Optimization and production of pyrrolidone antimicrobial agent from marine sponge-associated Streptomyces sp. MAPS15.

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 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：:The paper describes a recombinant Schneider 2 (rS2) cell culture and protein expression in a bioreactor. S2 cells were transfected with a plasmid containing a fusion protein (human mu opioid receptor, hMOR, and green fluorescent protein, EGFP) under the control of inducible metallothionein promoter. A bioprocess in a ...

journal_title：Bioprocess and biosystems engineering

authors： Brillet K,da Conceição MM,Pattus F,Pereira CA

更新日期：2006-04-01 00:00:00

abstract：:An engineered Escherichia coli strain was developed for enhanced isoprene production using D-galactose as substrate. Isoprene is a valuable compound that can be biosynthetically produced from pyruvate and glyceraldehyde-3-phosphate (G3P) through the methylerythritol phosphate pathway (MEP). The Leloir and De Ley-Doudo...

journal_title：Bioprocess and biosystems engineering

authors： Ramos KR,Valdehuesa KN,Liu H,Nisola GM,Lee WK,Chung WJ

更新日期：2014-12-01 00:00:00

abstract：:Antrodia cinnamomea has recently become a well-known medicinal mushroom in Taiwan. Bioactive compounds found in A. cinnamomea include: polysaccharide, sesquiterpene lactone, steroids and triterpenoids. The aim of this study was to evaluate the feasibility of adding citrus peel extract to enhance the formation of bioac...

journal_title：Bioprocess and biosystems engineering

authors： Yang FC,Ma TW,Chuang YT

更新日期：2012-10-01 00:00:00

abstract：:MnS is a p-type semiconductor with both antiferromagnetism and wide band gap, endowing it potential applications for short wavelength optoelectronic devices, solar cells and luminescent materials. Despite successful biosynthesis of nano CdS, PbS and ZnS with extremely low solubility product, there have been no reports...

journal_title：Bioprocess and biosystems engineering

authors： Liu X,Wang J,Yue L,Xin B,Chen S,Dai J,Wang R,Wang Y

更新日期：2015-02-01 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：:(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：:For the construction of an efficient copper waste treatment system, a cell surface display strategy was employed. The copper adsorption ability of recombinant bacterial strains displaying three different copper binding peptides were evaluated in LB Luria-Bertani medium (LB), artificial wastewater, and copper phthalocy...

journal_title：Bioprocess and biosystems engineering

authors： Maruthamuthu MK,Nadarajan SP,Ganesh I,Ravikumar S,Yun H,Yoo IK,Hong SH

更新日期：2015-11-01 00:00:00

abstract：:Several carbon sources were investigated for the production of 1,3-propanediol (PDO) and 2,3-butanediol (BDO) simultaneously, using an isolated indigenous Klebsiella sp. Ana-WS5. The results indicate that glycerol is a suitable carbon source for both BDO and PDO production. Further investigation suggests that adjustme...

journal_title：Bioprocess and biosystems engineering

authors： Yen HW,Li FT,Wong CL,Chang JS

更新日期：2014-03-01 00:00:00

abstract：:A kinetic model for glucose and xylose co-substrate uptake in Saccharomyces cerevisiae is presented. The model couples the enzyme kinetics with the glucose-dependent genetic expression of the individual transport proteins. This novel approach implies several options for optimizing the co-substrate utilization. Interes...

journal_title：Bioprocess and biosystems engineering

authors： Bertilsson M,Andersson J,Lidén G

更新日期：2008-06-01 00:00:00

abstract：:In this study, a microbial consortium from an acid-treated rumen fluid was used to improve the yields of H2 production from paper residues in batch reactors. The anaerobic batch reactors, which contained paper and cellulose, were operated under three conditions: (1) 0.5 g paper/L, (2) 2 g paper/L, and (3) 4 g paper/L....

journal_title：Bioprocess and biosystems engineering

authors： Botta LS,Ratti RP,Sakamoto IK,Ramos LR,Silva EL,Varesche MB

更新日期：2016-12-01 00:00:00

abstract：:Bacillusfirmus strain 37 produces the cyclomaltodextrin glucanotransferase (CGTase) enzyme and CGTase produces cyclodextrins (CDs) through a starch cyclization reaction. The strategy for the cloning and expression of recombinant CGTase is a potentially viable alternative for the economically viable production of CGTas...

journal_title：Bioprocess and biosystems engineering

authors： Gimenez GG,Costa H,de Lima Neto QA,Fernandez MA,Ferrarotti SA,Matioli G

更新日期：2019-04-01 00:00:00

abstract：:Horseradish peroxidase (HRP) was immobilized on the polyaniline (PANI) grafted polyacrylonitrile (PAN) films. The maximum HRP immobilization capacity of the PAN-g-PANI-3 film was 221 μg/cm(2). The HRP-immobilized PAN-g-PANI-3 film retained 79 % of the activity of the same quantity free enzyme. The HRP-immobilized PAN-...

journal_title：Bioprocess and biosystems engineering

authors： Bayramoglu G,Altintas B,Yakup Arica M

更新日期：2012-10-01 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：: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：:We used an aqueous leaf extract of Camellia sinensis to synthesize Ag nanoparticles (AgNPs). A layer of ca. 6 nm around a group of the AgNPs in which the inner layer is bound to the AgNPs surface via the hydroxyl groups of catechin has been observed. TEM analysis of AgNPs showed the formation of truncated triangular n...

journal_title：Bioprocess and biosystems engineering

authors： Hussain S,Khan Z

更新日期：2014-07-01 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：: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：:Bio-catalytic in vitro multistep reactions can be combined in a single step in one pot by optimizing multistep reactions under identical reaction condition. Using this analogy, the process of making PEGylated insulin, IN-105, was simplified. Instead of taking the purified active insulin bulk powder as the starting mat...

journal_title：Bioprocess and biosystems engineering

authors： Hazra P,Chatterjee A,Shabandri Q,Adhikary L,Dave N,Buddha M

更新日期：2012-10-01 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：: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：:This work proposes a committee of Cascade Correlation neural networks as an online smoother for random measurement noise. The goals of this paper are twofold: first it intends to explore the possibilities of using a constructive neural network algorithm to learn how to filter typical noisy data from a bioreactor, CO(2...

journal_title：Bioprocess and biosystems engineering

authors： Giordano RC,Bertini JR Jr,Nicoletti MC,Giordano RL

更新日期：2008-02-01 00:00:00

abstract：:Lysozyme, a type of natural enzyme, has been widely used for bacteriostatic functionalization of various materials due to its efficient and selective antibacterial properties. Herein, we report the preparation and characterization of an eco-friendly antibacterial textile based on the immobilization of lysozyme from ch...

journal_title：Bioprocess and biosystems engineering

authors： Yang W,Zhang N,Wang Q,Wang P,Yu Y

更新日期：2020-09-01 00:00:00

abstract：:The novel magnetic nanobeads with epoxy groups on the surface were prepared from glycidyl methacrylate (GMA), ethylene glycol dimethacrylate (EGDMA) and hydroxyethyl methacrylate (HEMA) via emulsifier-free emulsion polymerisation, and they were characterized by scanning electron microscopy and vibrating sample magneto...

journal_title：Bioprocess and biosystems engineering

authors： Liu H,Liu J,Tan B,Zhou F,Qin Y,Yang R

更新日期：2012-10-01 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：:Polyhydroxyalkanoates (PHAs) are biological plastics that are sustainable alternative to synthetic ones. Numerous microorganisms have been identified as PHAs producers. They store PHAs as cellular inclusions to use as an energy source backup. They can be produced in shake flasks and in bioreactors under defined fermen...

journal_title：Bioprocess and biosystems engineering

authors： Raza ZA,Tariq MR,Majeed MI,Banat IM

更新日期：2019-06-01 00:00:00

abstract：:The aim of this study was to investigate the efficacy of a hybrid biofilm pilot-scale treatment plant, designed with a novel configuration by the integration of a fixed-film system, to improve nitrogen removal. The pilot-scale system was established at a wastewater treatment plant in Istanbul and operated based on str...

journal_title：Bioprocess and biosystems engineering

authors： Güneş G,Hallaç E,Özgan M,Ertürk A,Okutman Taş D,Çokgor E,Güven D,Takacs I,Erdinçler A,Insel G

更新日期：2019-03-01 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：:L-aspartate ammonia-lyase from Bacillus sp. YM55-1 (AspB, EC 4.3.1.1) catalyzes the reversible conversion of L-aspartate (Asp) into fumarate and ammonia with a high specific activity toward the substrate. AspB was expressed in Escherichia coli and partially purified by heat precipitation and saturation with ammonium s...

journal_title：Bioprocess and biosystems engineering

authors： Cárdenas-Fernández M,López C,Alvaro G,López-Santín J

更新日期：2012-10-01 00:00:00