Evaluation of sludge reduction by an environmentally friendly chemical uncoupler in a pilot-scale anaerobic/anoxic/oxic process.

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：:Boldenone (BD) is an important steroid hormone drug which is the derivative of testosterone. In this study, an ordered biotransformation method was proposed employing Arthrobacter simplex and recombinant Pichia pastoris with 17β-hydroxysteroid dehydrogenase from Saccharomyces cerevisiae to produce BD from androst-4-en...

journal_title：Bioprocess and biosystems engineering

authors： Tang R,Shen Y,Wang M,Zhou H,Zhao Y

更新日期：2019-06-01 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：:Sucrose from sugarcane is produced in abundance in Brazil, which provides an opportunity to manufacture other high-value products. Gluconic acid (GA) can be produced by multi-enzyme conversion of sucrose using the enzymes invertase, glucose oxidase, and catalase. In this process, one of the byproducts is fructose, whi...

journal_title：Bioprocess and biosystems engineering

authors： Mafra AC,Furlan FF,Badino AC,Tardioli PW

更新日期：2015-04-01 00:00:00

abstract：:A total monosaccharide concentration of 37.8 g/L and 85.9% conversion from total fermentable monosaccharides of 44.0 g/L from 110 g dw/L Eucheuma denticulatum slurry were obtained by thermal acid hydrolysis and enzymatic saccharification. Subsequent adsorption treatment to remove 5-hydroxymethylfurfural (5-HMF) using ...

journal_title：Bioprocess and biosystems engineering

authors： Ra CH,Kim MJ,Jeong GT,Kim SK

更新日期：2017-03-01 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：: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：:In this study, citric acid production from extract of Jerusalem artichoke tubers by the genetically engineered yeast Yarrowia lipolytica strain 30 was investigated. After the compositions of the extract of Jerusalem artichoke tubers for citric acid production were optimized, the results showed that natural components ...

journal_title：Bioprocess and biosystems engineering

authors： Wang LF,Wang ZP,Liu XY,Chi ZM

更新日期：2013-11-01 00:00:00

abstract：:Oxygen supply is crucial in industrial application of microbial systems, such as Corynebacterium glutamicum, but oxygen transfer is often neglected in early strain characterizations, typically done under aerobic conditions. In this work, a new procedure for oxygen transfer screening is presented, assessing the impact ...

journal_title：Bioprocess and biosystems engineering

authors： Käß F,Prasad A,Tillack J,Moch M,Giese H,Büchs J,Wiechert W,Oldiges M

更新日期：2014-12-01 00:00:00

abstract：:Menaquinone-7 (MK-7), a subtype of vitamin K, has received a significant attention due to its effect on improving bone and cardiovascular health. Current fermentation strategies, which involve static fermentation without aeration or agitation, are associated with low productivity and scale-up issues and hardly justify...

journal_title：Bioprocess and biosystems engineering

authors： Mahdinia E,Demirci A,Berenjian A

更新日期：2017-10-01 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：: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：:Population heterogeneity is omnipresent in all bioprocesses even in homogenous environments. Its origin, however, is only so well understood that potential strategies like bet-hedging, noise in gene expression and division of labour that lead to population heterogeneity can be derived from experimental studies simulat...

journal_title：Bioprocess and biosystems engineering

authors： Heins AL,Weuster-Botz D

更新日期：2018-07-01 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：:The kinetics of the enzymatic transesterification between a mixture of triglycerides (oils) and methanol for biodiesel production in a bis(2-ethylhexyl) sodium sulfosuccinate (AOT)/isooctane reversed micellar system, using recombinant cutinase from Fusarium solani pisi as a catalyst, was investigated. In order to desc...

journal_title：Bioprocess and biosystems engineering

authors： Badenes SM,Lemos F,Cabral JM

更新日期：2011-11-01 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：: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：: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：:Naturally mevalonate-resistant acetogen Clostridium sp. MT1243 produced only 425 mM acetate during syngas fermentation. Using Clostridium sp. MT1243 we engineered biocatalyst selectively producing mevalonate from synthesis gas or CO₂/H₂ blend. Acetate production and spore formation were eliminated from Clostridium sp....

journal_title：Bioprocess and biosystems engineering

authors： Kiriukhin M,Tyurin M

更新日期：2014-02-01 00:00:00

abstract：:ε-Poly-L-lysine (ε-PL), one of the only two homo-poly amino acids known in nature, is used as a preservative. In this study, strategies of feeding precursor L-lysine into 5 L laboratory scale fermenters, including optimization of L-lysine concentration and time, was investigated to optimize the production of ε-PL by S...

journal_title：Bioprocess and biosystems engineering

authors： Chen XS,Ren XD,Zeng X,Zhao FL,Tang L,Zhang HJ,Zhang JH,Mao ZG

更新日期：2013-12-01 00:00:00

abstract：:L-Lysine is an essential amino acid that can be produced by chemical processes from fossil raw materials, as well as by microbial fermentation, the latter being a more efficient and environmentally friendly procedure. In this work, the production process of L-lysine-HCl is studied using a systematic approach based on ...

journal_title：Bioprocess and biosystems engineering

authors： Anaya-Reza O,Lopez-Arenas T

更新日期：2017-07-01 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：:Bacillus subtilis TD6 was isolated from Takifugu rubripes, also known as puffer fish. Cellulase from this strain was partially purified by ammonium sulphate precipitation up to 80% saturation, entrapped in calcium alginate beads, and finally characterized using CMC as the substrate. For optimization, various parameter...

journal_title：Bioprocess and biosystems engineering

authors： Andriani D,Sunwoo C,Ryu HW,Prasetya B,Park DH

更新日期：2012-01-01 00:00:00

abstract：:Economical production of xylanase and three cellulases, endo-β-1,4-glucanase (CMCase), exo-β-1,4-glucanase (FPase), β-glucosidase (BGL) was studied in submerged fermentation using cane molasses medium. A statistical optimization approach involving Plackett-Burman design and response surface methodology (RSM) resulted ...

journal_title：Bioprocess and biosystems engineering

authors： Bala A,Singh B

更新日期：2016-01-01 00:00:00

abstract：:In this study, Escherichia coli cells overexpressing lysine decarboxylase (CadA) were used for cadaverine production. Barium alginate was selected as a matrix for immobilization of E. coli YH91. Free cells and immobilized cells (IC) were characterized for their physiochemical properties, and the optimum pH and tempera...

journal_title：Bioprocess and biosystems engineering

authors： Bhatia SK,Kim YH,Kim HJ,Seo HM,Kim JH,Song HS,Sathiyanarayanan G,Park SH,Park K,Yang YH

更新日期：2015-12-01 00:00:00

abstract：:A new protein assay system for the antigen-antibody interaction was developed by immobilization of carcinoembryonic antibody (anti-CEA) onto magnetic-core/gold-shell nanoparticles-functionalized biomimetic interface on multiporous polythionine modified magnetic carbon paste electrodes (MCPE). Differential pulse voltam...

journal_title：Bioprocess and biosystems engineering

authors： Tang D,Yuan R,Chai Y

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：: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：:Experiments carried out with the dissolved oxygen tension (DOT) maintained during fermentation at 0, 10, 50, 70 and 100% showed a direct effect of the dissolved oxygen levels on weissellin A production with no correlative increase on biomass. An estimate of the yield of weissellin A per gram biomass revealed the 50% D...

journal_title：Bioprocess and biosystems engineering

authors： Papagianni M

更新日期：2012-08-01 00:00:00