Addressing endotoxin issues in bioengineered heparin.

abstract：:Catalytic properties of Escherichia coli polyphosphate kinase (EC 2.7.4.1), a promising enzyme for use in ATP regeneration (Hoffman, et al., 1988, Biotechnol. Appl. Biochem. 10, 107-117), are reported here. E. coli polyphosphate kinase (PPK) is broadly active in the pH range 5.5 to 8.5, having an optimal Vmax at pH 7....

journal_title：Biotechnology and applied biochemistry

authors： Haeusler PA,Dieter L,Rittle KJ,Shepler LS,Paszkowski AL,Moe OA

更新日期：1992-04-01 00:00:00

abstract：:Three peptides complementary to exposed regions of two low-M(r) phosphotyrosine protein phosphatase isoenzymes and of the acylphosphatase muscle isoenzyme have been synthesized. Each peptide was synthesized on two different types of resins; the peptides were anchored to the resins by amide linkages. The peptide resins...

journal_title：Biotechnology and applied biochemistry

authors： Stefani M,Bucciantini M,Taddei N,Mincione G,Manao G,Ramponi G

更新日期：1994-10-01 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：: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：:Recently, hPNAS-4 [human PNAS-4; also known as C1orf121 (Genbank accession number NP-057160)] was reported to be a novel pro-apoptotic protein in mammalian cells. However, at present there is little information about hPNAS-4 and its molecular mechanisms. In our present studies, the hPNAS-4 gene was first cloned into t...

journal_title：Biotechnology and applied biochemistry

authors： Deng H,Jiang Q,Liang S,Yan F,Hou S,Qian Z,Li J,Wen Y,Yang J,Wei Y

更新日期：2010-02-11 00:00:00

abstract：:Acetone-butanol-ethanol (ABE) fermentation was performed with sugarcane bagasse (SCB) hydrolysate using Clostridium beijerinckii strains. A cost-effective SCB medium was developed with no enzymatic hydrolysis and no supplementation of extra carbon source or expensive nitrogen source. One of the C. beijerinckii strains...

journal_title：Biotechnology and applied biochemistry

authors： Narayanasamy S,Chan KL,Cai H,Abdul Razak AHB,Tay BK,Miao H

更新日期：2020-09-01 00:00:00

abstract：:A novel, improved dual bacterial-expression system, designed for large-scale generation of high-quality polyclonal antibody preparations intended for proteomics research, is presented. The concept involves parallel expression of cDNA-encoded proteins, as a fusion with two different tags in two separate vector systems....

journal_title：Biotechnology and applied biochemistry

authors： Falk R,Agaton C,Kiesler E,Jin S,Wieslander L,Visa N,Hober S,Ståhl S

更新日期：2003-12-01 00:00:00

abstract：:Flat panels are the most spread type of photobioreactors for studying light effects on a microalgae culture. Their low thickness, usually between 1 and 3 cm, aims at ensuring light homogeneity across the culture. Yet because optical density has to remain very low, studies are still limited to low cell density cultures...

journal_title：Biotechnology and applied biochemistry

authors： Jiang W,Levasseur W,Casalinho J,Martin T,Puel F,Perré P,Pozzobon V

更新日期：2020-02-03 00:00:00

abstract：:So far, many studies have focused on biodegradable scaffolds for tissue engineering purposes. Herein, a starch-based biodegradable scaffold was fabricated by the freeze-drying method and cross-linked using a different concentration of 3-glycidoxypropyl-trimethoxysilane (GPTMS). Field emission scanning electron microsc...

journal_title：Biotechnology and applied biochemistry

authors： Aidun A,Zamanian A,Ghorbani F

更新日期：2019-01-01 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：:We evaluated a new protocol for measurement of cyclosporine A (CsA) 2 H after dose (C2) on the V-Twin® analyzer. Imprecision, recovery, and linearity were determined using CsA-spiked blood pools. Accuracy was evaluated using specimens from renal, cardiac, and liver transplant patients, and results were compared with t...

journal_title：Biotechnology and applied biochemistry

authors： Morjana N,Yau H,Rea D,Ruttle D,Jones H,Siefring G Jr,Christenson R

更新日期：2011-11-01 00:00:00

abstract：:Human thymosin alpha1 is an effective immune system enhancer for the treatment of cancer and viral diseases. Therefore the development of new methods for its synthesis is an urgent problem. In the present work, we propose an efficient scalable scheme for the production of recombinant thymosin alpha1. We used an expres...

journal_title：Biotechnology and applied biochemistry

authors： Esipov RS,Stepanenko VN,Beyrakhova KA,Muravjeva TI,Miroshnikov AI

更新日期：2010-05-19 00:00:00

abstract：:The aim of this paper is to make the point on the fortieth years study on the β-glycosidase from Sulfolobus solfataricus. This enzyme represents one of the thermophilic biocatalysts, which is more extensively studied as witnessed by the numerous literature reports available since 1980. Comprehensive biochemical studie...

journal_title：Biotechnology and applied biochemistry

authors： Febbraio F,Ionata E,Marcolongo L

更新日期：2020-07-01 00:00:00

abstract：:Lys and Leu were generally considered as the key amino acids for brewer's yeast during beer brewing. In the present study, peptide Lys-Leu and a free amino acid (FAA) mixture of Lys and Leu (Lys + Leu) were supplemented in 24 °P wort to examine their effects on physiological activity and fermentation performance of br...

journal_title：Biotechnology and applied biochemistry

authors： Yang H,Zong X,Cui C,Mu L,Zhao H

更新日期：2018-07-01 00:00:00

abstract：:Limit of detection (LOD), limit of quantification, and the dynamic range of detection of hepatitis B surface antigen antibody (anti-HBs) using a surface plasmon resonance (SPR) chip-based approach with Pichia pastoris-derived recombinant hepatitis B surface antigen (HBsAg) as recognition element were established throu...

journal_title：Biotechnology and applied biochemistry

authors： Tam YJ,Zeenathul NA,Rezaei MA,Mustafa NH,Azmi MLM,Bahaman AR,Lo SC,Tan JS,Hani H,Rasedee A

更新日期：2017-09-01 00:00:00

abstract：:In the erythrocyte membrane, the mobility of band 3 protein, the receptor for concanavalin A (Con A), is drastically reduced by the membrane skeleton. Yet, the vesicles free of membrane skeletal proteins, isolated from the highly agglutinable proteinase-treated cells, are found to be devoid of Con A agglutinability. T...

journal_title：Biotechnology and applied biochemistry

authors： Pestonjamasp KN,Gokhale SM,Mehta NG

更新日期：1990-10-01 00:00:00

abstract：:Most large-scale microbial production of recombinant proteins are based on Escherichia coli, yeasts, or filamentous fungi systems. Using eukaryotic hosts, antibody fragments are generally expressed by targeting to the secretory pathway. This enables not only efficient disulfide bond formation but also secretion of sol...

journal_title：Biotechnology and applied biochemistry

authors： Ezzine A,M'hirsi El Adab S,Bouhaouala-Zahar B,Hmila I,Baciou L,Marzouki MN

更新日期：2012-01-01 00:00:00

abstract：:Microparticles have been used for delivery of chemo- and radio-therapeutic agents to tumours in patients for more than a decade, whereas cationic liposomes have been used for introducing nucleic acids into mammalian cells for the same period of time. This minireview discusses the potential of delivering therapeutic ON...

journal_title：Biotechnology and applied biochemistry

authors： Dass CR

更新日期：2004-10-01 00:00:00

abstract：:Renal fibrosis results in the progressive renal dysfunction and leads to chronic kidney disease (CKD) and ultimately end-stage renal disease. Asiaticoside was reported to regulate synaptopodin, desmin, nephrin and podocin levels in adriamycin-induced nephropathy of rats. In this study, we found out that asiaticoside i...

journal_title：Biotechnology and applied biochemistry

authors： Zhang M,Liu S,Fang L,Wang G

更新日期：2021-01-14 00:00:00

abstract：:A simplified and low-cost method, boiling lysis, was developed and used to purify the truncated DNA polymerase Stoffel fragment after overproduction of the enzyme in Escherichia coli. The method is based on the thermostable properties of the Stoffel fragment. Conditions such as the boiling time and number of cycles em...

journal_title：Biotechnology and applied biochemistry

authors： Yang Z,Ding Y,Zhang Y,Liu F

更新日期：2008-06-01 00:00:00

abstract：:In this study, laccase from Trametes versicolor was immobilized in poly(acrylamide-crotonic acid)/sodium alginate [P(AAm-CrA)/alginate], poly(acrylamide-crotonic acid)/K-carrageenan [(P(AAm-CrA)/K-car)], poly(acrylamide-citraconic acid)/sodium alginate (P(AAm-CA)/alginate), and poly(acrylamide-citraconic acid)/K-carra...

journal_title：Biotechnology and applied biochemistry

authors： Koklukaya SZ,Sezer S,Aksoy S,Hasirci N

更新日期：2016-09-01 00:00:00

abstract：:Colloidal carriers based on silica (Si) matrices are an innovative approach within the context of therapeutic drug delivery systems. These carriers are emerging as a great promise for diagnosis and treatment of a wide range of injuries, particularly in cancer and infectious diseases. In addition, bioencapsulation for ...

journal_title：Biotechnology and applied biochemistry

authors： Andreani T,Silva AM,Souto EB

更新日期：2015-11-01 00:00:00

abstract：:Human erythrocytes from ten patients with chronic obstructive pulmonary disease (COPD) were loaded with increasing amounts of dexamethasone 21-phosphate and were re-infused into the original donors. Drug-loaded erythrocytes acted as circulating bioreactors, converting the non-diffusible dexamethasone 21-phosphate into...

journal_title：Biotechnology and applied biochemistry

authors： Rossi L,Serafini S,Cenerini L,Picardi F,Bigi L,Panzani I,Magnani M

更新日期：2001-04-01 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：:Lipases are surface-active enzymes, acting on their substrates at the polar/nonpolar interface in emulsions. This study was aimed to test whether their activity, specificity, and the rates of formation/degradation of the various hydrolysis intermediates (i.e., mono- and diglycerides of interest as surface-active agent...

journal_title：Biotechnology and applied biochemistry

authors： Carpen A,Bonomi F,Iametti S,Marengo M

更新日期：2019-07-01 00:00:00

abstract：:A purple-spore, rhizosphere-inhabiting nematophagous fungus, further identified as Paecilomyces lilacinus, was found to grow on chitosanase-detecting plate. An induced endochitosanase having a molecular mass of 23 kDa was purified from the culture medium by a single cation-exchange column-chromatography step. Its opti...

journal_title：Biotechnology and applied biochemistry

authors： Chen YY,Cheng CY,Haung TL,Li YK

更新日期：2005-04-01 00:00:00

abstract：:When crude soya-bean oil was used as the source for biodiesel production, the yield of methyl ester was significantly lower than that from refined soya-bean oil. The major difference between refined and crude soya-bean oils was found to be due to the contents of phospholipids, free acid and water, which have varied in...

journal_title：Biotechnology and applied biochemistry

authors： Du W,Xu YY,Zeng J,Liu DH

更新日期：2004-10-01 00:00:00

abstract：:The development of subunit vaccines is presently the main strategy being evaluated for prevention of infectious diseases. The use of recombinant-DNA techniques has facilitated the development of new principles for design and production of subunit vaccines. First of all, the properties of a target protein immunogen can...

journal_title：Biotechnology and applied biochemistry

authors： Hansson M,Nygren PA,Ståhl S

更新日期：2000-10-01 00:00:00

abstract：:Gene doping can be easily concealed since its product is similar to endogenous protein, making its effective detection very challenging. In this study, we selected insulin-like growth factor I (IGF-I) exogenous gene for gene doping detection. First, the synthetic IGF-I gene was subcloned to recombinant adeno-associate...

journal_title：Biotechnology and applied biochemistry

authors： Zhang JJ,Xu JF,Shen YW,Ma SJ,Zhang TT,Meng QL,Lan WJ,Zhang C,Liu XM

更新日期：2017-07-01 00:00:00

abstract：:Enzymatic synthesis of biodiesel showed advantageous characteristics in relation to other technologies once it works under bland conditions, no generation of wastewater, no occurrence of saponifications reactions and production of a biodiesel with high quality. Although many researches still apply immobilized lipases,...

journal_title：Biotechnology and applied biochemistry

authors： C Wancura JH,Tres MV,Jahn SL,de Oliveira JV

更新日期：2020-07-01 00:00:00