Nutrient composition of culture media induces different patterns of CO2 fixation from biogas and biomass production by the microalga Scenedesmus obliquus U169.

abstract：:Cucurbitacin B (CuB) and its glycoside, cucurbitacin B 2-o-β-D-glucoside (CuBg), abundantly occur in the pedicels of Cucumis melo. Compared with CuB, CuBg is not efficiently extracted from the pedicels. Furthermore, the anticancer activity of CuBg is lower than that of the aglycone. A process for CuBg biotransformatio...

journal_title：Bioprocess and biosystems engineering

authors： Mei J,Li S,Jin H,Tang L,Yi Y,Wang H,Ying G

更新日期：2016-09-01 00:00:00

abstract：:tert-Butyl (3R,5S)-6-chloro-3,5-dihydroxyhexanoate [(3R,5S)-CDHH] is the key chiral intermediate to synthesize the side chain of the lipid-lowering drug rosuvastatin. Carbonyl reductases showed excellent activity for the biosynthesis of (3R,5S)-CDHH. The requirement of cofactor NADH/NADPH leads to high cost for the in...

journal_title：Bioprocess and biosystems engineering

authors： Zhang XJ,Wang WZ,Zhou R,Liu ZQ,Zheng YG

更新日期：2020-01-01 00:00:00

abstract：:We study the adhesion limit of 3T6 fibroblasts, cultured in Dulbecco's modified Eagle's medium with 10% fetal bovine serum at 37 °C and 5% CO2, with a narrow-gap rotational rheometer in the parallel-disk configuration. Reducing the uncertainty in gap width to about 1 µm allows studying the cells at narrow gaps, which ...

journal_title：Bioprocess and biosystems engineering

authors： Dakhil H,Do H,Hübner H,Wierschem A

更新日期：2018-03-01 00:00:00

abstract：:Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene-poly(styrene-co-maleic anhydride) (PS-PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, ...

journal_title：Bioprocess and biosystems engineering

authors： An HJ,Lee HJ,Jun SH,Hwang SY,Kim BC,Kim K,Lee KM,Oh MK,Kim J

更新日期：2011-09-01 00:00:00

abstract：:To improve the performance of covalently immobilized penicillin acylase (PA), the immobilization was carried out in mesocellular silica foams (MCFs) using p-benzoquinone as cross linker. The characterizations of the immobilized enzyme were studied carefully. The results showed that the relative activity of the immobil...

journal_title：Bioprocess and biosystems engineering

authors： Wang A,Wang H,Zhu S,Zhou C,Du Z,Shen S

更新日期：2008-08-01 00:00:00

abstract：:Porphyridium cruentum is one of the most valued microalgae species able to produce both pigments and exopolysaccharides. Conventional liquid suspended cultivation in ponds and photobioreactors show its disadvantages in lower cultivation efficiency and higher stirring power consumption due to the high viscosity of the ...

journal_title：Bioprocess and biosystems engineering

authors： Lutzu GA,Zhang L,Zhang Z,Liu T

更新日期：2017-01-01 00:00:00

abstract：:The efficiency of the bioconversion process and the achievable end-product concentration decides the economic feasibility of microbial 2,3-butanediol (2,3-BDO) production. In 2,3-BDO production, optimization of culture condition is required for cell growth and metabolism. Also, the pH is an important factor that influ...

journal_title：Bioprocess and biosystems engineering

authors： Park C,Lu M,Yun S,Park K,Lee J

更新日期：2013-06-01 00:00:00

abstract：:The gold-rhenium (AuRe) composite nanoparticle was prepared by NaBH(4) reduction procedure, and was modified by the aptamer to obtain an AuRe nanoprobe (AuRessDNA) for thrombin. In pH 7.0 Tris-HCl buffer solution and in the presence of salt, the nanoprobe specifically combined with thrombin to form AuRe-aptamer-thromb...

journal_title：Bioprocess and biosystems engineering

authors： Liang A,Li J,Jiang C,Jiang Z

更新日期：2010-11-01 00:00:00

abstract：:Chemical absorption-biological reduction (BioDeNOx), which uses Fe(II)(EDTA) as a complexing agent for promoting the mass transfer efficiency of NO from gas to water, is a promising technology for removing nitric oxide (NO) from flue gases. The carbon source and pH are important parameters for Fe(II)(EDTA)-NO (the pro...

journal_title：Bioprocess and biosystems engineering

authors： Chen J,Wang L,Zheng J,Chen J

更新日期：2015-07-01 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：:The use of fed-batch extractive fermentation can overcome inhibitory effects caused by the substrate and ethanol to the yeast cells, since it allows regulate the substrate concentration and remove the product as it is produced. The present study describes the modelling and experimental validation of ethanol production...

journal_title：Bioprocess and biosystems engineering

authors： Lemos DA,Sonego JLS,Cruz AJG,Badino AC

更新日期：2020-12-01 00:00:00

abstract：:Corn stover (CS) was hydrothermally pretreated using CH3COOH (0.3 %, v/v), and subsequently its ability to be utilized for conversion to ethanol at high-solids content was investigated. Pretreatment conditions were optimized employing a response surface methodology (RSM) with temperature and duration as independent va...

journal_title：Bioprocess and biosystems engineering

authors： Katsimpouras C,Christakopoulos P,Topakas E

更新日期：2016-09-01 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：:Twenty-nine actinobacterial strains were isolated from marine sponge Spongia officinalis and screened for antagonistic activity against various bacterial and fungal pathogens. The active antibiotic producer MAPS15 was identified as Streptomyces sp. using 16S rRNA phylogenetic analysis. The critical control factors wer...

journal_title：Bioprocess and biosystems engineering

authors： Sathiyanarayanan G,Gandhimathi R,Sabarathnam B,Seghal Kiran G,Selvin J

更新日期：2014-03-01 00:00:00

abstract：:ε-Poly-L-lysine (ε-PL) is produced by Streptomyces as a secondary metabolite with wide industrial applications, but its production still needs to be further enhanced. Environmental stress is an important approach for the promotion of secondary metabolites production by Streptomyces. In this study, the effect of acidic...

journal_title：Bioprocess and biosystems engineering

authors： Ren XD,Chen XS,Zeng X,Wang L,Tang L,Mao ZG

更新日期：2015-06-01 00:00:00

abstract：:Biochemical reactions occurring during anaerobic digestion have been modelled using reaction kinetic equations such as first-order, Contois and Monod which are then combined to form mechanistic models. This work considers models which include between one and three biochemical reactions to investigate if the choice of ...

journal_title：Bioprocess and biosystems engineering

authors： Owhondah RO,Walker M,Ma L,Nimmo B,Ingham DB,Poggio D,Pourkashanian M

更新日期：2016-06-01 00:00:00

abstract：:Safe and eco-friendly alternatives to currently used hazardous chemico-physical methods of silver nanoparticles (AgNPs) synthesis are need of time. Rapid, low cost, selective detection of toxic metals in environmental sample is important to take safety action. Toxicity assessment of engineered AgNPs is essential to av...

journal_title：Bioprocess and biosystems engineering

authors： Borase HP,Patil CD,Salunkhe RB,Suryawanshi RK,Salunke BK,Patil SV

更新日期：2014-11-01 00:00:00

abstract：:During the production of bio-based bulk chemicals, such as lactic acid (LA), organic impurities have to be removed to produce a ready-to-market product. A capillary electrophoresis method for the simultaneous detection of LA and organic impurities in less than 10 min was developed. LA and organic impurities were detec...

journal_title：Bioprocess and biosystems engineering

authors： Laube H,Boden J,Schneider R

更新日期：2017-07-01 00:00:00

abstract：:Sorghum stalks were evaluated to generate clean sugars; enzymatic hydrolysis efficiency of acid pretreated biomass was significantly low (12.3 g sugar/g pretreated biomass) compared to alkali method (49.1 g sugar/g pretreated biomass). Inhibitory compounds derived from acid pretreatment, such as hydroxymethyl furfural...

journal_title：Bioprocess and biosystems engineering

authors： Lee JE,Guragain YN,Bastola KP,Vadlani PV

更新日期：2017-04-01 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：:An new cascade control system is presented that reproducibly keeps the cultivation part of recombinant protein production processes on its predetermined track. While the system directly controls carbon dioxide production mass and carbon dioxide production rates along their setpoint profiles in fed-batch cultivation, i...

journal_title：Bioprocess and biosystems engineering

authors： Kuprijanov A,Schaepe S,Aehle M,Simutis R,Lübbert A

更新日期：2012-03-01 00:00:00

abstract：:The mammalian pathogen Bordetella bronchiseptica was grown under controlled batch conditions with glutamate as the primary carbon and nitrogen source. First, a Box-Behnken statistical design quantified the effect of Mg, sulfate, and nicotinate on the antigen filamentous hemagglutinin (FHA) formation. Using lactic acid...

journal_title：Bioprocess and biosystems engineering

authors： Guetter SD,Eiteman MA

更新日期：2014-02-01 00:00:00

abstract：:The hydrolase (Thermobifida fusca hydrolase; TfH) from T. fusca was produced in Escherichia coli as fusion protein using the OmpA leader sequence and a His(6) tag. Productivity could be raised more than 100-fold. Both batch and fed-batch cultivations yield comparable cell specific productivities whereas volumetric pro...

journal_title：Bioprocess and biosystems engineering

authors： Dresler K,van den Heuvel J,Müller RJ,Deckwer WD

更新日期：2006-08-01 00:00:00

abstract：:The bacteriostatic properties of carbon disulphide (CS₂) hamper its biodegradation in conventional biofilters. The response of four biofilters operating in downflow mode and reverse-flow mode was compared in a laboratory-scale plant treating CS₂ under sudden short-term changes in operating conditions. A process shutdo...

journal_title：Bioprocess and biosystems engineering

authors： Rojo N,Gallastegui G,Gurtubay L,Barona A,Elías A

更新日期：2013-04-01 00:00:00

abstract：:In the present investigation, growth kinetics of Kocuria marina DAGII during batch production of β-Cryptoxanthin (β-CRX) was studied by considering the effect of glucose and maltose as a single and binary substrate. The importance of mixed substrate over single substrate has been emphasised in the present study. Diffe...

journal_title：Bioprocess and biosystems engineering

authors： Mitra R,Chaudhuri S,Dutta D

更新日期：2017-01-01 00:00:00

abstract：:Large continuous flow bioreactors are often under the influence of noise in the feed stream(s). Prior removal of noise is done by filters based either on specific algorithms or on artificial intelligence. Neither method is perfect. Hybrid filters combine both methods and thereby capitalize on their strengths while min...

journal_title：Bioprocess and biosystems engineering

authors： Patnaik PR

更新日期：2007-05-01 00:00:00

abstract：:D-Amino acid oxidase is an important biocatalyst used in a variety of fields, and its economically justified level recombinant expression in Escherichia coli has not been established. To accomplish this, after a single Phe54Tyr substitution, fusion proteins of D-amino acid oxidase from Trigonopsis variabilis (TvDAO) w...

journal_title：Bioprocess and biosystems engineering

authors： Deng S,Su E,Ma X,Yang S,Wei D

更新日期：2014-08-01 00:00:00

abstract：:An alternating pumped sequencing batch biofilm reactor (APSBBR) system was developed to treat small-scale domestic wastewater. This laboratory system had two reactor tanks, Reactor 1 and Reactor 2, with two identical plastic biofilm modules in each reactor. Reactor 1 of the APSBBR had five operational phases--fill, an...

journal_title：Bioprocess and biosystems engineering

authors： Rodgers M,Zhan X,O'Reilly E

更新日期：2006-04-01 00:00:00

abstract：:Understanding process parameter interactions and their effects on mammalian cell cultivations is an essential requirement for robust process scale-up. Furthermore, knowledge of the relationship between the process parameters and the product critical quality attributes (CQAs) is necessary to satisfy quality by design g...

journal_title：Bioprocess and biosystems engineering

authors： Brunner M,Fricke J,Kroll P,Herwig C

更新日期：2017-02-01 00:00:00

abstract：:Chemical modification of lysine residues in Candida rugosa lipase (CRL) was carried out using five different functional ionic liquids, and about 15.4-25.0 % of the primary amino groups of lysine were modified. Enzymatic properties of the native and modified CRLs were investigated in olive oil hydrolysis reaction. Impr...

journal_title：Bioprocess and biosystems engineering

authors： Hu Y,Yang J,Jia R,Ding Y,Li S,Huang H

更新日期：2014-08-01 00:00:00