Production and characterization of two monoclonal antibodies against human myeloperoxidase.

abstract：:Diadenosine 5',5'''-P1,P4-tetraphosphate (Ap4A) phosphorylase has been isolated previously using classical protein isolation techniques [A. Guranowski and S. Blanquet (1985) J. Biol. Chem. 260, 3542-3547]. A protein A-Sepharose immunoaffinity column was prepared to simplify the purification procedure. The immunoaffini...

journal_title：Biotechnology and applied biochemistry

authors： Avila DM,Kaushal V,Barnes LD

更新日期：1990-06-01 00:00:00

abstract：:HIV stimulates strong immune CD8(+) cytotoxic T lymphocytes (CTL) response in infected people, despite causing an immunodeficiency. It has been demonstrated that this response could be very important for the control of the virus. We have shown previously that a recombinant fowlpox virus (rFWPV), expressing the multi-e...

journal_title：Biotechnology and applied biochemistry

authors： Vázquez-Blomquist D,González S,Duarte CA

更新日期：2002-12-01 00:00:00

abstract：:St. John's wort ( Hypericum perforatum L.) is a herbaceous perennial distributed throughout the World that has been widely used in traditional medicine. H. perforatum produces several types of biologically active compound, including the hypericins--a family of light-activated anthraquinones, localized within specializ...

journal_title：Biotechnology and applied biochemistry

authors： Kirakosyan A,Sirvent TM,Gibson DM,Kaufman PB

更新日期：2004-02-01 00:00:00

abstract：:The objective of this work is to develop structured, segregated stochastic models for bioprocesses using time-series flow cytometric (FC) data. To this end, mammalian CHO cells were grown in both batch and fed-batch cultures, and their viable cell numbers (VCDs), monoclonal antibody (MAb), cell cycle phases, mitochond...

journal_title：Biotechnology and applied biochemistry

authors： Shirsat N,Avesh M,English NJ,Glennon B,Al-Rubeai M

更新日期：2013-09-01 00:00:00

abstract：:The tyrosine phenol-lyase (TPL) gene of Erwinia herbicola was cloned and expressed in Escherichia coli, and the complete nucleotide sequence of the gene determined. The TPL gene comprises 1368 bp, encoding 456 amino acids which have 90% amino acid identity with TPL from Citrobacter freundii. After replacing the 5'-fla...

journal_title：Biotechnology and applied biochemistry

authors： Iwamori S,Oikawa T,Ishiwata K,Makiguchi N

更新日期：1992-08-01 00:00:00

abstract：:The dynamics of dissolved oxygen (DO) and shear stress in the vasculature microenvironment play a major role in determining the fate of stem cells in adults and during early embryonic development. In this study, we present a microbioreactor (MBR) that provides independent control over oxygen tension and shear stress i...

journal_title：Biotechnology and applied biochemistry

authors： Abaci HE,Devendra R,Soman R,Drazer G,Gerecht S

更新日期：2012-03-01 00:00:00

abstract：:Auricularia polytricha belonging to Basidiomycota has the ability to degrade lignocellulose. However, there has been no resource in public databases examining the transcriptome of A. polytricha. In this study, high-throughput sequencing platform BGISEQ-500 was used to generate large amount of transcript sequences from...

journal_title：Biotechnology and applied biochemistry

authors： Jiang S,Zheng X,Li L

更新日期：2020-08-12 00:00:00

abstract：:A simple, specific, sensitive and reproducible ELISA has been developed to quantify the level of CPS (capsular polysaccharide) production in supernatants of Streptococcus pneumoniae cell cultures. CPSs from Strep. pneumoniae have been widely used as vaccine antigens. The quantification method is based on two type-23F ...

journal_title：Biotechnology and applied biochemistry

authors： Cruz-Leal Y,Menéndez T,Coizeau E,Espinosa RR,Canaan L,Blanco F,Carmenate T,Chang J,Quiñones D,Tamargo I,Cremata J,Verez-Bencomo V,Guillén G

更新日期：2006-05-01 00:00:00

abstract：:Acid phosphatase (EC 3.1.3.2) from Vigna aconitifolia seeds was purified to apparent homogeneity by using ammonium sulfate fractionation and cation-exchange chromatography [carboxymethyl (CM) cellulose]. The enzyme was 228-fold purified with 14.6% recovery. Analytical gel filtration chromatography on Sephadex G-200 co...

journal_title：Biotechnology and applied biochemistry

authors： Anand A,Srivastava PK

更新日期：2014-03-01 00:00:00

abstract：:A truncated precursor form of prostate-specific antigen (PSA), [-2]proPSA, is a well-known biomarker for prostate cancer. To develop a biomarker assay, highly purified [-2]proPSA is required as a standard reference and for generation of a specific antibody. In this study, we generated an efficient mammalian expression...

journal_title：Biotechnology and applied biochemistry

authors： Hwang D,Yoon A,Kim S,Kim H,Chung J

更新日期：2017-05-01 00:00:00

abstract：:Second-generation bioethanol production process was developed using pretreated empty fruit bunches (EFB). Consecutive acid/alkali EFB pretreatment was performed, first with HCl and then with NaOH with final washing steps for phenolic compounds elimination. Scanning electron microscopy images showed that EFB chemical t...

journal_title：Biotechnology and applied biochemistry

authors： Campioni TS,Soccol CR,Libardi Junior N,Rodrigues C,Woiciechowski AL,Letti LAJ,Vandenberghe LPS

更新日期：2020-09-01 00:00:00

abstract：:The application of the sulfhydryl protease ficin as biocatalyst is proposed as a novel method for enzyme-catalyzed synthesis of dipeptides. The negligible peptidase but considerable esterase activity at alkaline pH facilitated the kinetically controlled formation of peptide bonds by coupling the ester substrates Z-Ala...

journal_title：Biotechnology and applied biochemistry

authors： Monter B,Herzog B,Stehle P,Fürst P

更新日期：1991-10-01 00:00:00

abstract：:The combination of IL-2 (interleukin-2) and GM-CSF (granulocyte/macrophage colony-stimulating factor) has been broadly studied in antitumour immune therapy, but its efficacy is uncertain. To better exert the activities of the two cytokines and study them in a mouse model, we have constructed a bifunctional protein, hI...

journal_title：Biotechnology and applied biochemistry

authors： Wen Q,Ma L,Luo W,Zhou MQ,He D,Lin Y,Wu ZQ,He XW,Wang JF,Wang XN

更新日期：2008-05-01 00:00:00

abstract：:The purpose of the present study was to investigate the effects of garlic (Allium sativum L.) on the diabetic nephropathy and oxidative stress induced by STZ (streptozotocin) in rats. Diabetes was induced in Male Sprague-Dawley rats by administering a single intraperitoneal injection of STZ (60 mg/kg of body weight). ...

journal_title：Biotechnology and applied biochemistry

authors： Mariee AD,Abd-Allah GM,El-Yamany MF

更新日期：2009-03-01 00:00:00

abstract：:Production of His-BbST [hexahistidine-tagged BbST (bubaline somatotropin)] by auto-induction in high-density shake-flask cultures coupled with a single-step, on-column purification and refolding strategy is described here. To optimize expression of BbST, different media and expression conditions were tested. The highe...

journal_title：Biotechnology and applied biochemistry

authors： Sadaf S,Khan MA,Akhtar MW

更新日期：2007-05-01 00:00:00

abstract：:The use of the recombinant BoNT/A-Hc (carboxylic domain of the Clostridium botulinum neurotoxin heavy chain) has been proposed as a vaccine candidate for botulism. This fragment contains the principle protective antigenic determinant. In the present study, in order to maximize recombinant protein expression, after ver...

journal_title：Biotechnology and applied biochemistry

authors： Yari K,Fatemi SS,Tavallaei M

更新日期：2010-05-24 00:00:00

abstract：:Single base mismatched oligonucleotides related to the rpoB gene of Mycobacterium tuberculosis, the mutations of which cause drug resistance of the infectious agent, were detected and discriminated using a surface plasmon resonance biosensor system. Thiol-modified oligonucleotides of the selected sequence (the probe) ...

journal_title：Biotechnology and applied biochemistry

authors： Rachkov A,Patskovsky S,Soldatkin A,Meunier M

更新日期：2013-07-01 00:00:00

abstract：:A sensitive label-free electrochemical aptasensor was successfully fabricated for thrombin detection with platinum nanoparticles (Pt) and blocking reagent horseradish peroxidase (HRP) as enhancers. A Nafion®-graphene-coated electrode was first modified with an electrochemical probe of methylene blue (MB) through elect...

journal_title：Biotechnology and applied biochemistry

authors： Sun T,Wang L,Li N,Gan X

更新日期：2011-07-01 00:00:00

abstract：:To reduce the degradation pathway of rhIFN-gamma (recombinant human interferon-gamma), the susceptibility against oxidative stress during fermentation in Escherichia coli cells and in purification process were investigated. Fermentations of recombinant E. coli were performed at 5, 30 and 60% DO (dissolved oxygen) conc...

journal_title：Biotechnology and applied biochemistry

authors： Mohammadian-Mosaabadi J,Naderi-Manesh H,Maghsoudi N,Khalilzadeh R,Shojaosadati SA,Ebrahimi M

更新日期：2005-02-01 00:00:00

abstract：:The ability to perform organic reactions with chemoselectivity is of critical importance in synthesis. Recently, we reported that a de novo carbene transferase, a tetra-α-helical c-type heme-containing protein, C45, is proficient at N-H insertion reactions, proceeding via the intermolecular transfer of a metallocarben...

journal_title：Biotechnology and applied biochemistry

authors： Stenner R,Anderson JLR

更新日期：2020-07-01 00:00:00

abstract：:We have explored the adaptation of the cytochromes P450 (P450) of deep-sea bacteria to high hydrostatic pressures. Strict conservation of the protein fold and functional importance of protein-bound water make P450 a unique subject for the studies of high-pressure adaptation. Earlier, we expressed and purified a fatty-...

journal_title：Biotechnology and applied biochemistry

authors： Davydov DR,Sineva EV,Davydova NY,Bartlett DH,Halpert JR

更新日期：2013-01-01 00:00:00

abstract：:Synthetic membranes containing 10% acrylamide units were subjected to activation with formaldehyde at pH 7.5 and 45 degrees C. Trypsin, invertase, and urease were bound to this activated membrane and the kinetic properties of immobilized enzymes were studied. The permeability of the membrane for distilled water manife...

journal_title：Biotechnology and applied biochemistry

authors： Krysteva MA,Shopova BI,Yotova LY,Karasavova MI

更新日期：1991-02-01 00:00:00

abstract：:Among the heat-shock proteins (HSPs) induced in response to heat-shock (HS) in all organisms, the low-molecular-mass (LMM) HSPs are the most abundant and unique in plants. The HSP genes at the transcriptional and the translational levels have been well-characterized; however, relatively little is known about the physi...

journal_title：Biotechnology and applied biochemistry

authors： Yeh KW,Jinn TL,Yeh CH,Chen YM,Lin CY

更新日期：1994-02-01 00:00:00

abstract：:Porcine circovirus type 2 (PCV2) still represents a major problem to the swine industry worldwide, causing high mortality rates in infected animals. Virus-like particles (VLPs) have gained attention for vaccine development, serving both as scaffolds for epitope expression and immune response enhancers. The commercial ...

journal_title：Biotechnology and applied biochemistry

authors： Aguilera BE,Chávez-Calvillo G,Elizondo-Quiroga D,Jimenez-García MN,Carrillo-Tripp M,Silva-Rosales L,Hernández-Gutiérrez R,Gutiérrez-Ortega A

更新日期：2017-05-01 00:00:00

abstract：:A decrease in the specific activity of an enzyme is commonly observed when the enzyme is inappropriately handled or is stored over an extended period. Here, we reported a functional transition of an FMN-bound diaphorase (FMN-DI) that happened during the long-term storage process. It was found that FMN-DI did not simpl...

journal_title：Biotechnology and applied biochemistry

authors： Huston S,Collins J,Sun F,Zhang T,Vaden TD,Zhang YP,Fu J

更新日期：2018-05-01 00:00:00

abstract：:Heparin is a widely used clinical anticoagulant that is prepared from pig intestine. A contamination of heparin in 2008 has led to a reexamination of animal-derived pharmaceuticals. A bioengineered heparin prepared by bacterial fermentation and chemical and enzymatic processing is currently under development. This stu...

journal_title：Biotechnology and applied biochemistry

authors： Suwan J,Torelli A,Onishi A,Dordick JS,Linhardt RJ

更新日期：2012-11-01 00:00:00

abstract：:An extremely thermostable UDP-GlcNAc pyrophosphorylase has been purified from Thermus caldophilus GK24 by chromatographic methods including ion-exchange, hydrophobic interaction, and affinity chromatographies. The specific activity of the enzyme was enriched 41.8-fold, with a recovery of 2%. The molecular mass of the ...

journal_title：Biotechnology and applied biochemistry

authors： Kim JS,Koh S,Shin HJ,Lee DS,Lee SY

更新日期：1999-02-01 00:00:00

abstract：:A pathway for the synthesis of the repeating tetrasaccharide units in gellan gum from Pseudomonas elodea is proposed. The enzymes presumed to be involved in the synthesis of the activated precursors UDP-glucose, TDP-rhamnose, and UDP-glucuronic acid were detected and assayed in crude cell extracts of the gellan-produc...

journal_title：Biotechnology and applied biochemistry

authors： Martins LO,Sá-Correia I

更新日期：1991-12-01 00:00:00

abstract：:Abdominal aortic aneurysm (AAA) is a vascular disease found to have progressive growth in the area of aorta. Rupturing of aorta causes excessive bleeding that leads to health-related issues, which can be fatal sometimes. Therefore, it becomes important to make early diagnosis of AAA and its condition and start immedia...

journal_title：Biotechnology and applied biochemistry

authors： Qiu C,Wang X,Zhang X,Li Z,Zhou Y,Kang J

更新日期：2020-08-15 00:00:00

abstract：:A deletion htpR mutant of Escherichia coli has been constructed on the basis of site-directed mutagenesis. To this end, the chromosomal allele of htpR gene was substituted by a mutant allele introduced into the cell with a recombinant plasmid. The htpR mutant is characterized by a reduced level of proteolysis and ther...

journal_title：Biotechnology and applied biochemistry

authors： Kiselev VI

更新日期：1988-10-01 00:00:00