Prevalence of Nitrosomonas cluster 7 populations in the ammonia-oxidizing community of a submerged membrane bioreactor treating urban wastewater under different operation conditions.

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：: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：:Light and bacteria can be used in combination to enhance secondary metabolite production during fermentation. Red yeast rice powder (RYRP) was inoculated with Bacillus subtilis (B2) isolated from freshwater seafood and incubated under light-emitting diodes (LEDs) of different colors (blue, green, red, white), fluoresc...

journal_title：Bioprocess and biosystems engineering

authors： Elumalai P,Park YJ,Cho M,Shea PJ,Oh BT

更新日期：2019-04-01 00:00:00

abstract：:The lack of sensors for some relevant state variables in fermentation processes can be coped by developing appropriate software sensors. In this work, NARX-ANN, NARMAX-ANN, NARX-SVM and NARMAX-SVM models are compared when acting as software sensors of biomass concentration for a solid substrate cultivation (SSC) proce...

journal_title：Bioprocess and biosystems engineering

authors： Acuña G,Ramirez C,Curilem M

更新日期：2014-01-01 00:00:00

abstract：:This study aimed to assess the variability in respect of titer and properties of xylanase from Trichoderma reesei SAF3 under both solid-state and submerged fermentation. SSF was initially optimized with different agro-residues and among them wheat bran was found to be the best substrate that favored maximum xylanase p...

journal_title：Bioprocess and biosystems engineering

authors： Kar S,Sona Gauri S,Das A,Jana A,Maity C,Mandal A,Das Mohapatra PK,Pati BR,Mondal KC

更新日期：2013-01-01 00:00:00

abstract：:Armillaria sp. F022 is a white-rot fungus isolated from a tropical rain forest in Indonesia that is capable of utilizing pyrene as a source of carbon and energy. Enzymes production during the degradation process by Armillaria sp. F022 was certainly related to the increase in biomass. In the first week after incubation...

journal_title：Bioprocess and biosystems engineering

authors： Hadibarata T,Kristanti RA

更新日期：2013-04-01 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：:A biosurfactant producing microbe isolated from a river bank was identified as Lysinibacillus fusiformis S9. It was identified with help of biochemical tests and 16S rRNA gene phylogenetic analysis. The biosurfactant S9BS produced was purified and characterized as glycolipid. The biosurfactant showed remarkable inhibi...

journal_title：Bioprocess and biosystems engineering

authors： Pradhan AK,Pradhan N,Sukla LB,Panda PK,Mishra BK

更新日期：2014-02-01 00:00:00

abstract：:Erythromycin A is an important antibiotic. A chemically defined synthetic medium for erythromycin production was systematically optimized in this study. A high-throughput method was employed to reduce the number of components and optimize the concentration of each component. After two round single composition deletion...

journal_title：Bioprocess and biosystems engineering

authors： Hong M,Liao J,Chu J

更新日期：2018-10-01 00:00:00

abstract：:Lignocellulosic biomass can be considered as one of the largest sources for the production of renewable biofuels (bioethanol). It involves an enzymatic treatment capable of ensuring the depolymerization of cellulose into fermentable sugars, followed by the production of ethanol by appropriate bacteriological fermentat...

journal_title：Bioprocess and biosystems engineering

authors： Smichi N,Messaoudi Y,Allaf K,Gargouri M

更新日期：2020-06-01 00:00:00

abstract：:Infection with Vibrio cholerae is a significant problem in many developing countries. Cultivation of V. cholerae is used in production of cholera toxin B subunit, which is a component in a cholera vaccine. Fed-batch cultivations with V. cholerae in defined media have been conducted and reproducible results were obtain...

journal_title：Bioprocess and biosystems engineering

authors： de Maré L,Andersson L,Hagander P

更新日期：2003-01-01 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：: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：:Bacteria from Patagonian Merino wool were isolated to assess their wool-keratinolytic activity and potential for felt-resist treatments. Strains from Bacillus, Exiguobacterium, Deinococcus, and Micrococcus produced wool-degrading enzymes. Bacillus sp. G51 showed the highest wool-keratinolytic activity. LC-MS/MS analys...

journal_title：Bioprocess and biosystems engineering

authors： Iglesias MS,Sequeiros C,García S,Olivera NL

更新日期：2017-06-01 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：:A self-designed novel solid-state fermentation (SSF) bioreactor named "gas double-dynamic solid-state fermentation bioreactor (GDSFB)" showed great success in processes for the production of several valuable products. For the present study, a simple GDSFB (2 L in volume) was designed to investigate the impact of exhau...

journal_title：Bioprocess and biosystems engineering

authors： Chen H,Li Y,Xu F

更新日期：2013-11-01 00:00:00

abstract：:An alternating pumped sequencing batch biofilm reactor (APSBBR) system was developed to treat small-scale domestic wastewater. This laboratory system had two reactor tanks, Reactor 1 and Reactor 2, with two identical plastic biofilm modules in each reactor. Reactor 1 of the APSBBR had five operational phases--fill, an...

journal_title：Bioprocess and biosystems engineering

authors： Rodgers M,Zhan X,O'Reilly E

更新日期：2006-04-01 00:00:00

abstract：:We used an aqueous leaf extract of Camellia sinensis to synthesize Ag nanoparticles (AgNPs). A layer of ca. 6 nm around a group of the AgNPs in which the inner layer is bound to the AgNPs surface via the hydroxyl groups of catechin has been observed. TEM analysis of AgNPs showed the formation of truncated triangular n...

journal_title：Bioprocess and biosystems engineering

authors： Hussain S,Khan Z

更新日期：2014-07-01 00:00:00

abstract：:Fluxes of central carbon metabolism [glycolysis, pentose phosphate pathway (PPP), tricarboxylic acid cycle (TCA cycle), biomass formation] were determined for several Bacillus megaterium strains (DSM319, WH320, WH323, MS941) in C- and N-limited chemostat cultures by (13)C labelling experiments. The labelling patterns ...

journal_title：Bioprocess and biosystems engineering

authors： Fürch T,Hollmann R,Wittmann C,Wang W,Deckwer WD

更新日期：2007-01-01 00:00:00

abstract：:Soluble microbial products (SMPs) are considered as the main organic components in wastewater treatment plant effluent from biological wastewater treatment systems. To investigate and explore SMP metabolism pathway for further treatment and control, two innovative mechanistically based activated sludge models were dev...

journal_title：Bioprocess and biosystems engineering

authors： Fan J,Ding Y,Qiu Z,Li W,Lu S

更新日期：2011-11-01 00:00:00

abstract：:Porphyridium cruentum is one of the most valued microalgae species able to produce both pigments and exopolysaccharides. Conventional liquid suspended cultivation in ponds and photobioreactors show its disadvantages in lower cultivation efficiency and higher stirring power consumption due to the high viscosity of the ...

journal_title：Bioprocess and biosystems engineering

authors： Lutzu GA,Zhang L,Zhang Z,Liu T

更新日期：2017-01-01 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：:In this study, a microbial consortium from an acid-treated rumen fluid was used to improve the yields of H2 production from paper residues in batch reactors. The anaerobic batch reactors, which contained paper and cellulose, were operated under three conditions: (1) 0.5 g paper/L, (2) 2 g paper/L, and (3) 4 g paper/L....

journal_title：Bioprocess and biosystems engineering

authors： Botta LS,Ratti RP,Sakamoto IK,Ramos LR,Silva EL,Varesche MB

更新日期：2016-12-01 00:00:00

abstract：:In the present investigation, growth kinetics of Kocuria marina DAGII during batch production of β-Cryptoxanthin (β-CRX) was studied by considering the effect of glucose and maltose as a single and binary substrate. The importance of mixed substrate over single substrate has been emphasised in the present study. Diffe...

journal_title：Bioprocess and biosystems engineering

authors： Mitra R,Chaudhuri S,Dutta D

更新日期：2017-01-01 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：:Industrial grade soluble corn starch was used directly and effectively as the fermentation substrate for microbial exopolysaccharides production. Bacillus subtilis mutant strain NJ308 grew with untreated starch raw material as the sole carbon source. The real-time PCR results demonstrated that up-regulated genes encod...

journal_title：Bioprocess and biosystems engineering

authors： He X,He F,Hang J,Li H,Chen Y,Wei P,Chen K,Li Y,OuYang P

更新日期：2018-06-01 00:00:00

abstract：:L-arabinose isomerase (L-AI) (EC 5. 3. 1. 4. L-AI) that mediates the isomerization of D-galactose to D-tagatose was isolated from Lactobacillus brevis (MF 465792), and was further purified and characterized. Pure enzyme with molecular weight of 60.1 kDa was successfully obtained after the purification using Native-PAG...

journal_title：Bioprocess and biosystems engineering

authors： Du M,Zhao D,Cheng S,Sun D,Chen M,Gao Z,Zhang C

更新日期：2019-01-01 00:00:00

abstract：:The influence of sugars in culture media on the kinetics of the mono- and disaccharide uptake and cell growth behavior was studied by mid-infrared spectroscopy using a Fourier transform infrared spectrometer (FT-IR) equipped with an attenuate total reflection accessory (ATR). We performed the plant cell cultivation wi...

journal_title：Bioprocess and biosystems engineering

authors： Yamanaka A,Hashimoto A,Matsuo T,Kanou M,Suehara K,Kameoka T

更新日期：2007-11-01 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

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