Regulation of docosahexaenoic acid production by Schizochytrium sp.: effect of nitrogen addition.

abstract：:Bacteria from Patagonian Merino wool were isolated to assess their wool-keratinolytic activity and potential for felt-resist treatments. Strains from Bacillus, Exiguobacterium, Deinococcus, and Micrococcus produced wool-degrading enzymes. Bacillus sp. G51 showed the highest wool-keratinolytic activity. LC-MS/MS analys...

journal_title：Bioprocess and biosystems engineering

authors： Iglesias MS,Sequeiros C,García S,Olivera NL

更新日期：2017-06-01 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：: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：: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：:Broad-spectrum antibodies can effectively recognize substances with similar structures and have broad application prospects in field rapid detection. In this study, broad-spectrum antibodies (Abs) against organophosphorus pesticides (OPs) were used as sensitive recognition elements, which could effectively recognize m...

journal_title：Bioprocess and biosystems engineering

authors： Dong H,Zhao Q,Li J,Xiang Y,Liu H,Guo Y,Yang Q,Sun X

更新日期：2020-11-08 00:00:00

abstract：:Membrane bioreactors (MBR) are being increasingly used for wastewater treatment. Mathematical modeling of MBR systems plays a key role in order to better explain their characteristics. Several MBR models have been presented in the literature focusing on different aspects: biological models, models which include solubl...

journal_title：Bioprocess and biosystems engineering

authors： Cosenza A,Mannina G,Neumann MB,Viviani G,Vanrolleghem PA

更新日期：2013-04-01 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：:Fibrinolytic proteases are enzymes that degrade fibrin. They provide a promising alternative to existing drugs for thrombolytic therapy. A protease isolated from the filamentous fungus Mucor subtilissimus UCP 1262 was purified in three steps by ammonium sulfate fractionation, ion exchange, and molecular exclusion chro...

journal_title：Bioprocess and biosystems engineering

authors： Nascimento TP,Sales AE,Porto TS,Costa RMPB,Breydo L,Uversky VN,Porto ALF,Converti A

更新日期：2017-08-01 00:00:00

abstract：:Selected biodegradable municipal solid waste fractions were subjected to fifteen different pre-hydrolysis treatments to obtain the highest glucose yield for bio-ethanol production. Pre-hydrolysis treatments consisted of dilute acid (H(2)SO(4), HNO(3) or HCl, 1 and 4%, 180 min, 60 degrees C), steam treatment (121 and 1...

journal_title：Bioprocess and biosystems engineering

authors： Li A,Antizar-Ladislao B,Khraisheh M

更新日期：2007-05-01 00:00:00

abstract：:The effect of several solvents present in a biphasic reaction system on cells of Rhodococcus erythropolis DCL14, Xanthobacter Py2, Arthrobacter simplex and Mycobacterium sp. NRRL B-3805 was evaluated. These four strains have been widely exploited, from bioremediation to the production of fine chemicals, in two-phase r...

journal_title：Bioprocess and biosystems engineering

authors： de Carvalho CC,da Fonseca MM

更新日期：2004-12-01 00:00:00

abstract：:The effluent from the biogas process was tested as a nutrient source during cultivation of the protein-rich and edible microalgae Spirulina (Arthrospira platensis) and compared with conventional Spirulina medium. Equal biomass production was observed until late exponential phase and no significant differences could be...

journal_title：Bioprocess and biosystems engineering

authors： Hultberg M,Lind O,Birgersson G,Asp H

更新日期：2017-04-01 00:00:00

abstract：:Lactococcus lactis spp. lactis and Lactococcus lactis spp. cremoris are widely used in the manufacture of fermented milk. These strains were compared for production of Dipeptidyl Peptidase IV (DPP IV) enzyme in terms of enzyme activity, specific growth rates and productivity. Lactococcus lactis spp. lactis was produce...

journal_title：Bioprocess and biosystems engineering

authors： Ustün O,Ongen G

更新日期：2012-10-01 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：:Microbial lipid produced using yeast fermentation with inexpensive carbon sources such as lignocellulosic hydrolyzate can be an alternative feedstock for biodiesel production. Several inhibitors that can be generated during acid hydrolysis of lignocellulose were added solely or together into the culture medium to stud...

journal_title：Bioprocess and biosystems engineering

authors： Zhao X,Peng F,Du W,Liu C,Liu D

更新日期：2012-08-01 00:00:00

abstract：:We propose an adaptive control law that allows one to identify unstable steady states of the open-loop system in the single-species chemostat model without the knowledge of the growth function. We then show how one can use this control law to trace out (reconstruct) the whole graph of the growth function. The process ...

journal_title：Bioprocess and biosystems engineering

authors： Sieber J,Rapaport A,Rodrigues S,Desroches M

更新日期：2013-10-01 00:00:00

abstract：:Biological synthesis of succinic acid at low pH values was favored since it not only decreased investment cost but also simplified downstream purification process. In this study, the feasibility of using glutamate decarboxylase system to improve succinic acid production of Escherichia coli AFP111, a succinate-producin...

journal_title：Bioprocess and biosystems engineering

authors： Wu M,Li X,Guo S,Lemma WD,Zhang W,Ma J,Jia H,Wu H,Jiang M,Ouyang P

更新日期：2017-04-01 00:00:00

abstract：:(R)-2-hydroxy-4-phenylbutyric acid (R-HPBA) is a valuable intermediate for the synthesis of angiotensin-converting enzyme inhibitors. The asymmetric reduction of 2-oxo-4-phenylbutyric acid (OPBA) by oxidoreductases is an efficient approach for its synthesis. Here, we report a novel biocatalytic approach for asymmetric...

journal_title：Bioprocess and biosystems engineering

authors： Wang X,Yu Z,Tang J,Yi D,Chen S

更新日期：2018-09-01 00:00:00

abstract：:The lack of sensors for some relevant state variables in fermentation processes can be coped by developing appropriate software sensors. In this work, NARX-ANN, NARMAX-ANN, NARX-SVM and NARMAX-SVM models are compared when acting as software sensors of biomass concentration for a solid substrate cultivation (SSC) proce...

journal_title：Bioprocess and biosystems engineering

authors： Acuña G,Ramirez C,Curilem M

更新日期：2014-01-01 00:00:00

abstract：:Novel strategies to facilitate the transition from batch to continuous simultaneous saccharification and fermentation were studied in this work. Implementing these strategies in bioethanol production plants to change production to a continuous mode will avoid large modifications in the process configuration. Therefore...

journal_title：Bioprocess and biosystems engineering

authors： López-Abelairas M,Pena R,Fleischhacker L,Lú-Chau TA,Lema JM

更新日期：2013-12-01 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：: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：:A strain designated M866, producing kojic acid with a high yield, was obtained by combining induced mutation using ion beam implantation and ethyl methane sulfonate treatment of a wild type strain of Aspergillus oryzae B008. The amount of kojic acid produced by the strain M866 in a shaking flask was 40.2 g/L from 100 ...

journal_title：Bioprocess and biosystems engineering

authors： Yan S,Tang H,Wang S,Xu L,Liu H,Guo Y,Yao J

更新日期：2014-06-01 00:00:00

abstract：:Broken rice, pretreated by enzymatic extrusion liquefaction, was used to produce Chinese rice wine by simultaneous saccharification and fermentation (SSF) process in this study. The study compared the novel process and traditional process for Chinese rice wine fermentation utilizing broken rice and head rice, respecti...

journal_title：Bioprocess and biosystems engineering

authors： Li H,Jiao A,Xu X,Wu C,Wei B,Hu X,Jin Z,Tian Y

更新日期：2013-08-01 00:00:00

abstract：:Lignin-modifying enzymes have various promising applications such as biobleaching, biopulping, the functionalization of lignocellulosic materials, the modification of wood fibers, the remediation of contaminated soil and effluents, as well as improvement of the enzymatic hydrolysis of lignocellulosic substrates. In th...

journal_title：Bioprocess and biosystems engineering

authors： Moilanen U,Winquist E,Mattila T,Hatakka A,Eerikäinen T

更新日期：2015-01-01 00:00:00

abstract：:The effectiveness of coil UV reactor series for the online sterilization of cheese whey was compared to those of the single conventional and coil reactors at various flow rates (5-70 mL/min). The residence time varied from 168 to 12 min and from 48 to 24 min for the single and the series reactors, respectively. Hundre...

journal_title：Bioprocess and biosystems engineering

authors： Singh JP,Ghaly AE

更新日期：2006-10-01 00:00:00

abstract：:UV photolysis was used to relieve inhibition of biomass growth by sulfadiazine (SD), a broad-spectrum anti-microbial. To investigate the effects of SD on biomass growth, three substrates-glucose alone (G), glucose plus sulfadiazine (G+SD), and glucose plus photolyzed SD (G+PSD)-were used to culture the bacteria acclim...

journal_title：Bioprocess and biosystems engineering

authors： Pan S,Yan N,Zhang Y,Rittmann BE

更新日期：2015-05-01 00:00:00

abstract：:Mate (Ilex paraguariensis) is an important natural product in the economic and cultural context of Brazil. Peroxidase and polyphenol oxidase have been responsible for quality deterioration and browning in mate. The objective of this work was to investigate a methodology of extraction and enzymatic activity determinati...

journal_title：Bioprocess and biosystems engineering

authors： Ceni GC,Baldissera EM,Antunes OA,Vladimir Oliveira J,Dariva C,de Oliveira D

更新日期：2008-10-01 00:00:00

abstract：:A whole-cell biocatalytic process for uridine 5'-monophosphate (UMP) production from orotic acid by Saccharomyces cerevisiae was developed. To rationally redistribute the metabolic flux between glycolysis and pentose phosphate pathway, statistical methods were employed first to find out the critical factors in the pro...

journal_title：Bioprocess and biosystems engineering

authors： Liu D,Chen Y,Li A,Xie J,Xiong J,Bai J,Chen X,Niu H,Zhou T,Ying H

更新日期：2012-06-01 00:00:00

abstract：:Soybean carbohydrate is often found to limit the use of protein in soy flour as food and animal feed due to its indigestibility to monogastric animal. In the current study, an enzymatic process was developed to produce not only soy protein concentrate and soy protein isolate without indigestible carbohydrate but also ...

journal_title：Bioprocess and biosystems engineering

authors： Loman AA,Islam SM,Li Q,Ju LK

更新日期：2016-10-01 00:00:00

abstract：:Polyunsaturated fatty acids (PUFAs) are valuable ingredients in the food and pharmaceutical products due to their beneficial influence on human health. Most studies paid attention on the production of PUFAs from oleaginous micro-organisms but seldom on the comparative proteomics of cells. In the study, three methods (...

journal_title：Bioprocess and biosystems engineering

authors： Ling X,Guo J,Zheng C,Ye C,Lu Y,Pan X,Chen Z,Ng IS

更新日期：2015-12-01 00:00:00