abstract：:The autoimmune repertoire is well known from previous studies to be capable of producing catalytic antibodies directed to self-antigens. In the present study, we explored the ability of 26 monoclonal light chains (L chains) from multiple myeloma patients to cleave radiolabeled gp120, a foreign protein. One L chain wit...

journal_title：Applied biochemistry and biotechnology

authors： Paul S,Kalaga RS,Gololobov G,Brenneman D

更新日期：2000-01-01 00:00:00

abstract：:Success in generating catalytic antibodies as enzyme mimics lies in the strategic design of the transition-state analog (TSA) for the reaction of interest, and careful development of screening processes for the selection of antibodies that are catalysts. Typically, the choice of TSA structure is straightforward, and t...

journal_title：Applied biochemistry and biotechnology

authors： DeSilva BS,Orosz G,Egodage KL,Carlson RG,Schowen RL,Wilson GS

更新日期：2000-01-01 00:00:00

abstract：:Xanthomonas campestris w.t. was used for production of xanthan gum in fermentations with chestnut flour for the first time. Fermentations were carried out with either chestnut flour or its soluble sugars (33.5%) and starch (53.6%), respectively, at 28 degrees C and 200 rpm at initial pH 7.0 in flasks. The effect of ag...

journal_title：Applied biochemistry and biotechnology

authors： Liakopoulou-Kyriakides M,Psomas SK,Kyriakidis DA

更新日期：1999-12-01 00:00:00

abstract：:To provide a mathematical basis for the design and operation of a continuous, packed-bed reactor for the interesterification of soybean oil, soybean oil that contains 22.7% oleoyl and 54.3% linoleoyl moieties as molar acyl moiety composition was interesterified in hexane with oleic acid, using an immobilized sn-1,3-sp...

journal_title：Applied biochemistry and biotechnology

authors： Akimoto M,Nagashima Y,Sato D

更新日期：1999-08-01 00:00:00

abstract：:Development and application of a system for real-time quantitative assessment of individual cell activities in a mixed culture system was investigated. This was based on a concept that the activities of individual cells in a mixed culture can be assessed if the cells are physically separated (in separate compartments)...

journal_title：Applied biochemistry and biotechnology

authors： Tanaka H,Ebata T,Kuwahara I,Matsuo M,Ogbonna JC

更新日期：1999-04-01 00:00:00

abstract：:Foam fractionation is one of the low operating-cost techniques for removing proteins from a dilute solution. The initial bulk solution pH and air superficial velocity play an important role in the foam-fractionation process. Denaturation of proteins (enzymes) can occur, however, during the foam-fractionation process f...

journal_title：Applied biochemistry and biotechnology

authors： Loha V,Prokop A,Du L,Tanner RD

更新日期：1999-04-01 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：:The effect of nutrients on L(+)-lactic acid production from glucose was investigated using Rhizopus oryzae ATCC 52311. From the shake-flask experiments, the optimal medium composition was defined for improved lactic-acid production. In order to enhance lactic-acid production rate and product yield, controlled aeration...

journal_title：Applied biochemistry and biotechnology

authors： Zhou Y,Domínguez JM,Cao N,Du J,Tsao GT

更新日期：1999-04-01 00:00:00

abstract：:A new label--laccase from the fungus Coriolus hirsutus--was applied for solid-phase enzyme-linked immunosorbent assays of the pesticide 2,4-dichlorophenoxyacetic acid (2,4-D). Two proposed assays are based on (1) competitive binding of antibody-laccase conjugate with immobilized 2,4-D-protein conjugate and 2,4-D in te...

journal_title：Applied biochemistry and biotechnology

authors： Zherdev AV,Bizova NA,Yaropolov AI,Lyubimova NV,Morozova OV,Dzantiev BB

更新日期：1999-03-01 00:00:00

abstract：:Laccase is one of the lignolytic enzymes found in liquid cultures of the fungus Coriolus zonatus in defined medium. The enzyme was isolated from culture liquid and characterized. Laccase from C. zonatus is a single-chain protein with a molecular mass of 60 kDa. Carbohydrate moiety of enzyme consisted of mannose, galac...

journal_title：Applied biochemistry and biotechnology

authors： Koroljova OV,Stepanova EV,Gavrilova VP,Biniukov VI,Jaropolov AI,Varfolomeyev SD,Scheller F,Makower A,Otto A

更新日期：1999-02-01 00:00:00

abstract：:Extractive fermentation is a widely preferred technique in which the products of fermentation are removed from the fermentation medium by a proper solvent, in order to avoid the inhibitory effects of the products. In this work, decanol, which has a high distribution coefficient with respect to the biocompatible solven...

journal_title：Applied biochemistry and biotechnology

authors： Kapucu H,Mehmetoğlu U

更新日期：1998-11-01 00:00:00

abstract：:Besides existing models of chemical or biotechnological origin for hemoproteins like peroxidases and cytochromes P450, catalytic antibodies (Abs) with a metalloporphyrin cofactor represent a promising alternative route to catalysts tailored for selective oxidation reactions. A brief overview of the literature shows th...

journal_title：Applied biochemistry and biotechnology

authors： Mahy JP,Desfosses B,de Lauzon S,Quilez R,Desfosses B,Lion L,Mansuy D

更新日期：1998-10-01 00:00:00

abstract：:A protein-engineered beta-lactamase, constructed by site-directed mutagenesis in Escherichia coli (E104M/G238S), and having broadened specificity, was able to degrade cephalosporins of first, second, and third generations. Manipulations of culture conditions allowed an increase in beta-lactamase specific activity by u...

journal_title：Applied biochemistry and biotechnology

authors： García JL,Nuñez CJ,González EG,Osuna J,Soberón X,Galindo E

更新日期：1998-05-01 00:00:00

abstract：:In the production of ethanol from lignocellulosic biomass, the hydrolysis of the acetylated pentosans in hemicellulose during pretreatment produces acetic acid in the prehydrolysate. The National Renewable Energy Laboratory (NREL) is currently investigating a simultaneous saccharification and cofermentation (SSCF) pro...

journal_title：Applied biochemistry and biotechnology

authors： Lawford HG,Rousseau JD

更新日期：1998-04-01 00:00:00

abstract：:Amyloglucosidase from Novo (Copenhagen, Denmark) was immobilized in controlled pore silica particles with the silane-glutaraldehyde covalent method. Thermal stability of the free and immobilized enzyme (IE) was determined with 30% (w/v) alpha-amylase liquefied cassava starch, pH 4.5, temperatures from 35 to 75 degrees...

journal_title：Applied biochemistry and biotechnology

authors： Zanin GM,De Moraes FF

更新日期：1998-04-01 00:00:00

abstract：:The yeast Saccharomyces cerevisiae has been used to efficiently produce L-malic acid from fumaric acid. Fumarase is responsible for the reversible conversion of fumaric and L-malic acids in the TCA cycle. To investigate the function of mitochondrial and cytoplasmic fumarase isoenzymes in L-malic acid bioconversion, a ...

journal_title：Applied biochemistry and biotechnology

authors： Wang X,Gong CS,Tsao GT

更新日期：1998-04-01 00:00:00

abstract：:The potential market for lactic acid as the feedstock for biodegradable polymers, oxygenated chemicals, and specialty chemicals is significant. L-lactic acid is often the desired enantiomer for such applications. However, stereospecific lactobacilli do not metabolize starch efficiently. In this work, Argonne researche...

journal_title：Applied biochemistry and biotechnology

authors： Tsai SP,Moon SH

更新日期：1998-04-01 00:00:00

abstract：:Xylans are the major components of the hemicellulosic fraction of lignocellulosic biomass and their hydrolysis can be obtained using xylanases from Penicillium janthinellum. In this work, sugarcane bagasse hemicellulosic hydrolysate was used as the substrate for producing xylanase. The precipitation of these enzymes w...

journal_title：Applied biochemistry and biotechnology

authors： Cortez EV,Pessoa A Jr,Assis AN

更新日期：1998-04-01 00:00:00

abstract：:Asphaltenes from a crude oil rich in heavy metals (Castilla crude oil) were fractionated and partially characterized. Biocatalytic modifications of these fractionated asphaltenes by three different hemoproteins: chloro-peroxidase (CPO), cytochrome C peroxidase (Cit-C), and lignin peroxidase (LPO) were evaluated in bot...

journal_title：Applied biochemistry and biotechnology

authors： Mogolloń L,Rodríguez R,Larrota W,Ortiz C,Torres R

更新日期：1998-04-01 00:00:00

abstract：:Batch, fed-batch, and semicontinuous fermentation processes were used for the production of xylitol from sugarcane bagasse hemicellulosic hydrolysate. The best results were achieved by the semicontinuous fermentation process: a xylitol yield of 0.79 g/g with an efficiency of 86% and a volumetric productivity of 0.66 g...

journal_title：Applied biochemistry and biotechnology

authors： Rodrigues DC,Silva SS,Prata AM,Felipe MG

更新日期：1998-04-01 00:00:00

abstract：:The abilities of lignin peroxidase (LIP) and manganese peroxidase (MNP) from Phanerochaete chrysosporium to degrade an insoluble hardwood lignin in vitro in aqueous media were tested. Neither LIP nor MNP appreciably changed the mass or lignin content, although both produced small amounts of unique solubilized lignin f...

journal_title：Applied biochemistry and biotechnology

authors： Thompson DN,Hames BR,Reddy CA,Grethlein HE

更新日期：1998-04-01 00:00:00

abstract：:Atomic force microscopy was used to study the geometric structure of collagen fibrils and molecules of rat calcanean tendon tissues. The authors found that the diameter of the fibrils ranged from 124 to 170 nm, and their geometric form suggested a helical winding with spectral period from 59.4 to 61.7 nm, close to the...

journal_title：Applied biochemistry and biotechnology

authors： Baranauskas V,Vidal BC,Parizotto NA

更新日期：1998-02-01 00:00:00

abstract：:Diacetyl production via alpha-acetolactic acid (ALA) extracellular decarboxylation in Lactococcus lactis spp. lactis bv. diacetylactis SD 933 cultures has been assessed under anaerobiosis both in batch and continuous fermentations at pH 5.5 and 8.0 by studying the effects of alpha-acetolactate decarboxylase (ADC) addi...

journal_title：Applied biochemistry and biotechnology

authors： Rondags E,Halliday E,Marc I

更新日期：1998-02-01 00:00:00

abstract：:Further characterization of an aspartyl protease from Mucor bacilliformis with milk-clotting activity was performed. An extinction coefficient, epsilon 278 cm = 1.61 mL/mg/cm, a molecular mass of 35,400 Da and a pI of 5.2 were determined. Proteolytic activity and kinetic parameters were evaluated by using the hexapept...

journal_title：Applied biochemistry and biotechnology

authors： Venera GD,Machalinski C,Zumárraga H,Biscoglio de Jiménez Bonino MJ

更新日期：1997-12-01 00:00:00

abstract：:Diffusion of antibody protein from hydrogel films and hydrogel encapsulated in a microcapillary was studied. Thin hydrogel films were formed by crosslinking 6-acryloyl-B-O-methylgalactoside with N,N'-methylene-bis-acrylamide and the diffusive transport of monoclonal antimouse IgG-FITC into and out of the hydrate films...

journal_title：Applied biochemistry and biotechnology

authors： Markowitz MA,Turner DC,Martin BD,Gaber BP

更新日期：1997-10-01 00:00:00

abstract：:We screened about a hundred microorganisms (including unidentified yeasts, fungi, and bacteria) for their ability to produce xylanolytic enzymes. About 40 of them were hemicellulolytic; among these, we selected Penicillium canescens 10-10c for detailed study because of its ability to produce an interesting enzymatic c...

journal_title：Applied biochemistry and biotechnology

authors： Gaspar A,Cosson T,Roques C,Thonart P

更新日期：1997-07-01 00:00:00

abstract：:The authors have recently reported on the design of a protein (MB-1) enriched in methionine, threonine, lysine, and leucine. The protein is intended to be produced by rumen bacteria, in a way that would provide high producing lactating cows with limiting amino acids. In this report, MB-1 stability in the rumen is asse...

journal_title：Applied biochemistry and biotechnology

authors： MacCallum JD,Hefford MA,Omar S,Beauregard M

更新日期：1997-04-01 00:00:00

abstract：:With regard to the enzymatic synthesis of sorbitol and gluconic acid, a screening was carried out to identify promising producers of glucose-fructose oxidoreductase (GFOR) and gluconolactonase (GL). Zymomonas mobilis DSM 473 and Rhodotorula rubra DSM 70403 have been selected for the synthesis of GFOR and GL, respectiv...

journal_title：Applied biochemistry and biotechnology

authors： Nidetzky B,Fürlinger M,Gollhofer D,Haug I,Haltrich D,Kulbe KD

更新日期：1997-04-01 00:00:00

abstract：:Polysaccharide glycosyl hydrolases are a group of enzymes that hydrolyze the glycosidic bond between carbohydrates or between a carbohydrate and a noncarbohydrate moiety. Here we illustrate that traditional schemes for grouping enzymes, such as by substrate specificity or by organism of origin, are not appropriate whe...

journal_title：Applied biochemistry and biotechnology

authors： Himmel ME,Karplus PA,Sakon J,Adney WS,Baker JO,Thomas SR

更新日期：1997-04-01 00:00:00

abstract：:Potassium acetate is currently made by reacting petroleum-based acetic acid with potassium hydroxide. An alternate process, anaerobic fermentation of dextrose with Clostridium thermoaceticum, could be used and could possibly be cheaper. Growth characteristics and productivity of the fermentation were optimized to maxi...

journal_title：Applied biochemistry and biotechnology

authors： Shah MM,Akanbi F,Cheryan M

更新日期：1997-04-01 00:00:00

abstract：:Batch fermentations of sugar cane bagasse hemicellulosic hydrolysate treated for removing the inhibitors of the fermentation were performed by Candida guilliermondii FTI20037 for xylitol production. The fermentative parameters agitation and aeration rate were studied aiming the maximization of xylitol production from ...

journal_title：Applied biochemistry and biotechnology

authors： Silva SS,Ribeiro JD,Felipe MG,Vitolo M

更新日期：1997-04-01 00:00:00

abstract：:Outdoor production of microalgae could be set on a sound industrial basis if solar energy were utilized at a much higher efficiency than presently obtained. Many types of photobioreactors have been developed in the past in an attempt to answer this challenge, but their photosynthetic efficiency has been rather similar...

journal_title：Applied biochemistry and biotechnology

authors： Richmond A,Qiang H

更新日期：1997-04-01 00:00:00

abstract：:The Institute of Gas Technology (IGT) conducted a pilot-scale study at a former manufactured gas plant (MGP) site in New Jersey. The objective of the study was to determine the effectiveness of an innovative chemical/biological treatment process (MGP-REM process) to remediate soils contaminated with polynuclear aromat...

journal_title：Applied biochemistry and biotechnology

authors： Pradhan SP,Paterek JR,Liu BY,Conrad JR,Srivastava VJ

更新日期：1997-04-01 00:00:00

abstract：:Hexavalent chromium, Cr(6+), is a common and toxic pollutant in soils and waters. Reduction of the mobile Cr(6+) to the less mobile and less toxic trivalent chromium, Cr(3+), can be achieved with conventional chemical reduction technologies. Alternatively, Cr(6+) can be biochemically reduced to Cr(3+) by anaerobic mic...

journal_title：Applied biochemistry and biotechnology

authors： Turick CE,Camp CE,Apel WA

更新日期：1997-04-01 00:00:00

abstract：:The recovery of alpha-amylase from the crude enzyme preparation by the reversed micellar liquid-liquid extraction was investigated. The reversed micellar solution was formed by dissolving a cationic surfactant Aliquat 336 in six different alkanes (cyclohexane, n-hexane, isooctane, n-octane, n-decane, and n-dodecane) r...

journal_title：Applied biochemistry and biotechnology

authors： Chang QL,Chen JY

更新日期：1997-02-01 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：:Conjunctive administration of the tissue-type plasminogen activator (t-PA) and the urokinase-fibrinogen covalent conjugate (UK-Fbg) was studied by the example of venous thrombosis in dogs. Comparing the effect of separate use of the two components, we observed the potentiation of thrombolytic effect induced by an i.v....

journal_title：Applied biochemistry and biotechnology

authors： Maksimenko AV,Tischenko EG,Petrov AD,Petrova ML,Golubykh VL

更新日期：1996-10-01 00:00:00

abstract：:A microbial cyanide sensor was prepared, consisting of immobilized Saccharomyces cerevisiae and an oxygen electrode. When the electrode was inserted into a solution containing glucose, the respiration activity of the microorganisms increased. The change in the respiration activity is monitored with the oxygen electrod...

journal_title：Applied biochemistry and biotechnology

authors： Nakanishi K,Ikebukuro K,Karube I

更新日期：1996-08-01 00:00:00

abstract：:The Pichia stipitis xylose reductase gene (XYL1) was inserted into an autonomous plasmid that P. stipitis maintains in multicopy. The plasmid pXOR with the XYL1 insert or a control plasmid pJM6 without XYL1 was introduced into P. stipitis. When grown on xylose under aerobic conditions, the strain with pXOR had up to 1...

journal_title：Applied biochemistry and biotechnology

authors： Dahn KM,Davis BP,Pittman PE,Kenealy WR,Jeffries TW

更新日期：1996-04-01 00:00:00

abstract：:As a part of our study on microbial heterogeneity in subsurface environments, we have examined the microbial respiration of sediment samples obtained from a coastal site near Oyster, VA. The sediments at the site are unconsolidated, fine to coarse beach sand and gravel. A Columbus Instruments Micro-Oxymax Respirometer...

journal_title：Applied biochemistry and biotechnology

authors： Chapatwala KD,Babu GR,Vijaya OK,Armstead E,Palumbo AV,Zhang C,Phelps TJ

更新日期：1996-04-01 00:00:00