Abstract：
:In this paper, we build bounded error observers for a common class of partially known bioreactor models. The main idea is to construct hybrid bounded observers "between" high gain observer, which has an adjustable convergence rate but requires perfect knowledge of the model, and asymptotic observer which is very robust towards uncertainty but has a fixed convergence rate. An hybrid bounded error observer which reconstructs the two state variables is constructed considering two steps: first step is similar to a high gain observer meaning that fast convergence rate but error depending on the knowledge of the model are obtained; second step is a switch to an observer similar to the asymptotic one meaning that fixed convergence rate towards an error as small as desired is obtained. Thus, a better convergence rate of estimated variables than the classical asymptotic observer is obtained.
journal_name
Bioprocess Biosyst Engjournal_title
Bioprocess and biosystems engineeringauthors
Lemesle V,Gouzé JLdoi
10.1007/s00449-005-0409-1subject
Has Abstractpub_date
2005-08-01 00:00:00pages
311-8issue
5eissn
1615-7591issn
1615-7605journal_volume
27pub_type
杂志文章abstract：:Biological synthesis of succinic acid at low pH values was favored since it not only decreased investment cost but also simplified downstream purification process. In this study, the feasibility of using glutamate decarboxylase system to improve succinic acid production of Escherichia coli AFP111, a succinate-producin...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-016-1720-8
更新日期：2017-04-01 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
pub_type： 杂志文章
doi：10.1007/s00449-007-0116-1
更新日期：2007-07-01 00:00:00
abstract：:Estimation of the energy capacity of a microbial cell mass on the basis of its lipid content and elemental composition can be used for the comparative evaluation of different microbial sources of biodiesel. Lipomyces starkeyi cell mass concentration reached 94.6 g/L with 37.4% of lipids in a fed-batch process using xy...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-015-1394-7
更新日期：2015-08-01 00:00:00
abstract：:The use of fed-batch extractive fermentation can overcome inhibitory effects caused by the substrate and ethanol to the yeast cells, since it allows regulate the substrate concentration and remove the product as it is produced. The present study describes the modelling and experimental validation of ethanol production...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-020-02414-5
更新日期：2020-12-01 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
pub_type： 杂志文章
doi：10.1007/s00449-020-02355-z
更新日期：2020-10-01 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
pub_type： 杂志文章
doi：10.1007/s00449-005-0027-y
更新日期：2006-04-01 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
pub_type： 杂志文章
doi：10.1007/s00449-011-0534-y
更新日期：2011-09-01 00:00:00
abstract：:The growth rate and desulfurization capacity accumulated by the cells during the growth of Pseudomonas putida KTH2 under different oxygen transfer conditions in a stirred and sparged tank bioreactor have been studied. Hydrodynamic conditions were changed using different agitation conditions. During the culture, severa...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-016-1536-6
更新日期：2016-04-01 00:00:00
abstract：:Soybean carbohydrate is often found to limit the use of protein in soy flour as food and animal feed due to its indigestibility to monogastric animal. In the current study, an enzymatic process was developed to produce not only soy protein concentrate and soy protein isolate without indigestible carbohydrate but also ...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-016-1626-5
更新日期：2016-10-01 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
pub_type： 杂志文章
doi：10.1007/s00449-016-1663-0
更新日期：2016-12-01 00:00:00
abstract：:The performance and operational stability of a pilot-scale static granular bed reactor (SGBR) for the treatment of dairy processing wastewater were investigated under a wide range of organic and hydraulic loading rates and temperature conditions. The SGBR achieved average chemical oxygen demand (COD), biological oxyge...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-014-1275-5
更新日期：2015-02-01 00:00:00
abstract：:The enzymatic method for synthesising polyglycerol polyricinoleate (PGPR), a food additive named E-476, was successfully carried out in the presence of immobilised Rhizopus oryzae lipase in a solvent-free medium. The great advantage of using the commercial preparation of R. oryzae lipase is that it is ten times cheape...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-012-0874-2
更新日期：2013-09-01 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
pub_type： 杂志文章
doi：10.1007/s00449-016-1676-8
更新日期：2017-01-01 00:00:00
abstract：:Candida cylindracea NRRL Y-17506 was grown to produce extracellular lipase from oleic acid as a carbon source. Through flask cultures, it was found that the optimum initial oleic acid concentration for cell growth was 20 g l(-1). However, high initial concentrations of oleic acid up to 50 g l(-1) were not inhibitory. ...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-006-0058-z
更新日期：2006-06-01 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
pub_type： 杂志文章
doi：10.1007/s00449-013-0976-5
更新日期：2014-02-01 00:00:00
abstract：:Ginsenoside compound K (CK) with a wide range of pharmacological activities has been widely used in the healthcare product industry. However, the application of CK is limited by low productivity and difficult separation. The purpose of this study is to convert ginsenoside Rb1 into CK by improving conversion efficiency...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-020-02314-8
更新日期：2020-07-01 00:00:00
abstract：:Cucurbitacin B (CuB) and its glycoside, cucurbitacin B 2-o-β-D-glucoside (CuBg), abundantly occur in the pedicels of Cucumis melo. Compared with CuB, CuBg is not efficiently extracted from the pedicels. Furthermore, the anticancer activity of CuBg is lower than that of the aglycone. A process for CuBg biotransformatio...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-016-1621-x
更新日期：2016-09-01 00:00:00
abstract：:In this study, citric acid production from extract of Jerusalem artichoke tubers by the genetically engineered yeast Yarrowia lipolytica strain 30 was investigated. After the compositions of the extract of Jerusalem artichoke tubers for citric acid production were optimized, the results showed that natural components ...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-013-0951-1
更新日期：2013-11-01 00:00:00
abstract：:Population heterogeneity is omnipresent in all bioprocesses even in homogenous environments. Its origin, however, is only so well understood that potential strategies like bet-hedging, noise in gene expression and division of labour that lead to population heterogeneity can be derived from experimental studies simulat...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章,评审
doi：10.1007/s00449-018-1922-3
更新日期：2018-07-01 00:00:00
abstract：:This paper presents a methodology for the determination of reaction rate constants for nitrifying bacteria and their mean population percentage in biomass in an alternating oxidation ditch system. The method used is based on the growth rate equations of the ASM1 model (IWA) (Henze et al. in Activated sludge models ASM...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-010-0446-2
更新日期：2011-01-01 00:00:00
abstract：:The mammalian pathogen Bordetella bronchiseptica was grown under controlled batch conditions with glutamate as the primary carbon and nitrogen source. First, a Box-Behnken statistical design quantified the effect of Mg, sulfate, and nicotinate on the antigen filamentous hemagglutinin (FHA) formation. Using lactic acid...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-013-0977-4
更新日期：2014-02-01 00:00:00
abstract：:A kinetic model for glucose and xylose co-substrate uptake in Saccharomyces cerevisiae is presented. The model couples the enzyme kinetics with the glucose-dependent genetic expression of the individual transport proteins. This novel approach implies several options for optimizing the co-substrate utilization. Interes...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-007-0169-1
更新日期：2008-06-01 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
pub_type： 杂志文章
doi：10.1007/s00449-019-02276-6
更新日期：2020-05-01 00:00:00
abstract：:The kinetics of the enzymatic transesterification between a mixture of triglycerides (oils) and methanol for biodiesel production in a bis(2-ethylhexyl) sodium sulfosuccinate (AOT)/isooctane reversed micellar system, using recombinant cutinase from Fusarium solani pisi as a catalyst, was investigated. In order to desc...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-011-0564-5
更新日期：2011-11-01 00:00:00
abstract：:Many bacteria reduce inorganic sulfate to sulfide to satisfy their need for sulfur, one of the most important elements for biological life. But little is known about the metabolic pathways involving hydrogen sulfide (H₂S) in mesophilic bacteria. By genomic sequence analysis, a complete set of genes for the assimilator...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-012-0839-5
更新日期：2013-10-01 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
pub_type： 杂志文章
doi：10.1007/s00449-002-0304-y
更新日期：2003-01-01 00:00:00
abstract：:The paper describes a recombinant Schneider 2 (rS2) cell culture and protein expression in a bioreactor. S2 cells were transfected with a plasmid containing a fusion protein (human mu opioid receptor, hMOR, and green fluorescent protein, EGFP) under the control of inducible metallothionein promoter. A bioprocess in a ...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-005-0033-0
更新日期：2006-04-01 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
pub_type： 杂志文章
doi：10.1007/s00449-004-0365-1
更新日期：2004-10-01 00:00:00
abstract：:The performance of down-flow hanging sponge (DHS) system treating UASB reactor effluent at different sponge volume of 38.2, 28.7, 19.1 and 9.6% was investigated. The hydraulic retention time (HRT) and flow rate were kept constant at 2.6 h and 0.46 m(3)/day, respectively. The results obtained indicated that reducing th...
journal_title：Bioprocess and biosystems engineering
pub_type： 杂志文章
doi：10.1007/s00449-009-0399-5
更新日期：2010-09-01 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
pub_type： 杂志文章
doi：10.1007/s00449-011-0578-z
更新日期：2012-03-01 00:00:00
