficiency were 90 +/- 2 and 92 +/- 4% at removal rates of 35.6 +/- 3.8 g COD/m2 per day an...

journal_title：Bioprocess and biosystems engineering

authors： Liu H,Yang F,Wang T,Liu Q,Hu S

更新日期：2007-07-01 00:00:00

abstract：:Infection with Vibrio cholerae is a significant problem in many developing countries. Cultivation of V. cholerae is used in production of cholera toxin B subunit, which is a component in a cholera vaccine. Fed-batch cultivations with V. cholerae in defined media have been conducted and reproducible results were obtain...

journal_title：Bioprocess and biosystems engineering

authors： de Maré L,Andersson L,Hagander P

更新日期：2003-01-01 00:00:00

abstract：:The discovery of quorum sensing as a mechanism for regulating specific phenotypes in bacteria based on population density has conveyed attention to find molecules capable of interfering quorum sensing networks (QSN) in a process coined quorum quenching. Here, we examined the dynamics of Escherichia coli AI-2 and Pseud...

journal_title：Bioprocess and biosystems engineering

authors： Barrios AF,Covo V,Medina LM,Vives-Florez M,Achenie L

更新日期：2009-06-01 00:00:00

abstract：:A self-designed novel solid-state fermentation (SSF) bioreactor named "gas double-dynamic solid-state fermentation bioreactor (GDSFB)" showed great success in processes for the production of several valuable products. For the present study, a simple GDSFB (2 L in volume) was designed to investigate the impact of exhau...

journal_title：Bioprocess and biosystems engineering

authors： Chen H,Li Y,Xu F

更新日期：2013-11-01 00:00:00

abstract：:Discontinuous airlift mixing was realized by injecting pressured air at time intervals with a frequency between 0.033 and 0.25 Hz (at 80 kPa; i.e., every 4-30 s; valve opening time 800 ms) into outdoor flat panel photobioreactors ([Formula: see text]). This caused a flow velocity between 2 and 20 cm s(-1) of the cultu...

journal_title：Bioprocess and biosystems engineering

authors： Leupold M,Hindersin S,Kerner M,Hanelt D

更新日期：2013-11-01 00:00:00

abstract：:Corrosion in bioprocessing applications is described for a 25-year-old bioprocessing pilot plant facility. Various available stainless steel alloys differ greatly in properties owing to the impact of specific alloying elements and their concentrations. The alloy property evaluated was corrosion resistance as a functio...

journal_title：Bioprocess and biosystems engineering

authors： Junker B

更新日期：2009-01-01 00:00:00

abstract：:Many bacteria reduce inorganic sulfate to sulfide to satisfy their need for sulfur, one of the most important elements for biological life. But little is known about the metabolic pathways involving hydrogen sulfide (H₂S) in mesophilic bacteria. By genomic sequence analysis, a complete set of genes for the assimilator...

journal_title：Bioprocess and biosystems engineering

authors： Tan T,Liu C,Liu L,Zhang K,Zou S,Hong J,Zhang M

更新日期：2013-10-01 00:00:00

abstract：:This study evaluated an anaerobic fluidized bed reactor to produce hydrogen from sugarcane molasses of 25 g-COD L-1. The reactor of 1.2 L working volume contained shredded tires as support material. The inoculum was sludge obtained in a UASB reactor of a sewage treatment plant. The AFBR was operated at hydraulic reten...

journal_title：Bioprocess and biosystems engineering

authors： Chaves TC,Gois GNSB,Peiter FS,Vich DV,de Amorim ELC

更新日期：2020-09-26 00:00:00

abstract：:An extractive biocatalytic method of aqueous two-phase system was employed for stereoinversing (R)-1-phenyl-1,2-ethanediol into (S)-1-phenyl-1,2-ethanediol by Candida parapsilosis CCTCC M203011. It was observed that substrate and product inhibitions in microbial stereoinversion through one-pot oxidation and reduction ...

journal_title：Bioprocess and biosystems engineering

authors： Xu MW,Mu XQ,Xu Y

更新日期：2010-03-01 00:00:00