Changes in morphology of Rhizopus chinensis in submerged fermentation and their effect on production of mycelium-bound lipase.

abstract：:Escherichia coli AFP111, a pflB, ldhA, ptsG triple mutant of E. coli W1485, can be recovered for additional succinate production in fresh medium after two-stage fermentation (an aerobic growth stage followed by an anaerobic production stage). However, the specific productivity is lower than that of two-stage fermentat...

journal_title：Bioprocess and biosystems engineering

authors： Ma JF,Jiang M,Chen KQ,Xu B,Liu SW,Wei P,Ying HJ,Chang HN,Ouyang PK

更新日期：2011-05-01 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：:This work aimed to develop an optimal carbon source feeding strategy to achieve maximal production of heparosan as a precursor of bioengineered heparin by Escherichia coli K5. Glycerol gave higher heparosan titer and productivity compared to glucose. The maximum heparosan production (187 mg/L) and heparosan productivi...

journal_title：Bioprocess and biosystems engineering

authors： Liu Y,Liu L,Chen J,Li J,Du G,Chen J

更新日期：2012-09-01 00:00:00

abstract：:Commercial lipase from Thermomyces lanuginosus has been immobilized on glutaraldehyde-activated rice husk particles via covalent attachment. It was reached maximum immobilized protein concentration of 27.5 ± 1.8 mg g-1 of dry support using the initial protein loading of 40 mg g-1 of support. The immobilized biocatalys...

journal_title：Bioprocess and biosystems engineering

authors： Lima LCD,Peres DGC,Mendes AA

更新日期：2018-07-01 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：: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：:Vitamin B12 is a crucial fine chemical that is widely used in the pharmaceutical, food and chemical industries, and its production solely dependents on microbial fermentation. We previously constructed an artificial vitamin B12 biosynthesis pathway in Escherichia coli, but the yield of the engineered strains was low. ...

journal_title：Bioprocess and biosystems engineering

authors： Li D,Fang H,Gai Y,Zhao J,Jiang P,Wang L,Wei Q,Yu D,Zhang D

更新日期：2020-10-01 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：:Penicillin G acylase (PGA) from Kluyvera citrophila immobilized on Amberzyml was used for enantioselective hydrolysis of N-phenylacetylated-DL-tert-leucine (N-Phac-DL-Tle) to produce L-tert-leucine (L-Tle). The effects of various organic cosolvents on hydrolysis of N-Phac-DL-Tle have been investigated in aqueous-cosol...

journal_title：Bioprocess and biosystems engineering

authors： Liu SL,Wei DZ,Song QX,Zhang YW,Wang XD

更新日期：2006-04-01 00:00:00

abstract：:This work is focused on the characterization of a commercial cellulase in terms of optimum pH and temperature, stability to pH and temperature and affinity of this enzyme to several substrates, determining the Michaelis-Menten parameters. Maximum activity of cellulase was obtained for the temperature range from 40 to ...

journal_title：Bioprocess and biosystems engineering

authors： Balsan G,Astolfi V,Benazzi T,Meireles MA,Maugeri F,Di Luccio M,Dal Prá V,Mossi AJ,Treichel H,Mazutti MA

更新日期：2012-09-01 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：:The sequence-characterized amplified region (SCAR) marker for simultaneous identification of Miscanthus sacchariflorus, Miscanthus sinensis, and Miscanthus x giganteus was developed. In this study, it was attempted for the first time to develop the SCAR marker for detecting the molecular phenotypes among Miscanthus sp...

journal_title：Bioprocess and biosystems engineering

authors： Kim JK,An GH,Ahn SH,Moon YH,Cha YL,Bark ST,Choi YH,Suh SJ,Seo SG,Kim SH,Koo BC

更新日期：2012-01-01 00:00:00

abstract：:This work studies the sequential execution of dilute sulfuric acid (DAP) (0.1-0.75 %, v/v) and dilute sodium hydroxide (AKP) (0.25-3 %, w/v) [i.e., DAP followed by AKP (DAP+AKP) and vice versa (AKP+DAP)] at low temperatures (<121 °C) and short reaction times (5-60 min) for maximizing sugar recovery in the enzymatic hy...

journal_title：Bioprocess and biosystems engineering

authors： Sanchez A,Gil JC,Rojas-Rejón OA,de Alba AP,Medina A,Flores R,Puente R

更新日期：2015-06-01 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 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：: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：:Organic matters are directly converted to electricity by microorganisms in microbial fuel cells (MFC). Modeling the performance of MFC sheds light on the behavior of MFC in various operational conditions (e.g. pH and temperature). In the present research, three voltage losses were considered for modeling of the MFC po...

journal_title：Bioprocess and biosystems engineering

authors： Kadivarian M,Karamzadeh M

更新日期：2020-03-01 00:00:00

abstract：:The present study focused on developing a wild-type actinomycete isolate as a model for a non-pathogenic filamentous producer of biosurfactants. A total of 33 actinomycetes isolates were screened and their extracellular biosurfactants production was evaluated using olive oil as the main substrate. Out of 33 isolates, ...

journal_title：Bioprocess and biosystems engineering

authors： Zambry NS,Ayoib A,Md Noh NA,Yahya ARM

更新日期：2017-07-01 00:00:00

abstract：:A novel β-1,3-1,4-glucanase gene was identified in Bacillus sp. SJ-10 (KCCM 90078) isolated from jeotgal, a traditional Korean fermented fish. We analysed the β-1,3-1,4-glucanase gene sequence and examined the recombinant enzyme. The open reading frame of the gene encoded 244 amino acids. The sequence was not identica...

journal_title：Bioprocess and biosystems engineering

authors： Kim YR,Kim EY,Lee JM,Kim JK,Kong IS

更新日期：2013-06-01 00:00:00

abstract：:The objective of this study was to evaluate ethanol production and bioadsorption with four red seaweeds, Gelidium amansii, Gracilaria verrucosa, Kappaphycus alvarezii and Eucheuma denticulatum. To produce ethanol, thermal acid hydrolysis, enzymatic saccharification and fermentation was carried out. After pretreatment,...

journal_title：Bioprocess and biosystems engineering

authors： Sunwoo IY,Ra CH,Jeong GT,Kim SK

更新日期：2016-06-01 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 mechanism of thermal inactivation about xanthine oxidase (XOD) from Arthrobacter M3 was investigated. Results of reducing SDS-PAGE indicated that the inactivation of XOD was not related to the peptide degradation. Meanwhile, fluorimetry and circular dichroism spectroscopy suggested that XOD inactivation might be a...

journal_title：Bioprocess and biosystems engineering

authors： Zhang Y,Xin Y,Yang H,Zhang L,Xia X,Tong Y,Chen Y,Wang W

更新日期：2014-04-01 00:00:00

abstract：:The performance of enriched sludge augmented with the B21 strain of Alcaligenes defragrans was compared with that of enriched sludge, as well as with pure Alcaligenes defragrans B21, in the context of a sulfur-oxidizing denitrification (SOD) process. In synthetic wastewater treatment containing 100-1,000 mg NO3-N/L, t...

journal_title：Bioprocess and biosystems engineering

authors： Flores A 3rd,Nisola GM,Cho E,Gwon EM,Kim H,Lee C,Park S,Chung WJ

更新日期：2007-05-01 00:00:00

abstract：:Pullulanase was extracellularly produced with an engineered Escherichia coli with a combined strategy. When auto-induction instead of isopropyl β-D-1-thiogalactopyranoside (IPTG) induction method was implemented, we observed increased extracellular activity (4.2 U ml(-1)) and cell biomass (7.95 g DCW l(-1)). Subsequen...

journal_title：Bioprocess and biosystems engineering

authors： Chen WB,Nie Y,Xu Y,Xiao R

更新日期：2014-04-01 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：:Sodium dodecyl sulfate (SDS) is a widely used anionic surfactant, which finds its way to the receiving water body due to the incapability of conventional wastewater treatment systems to completely remove it. A hybrid treatment system consisting of upflow microbial fuel cell (MFC) with titanium dioxide (TiO2) as a phot...

journal_title：Bioprocess and biosystems engineering

authors： Sathe SM,Bhowmick GD,Dubey BK,Ghangrekar MM

更新日期：2020-11-01 00:00:00

abstract：:The optimization of operating conditions for cellulose hydrolysis was systemically undertaken using an ultra-scaled down membrane bioreactor based on the parameter scanning ultrafiltration apparatus. The bioconversion of cellulose saccharification was carried out with freely suspended cellulase from Aspergillus niger ...

journal_title：Bioprocess and biosystems engineering

authors： Liu J,Lu J,Cui Z

更新日期：2011-06-01 00:00:00

abstract：:Maltose degrading enzyme was immobilized within agar-agar support via entrapment method due to its industrial utilization. The maximum immobilization efficiency (82.77%) was achieved using 4.0% agar-agar keeping the diameter of bead up to 3.0 mm. The matrix entrapment showed maximum catalytic activity at pH 7.0 and te...

journal_title：Bioprocess and biosystems engineering

authors： Nawaz MA,Karim A,Aman A,Marchetti R,Qader SA,Molinaro A

更新日期：2015-04-01 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：: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