Biotreatment of acidic zinc- and copper-containing wastewater using ethanol-fed sulfidogenic anaerobic baffled reactor.

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：:The effects of light, pH and organic carbon sources were investigated on hydrogen production by algae. An optical fiber was examined as an internal light source. The optical fiber rendered prolonged lag time and total time of hydrogen production. The optimal pH to produce hydrogen for Chlorella sp. was 8.0. Glucose, f...

journal_title：Bioprocess and biosystems engineering

authors： Rashid N,Lee K,Han JI,Gross M

更新日期：2013-07-01 00:00:00

abstract：:Twenty-nine actinobacterial strains were isolated from marine sponge Spongia officinalis and screened for antagonistic activity against various bacterial and fungal pathogens. The active antibiotic producer MAPS15 was identified as Streptomyces sp. using 16S rRNA phylogenetic analysis. The critical control factors wer...

journal_title：Bioprocess and biosystems engineering

authors： Sathiyanarayanan G,Gandhimathi R,Sabarathnam B,Seghal Kiran G,Selvin J

更新日期：2014-03-01 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：: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：:In this study, a new-generation subsurface upflow wetland (SUW) system packed with the unique sorption media was introduced for nutrient removal. To explore the interface between hydraulic and environmental performance, a tracer study was carried out in concert with a transport model to collectively provide hydraulic ...

journal_title：Bioprocess and biosystems engineering

authors： Chang NB,Xuan Z,Wanielista MP

更新日期：2012-03-01 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：:Exogenous enzymes are extraneous enzymes that are not intrinsic to the subject. The exogenous enzyme industry has been rapidly developing recently. Successful application of recombinant DNA amplification, high-efficiency expression, and immobilization technology to genetically engineered bacteria provides a rich sourc...

journal_title：Bioprocess and biosystems engineering

authors： Yuan B,Zhou S,Liu C,Zhang S,Li J,Liu A

更新日期：2020-11-04 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 yeast Rhodotorula glutinis was examined for its ability to remove Pb(2+) from aqueous solution. Within 10 min of contact, Pb(2+) sorption reached nearly 80% of the total Pb(2+) sorption. The optimum initial pH value for removal of Pb(2+ )was 4.5-5.0. The percentage sorption increased steeply with the biomass conce...

journal_title：Bioprocess and biosystems engineering

authors： Cho DH,Kim EY

更新日期：2003-03-01 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：:Rice straw is one of the most abundant renewable energy sources available. Through anaerobic acidogenesis, the substance of rice straw can be converted to volatile fatty acids (VFAs). VFAs itself is of value and is a precursor to biofuels. Hence, it can be converted to mixed alcohols by addition of hydrogen, and biodi...

journal_title：Bioprocess and biosystems engineering

authors： Park GW,Seo C,Jung K,Chang HN,Kim W,Kim YC

更新日期：2015-06-01 00:00:00

abstract：:A metabolic network was constructed for the Acremonium chrysogenum cultivation fed with soybean oil. Metabolic flux analysis indicated that the shift from exponential growth to rapid cephalosporin C (CPC) formation was accompanied by 1.63- and 5-fold carbon flux enlargement in TCA cycle and glyoxylate by-pass, respect...

journal_title：Bioprocess and biosystems engineering

authors： Li J,Yang Y,Chu J,Huang M,Li L,Zhang X,Wang Y,Zhuang Y,Zhang S

更新日期：2010-11-01 00:00:00

abstract：:The major nutrients, pH and temperature were evaluated for the exopolysaccharide (EPS) production by Daedalea dickinsii in submerged culture to derive an optimal medium composition and conditions as follows: 50 g/L maltose, 5 g/L soy peptone, 5 mM CaCl(2), at pH 6.0 and 28 °C. A purified EPS fraction was attained from...

journal_title：Bioprocess and biosystems engineering

authors： Mao DB,Shi CW,Wu JY,Xu CP

更新日期：2014-07-01 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：:Recently, several studies have been published on the application of plasmid DNA (pDNA) in gene therapy and vaccine production. The bioprocess to obtain pDNA involves the steps of fermentation, primary recovery, secondary recovery and final purification. The pDNA primary recovery, which is the key step to the rest of t...

journal_title：Bioprocess and biosystems engineering

authors： Padilla-Zamudio A,Guerrero-Germán P,Tejeda-Mansir A

更新日期：2015-06-01 00:00:00

abstract：:Phosphatidylserine is widely used in food, health, chemical and pharmaceutical industries. The phospholipase D-mediated green synthesis of phosphatidylserine has attracted substantial attention in recent years. In this study, the phospholipase D was heterologously expressed in Bacillus subtilis, Pichia pastoris, and C...

journal_title：Bioprocess and biosystems engineering

authors： Hou HJ,Gong JS,Dong YX,Qin J,Li H,Li H,Lu ZM,Zhang XM,Xu ZH,Shi JS

更新日期：2019-07-01 00:00:00

abstract：:The stereoselective three-enzyme cascade for the one-pot synthesis of (1S,2S)-1-phenylpropane-1,2-diol ((1S,2S)-1-PPD) from inexpensive starting substrates, benzaldehyde and acetaldehyde, was explored. By coupling stereoselective carboligation catalyzed by benzoylformate decarboxylase (BFD), L-selective reduction of a...

journal_title：Bioprocess and biosystems engineering

authors： Presečki AV,Pintarić L,Švarc A,Vasić-Rački Đ

更新日期：2018-06-01 00:00:00

abstract：:Fibrous poly(styrene-b-glycidylmethacrylate) brushes were grafted on poly(styrene-divinylbenzene) (P(S-DVB)) beads using surface-initiated atom transfer radical polymerization. Tetraethyldiethylenetriamine (TEDETA) ligand was incorporated on P(GMA) block. The ligand attached beads were used for reversible immobilizati...

journal_title：Bioprocess and biosystems engineering

authors： Bayramoglu G,Karagoz B,Altintas B,Arica MY,Bicak N

更新日期：2011-08-01 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：: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：: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：:Simultaneous organics removal and bio-electrochemical denitrification using a microbial fuel cell (MFC) reactor were investigated in this study. The electrons produced as a result of the microbial oxidation of glucose in the anodic chamber were transferred to the anode, which then flowed to the cathode in the cathodic...

journal_title：Bioprocess and biosystems engineering

authors： Jia YH,Tran HT,Kim DH,Oh SJ,Park DH,Zhang RH,Ahn DH

更新日期：2008-06-01 00:00:00

abstract：:A carbon membrane-aerated biofilm reactor (CMABR) was developed to treat synthetic wastewater. Such membrane exhibited a high degree of adhesion and good permeability. Continuous experiments showed that COD and NH4(+)-N removal efficiency were 90 +/- 2 and 92 +/- 4% at removal rates of 35.6 +/- 3.8 g COD/m2 per day an...

journal_title：Bioprocess and biosystems engineering

authors： Liu H,Yang F,Wang T,Liu Q,Hu S

更新日期：2007-07-01 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：: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：: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：:Long-term and excessive use of monocrotophos (MPs) pesticide leads to an accumulation of MPs residues in agricultural products. Electrochemical biosensor technology was developed as a simple and efficient method for detecting MPs. However, commercial acetylcholinesterase (AChE) sensors are not applied in practical MPs...

journal_title：Bioprocess and biosystems engineering

authors： Jiaojiao X,Bin Z,Pengyun W,Qing L,Xin S,Rui J

更新日期：2020-02-01 00:00:00

abstract：:A pilot-scale ultrafiltration membrane bioreactor (MBR) was used for the aerobic treatment of urban wastewater in four experimental stages influenced by seasonal temperature and different sets of operation conditions. The structure of the ammonia-oxidizing bacteria (AOB) community was profiled by temperature gradient ...

journal_title：Bioprocess and biosystems engineering

authors： Cerrone F,Poyatos JM,Molina-Muñoz M,Cortés-Lorenzo C,González-López J,Rodelas B

更新日期：2013-07-01 00:00:00

abstract：:During ribonucleic acid fermentation, the fermentative processes were researched at pH controlled at 4.0 and under natural conditions. Unstructured models in a 50-L airlift fermentor were established for batch RNA production at pH 4.0 using the Verhulst equation for microbial growth, the Luedeking-Piret equation for p...

journal_title：Bioprocess and biosystems engineering

authors： Li B,Chen X,Ren H,Li L,Xiong J,Bai J,Chen Y,Wu J,Ying H

更新日期：2012-03-01 00:00:00