Modulation of lipase B from Candida antarctica properties via covalent immobilization on eco-friendly support for enzymatic kinetic resolution of rac-indanyl acetate.

abstract：:A highly efficient β-1,4-mannanase-secreting strain, Pholiota adiposa SKU0714, was isolated and identified on the basis of its morphological features and sequence analysis of internal transcribed spacer rDNA. P. adiposa β-1,4-mannanase was purified to homogeneity from P. adiposa culture supernatants by one-step chroma...

journal_title：Bioprocess and biosystems engineering

authors： Ramachandran P,Zhao Z,Singh R,Dhiman SS,Choi JH,Kim D,Haw JR,Lee JK

更新日期：2014-09-01 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：:Chemical composition and physical structure of solid substrate have significantly impacts on fermentation performance. The aqueous ammonia was used to pretreat rice straw. Furthermore, the feasibility of pretreatment to improve laccase production was also evaluated in terms of the enzymatic digestibility, chemical str...

journal_title：Bioprocess and biosystems engineering

authors： Li G,Fu Y,Dang W,Hu R,Xue H

更新日期：2019-04-01 00:00:00

abstract：:In this study, the silica nanoparticles surface was modified by carboxylic acid with different number of alkyl chain and two different lipases were immobilized on it to increase the glycerolysis activity of the immobilized lipases in organic solvent system. Silica nanoparticles of about 15 nm diameter were grafted wit...

journal_title：Bioprocess and biosystems engineering

authors： Singh AK,Mukhopadhyay M

更新日期：2018-01-01 00:00:00

abstract：:A two-phase dispersion technique, termed emulsification-internal gelation, is proposed for encapsulation of activated sludge in gellan gum microbeads. The influence of emulsion parameters on size distribution of microbeads was investigated. Mean diameter of microbeads varied within a range of 34-265 microm as a descen...

journal_title：Bioprocess and biosystems engineering

authors： Moslemy P,Guiot SR,Neufeld RJ

更新日期：2004-07-01 00:00:00

abstract：:Dissolved oxygen and pH are critical factors influencing cell growth and metabolism. In our previous work, we constructed the recombinant strain Mortierella alpina CCFM698, which has the ability to produce EPA at room temperature. However, our experiments showed that the dissolved oxygen produced by the aeration and a...

journal_title：Bioprocess and biosystems engineering

authors： Huang M,Chen H,Tang X,Lu H,Zhao J,Zhang H,Chen Y,Chen W

更新日期：2020-09-01 00:00:00

abstract：:Light and bacteria can be used in combination to enhance secondary metabolite production during fermentation. Red yeast rice powder (RYRP) was inoculated with Bacillus subtilis (B2) isolated from freshwater seafood and incubated under light-emitting diodes (LEDs) of different colors (blue, green, red, white), fluoresc...

journal_title：Bioprocess and biosystems engineering

authors： Elumalai P,Park YJ,Cho M,Shea PJ,Oh BT

更新日期：2019-04-01 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

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：:Menaquinone homologs (MK-n), that is, MK-4, MK-5, and MK-6, can be produced by the fermentation of Flavobacterium. In this study, we proposed a simple and efficient method for the extraction of menaquinones from wet cells without the process of drying the biomass. Meanwhile, a rapid and effective solution for the sepa...

journal_title：Bioprocess and biosystems engineering

authors： Wei H,Zhao G,Liu H,Wang H,Ni W,Wang P,Zheng Z

更新日期：2018-01-01 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：:(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 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：:The performance of down-flow hanging sponge (DHS) system treating UASB reactor effluent at different sponge volume of 38.2, 28.7, 19.1 and 9.6% was investigated. The hydraulic retention time (HRT) and flow rate were kept constant at 2.6 h and 0.46 m(3)/day, respectively. The results obtained indicated that reducing th...

journal_title：Bioprocess and biosystems engineering

authors： Tawfik A,Ohashi A,Harada H

更新日期：2010-09-01 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：: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：:Tissue engineered constructs reported to date have been prepared primarily from poly(glycolic) acid or collagen scaffolds onto which cells are grown and matured. In this paper we report experimental data to demonstrate the use of a natural, human protein, as a tubular scaffold for vascular grafting. Using a manual and...

journal_title：Bioprocess and biosystems engineering

authors： Harding SI,Afoke A,Brown RA,MacLeod A,Shamlou PA,Dunnill P

更新日期：2002-04-01 00:00:00

abstract：:This study introduces an effective method to deposit polypyrrole (PPy) on graphite felt (GF) as anode to improve the start-up performance of microbial fuel cells (MFCs). The results of scanning electron microscope (SEM) and electrochemical testing reveal that polypyrrole is able to improve the electrical conductivity ...

journal_title：Bioprocess and biosystems engineering

authors： Pu KB,Lu CX,Zhang K,Zhang H,Chen QY,Wang YH

更新日期：2020-03-01 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：: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：:Complementary DNA (cDNA) encoding the new versatile peroxidase from the ligninolytic basidiomycete Pleurotus eryngii has been expressed in the ascomycete Emericella nidulans. In recombinant E. nidulans cultures, the pH reached values as high as 8.3, correlating with a sharp decrease in peroxidase activity. Peroxidase ...

journal_title：Bioprocess and biosystems engineering

authors： Lú-Chau TA,Ruiz-Dueñas FJ,Camarero S,Feijoo G,Martínez MJ,Lema JM,Martínez AT

更新日期：2004-10-01 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：:A novel and efficient facultative anaerobic denitrifying bacterium was isolated and identified as Pseudomonas citronellolis WXP-4. The strain WXP-4 could achieve 100% nitrate and nitrite removal efficiency utilizing sodium succinate as a carbon source, C/N ratio 7, pH 7.0, and temperature 40 °C under both aerobic and ...

journal_title：Bioprocess and biosystems engineering

authors： Wang X,Duo Y,He J,Yao J,Qian H,Hrynsphan D,Tatsiana S,Chen J

更新日期：2020-05-01 00:00:00

abstract：:The β-glucanase produced from Bacillus sp. CSB55 not only depicts the potent industrial characteristics but also relates as bio-industrial catalyst supporting the spontaneous formation of the products, high hydrolytic efficiency, and feasibility of the enzymatic reaction. A homogeneous β-glucanase (GluB55) was purifie...

journal_title：Bioprocess and biosystems engineering

authors： Regmi S,Choi YS,Kim YK,Khan MM,Lee SH,Choi YH,Cho SS,Jin YY,Yoo JC,Suh JW

更新日期：2020-02-01 00:00:00

abstract：:Gamma-aminobutyric acid (GABA) production by free and Ca-alginate encapsulated cells of Enterococcus faecium CFR 3003 was investigated. Mass transfer rates characterizing the GABA production process using encapsulated cells were investigated. Experiments were performed to investigate external film and internal pore di...

journal_title：Bioprocess and biosystems engineering

authors： Divyashri G,Prapulla SG

更新日期：2015-03-01 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：:Staphylococcal enterotoxin B (SEB) is one of many toxins produced by the Gram-positive bacterium Staphylococcal aureus. While SEB is known as the causative agent of certain food poisonings it is also considered abiological select agent. Thus, rapid and accurate identification of SEB during either surveillance or in re...

journal_title：Bioprocess and biosystems engineering

authors： Chen ZG

更新日期：2008-06-01 00:00:00

abstract：:In this study, the microalga Chlorella saccharophila was subjected to ultraviolet (UV) mutagenesis, and mutant screening was conducted based on acidity tolerance to generate mutants with increased triacylglycerol (TAG) and polyunsaturated fatty acid (PUFA) contents. Two improved mutant strains (M1 and M5) were generat...

journal_title：Bioprocess and biosystems engineering

authors： Teco-Bravo JI,Barahona-Pérez LF,Reyes-Sosa CF,Ku-González ÁF,Herrera-Valencia VA,Peraza-Echeverria S

更新日期：2019-10-01 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 yield of ethanol from oil palm empty fruit bunches (EFB) was increased on exploiting maleic acid pretreatment combined with fermentation of the pretreated whole slurry. The optimized conditions for pretreatment were to expose EFB to a high temperature (190 °C) with 1 % (w/v) maleic acid for a short time duration (...

journal_title：Bioprocess and biosystems engineering

authors： Jung YH,Kim IJ,Kim HK,Kim KH

更新日期：2014-04-01 00:00:00