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2004-11-4 · Formation and Structure of Polyacrylamide Gels HAMID J. NACHASH' and OGUZ OKAY',',' 'TUBITAK Marmara Research Center, Department of Chemistry, P.O. Box 21, 41470 Gebze, Kocaeli, Turkey; 'Kocaeli University, Department of Chemistry, Izmit, Kocaeli, Turkey SYNOPSIS Acrylamide and N,N-methylenebis(acry1amide) (AAm-Bis) copolymerization has been in-
Get PriceSREEKUMARI NAIR et al. Structure and properties of PbS–polyacrylami de nanocomposites 837. estimate their diameter, a hyperbolic model [7], ∆ E = E 2. g + 2 E g (π R) 2 m ∗, (1) was used ...
Get Price2020-7-11 · COMMERCIAL Polyacrylamides Major manufacturers of acrylamide polymers are BASF, SNF Floerger, Shangdong Tongli , and Kemira. Applications. Poly(acrylamide-co-acrylic acid) and its sodium salts (APAM) are widely used as thickening agent, binder, super absorbent, soil conditioner, filtering aid, flocculating agent, crosslinker, suspending agent, lubricant, and oil recovery agent.
Get Price2020-1-22 · Polyacrylamide is formed by the synthesis of acrylamide subunits. This is usually used in water treatment and papermaking. Polyacrylamide plays a significant role in the wastewater management. Hence, the rising environmental concerns for …
Get PricePolyacrylamide, also called poly (1-carbamoylethylene), is used to flocculate solids in a liquid. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.
Get PricePolyacrylamide hydrogel (PAH) is an extensively cross-linked polymeric soft tissue filler substance, that has been used in the Ukraine, Russia, and China for the past 15–20 years (Christensen et al., 2003; Christensen and Breiting, 2006 ). It was originally introduced to aesthetic surgery under the name of Royamid in the Ukraine in the late ...
Get Pricepolyacrylamide, an acrylic resin that has the unique property of being soluble in water. It is employed in the treatment of industrial and municipal wastewater. Polyacrylamides are produced by the polymerization of acrylamide (C3H5NO), a compound obtained by the hydration of acrylonitrile.
Get Price2021-5-29 · Report Scope: In this report, Polyacrylamide for Oilfield market has been segmented into following categories, in addition to the industry trends which have also been detailed below: In terms of ...
Get PriceTaking the superfine tailings slurry (STS), fine tailings slurry (FTS), and unclassified tailings slurry (UTS) of a gold mine as examples, a series of laboratory shear tests were conducted to investigate the effect of anionic polyacrylamide (APAM) on the structural stability of the thickened tailings slurry in pipeline transportation.
Get Price2018-10-20 · Polyacrylamide gel electrophoresis (PAGE) is a technique widely used in biochemistry, forensic chemistry, genetics, molecular biology and biotechnology to separate biological macromolecules, usually proteins or nucleic acids, according to their electrophoretic mobility. The most commonly used form of polyacrylamide gel electrophoresis is the ...
Get Price2001-8-23 · Diversity and community structure of symbiotic dinoflagellates from Caribbean coral reefs. ... onto an 8% polyacrylamide denaturing gel containing a gra- ... The Bahamas and South Water Cay ...
Get PricePolyacrylamide is a kind of efficient additives, is a good assistant, we purify environment polyacrylamide is widely used as flocculant, suspended in liquid has a good job. Many enterprises in order to environmental protection is done using polyacrylamide flocculant, more common is the water purification, textile, coal, paper and other industries.
Get Price2021-5-15 · The cationic monomers on these microblock segments can be polymerized to form a CPAMD with a new cationic microblock structure. In addition, microwave has mechanical effects such as oscillation, emulsification, and diffusion, which can accelerate the heat and mass transfer process of the reaction system, thus accelerating the reaction rate (Wiesbrock et al. 2004; Hoogenboom and …
Get Price2017-3-23 · Bahamas, sympatric M. faveolata and M. annularis in the Florida Keys harbored unique Symbiodinium populations, implying regional host specificity in these relationships. Furthermore, within-colony Symbiodinium population structure remained stable through time and environmental perturbation, including a prolonged bleaching event in 2005.
Get Price在肿瘤微机械刚性起着通过增加侵袭伪足活性和肌动球蛋白收缩驱动恶性行为了至关重要的作用。用聚丙烯酰胺凝胶（部分分配），侵袭伪足和牵引力测定可以被用于研究癌细胞的侵入性和收缩特性响应于矩阵 …
Get PriceIn this study, we characterized the population genetic structure of P. elisabethae across the Bahamas using six microsatellite loci. P. elisabethae was collected from 18 sites across the Bahamas.
Get Price2001-8-23 · Diversity and community structure of symbiotic dinoflagellates from Caribbean coral reefs. ... onto an 8% polyacrylamide denaturing gel containing a gra- ... The Bahamas and South Water Cay ...
Get PricePolyacrylamide. Polyacrylamide production process: Acrylamide aqueous solution is used as a raw material, and polymerization reaction is performed under the action of an initiator. The polyacrylamide gel block generated after the reaction is cut, cut, granulated, dried, and pulverized. According to ionic characteristics, it can be divided into four types: non-ionic, anionic, cationic and ...
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Get PriceAbstract The impact of salts on partially hydrolyzed polyacrylamide (HPAM) is of great interest in mineral processing, considering that the use of seawater seems to be the only sustainable solution in regions with severe aridity. Here the conformation and transport of an HPAM chain in several saline solutions are studied by means of molecular dynamics simulations.
Get PriceProduct Detail Cationic polyacrylamide (cationic polyacrylamides, CPAM) is a linear polymer, its synthesis is introduced in polyacrylamide molecular chain groups with positive charge (more is given priority to with quaternary ammonium salt groups, but due to the selection of monomers of different income CPAM cost and performance also has bigger difference), and to give new polymer performance ...
Get Price2018-10-20 · Polyacrylamide gel electrophoresis (PAGE) is a technique widely used in biochemistry, forensic chemistry, genetics, molecular biology and biotechnology to separate biological macromolecules, usually proteins or nucleic acids, according to their electrophoretic mobility. The most commonly used form of polyacrylamide gel electrophoresis is the ...
Get PricePolyacrylamide is a kind of efficient additives, is a good assistant, we purify environment polyacrylamide is widely used as flocculant, suspended in liquid has a good job. Many enterprises in order to environmental protection is done using polyacrylamide flocculant, more common is the water purification, textile, coal, paper and other industries.
Get Price2020-4-6 · Basic Protocol: . Oligomerization of proteins controls numerous biochemical features, such as the stability of proteins and the activity of enzymes, immune receptors, and ion channels (Gell, Grant, & Mackay, 2012).Gel filtration and blue native polyacrylamide gel electrophoresis (BN-PAGE) are the two principle approaches to studying native protein oligomerization in vitro and in vivo (Fiala ...
Get PriceThe market structure and projections for the coming years. Drivers, restraints, opportunities, and current trends of Polyacrylamide Market. Historical data and forecast. Estimations for the forecast period 2028. Developments and trends in the market. By Type: Non-Ionic Polyacrylamide (PAMN) Anionic Polyacrylamide (APAM) Cationic Polyacrylamide ...
Get Price2020-3-19 · The Bahamas are characterized by shelf regions and islands separated by deep sea trenches. All sample sites of this study are located on the Great Bahama Bank, a carbonate platform which does not exceed 5 m water depth in 60% of its area (Harris et al ., 2015 ).
Get PriceThe global demand for polyacrylamide market stood at over USD 4.7 billion in 2018, and the market is expected to register a CAGR of over 6.53% by the end of 2024. Polyacrylamide, also known as polymerized acrylamide, is formed by the synthesis of acrylamide subunits. Polyacrylamide finds a wide range of applications in water treatment plants ...
Get Price2020-3-2 · Polyacrylamide, 50 Percent Aqueous Solution, also called poly(1-carbamoylethylene), is a polymer formed from acrylamide sub-units used to flocculate solids in a liquid. Ungraded products supplied by Spectrum are indicative of a grade sui
Get Price2021-5-29 · Polyacrylamide (PAM) market companies. Research organizations and consulting companies. Organizations, associations and alliances related to the Polyacrylamide (PAM) market industry. Government ...
Get PricePolyacrylamide (IUPAC poly(2-propenamide) or poly(1-carbamoylethylene), abbreviated as PAM) is a polymer (-CH2CHCONH2-) formed from acrylamide subunits. It can be synthesized as a simple linear-chain structure or cross-linked, typically using N, N'-m...
Get PriceBountiGel will repeatedly absorb and release water to the root system, utilizing its unique double cross-linked structure. Due to its superior mechanical strength, BountiGel remains effective for up to three years until it safely biodegrades. Does not contain polyacrylamide. BountiGel G is a granular version of our next-generation soil additive.
Get Price2000-7-1 · The purpose of this overview is to examine recent information concerning the roles of microbial biofilms in intertidal systems. The microbial biofilm is a common adaptation of natural bacteria and other microorganisms. In the fluctuating environments of intertidal systems, biofilms form protective microenvironments and may structure a range of ...
Get PricePolyacrylamide solution average Mw 1,500, 50 wt. % in H2O; CAS Number: 9003-05-8; find Sigma-Aldrich-434930 MSDS, related peer-reviewed papers, technical documents, similar products & more at …
Get PriceThe structure of the synthesized polyacrylamide was characterized by XRD, 1Н NMR, and 13С NMR spectroscopy. It was shown that 1,3-dimethylimidazolium (phosphonooxy-)oligosulphanide is able to ...
Get Price2020-8-6 · Polyacrylamide (PAM) is a biocompatible and water-soluble polymer that can be tailored to meet a broad range of industrial applications, most of them based on its well above room temperature, glass transition temperature of 400 K. 1,2 1. M.
Get PricePolyacrylamide (PAM) is known as one of soil conditioner that functions to stabilize soil structure, increase infiltration, and reduce surface runoff. This study assesses the effects of PAM on the vertical movement of soil-water and major/minor nutrients (NO3-N, …
Get Price2010-4-9 · SDS-PAGE (PolyAcrylamide Gel Electrophoresis)聚丙烯酰胺凝胶电泳. The purpose of this method is to separate proteins according to their size, and no other physical feature. In order to understand how this works, we have to understand the two halves of the name: SDS and PAGE. SDS.
Get PriceRelative effectiveness of polyacrylamide gel dosimeters applied to proton beams: Fourier transform Raman observations and track structure calculations. Jirasek A(1), Duzenli C. Author information: (1)Department of Physics and Astronomy, University of British Columbia, Canada. [email protected]
Get PriceSymbiodinium sp. associations in the gorgonian Pseudopterogorgia elisabethae in the Bahamas: high levels of genetic variability and population structure in symbiotic dinoflagellates. Marine Biology, 2003. Howard Lasker. Scott Santos. M. Coffroth. Howard Lasker. Scott Santos. M. Coffroth. PDF.
Get Price2021-5-11 · Abstract: The molecular structure of the hydrophobically associating polymer (HAP) used for oilflooding was determined and the critical associating concentration(CAC) was measured by the viscosity, conductivity, surface tension and fluorescence pyrene probe. Dynamic light scattering (DLS) and scanning electron microscopy (SEM) were used to verify the reliability of the results and analyze …
Get PriceMapping the MinE Site Involved in Interaction with the MinD Division Site Selection Protein of Escherichia coli more. by Glenn King. Publication Date: 2003. Publication Name: Journal of Bacteriology. Research Interests: Microbiology, Bacteriology, Fluorescence Microscopy, Cell Division, Biological Sciences, and 8 more Mutation, Escherichia coli ...
Get Price2021-5-30 · The new initiator of the polymerization of acrylamide, leading to the formation of crosslinked polyacrylamide, was discovered. The structure of the synthesized polyacrylamide was characterized by XRD, 1 H NMR, and 13 C NMR spectroscopy. It was shown that 1,3-dimethylimidazolium (phosphonooxy-)oligosulphanide is able to initiate radical polymerization under drying aqueous solutions of ...
Get Price2014-7-24 · genetic structure of both partners are examined across ... Bahamas and Curac ao [for full descriptions of these locations see (Prada & Hellberg 2013)]. These locations span regions where the distributions of depth-segre- ... were sized in polyacrylamide gels using a metric ruler
Get Price2021-1-23 · In studies on Polyacrylamide,''' the average concentrations of acrylamide in Polyacrylamide formulations were found to be less than 0.01 %. Several current manufacturers of Polyacrylamide list a maximum of 0.1 % for residual acrylamide monomer content.' 2, Complete analysis of acrylamide is documented in the World Health Organization
Get Price2017-9-8 · A chemically cross-linked polyacrylamide gel (AM) prepared without graphene and a series of hybrid graphene-polyacrylamide gels (AMGX, being X the …
Get Price2020-8-18 · The only commercially important polyacrylamide is poly(2-propenamide) which is simply called polyacrylamide or PAM. It is a non-ionic, water-soluble, and biocompatible polymer that can be tailored to meet a broad range of applications. Polyacrylamide can be synthesized as a simple linear-chain structure or cross-linked.
Get PricePolyacrylamide, 50 Percent Aqueous Solution, also called poly(1-carbamoylethylene), is a polymer formed from acrylamide subunits used to flocculate solids in a liquid. Spectrum solutions utilize the highest quality raw materials appropri
Get Price2020-3-19 · The Bahamas are characterized by shelf regions and islands separated by deep sea trenches. All sample sites of this study are located on the Great Bahama Bank, a carbonate platform which does not exceed 5 m water depth in 60% of its area (Harris et al ., 2015 ).
Get Price2015-6-12 · Polyacrylamide: The molecular formula of polyacrylamide is (C 3 H 5 NO) n. Chemical Structure of Agarose and Polyacrylamide: Agarose: Agarose is a linear polysaccharide. It is made up of repeating disaccharide units called agrobiose held together by hydrogen bonds. Polyacrylamide: Polyacrylamide is a
Get Price2021-6-1 · The 'Polyacrylamide (CAS 9003-05-8) Global Market Research Report 2021' report has been added to ResearchAndMarkets.com's offering.. This global report is a result of industry experts' diligent ...
Get PriceSodium Dodecyl Sulfate, Molecular Biology Grade (SDS), is a detergent that is known to denature proteins. It is used in denaturing polyacrylamide gel electrophoresis for the determination of protein molecular weight. It is also used in nucleic acid extraction procedures for the disruption of cell walls and dissociation of nucleic acid:protein ...
Get PriceHydrogel Market Outlook - 2027. The global hydrogel market was valued at 22.1 billion in 2019, and is projected to reach 31.4 billion by 2027, growing at a CAGR of 6.7% from 2020 to 2027. Hydrogel is interlinked with three-dimensional polymeric structures which …
Get Price5.3.1 SDS Polyacrylamide Gel Electrophoresis. 5.3.2 SDS Polyacrylamide Gel Electrophoresis in Reducing Conditions. 5.3.3 Chemical Crosslinking of Proteins – Quaternary Structure. 5.3.4 Urea Electrophoresis. 5.4 Electrophoresis in DNA Sequencing. 5.4.1 Sanger Dideoxynucleotide Sequencing of DNA. 5.4.2 Sequencing of DNA. 5.4.3 Footprinting of DNA.
Get Price2021-7-2 · Gel formation in proteins July 2, 2021 (https://fraofauqm.irbit-center.ru) For gel formation, various types of protein gelling mechanisms and compounds are known and applied in the prior art.Typical examples include thermogelling (for instance gelatine can form a gel after cooling a solution), acid induced gelling by denaturation and flocculation, and gel formation by partial degradation of ...
Get PriceDayhoff, M.O. (1978) In: Atlas of Protein Sequence and Structure, Suppl. 2 National Biomedical Research Foundation, Washington, DC. Crowley, K.S. et al. (1993) The signal sequence moves through a ribosomal tunnel into a noncytoplasmic aqueous environment at the ER membrane early in translocation. Cell. 73, 1101–15.
Get PricePromega products for studying protein:DNA interactions include gel shift assays and the HaloCHIP™ system—a fast alternative to traditional chromatin immunoprecipitation methods. In the HaloCHIP method, DNA-binding proteins of interest are expressed in cells as HaloTag® fusion proteins, crosslinked to DNA and then captured using the HaloLink™ Resin, which forms a highly specific ...
Get PriceThe protein band patterns by sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the microsomes from rats treated with the sulfone and m-DCB were similar to those of phenobarbital-treated rats but were different from those of 3-methylcholanthrene-treated rats. The sulfone showed type I interaction with the cytochrome p450 (Ks, 0.17 mM).
Get PriceStructure of the subunit protein of bipyramidal -endotoxin produced by bacillus thuringiensis kurstaki strain hd
Get Price2014-7-24 · genetic structure of both partners are examined across ... Bahamas and Curac ao [for full descriptions of these locations see (Prada & Hellberg 2013)]. These locations span regions where the distributions of depth-segre- ... were sized in polyacrylamide gels using a metric ruler
Get PriceAtom transfer radical polymerization (ATRP) was used to grow polyacrylamide from the surface of ethylene-acrylic acid copolymer (EAA) film. The surface functionalization required
Get PriceGlobal Polyacrylamides Market By Product (Ionic Nature, Polymer Structure), Form (Powder, Emulsion, Gel, Others), Production Process (Copper Catalyst-based, Microbial Enzyme-based), Application (Flocculant for Water Treatment, Enhanced Oil Recovery & Gas Extraction, Paper & Pulp Making, Mining, Paints & Coatings, Soil Conditioner, Binder in Skin Lotions, Manufacturing Safe Contact Lenses ...
Get Price5' Acrydite TM Return to Attachment Chemistry Linkers Modifications. Acrydite TM is an attachment chemistry based on an acrylic phosphoramidite that can be added to oligonucleotides as a 5’-modification. Acrydite-modified oligonucleotides covalently react with thiol-modified surfaces or can be incorporated into polyacrylamide gels during polymerization.
Get PriceThe market for hydrogel attained a value of nearly USD 23.6 billion in 2020, driven by the rising use of hydrogel in the flourishing sanitary and personal care industry. Aided by the growing use in agricultural sector, the market is expected to witness a further growth in the forecast period of 2021-2026, growing at a CAGR of 7%. The market is projected to reach nearly USD 35.5 billion by 2026.
Get PricePolyacrylamide Gel Electrophoresis 756. Protein Measurement and Analysis 757. 18.8 Determining the Structure of Proteins and Multisubunit Complexes 758. 18.9 Fractionation of Nucleic Acids 760. Separation of DNAs by Gel Electrophoresis 760. Separation of Nucleic Acids by Ultracentrifugation 760. 18.10 Nucleic Acid Hybridization 762
Get Price2009-6-29 · After boiling for 3 min at 100 °C and centrifuging at 14 000 g for 1 min, 7 µg of total protein from each limpet, along with Laemmli sample buffer and distilled water, were loaded into a lane of a 10% Tris–HCl pre-cast gel (Ready-Gel Polyacrylamide gel, Bio-Rad Laboratories, Hercules, CA). In addition to the heat-shocked samples, a ...
Get Price2019-8-13 · The review focuses on the description and analysis of the specific characteristics of microsatellites in the B. mori genome, the role these repetitive DNA regions have played as molecular markers in this organism, and how these would play an important role in future in the genetic analysis, conservation and use of silkworm germplasm.
Get PriceAtom transfer radical polymerization (ATRP) was used to grow polyacrylamide from the surface of ethylene-acrylic acid copolymer (EAA) film. The surface functionalization required
Get Price2004-1-1 · Read 'Microsatellite variation reveals high levels of genetic variability and population structure in the gorgonian coral Pseudopterogorgia elisabethae across the Bahamas, Molecular Ecology' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Get Price8% polyacrylamide gels with an internal gradient of 20 to 75% denaturants (urea and formamide) were run at 90 V for 15 h at a constant temperature of 60°C. TA cloning and sequencing of DNA from representative DGGE bands DGGE bands showing identical mobilities have the same sequences (LaJeunesse 2002, Thornhill et al.
Get PriceLoad the desired volume (e.g. 35 µL) of samples per well in a 10% polyacrylamide gel. Run SDS-PAGE for 30 minutes at 200 V. Rinse gel twice with distilled water. Incubate gel in cold Transfer Buffer for 15 minutes. IV. Immunoblotting and Imaging; Assemble transfer sandwich as per instrument instruction and then transfer the proteins onto a ...
Get Price2008-2-21 · The cyanobacterial community structure and composition of hypersaline mats were characterized in an experiment in which native salinity and sulfate levels were modified. Over the …
Get Price2012-9-25 · 1 DANIEL J. HASSELMAN, B.SC.. M.SC.. Ph.D. CURRICULUM VITAE School of Aquatic and Fishery Sciences University of Washington Box 355020 Seattle WA 98195‐5050 Tel: 206‐397‐2255; Fax: 206‐221‐6931
Get Price5' Acrydite TM Return to Attachment Chemistry Linkers Modifications. Acrydite TM is an attachment chemistry based on an acrylic phosphoramidite that can be added to oligonucleotides as a 5’-modification. Acrydite-modified oligonucleotides covalently react with thiol-modified surfaces or can be incorporated into polyacrylamide gels during polymerization.
Get PriceDefect Structure Determination of GaN Films in GaN/AlN/Si Heterostructures by HR-TEM, XRD, and Slow Positrons Experiments Previous Article in Special Issue In Situ Copolymerized Polyacrylamide Cellulose Supported Fe 3 O 4 Magnetic Nanocomposites for Adsorptive Removal of Pb(II): Artificial Neural Network Modeling and Experimental Studies
Get PriceThe complex structure, made of stainless steel inner liner, high vacuum insulation interlayer, built-in type gasifier, valves and piping and safety system etc. Application: The product is mainly used in transferring transportation.It may also safely and conveniently be applied to supplement to biological Dewars with liquid nitrogen,or be used ...
Get PriceOther influences on the rate of migration through the gel matrix include the structure and charge of the proteins. In SDS-PAGE, the use of sodium dodecyl sulfate (SDS, also known as sodium lauryl sulfate) and polyacrylamide gel largely eliminates the influence of the structure and charge, and proteins are separated solely based on polypeptide ...
Get Price2021-6-28 · polyacrylamide gel polymer using bottle testing method. Finally, the performance of the polyacrylamide gel polymer as water shut-off system was investigated in one of the Iranian oil reservoirs condition considering high temperature and high salinity. EXPERIMENTAL STUDIES Materials Partially hydrolyzed polyacrylamide was used as
Get Price30% Polyacrylamide solution(29g acrylamide+1g bisacrylamide in 50 mL of water, dissolve completely using a magnetic stirrer, make the volume upto 100mL). Keep the solution away from sunlight. 1.5 M Tris, pH 8.8; 1 M Tris, pH 6.8; 10% SDS(10 g SDS in 100mL distilled water). 10% ammonium persulfate (0.1 g in 1 ml water). It should be freshly ...
Get Price2013-7-2 · DESKTOP REVIEW OF POLYACRYLAMIDE USE IN AUSTRALIAN COTTON INDUSTRY Misra and Hood (2007) NCEA Publication 1002542 Page 6 of 20 Polyacrylamide molecule is synthesized by repeating the sequence of –CH 2–CH (CONH 2)– units with substitutions of a percentage of the amide (–CONH 2) group with another functional group which changes the ionic characteristics and chemical …
Get Price2020-11-22 · SDS - PAGE: ⮚ (Sodium dodecyl sulphate – polyacrylamide gel electrophoresis) SDS - PAGE is very commonly used separation technique for separating mixture of proteins based on their molecular weight or size. ⮚ This system is based on gel base separation and the gel is complex of two type of gels – a resolving (running) gel in which proteins are resolved on the basis of molecular weight ...
Get PriceThe copolymerization of acrylamide (AM), Dodecafluoroheptyl methacrylate (G04), acrylic acid and the polycondensate of maleic anhydride and Polyethyleneglycol (PEG400) was studied in detail with benzoyl peroxide (BPO) as initiator when supercritical CO2 and the acetone solvent were presented. The functional fluoride hydrophobic associating polymer products have some special characters with ...
Get PriceThe results confirm that the three-dimensional network structure of the hydrogels is incorporated with Fe3O4 nanoparticles. The adsorption properties of PAAm/CS/Fe3O4 hydrogels for methylene blue (MB) in aqueous solution were studied using Ultraviolet and visible spectrophotometry (UV–vis).
Get PriceAn unstudied β-N-acetylhexosaminidase (SnHex) from the soil bacterium Stackebrandtia nassauensis was successfully cloned and subsequently expressed as a soluble protein in Escherichia coli. Activity tests and the biochemical characterization of the purified protein revealed an optimum pH of 6.0 and a robust thermal stability at 50 °C within 24 h. The addition of urea (1 M) or sodium ...
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