Estimation of bioreactor efficiency through structured hydrodynamic modeling case study of a Pichia pastoris fed-batch process.

abstract：:The performance of cellulase and amylase immobilized on siliceous supports was investigated. Enzyme uptake onto the support depended on the enzyme source and immobilization conditions. For amylase, the uptake ranged between 20 and 60%, and for cellulase, 7-10%. Immobilized amylase performance was assessed by batch kin...

journal_title：Applied biochemistry and biotechnology

authors： Saville BA,Khavkine M,Seetharam G,Marandi B,Zuo YL

更新日期：2004-04-01 00:00:00

abstract：:This study aimed to evaluate the influence of the culture medium supplementation with mineral ions, focusing on the growth of Streptococcus zooepidemicus as well as on the production and average molecular weight (MW) of hyaluronic acid (HA). The ions were investigated in terms of individual absence from the totally su...

journal_title：Applied biochemistry and biotechnology

authors： Pires AM,Eguchi SY,Santana MH

更新日期：2010-12-01 00:00:00

abstract：:Extracellular polymeric substances (EPS) produced by a biofilm-producing bacterium Acinetobacter junii BB1A were characterized. Purified EPS on analysis revealed neutral sugar (73.21 %), uronic acid (10.12 %), amino sugars (0.23 %), α- amino acids (11.13 %), and aromatic amino acids (1.23 %). Infrared spectrometry rev...

journal_title：Applied biochemistry and biotechnology

authors： Yadav KK,Mandal AK,Sen IK,Chakraborti S,Islam SS,Chakraborty R

更新日期：2012-11-01 00:00:00

abstract：:Aminoglycosides are widely used antibiotics that bind to the bacterial 30S ribosomal subunit to inhibit translation. Owing to their adverse side effects and narrow therapeutic index, monitoring blood levels of aminoglycosides is important to maximize their effectiveness and minimize their toxicity. Current monitoring ...

journal_title：Applied biochemistry and biotechnology

authors： Matsuura H,Ujiie K,Duyen TTM,Izutsu K,Fujiyama K,Maeda S,Harada K,Hirata K

更新日期：2019-11-01 00:00:00

abstract：:An extracellular polygalacturonase (PG) produced from Paecilomyces variotii was purified to homogeneity through two chromatography steps using DEAE-Fractogel and Sephadex G-100. The molecular weight of P. variotii PG was 77,300 Da by gel filtration and SDS-PAGE. PG had isoelectric point of 4.37 and optimum pH 4.0. PG ...

journal_title：Applied biochemistry and biotechnology

authors： de Lima Damásio AR,da Silva TM,Maller A,Jorge JA,Terenzi HF,Polizeli Mde L

更新日期：2010-03-01 00:00:00

abstract：:Aldehyde dehydrogenase (E.C. 1.2.1.x) can catalyze detoxification of acetaldehydes. A novel acetaldehyde dehydrogenase (istALDH) from the non-Saccharomyces yeast Issatchenkia terricola strain XJ-2 has been previously characterized. In this work, Lactococcus lactis with the NIsin Controlled Expression (NICE) System was...

journal_title：Applied biochemistry and biotechnology

authors： Lyu Y,LaPointe G,Zhong L,Lu J,Zhang C,Lu Z

更新日期：2018-02-01 00:00:00

abstract：:The objective of this study was to understand the effect of pH and ionic strength of aluminum sulfate on the flocculation of microalgae. It was found that changing pH and ionic strength influenced algal flocculation by changing the zeta potential of cells, which was described by the classical theory of Derjaguin, Land...

journal_title：Applied biochemistry and biotechnology

authors： Cui Y,Yuan W,Cheng J

更新日期：2014-08-01 00:00:00

abstract：:We demonstrate the feasibility of algal lipid production and bioelectricity generation with concurrent treatment of municipal solid waste (MSW) leachate in a double-chamber algal-assisted microbial fuel cell (AAMFC). The cathode chamber was loaded with Synechococcus sp. and MSW leachate whereas anode chamber was loade...

journal_title：Applied biochemistry and biotechnology

authors： Lakshmidevi R,Gandhi NN,Muthukumar K

更新日期：2020-06-01 00:00:00

abstract：:In this study, we investigated the dynamics of a computer simulation of a continuous alcoholic fermentation process combined with a flash column under vacuum. The alcohol was partially extracted in order to maintain its concentration at about 40 kg/m3 in the fermentor. The mathematical model of the fermentation was de...

journal_title：Applied biochemistry and biotechnology

authors： Costa AC,Dechechi EC,Silva FL,Maugeri F,Maciel R

更新日期：2000-04-01 00:00:00

abstract：:When dilute-acid hydrolysates from spruce are fermented to produce ethanol, detoxification is required to make the hydrolysates fermentable at reasonable rates. Treatment with alkali, usually by overliming, is one of the most efficient approaches. Several nutrients, such as ammonium and phosphate, are added to the hyd...

journal_title：Applied biochemistry and biotechnology

authors： Alriksson B,Horváth IS,Sjöde A,Nilvebrant NO,Jönsson LJ

更新日期：2005-04-01 00:00:00

abstract：:Glycopeptides produced by Streptomyces species are the drugs used against beta-lactam drug-resistant staphylococcal infections, and vancomycin is important among them. Increased prevalence of resistant strains increased the usage of vancomycin worldwide and also promoted attempts for indigenous production. The optimum...

journal_title：Applied biochemistry and biotechnology

authors： Padma PN,Rao AB,Yadav JS,Reddy G

更新日期：2002-07-01 00:00:00

abstract：:Proinflammatory cytokines such as tumor necrosis factor (TNF) alpha are well known to inhibit adipocyte differentiation. TNF-alpha triggers ceramide synthesis through binding of TNF-alpha to its p55 receptor. Therefore, ceramide is implicated in many of the multiple signaling pathways initiated by TNF-alpha. In breast...

journal_title：Applied biochemistry and biotechnology

authors： Xu F,Yang CC,Gomillion C,Burg KJ

更新日期：2010-01-01 00:00:00

abstract：:The feasibility of using mixtures of C4 and C5 chain-length aliphatic alcohols from fusel oil as the bulk organic media for lipase-mediated synthesis of laurate esters was assessed. Reaction mixtures consisted of lauric acid, lipase, solvent (if added), and appropriate amount of fusel oil (previously dehydrated with i...

journal_title：Applied biochemistry and biotechnology

authors： De Castro HF,Moriya RY,Oliveira PC,Soares CM

更新日期：1999-04-01 00:00:00

abstract：:Using microalgae to capture CO2 from flue gas is an ideal way to reduce CO2 emission, but this is challenged by the high cost of carbon capture and transportation. To address this problem, a bicarbonate-based integrated carbon capture and algae production system (BICCAPS) has been proposed, in which bicarbonate is use...

journal_title：Applied biochemistry and biotechnology

authors： Chi Z,Elloy F,Xie Y,Hu Y,Chen S

更新日期：2014-01-01 00:00:00

abstract：:An endo-beta-1,4-xylanase-encoding gene, xyn11NX, was cloned from Nesterenkonia xinjiangensis CCTCC AA001025 and expressed in Escherichia coli. The gene encoded a 192-amino acid polypeptide and a putative 50-amino acid signal peptide. The deduced amino acid sequence exhibited a high degree of similarity with the xylan...

journal_title：Applied biochemistry and biotechnology

authors： Kui H,Luo H,Shi P,Bai Y,Yuan T,Wang Y,Yang P,Dong S,Yao B

更新日期：2010-10-01 00:00:00

abstract：:During the aging of yeast culture, Kluyveromyces marxianus undergoes a number of changes in physiology and these changes play a significant role during fermentation. Aged stationary phase cells were found to contain more reactive oxygen species. Additionally, the level of oxidant is counteracted by the antioxidant def...

journal_title：Applied biochemistry and biotechnology

authors： Saini P,Beniwal A,Vij S

更新日期：2017-09-01 00:00:00

abstract：:In this study, an easily detectable method was employed for screening laccase-producing microorganisms by using 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) as laccase secretion indicator. A novel laccase-producing strain was isolated and identified as Shiraia bambusicola Henn. strain GZ11K2 according to the mor...

journal_title：Applied biochemistry and biotechnology

authors： Du W,Sun C,Yu J,Liang J,Liang Z,Han Y,Zou X

更新日期：2012-12-01 00:00:00

abstract：:The high demand of human placenta-derived mesenchymal stem cells (hPDMSCs) for therapeutic applications requires reproducible production of large numbers of well-characterized cells under well-controlled conditions. However, no method for fast hPDMSCs proliferation has yet been reported. In the present study, the feas...

journal_title：Applied biochemistry and biotechnology

authors： Yu Y,Li K,Bao C,Liu T,Jin Y,Ren H,Yun W

更新日期：2009-10-01 00:00:00

abstract：:Dimethyl sulfide (DMS) is one of the sulfurous pollutants present in the waste gas generated from the pulp and paper industry. DMS has environmental health implications; therefore, it is necessary to treat the waste gas containing DMS prior to discharge into the environment. A bench-scale biofilter was operated in the...

journal_title：Applied biochemistry and biotechnology

authors： Giri BS,Juwarkar AA,Satpute DB,Mudliar SN,Pandey RA

更新日期：2012-07-01 00:00:00

abstract：:Sequencing batch reactors (SBRs) including aerobic SBRs and anaerobic SBRs (ASBRs) are partially emptied batch reactors that are widely used as bioprocesses in pollution control. We present dilution and biochemical materials balance modeling equations and simulation results for the partially emptied batch reactors, es...

journal_title：Applied biochemistry and biotechnology

authors： Ndon UJ,Zhao JC,Siguan ML

更新日期：2007-01-01 00:00:00

abstract：:To prevent illegal use of clenbuterol and for quality control in the food industry, more efficient and reliable methods for clenbuterol detection are needed. In this study, clenbuterol was detected using a spectral imaging surface plasmon resonance sensor system via two inhibition methods: (1) the target site compensa...

journal_title：Applied biochemistry and biotechnology

authors： Wu Y,Yao M,Fang X,Yang Y,Cheng X

更新日期：2015-11-01 00:00:00

abstract：:Glycerol metabolism is a typical biological oxidoreductive reaction. 1,3-Propanediol (1,3-PD) is the final product of the reductive branch, while acetate, succinate, lactate, 2,3-butanediol (2,3-BD), and ethanol were produced in the oxidative branch. 2,3-BD, which has similar properties of high boiling point and water...

journal_title：Applied biochemistry and biotechnology

authors： Zhang G,Yang G,Wang X,Guo Q,Li Y,Li J

更新日期：2012-09-01 00:00:00

abstract：:Foot and mouth disease virus, (FMDV) from a crude cell lysate was purified in a single step by affinity chromatography with heparin as a ligand. The virus eluted from an Heparin-Ultrogel A4R column at 1M sodium chloride in 10 mM sodium phosphate buffer, pH 7.0, while most cell protein and albumin did so at lower conce...

journal_title：Applied biochemistry and biotechnology

authors： Navarro del Cañizo AA,Mazza M,Bellinzoni R,Cascone O

更新日期：1996-12-01 00:00:00

abstract：:Production costs of cellulosic biofuels can be lowered if cellulases are recovered and reused using particulate carriers that can be extracted after biomass hydrolysis. Such enzyme recovery was recently demonstrated using enzymogel nanoparticles with grafted polymer brushes loaded with cellulases. In this work, cellul...

journal_title：Applied biochemistry and biotechnology

authors： Samaratunga A,Kudina O,Nahar N,Zakharchenko A,Minko S,Voronov A,Pryor SW

更新日期：2015-06-01 00:00:00

abstract：:Phycocyanin is a photosynthetic pigment found in photosynthetic cyanobacteria, cryptophytes, and red algae. In general, production of phycocyanin depends mainly on the light conditions during the cultivation period, and purification of phycocyanin requires expensive and complex procedures. In this study, we propose a ...

journal_title：Applied biochemistry and biotechnology

authors： Lee SH,Lee JE,Kim Y,Lee SY

更新日期：2016-01-01 00:00:00

abstract：:In biotechnological processes, a great number of factors can influence the income productivity and conversion. Normally, it is not evident which of these factors are the most important and how they interact. In this work, multivariate analysis techniques are used as experimental design coupled to a detailed determinis...

journal_title：Applied biochemistry and biotechnology

authors： Lunelli BH,Rivera EC,Vasco de Toledo EC,Wolf Maciel MR,Maciel Filho R

更新日期：2008-03-01 00:00:00

abstract：:Biological control of soil-borne plant pathogens is a potential alternative to the use of chemical pesticides, which have already been proved to be harmful to the environment. Several strains of the fungus Trichoderma have been isolated and found to be effective biocontrol agents of various soil-borne plant pathogenic...

journal_title：Applied biochemistry and biotechnology

authors： Chet I,Inbar J

更新日期：1994-07-01 00:00:00

abstract：:Hydrolysis of nucleic acids for single-cell protein concentrates has been carried out in one step using immobilized benzonase on corn cob. The immobilization is carried out by tosylation of primary alcohols of cellulose of corn cob. The immobilized benzonase is more stable vs pH changes than native benzonase, but the ...

journal_title：Applied biochemistry and biotechnology

authors： Moreno JM,Sanchez-Montero JM,Ballesteros A,Sinisterra JV

更新日期：1991-10-01 00:00:00

abstract：:This review highlights the advances in the knowledge of RNA interference (RNAi) and discusses recent progress on the functionality of different components RNAi machinery operating in the organisms. The silencing of genes by RNA interference has become the technology of choice for investigation of gene functions in dif...

journal_title：Applied biochemistry and biotechnology

authors： Katoch R,Thakur N

更新日期：2013-03-01 00:00:00

abstract：:NADP(+)-dependent isocitrate dehydrogenase from Yarrowia lipolytica CLIB122 (YlIDP) was overexpressed and purified. The molecular mass of YlIDP was estimated to be about 81.3 kDa, suggesting its homodimeric structure in solution. YlIDP was divalent cation dependent and Mg(2+) was found to be the most favorable cofacto...

journal_title：Applied biochemistry and biotechnology

authors： Li X,Wang P,Ge Y,Wang W,Abbas A,Zhu G

更新日期：2013-09-01 00:00:00