abstract：:A lactate oxidase was purified about 36-fold from a newly screened strain KY6 of gram negative bacterium from soil to yield a homogeneous protein. The native enzyme had a molecular mass of 204 kDa measured by Sephadex G-200 and that of subunit on the SDS-PAGE was found to be 45 kDa. The enzyme was optimally active at ...

journal_title：Applied biochemistry and biotechnology

authors： Xu P,Yano T,Yamamoto K,Suzuki H,Kumagai H

更新日期：1996-03-01 00:00:00

abstract：:We have developed a substrate-induced growth response (SIGR) method for quantifying activity and population dynamics of microorganisms involved in bioremediation processes in soil and bioreactors. The biomass of organisms that can mineralize a given chemical can be estimated based on the concentration of that chemical...

journal_title：Applied biochemistry and biotechnology

authors： Schmidt SK,Colores GM,Hess TF,Radehaus PM

更新日期：1995-07-01 00:00:00

abstract：:In order to detect low levels of enzyme activity, specifically glucose oxidase, in biological samples, an immunoenzymatic assay was developed since currently available methods could not be used because of either their lack of sensitivity or the conditions prevailing in our samples: turbidity of the medium, presence of...

journal_title：Applied biochemistry and biotechnology

authors： de Bellefontaine C,Josse F,Domurado M,Domurado D

更新日期：1994-08-01 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：:Since the two reports published in 1986 by the laboratories of R. Lerner and P. G. Schultz, it has been clearly established that antibodies may be induced to act as catalysts in numerous chemical reactions. In all cases, catalytic antibodies were elicited using a substrate-based approach. In the present article, we pr...

journal_title：Applied biochemistry and biotechnology

authors： Friboulet A,Izadyar L,Avalle B,Roseto A,Thomas D

更新日期：1994-05-01 00:00:00

abstract：:Over the last two decades many strategies have been planned to design specific drugs for rare diseases to target their action at the DNA level. Advancements in our understanding of the interactions of small nonpeptide molecules with DNA have opened the doors for "rational" drug design. Special methods have now been de...

journal_title：Applied biochemistry and biotechnology

authors： Prabhakar P,Kayastha AM

更新日期：1994-04-01 00:00:00

abstract：:Carboxypeptidase N-Sepharose was prepared by covalent immobilization of purified human plasma carboxypeptidase N. More than 98% of the carboxypeptidase N was immobilized; 42% of the applied activity can be detected on the support. The column has excellent capabilities to quantitatively remove carboxy-terminal basic am...

journal_title：Applied biochemistry and biotechnology

authors： Wang W,Hendriks DF,Scharpé SL

更新日期：1994-02-01 00:00:00

abstract：:Serratia marcescens SP511 was previously reported to be an L-proline-producing strain that harbors a recombinant plasmid carrying the mutant type of the proline operon. This strain produced 65 g/L of L-proline in a medium containing 22% sucrose and urea after 5 d of incubation under the conventional culture conditions...

journal_title：Applied biochemistry and biotechnology

authors： Masuda M,Takamatu S,Nishimura N,Komatsubara S,Tosa T

更新日期：1993-12-01 00:00:00

abstract：:Endoglucanase 5 (EG5) has been isolated from the strain of E. coli TG1 harboring recombinant plasmid pCU108, which contains the cel5 gene of C. thermocellum. The enzyme has been produced with 98-fold purification and a final yield of 27% by using subsequent twofold high performance ion-exchange chromatography on Mono ...

journal_title：Applied biochemistry and biotechnology

authors： Mosolova TP,Kalyuzhnyi SV,Varfolomeyev SD,Velikodvorskaya GA

更新日期：1993-07-01 00:00:00

abstract：:The gate surface of an ion-sensitive field effect transistor (ISFET) was modified with Langmuir-Blodgett (LB) film composed of fatty acid or crown ether amphiphiles to examine their potentiometric response to H+ and K+ ions. The results demonstrate the possible use of the lipid films for preparing ISFET ion sensors. ...

journal_title：Applied biochemistry and biotechnology

authors： Osa T

更新日期：1993-04-01 00:00:00

abstract：:Different treatments to improve the thermotolerance of fermenting yeasts for simultaneous ethanol saccharification and fermentation process of cellulosic materials have been examined. Yeasts of the genera Saccharomyces and Kluyveromyces were tested for growth and fermentation at progressively higher temperatures in th...

journal_title：Applied biochemistry and biotechnology

authors： Ballesteros I,Oliva JM,Ballesteros M,Carrasco J

更新日期：1993-04-01 00:00:00

abstract：:Aliphatic chlorinated compounds, such as trichloroethylene (TCE) and tetrachloroethylene (PCE), are major contaminants of ground water. A single-pass packed-bed bioreactor was utilized to study the biodegradation of organic waste mixtures consisting of PCE, TCE, and other short-chain chlorinated organics. The bioreact...

journal_title：Applied biochemistry and biotechnology

authors： Lackey LW,Phelps TJ,Bienkowski PR,White DC

更新日期：1993-04-01 00:00:00

abstract：:A biocompatible needle-type glucose sensor with a 3-electrode configuration was constructed. A platinum-electroplated carbon stick was used as the working electrode, Ag/AgCl as the reference electrode, and a disposable hypodermic needle made of stainless steel as the counter electrode. A Nafion membrane, an immobilize...

journal_title：Applied biochemistry and biotechnology

authors： Chen CY,Tamiya E,Ishihara K,Kosugi Y,Su YC,Nakabayashi N,Karube I

更新日期：1992-09-01 00:00:00

abstract：:Recombinant tissue-plasminogen activator (r-tPA), expressed in Escherichia coli cells in an aggregated form, was solubilized with a strong chaotrope in the absence of any reducing agent. The solubilized molecule was reactivated by a procedure that was developed to mimic the physiological conditions optimal for the fun...

journal_title：Applied biochemistry and biotechnology

authors： Grunfeld H,Patel A,Shatzman A,Nishikawa AH

更新日期：1992-05-01 00:00:00

abstract：:A biosensor for ascorbic acid based on enzyme kinetics of ascorbate oxidase (E.C.1.10.3.3) was developed. The enzyme was extracted from Cucurbita maxima, or jerimun and immobilized by covalent bounding, using glutaradehyde as a bifunctional agent, on alkylamine glass beads, with and without enzyme active site protecti...

journal_title：Applied biochemistry and biotechnology

authors： Marques ET Jr,Lima Filho JL

更新日期：1992-01-01 00:00:00

abstract：:The use of the insect cell/baculovirus expression system for producing recombinant proteins of bacterial, plant, insect, and mammalian origin has become widespread. The popularity of this eukaryotic expression system is due to many factors, including (1) potentially high protein expression levels, (2) ease and speed o...

journal_title：Applied biochemistry and biotechnology

authors： Murhammer DW

更新日期：1991-12-01 00:00:00

abstract：:Maltodextrins and hydrolysates of rice and corn flour of varying dextrose equivalents (DE) have been used as a carbon source for alpha-amylase enzyme production by Bacillus sp. TCRDC-25A. The rate and total enzyme production was higher in maltodextrin media than in cornstarch. The enzyme production increased with incr...

journal_title：Applied biochemistry and biotechnology

authors： Bajpai P,Bajpai PK

更新日期：1991-11-01 00:00:00

abstract：:Thermostable invertase (E.C. 3.2.1.26) and inulinase 2,1-beta-D-fructan fructanohydrolase (E.C. 3.2.1.7) activities were produced by Cladosporium cladosporioides grown on sucrose, inulin, yam extract, or Jerusalem artichoke. The ratio I (inulinase)/S(invertase) activity was between 0.31 and 0.36. Both activities had h...

journal_title：Applied biochemistry and biotechnology

authors： Ferreira MS,De Andrade AV,Kennedy JF

更新日期：1991-10-01 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：:Environmental conditions affect the production of extracellular polysaccharide by Azotobacter chroococcum ATCC 4412. Production of exocellular polymer from a variety of carbon sources depended on the air flow rate. A high sucrose concentration in medium (8%) markedly favored expopolysaccharide production, which reache...

journal_title：Applied biochemistry and biotechnology

authors： De la Vega MG,Cejudo FJ,Paneque A

更新日期：1991-09-01 00:00:00

abstract：:A method for the convenient and reliable preparation of magnetizable agarose beads containing iron particles is described. The beads were treated with the triazine dye, Reactive Red 120, and the matrix was examined for the ability to extract proteins from crude preparations using lactate dehydrogenase from porcine mus...

journal_title：Applied biochemistry and biotechnology

authors： Ennis MP,Wisdom GB

更新日期：1991-08-01 00:00:00

abstract：:In the fermentation of lignocellulose hydrolysates to ethanol, two major problems are encountered: the fermentation of the pentose sugar xylose, and the presence of microbial inhibitors. Xylose can be directly fermented with yeasts, such as Pachysolen tannophilus, Candida shehatae, and Pichia stipis, or by isomerizati...

journal_title：Applied biochemistry and biotechnology

authors： Hahn-Hägerdal B,Lindén T,Senac T,Skoog K

更新日期：1991-04-01 00:00:00

abstract：:A NADPH/NADH-dependent xylose reductase gene was isolated from the xylose-assimilating yeast, Pichia stipitis. DNA sequence analysis showed that the gene consists of 951 bp. The gene introduced in Saccharomyces cerevisiae was transcribed to mRNA, and a considerable amount of enzyme activity was observed constitutively...

journal_title：Applied biochemistry and biotechnology

authors： Takuma S,Nakashima N,Tantirungkij M,Kinoshita S,Okada H,Seki T,Yoshida T

更新日期：1991-04-01 00:00:00

abstract：:A bench scale experimental system was developed for the analysis of polycyclic aromatic hydrocarbon (PAH) degradation by mixed microbial cultures in PAH contaminated Manufactured Gas Plant (MGP) soils and on sand. The reactor system was chosen in order to provide a fundamental protocol capable for evaluating the perfo...

journal_title：Applied biochemistry and biotechnology

authors： Webb OF,Phelps TJ,Bienkowski PR,DiGrazia PM,Reed GD,Applegate B,White DC,Sayler GS

更新日期：1991-04-01 00:00:00

abstract：:The effect of methanol on trichloroethylene (TCE) degradation by mixed and pure methylotrophic cultures was examined in batch culture experiments. Methanol was found to relieve growth inhibition of Methylosinus trichosporium (OB3b) at high (14 mg/L) TCE concentrations. Degradation of TCE was determined by both radiola...

journal_title：Applied biochemistry and biotechnology

authors： Eng W,Palumbo AV,Sriharan S,Strandberg GW

更新日期：1991-04-01 00:00:00

abstract：:The separation and purification of biologically functional molecules (e.g., proteins, antibodies, peptides, hormones, low molecular weight biologicals) is of fundamental importance to biotechnology. Affinity separations have become a particularly attractive method for bioseparations due to their high degree of selecti...

journal_title：Applied biochemistry and biotechnology

authors： Dordick JS

更新日期：1991-01-01 00:00:00

abstract：:The partition behavior of proteins, nucleic acids, cell membranes, cell organelles and whole cells has been studied in liquid-liquid two-phase systems composed of water, poly-(ethylene glycol), and an hydroxypropyl starch. The properties of the systems are in many respects comparable with the traditional poly(ethylene...

journal_title：Applied biochemistry and biotechnology

authors： Sturesson S,Tjerneld F,Johansson G

更新日期：1990-12-01 00:00:00

abstract：:The enzyme mannose isomerase (EC 5.3.1.7) catalyzes the isomerization of D-mannose and D-fructose. The conversion of mannose to fructose is the first step in the principal pathway of mannose dissimilation by Pseudomonas cepacia. This enzyme is induced during growth on medium containing mannose to levels three- to four...

journal_title：Applied biochemistry and biotechnology

authors： Allenza P,Morrell MJ,Detroy RW

更新日期：1990-04-01 00:00:00

abstract：:Lysozyme was immobilized by two different methods in two different ways in order to obtain a preparation with an activity as high as possible toward a macromolecular substrate. The enzyme was bound as a Schiff base to a silicate carrier by using oxidized dextrans of different lengths as spacer and also was bound to co...

journal_title：Applied biochemistry and biotechnology

authors： Moser I,Dworsky P,Pittner F

更新日期：1988-12-01 00:00:00

abstract：:For trial use in the local chemotherapy of cancer by a combination of cytosine deaminase (EC 3.5.4.1) and 5-fluorocytosine (J. Biotechnol., (1985), 2, 13-21), 40 U of partially purified cytosine deaminase was obtained from 500 g of commercial compressed bakers' yeast. The enzyme, which is unstable, was immobilized to ...

journal_title：Applied biochemistry and biotechnology

authors： Katsuragi T,Sakai T,Tonomura K

更新日期：1987-09-01 00:00:00

abstract：:The high cost of nicotinamide cofactors requires that they be regenerated in situ when used in preparative enzymatic synthesis. Numerous strategies have been tested for in situ regeneration of reduced and oxidized cofactors. Regeneration of reduced cofactors is relatively straightforward; regeneration of oxidized cofa...

journal_title：Applied biochemistry and biotechnology

authors： Chenault HK,Whitesides GM

更新日期：1987-03-01 00:00:00

abstract：:A novel immobilized-enzyme system that has glucoamylase on the surface of, and glucose oxidase within, polyurea microcapsules was developed. This system was found to carry out its sequential enzymatic reaction effectively. It was also demonstrated that the use of microcapsules was useful for this immobilized-enzyme sy...

journal_title：Applied biochemistry and biotechnology

authors： Komori T,Muramatsu N,Kondo T

更新日期：1987-02-01 00:00:00

abstract：:Two types of (CNBr-activated) Agarose-staphylococcal endonuclease derivatives have been prepared, one with the enzyme uniformly distributed in the support, and the other with the enzyme preferentially bound in the most external part of the support particles; the latter were obtained using agarose of very small pores a...

journal_title：Applied biochemistry and biotechnology

authors： Guisan JM,Serrano J,Melo FV,Ballesteros A

更新日期：1987-02-01 00:00:00

abstract：:The application of immunoaffinity techniques to subcellular fractionation is reviewed and the basic principles underlying the various methods that have been successfully employed, identified. The requirement for organelle-specific antigens and high-avidity antibodies is discussed, as is the widespread use of indirect ...

journal_title：Applied biochemistry and biotechnology

authors： Richardson PJ,Luzio JP

更新日期：1986-10-01 00:00:00

abstract：:Protein-A or goat anti-mouse-Ig (GAMIg) covalently bound to agarose-polyacrolein microsphere beads (APAMB) were employed for the removal of T cells from human peripheral blood leukocytes (PBL) and bone marrow (BM). The cell suspensions were treated with a monoclonal anti-T cell antibody (Leu-1) or monoclonal antilymph...

journal_title：Applied biochemistry and biotechnology

authors： Weiss L,Margel S,Slavin S

更新日期：1986-10-01 00:00:00

abstract：:Penicillin acylase of E. coli NCIM 2400 has been purified to homogeneity using a combination of hydrophobic interaction chromatography and DEAE-cellulose treatment. A variety of substituted matrices were synthesized using D- or DL-phenylglycine, norleucine, ampicillin, or amoxycillin as ligands, all of which retained ...

journal_title：Applied biochemistry and biotechnology

authors： Mahajan PB,Borkar PS

更新日期：1984-10-01 00:00:00

abstract：:A new medical application of an immobilized microbial enzyme is described. Extracorporeal devices require systemic heparin administration to prevent thrombus formation; however, the use of heparin often leads to serious hemorrhagic complications. Heparinase isolated from Flavobacterium has been immobilized and used in...

journal_title：Applied biochemistry and biotechnology

authors： Linhardt RJ,Cooney CL,Tapper D,Zannetos CA,Larsen AK,Langer R

更新日期：1984-02-01 00:00:00

abstract：:To achieve targeted distribution of anticancer drugs with sustained activity, ferromagnetic ethylcellulose microcapsules containing an anticancer drug, mitomycin C (FM-MMC-mc), were prepared by a method based on phase separation principles. Two prototypes of FM-MMC-mc were made: one with the drug as the core and zinc ...

journal_title：Applied biochemistry and biotechnology

authors： Kato T,Nemoto R,Mori H,Abe R,Unno K,Goto A,Murota H,Harada M,Homma M

更新日期：1984-01-01 00:00:00

abstract：:In this paper we concentrate our attention on the stability and transient behavior of the isothermal system (CSTR) with a substrate-inhibited enzyme reaction producing hydrogen ions. Our investigation covers the region of multiple steady states uncovered previously (1) (ordinary hysteresis and isola). We investigate t...

journal_title：Applied biochemistry and biotechnology

authors： Elnashaie SS,Elrifaie MA,Ibrahim G,Badra G

更新日期：1983-12-01 00:00:00

abstract：:Aspartate aminotransferase (AspAT, EC 2.6.1.1) was bound on CNBr-activated Sepharose and the effects of immobilization on the maximum velocity, biologically active pyridoxal-5'-phosphate (PLP), and transaminationable active centers were studied. By comparing these parameters of soluble and immobilized enzyme the facto...

journal_title：Applied biochemistry and biotechnology

authors： Kurkijärvi K,Korpela T

更新日期：1983-04-01 00:00:00