Solvent-free enzymatic production of high quality cetyl esters.

abstract：:Biochemical reactions occurring during anaerobic digestion have been modelled using reaction kinetic equations such as first-order, Contois and Monod which are then combined to form mechanistic models. This work considers models which include between one and three biochemical reactions to investigate if the choice of ...

journal_title：Bioprocess and biosystems engineering

authors： Owhondah RO,Walker M,Ma L,Nimmo B,Ingham DB,Poggio D,Pourkashanian M

更新日期：2016-06-01 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：:A novel bacterial isolate, capable of producing extracellular highly thermostable, halo-alkali-stable and cellulase-free xylanase, was isolated from soil and identified as Bacillus halodurans TSPV1 by polyphasic approach. The Plackett-Burman design identified wheat bran, lactose, tryptone and NaCl as the factors that ...

journal_title：Bioprocess and biosystems engineering

authors： Kumar V,Syal P,Satyanarayana T

更新日期：2013-05-01 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：:We propose an adaptive control law that allows one to identify unstable steady states of the open-loop system in the single-species chemostat model without the knowledge of the growth function. We then show how one can use this control law to trace out (reconstruct) the whole graph of the growth function. The process ...

journal_title：Bioprocess and biosystems engineering

authors： Sieber J,Rapaport A,Rodrigues S,Desroches M

更新日期：2013-10-01 00:00:00

abstract：:Wheat straw is a low-cost feedstock for the production of biofuel. Pretreatment process is an important stage in producing biofuels since it makes the fibers more accessible to enzymatic hydrolysis which is the final step of producing biofuels. Pretreated wheat straw (PWS) slurries are non-Newtonian fluids with yield ...

journal_title：Bioprocess and biosystems engineering

authors： Naghavi-Anaraki Y,Turcotte G,Ein-Mozaffari F

更新日期：2018-09-01 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：:The treatment of acidic (pH 6.5-3), sulfate- (2-3 g/L), Zn- and Cu- (total metal 0-500 mg/L) containing wastewater was studied in a four-stage anaerobic baffled reactor (ABR) at 35 °C for 250 days. Ethanol was supplemented (COD/SO4(2-) = 0.67) as carbon and electron source for sulfate reducing bacteria. Sulfate reduct...

journal_title：Bioprocess and biosystems engineering

authors： Sahinkaya E,Yucesoy Z

更新日期：2010-10-01 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：:The fungicide carbendazim is an ecotoxic agent affecting aquatic biota. Due to its suspected hormone-disrupting effects, it is considered a "priority hazard substance" by the Water Framework Directive of the European Commission, and its degradation is of major concern. In this work, a horizontal tubular biofilm reacto...

journal_title：Bioprocess and biosystems engineering

authors： Alvarado-Gutiérrez ML,Ruiz-Ordaz N,Galíndez-Mayer J,Santoyo-Tepole F,Curiel-Quesada E,García-Mena J,Ahuatzi-Chacón D

更新日期：2017-04-01 00:00:00

abstract：:The present study aimed to determine the degradation and transformation of three-ring PAHs phenanthrene and anthracene by Cryptococcus sp. MR22 and Halomonas sp. BR04 under halophilic conditions. The growth progress of Cryptococcus sp. MR22 and Halomonas sp. BR04 on anthracene and phenanthrene was monitored by colony-...

journal_title：Bioprocess and biosystems engineering

authors： Al Farraj DA,Hadibarata T,Yuniarto A,Alkufeidy RM,Alshammari MK,Syafiuddin A

更新日期：2020-12-01 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：: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：: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：:Broken rice, pretreated by enzymatic extrusion liquefaction, was used to produce Chinese rice wine by simultaneous saccharification and fermentation (SSF) process in this study. The study compared the novel process and traditional process for Chinese rice wine fermentation utilizing broken rice and head rice, respecti...

journal_title：Bioprocess and biosystems engineering

authors： Li H,Jiao A,Xu X,Wu C,Wei B,Hu X,Jin Z,Tian Y

更新日期：2013-08-01 00:00:00

abstract：:Discontinuous airlift mixing was realized by injecting pressured air at time intervals with a frequency between 0.033 and 0.25 Hz (at 80 kPa; i.e., every 4-30 s; valve opening time 800 ms) into outdoor flat panel photobioreactors ([Formula: see text]). This caused a flow velocity between 2 and 20 cm s(-1) of the cultu...

journal_title：Bioprocess and biosystems engineering

authors： Leupold M,Hindersin S,Kerner M,Hanelt D

更新日期：2013-11-01 00:00:00

abstract：:In this paper we propose a methodology to determine the structure of the pseudo-stoichiometric coefficient matrix K in a mass balance-based model and to identify its coefficients from a set of available data. The first stage consists in estimating the number of reactions that must be taken into account to represent th...

journal_title：Bioprocess and biosystems engineering

authors： Bernard O,Bastin G

更新日期：2005-08-01 00:00:00

abstract：:Harvesting technology has a significant influence on the microalgal biomass industry. This study develops a buoy-bead flotation method and analyzes the factors impacting flotation. Experimental results show that adding sodium borosilicate as an alternative microsphere material can result in 58.5% harvesting efficiency...

journal_title：Bioprocess and biosystems engineering

authors： Wen H,Zou X,Xu K,Shen Z,Ren X,Li Y

更新日期：2019-03-01 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：:The effect of different process variables of reverse micelle extraction process like pH, addition of surfactant (AOT) concentration and potassium chloride (KCl) concentration on amylase recovery has been studied and analysed. Solid-state fermentation was used for the production of amylase enzyme. Response surface meth...

journal_title：Bioprocess and biosystems engineering

authors： Bera MB,Panesar PS,Panesar R,Singh B

更新日期：2008-06-01 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：: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：: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：:Silver nanoparticles (Ag NPs) are being increasingly used in many consumer products owing to their excellent antimicrobial properties. The continuous use of Ag NPs in consumer products will lead to environmental release. The present study evaluated the toxic effects and the possible underlying mechanism of Ag NPs on P...

journal_title：Bioprocess and biosystems engineering

authors： Khan SS,Ghouse SS,Chandran P

更新日期：2015-07-01 00:00:00

abstract：:In this study, the alkaline twin-screw extrusion pretreated corn stover was subjected to enzymatic hydrolysis after washing. The impact of solid loading and enzyme dose on enzymatic hydrolysis was investigated. It was found that 68.2 g/L of total fermentable sugar could be obtained after enzymatic hydrolysis with the ...

journal_title：Bioprocess and biosystems engineering

authors： Zhang Y,Hou T,Li B,Liu C,Mu X,Wang H

更新日期：2014-05-01 00:00:00

abstract：:The development of a safe and eco-friendly method for metal nanoparticle synthesis has an increasing demand, due to emerging environmental and biological harms of hazardous chemicals used in existing nanosynthesis methods. The present investigation reports a rapid one-step, eco-friendly and green approach for the form...

journal_title：Bioprocess and biosystems engineering

authors： Koli SH,Mohite BV,Suryawanshi RK,Borase HP,Patil SV

更新日期：2018-05-01 00:00:00

abstract：:Food safety is a global health and socioeconomic concern since many people still suffer from various acute and life-long diseases, which are caused by consumption of unsafe food. Therefore, ensuring safety of the food is one of the most essential issues in the food industry, which needs to be considered during not onl...

journal_title：Bioprocess and biosystems engineering

authors： Coban HB

更新日期：2020-04-01 00:00:00

abstract：:One of the problems to be solved in attaining the full potentials of hematopoietic stem cell (HSC) applications is the limited availability of the cells. Growing HSCs in a bioreactor offers an alternative solution to this problem. Besides, it also offers the advantages of eliminating labour intensive process as well a...

journal_title：Bioprocess and biosystems engineering

authors： Kresnowati MT,Forde GM,Chen XD

更新日期：2011-01-01 00:00:00

abstract：:Chinese hamster ovary (CHO) cells are the main workhorse in the biopharmaceutical industry for the production of recombinant proteins, such as monoclonal antibodies. To date, a variety of metabolic engineering approaches have been used to improve the productivity of CHO cells. While genetic manipulations are potential...

journal_title：Bioprocess and biosystems engineering

authors： Fouladiha H,Marashi SA,Torkashvand F,Mahboudi F,Lewis NE,Vaziri B

更新日期：2020-08-01 00:00:00

abstract：:Colony development of the dimorphic yeasts Yarrowia lipolytica and Candida boidinii on solid agar substrates under glucose limitation served as a model system for mycelial development of higher filamentous fungi. Strong differences were observed in the behaviour of both yeasts: C. boidinii colonies reached a final col...

journal_title：Bioprocess and biosystems engineering

authors： Walther T,Reinsch H,Weber P,Ostermann K,Deutsch A,Bley T

更新日期：2011-01-01 00:00:00