polymer properties and characterization
Isolation and characterization of an extracellular polymer closely related to flocculation of activated sludge
... pronase-digested polymer, the heat-treated polymer and the intact polymer for kaolin clay (each polymer concentration was ppm) The flocculating activity of the pronase-digested polymer significantly ... extracellular polymer Flocculating activities of the extracellular polymer are summarized in Table The polymer showed flocculating activity for kaolin clay and activated charcoal suspension, and stimulated ... the polymer Extent of flocculation (%) 100 50 0 Time (min) Fig Effect of pronase-digestion and heat treatment of extracellular polymer on flocculating activity Intact polymer Pronase-digested polymer...
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Tài liệu Báo cáo khoa học: The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data and redox properties ppt
... column, equilibrated and eluted in 0.1 M Tris/HCl, pH 7.6 and several common protein–protein dissociation salts (1 M sodium chloride, M urea and M guanidinium chloride) and ionic detergents (CHAPS, ... intense band of 61 kDa (NrfA) and a band of weak intensity of 19 kDa (NrfH), confirming its hetero-oligomeric nature (Fig 1, lane 1) However, in the absence of boiling (Fig 1A, lanes and 4) high ... and 4) high molecular mass bands of approximately 110 kDa and > 200 kDa were visible, as well as a faint band at 37 kDa, suggesting the presence of dimers All of the bands stained positively for...
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Báo cáo Y học: Characterization of the 105-kDa molecular chaperone Identification, biochemical properties, and localization pptx
... residues, and those aminoacid sequences were the same To determine the interaction between the 105-kDa protein and APG-1 or OSP94, we investigated the amino-acid sequence and some biochemical properties ... with 25% isopropyl alcohol (v/v) and 10% acetic acid (v/v) and destained with 10% isopropyl alcohol (v/v) and 10% acetic acid (v/v) Ó FEBS 2002 Biochemical properties of the 105-kDa protein ... libitum access to water, and dehydrated rats were restricted from drinking water for and days All rats were sacrificed, the kidneys were removed, and the renal cortex, medulla, and papilla were dissected...
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Báo cáo khoa học: Expression and characterization of cyanobacterium heme oxygenase, a key enzyme in the phycobilin synthesis Properties of the heme complex of recombinant active enzyme potx
... Oligo I and Oligo II were inserted between the sites of NdeI and SpeI; Oligo III, between the sites of SpeI and SacI; Oligo IV and Oligo V, between SacI and AvrII; Oligo VI, between AvrII and ClaI; ... [23], and Hem O, N meningitidis A 2855 [25] Soret and Q (a and b) bands of the oxy form and the CO-bound form not show specific differences from those of mammalian or bacterial HOs The small band ... of the Soret and 498 nm bands and the shift of the band at 630 nm to the longer-wavelength direction At the same time, a broad band with the maximum at approximately 690 nm appears and increases...
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Báo cáo khoa học: Leishmania donovani phosphofructokinase Gene characterization, biochemical properties and structure-modelling studies doc
... human muscle enzyme and the catalytic subunit of S cerevisiae, and the PPi-dependent enzymes of E histolytica, A methanolica and P freundenreichii Sequences of yeast and human expanding beyond the ... KS– (PFK2.2-PBSKS) and sequenced DNA sequences of both strands of recombinant plasmid inserts were determined by using the T7 DNA polymerase kit (Amersham Pharmacia Biotech) and [35S]dATP (NEN ... catalytic and regulatory sites, among the various available structures of E coli and Bacillus stearothermophilus PFK, as this 4pfk structure contains fructose 6-phosphate and ADP in the active site, and...
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Báo cáo hóa học: " Nanostructured Biomaterials with Controlled Properties Synthesis and Characterization"; pptx
... chitosan solution and 1% hyaluronic acid solution and (ii) hybrid polymer coating The hybrid polymer consisted of Chit–HA hydrogels obtained by physical mixing of 2% chitosan solution and 1% HA solution ... Different ratios of chitosan solution and hyaluronic acid solution were employed in covering magnetic nanoparticles Size distribution and characterization of bare and encapsulated magnetic nanoparticles ... applications, characterization in terms of size, size distribution, and morphology were performed Size and Size Distribution of Covered NP The hydrogel-magnetic nanoparticles were characterized by DLS and...
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Báo cáo hóa học: " Synthesis and Characterization of Metal Nanoparticle Embedded Conducting Polymer–Polyoxometalate Composites" doc
... PAni-PMo12 composites (Ag-PAni-PMo12 and Au-PAni-PMo12) and characterization of the formed composites The PMo12 as reagent for simultaneous oxidation of aniline and reduction of metal salts for the ... different conducting polymers such as polypyrrole and poly(3,4-dioxy thiophene) Further, the properties of the inorganic–organic composites can be tailored by simply varying the polymer or polyoxometalate ... intensity at 38.2°, 44.4°, 64.5°, and 77.5° representing (111), (200), (220), and (311) planes of standard cubic phase of Au (Fig 2b) Fig XRD patterns of (a) Ag-PAni-PMo12 and (b) Au-PAni-PMo12 Nanoscale...
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Synthesis and characterizations of polymer electrolyte membranes based on aliphatic ionomers
... Separation of Random and Block Ionomers in Solution .33 2.3.2.2 Phase Separation of Random and Block Ionomers in the Solid State 36 SYNTHESIS AND CHARACTERIZATION OF ACRYLIC RANDOMIONOMER ... behavior, and PEM properties of aliphatic random-ionomer membranes are presented in Chapter and Chapter Chapter and Chapter are devoted to the synthesis, solution behavior, PEM properties, and the ... Aliphatic Random Ionomers New aliphatic random ionomers consisting of hydrophobic (AN-GMA) and ionic (SPM) units were synthesized by a simple solution polymerization method and cast into freestanding...
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Fabrication and characterization of memory devices based on organic polymer materials
... Units and Europium Complex 62 3.1 Introduction 62 3.2 Experiment 63 3.2.1 Preparation and Characterization of the PKEu Copolymer 63 3.2.2 Device Fabrication and Characterization 64 3.3 Results and ... mainstream memory technologies include dynamic random-access memory (DRAM), static random-access memory (SRAM), and flash memory (NAND and NOR) DRAM is a random access memory that stores each bit of ... CHAPTER Material Properties and Electrical Performance of Mixed Polymer and Gold Nanoparticle based Flash Memory Device 81 4.1 Introduction 81 4.2 Experiment 83 4.3 Results and Discussions 86...
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Synthesis, fabrication, characterization, properties and thermal degradation kinetics study of low k poly(ether imide)s and co poly(ether imide)s, and poly(ether imide) MMT clay nanocomposites
... transition in copolymers and miscible polymer 52 blends 1.1.6 Processes and properties 53 1.1.6.1 Processing of polyimides 53 1.1.6.2 Mechanical, thermal, and thermo-oxidative stability 54 properties ... Polyimides and Other High Temperature Polymers, K L Mittal, (Ed.) Vol 1, p 33, VSP Utrecht, The Netherlands, 2001 Polyamic Acids and its Ionic Salt Solution: Synthesis, Characterization and its ... Applications: Synthesis and Characterization , in proceedings of the 5th Symposium on Polyimides and High Performance Functional Polymers (STEPI-5), in Polyimides and High Performance Polymers, M J M...
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Electromagnetic properties and macroscopic characterization of composite materials
... at z = and z = d Regions and are considered to be vacuum and region is the chiral medium; and (b) Illustration of negative refraction and subwavelength focusing by a chiral slab (k1 > and k2 ... theory and applications Recently, a composite material, also known as metamaterial, consisting of periodic split-rings and rods has been proposed and fabricated to obtain LH and negative-index properties ... permittivity and permeability in RF band, and hence NIM has to be a composite of at least two kinds of materials which individually possess < and µ < in an overlapped frequency band In order...
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Preparation and characterization of the PVDF-based composite membrane for direct methanol fuel cells
... immersed in deionized water for 48 h, and then the sulfonated copolymer washed with deionized water and dried for usage The sulfonated copolymer with weight of 15 g and 2.5 g polyvinyl pyrrolidine ... property of PS polymer promoted the formation of these polymer aggregates As can be seen, the thermally induced polymerization of styrene, as well as the blending of PS and SPS polymers, causes ... (DMAc) firstly, and then styrene, divinylbenzene (DVB) and benzoyl peroxide (BPO) were added to the solution and stirred with water bath at 343 K The dosage of PVDF, styrene, DVB and BPO was that...
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Design, fabrication, and characterization of a solenoidsystem to generate magnetic field for an ECR proton source
... conductor, water pressure drop and flow, the inlet and outlet connections were provided Total five inlet and five outlet connections were provided The water flow rate liter/min and pressure 3·5 kg/cm2 was ... M, Ando L, Guo X H, Gobin R, Ferdinand R 2004 Status of the Trasco intense proton source and emittance measurements Rev Sci Instrum 75(5): 1423–1426 Ciavola G, Celona L, Gammino S, Presti M, Ando ... field, and (b) flat magnetic field are shown in figure The calculation was also performed analytically (Montgomery 1966) using standard relations for calculating magnetic field Design, fabrication, and...
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Tài liệu Validate Data Passed to Properties and Communicate Errors to Developers pdf
... Return True End If End Function Modify the set blocks of the Fax and Phone properties to call the ValidatePhoneNumber method and throw an InvalidPhoneNumberException if the phone number is not ... new Customer row and you're ready to start testing your new code Your existing code for frmHowTo9_6 should suffice for testing You made sure to handle exceptions thrown from properties in section ... in section 9.2 How It Works Much of the code in this section qualifies and extends the properties you have already defined and implemented This section has two key concepts Validating data is a...
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Tài liệu Module 13: Properties and Indexers pptx
... between properties and fields Fields have addresses and are physical, whereas properties not have addresses and are logical The next topic compares properties to methods This topic emphasizes that properties ... 13: Properties and Indexers 23 Comparing Indexers to Properties Topic Objective To compare indexers to properties Lead-in Indexers are based upon properties and share many of the features of properties ... of type string and could not be an expression of type void 24 Module 13: Properties and Indexers Differences from Properties It is also important to understand how indexers and properties differ:...
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Tài liệu A Using Properties and Resources doc
... case those properties aren’t set The Color and Font classes have methods to read colors and fonts from the system 10 July 2002 22:27 984 APPENDIX A: USING PROPERTIES AND RESOURCES properties ... the local filesystem, and calls to getProperties() generate a security violation Version 1.0 of HotJava, the JDK, and the appletviewer allow you to set properties with the properties file in the ... getClass().getResourceAsStream("prop11.list"); Properties p = new Properties( ); try { p.load (is); 10 July 2002 22:27 988 APPENDIX A: USING PROPERTIES AND RESOURCES Example A–2: Getting Properties from a Resource...
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Tài liệu Báo cáo "Preparation and characterization of nanocomposite TiO2/SnO2 films " pdf
... impregnated and annealed at 325, 375 and 425oC Discussion TiO2 belongs to dielectric materials With a wide band gap of 3.2 eV, at room temperature there are no free carriers in the conducting band Under ... concentration of the SnCl4 solution, and the films were annealed at different temperatures and for different period of time Photoconductivity measurement In order to evaluate properties of obtained films ... be excited, some photo electrons jumped to conducting band and can take part in the electric conduction However the systems of high energy band gap having a tendency to produce high potential barrier...
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Tài liệu Materials, Their Properties and Uses doc
... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... staple fiber and as a monofilament for screens and weaving, and known as Redon, has good dimensional stability and high dielectric strength and is resistant to water and to solvents The polymerized ... have tough, uniform grains Chats are sand tailings from the Missouri lead ores, used for sawing stone Banding sand is used for the band grinding of tool handles and for the grinding of plate glass,...
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Tài liệu Báo cáo khoa học: Identification and characterization of the transcription factors involved in T-cell development, t-bet, stat6 and foxp3, within the zebrafish, Danio rerio docx
... t-bet, stat6 and foxp3 were also determined and found to be very similar to their human homologues Both the human and zebrafish T-bet and Foxp3 genes contained the same number of exons and introns ... in the lung tissue of mouse and spleen and thymus of human and mouse [11,37] Foxp3 is also highly expressed in lymphoid organs, such as the thymus and spleen [49], and its expression within a ... STAT protein DNA-binding domain and SH2 domain of stat6, and the zinc-finger domain, leucine-zipper domain and fork-head domain of foxp3 In addition, for stat6 and foxp3, there were a few other...
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