structure properties and processing relationships in metals and alloys
Structure, Properties, and Preparation Of Boronic Acid Derivatives Overview of Their Reactions and Applications
Ngày tải lên :
02/07/2014, 12:53
... solution Indeed, diethanolamine adducts are solids, often crystalline, with sharp melting points, and can thus be used for purifying and characterizing boronic acids The concept of internal coordination ... could be interpreted in terms of an associative transition state involving proton transfer and hydroxide displacement within a pentacoordinated boron In the past decade, interest in the interaction ... quantitative determination of saccharide binding [131] Using the ingenious ARS assay, Springsteen and Wang presented an interesting cautionary tale from discrepancies found in the measurements...
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Báo cáo khoa học: Essential role of the C-terminus in Melanocarpus albomyces laccase for enzyme production, catalytic properties and structure pdf
Ngày tải lên :
16/03/2014, 00:20
... higher in the mutant strains Changes in the original C-terminus thus caused major defects in protein production in T reesei as well as changes in the protein properties The T reesei strain producing ... preventing binding of oxygen We analyzed the azide inhibition and determined the inhibition constants for sodium azide, in order to see the effect of the mutation (L559A) on the binding properties in ... laccases undergoing processing has been shown to be a Leu C-terminal processing has also been shown for the basidomycete laccase from Coprinus cinereus, but the processing is distinct from that...
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Báo cáo khoa học: Structure–cytotoxicity relationships in bovine seminal ribonuclease: new insights from heat and chemical denaturation studies on variants ppt
Ngày tải lên :
22/03/2014, 17:20
... protein, calculated as (I ) Imin) ⁄ (Imax ) Imin); I is the fluorescence intensity at a given temperature, and Imax and Imin are the maximum and minimum values of fluorescence intensity corresponding ... Crescenzi O, Tancredi T & Picone D (2003) Role of the hinge peptide and the intersubunit interface in the swapping of N-termini in dimeric bovine seminal RNase Eur J Biochem 270, 4729–4735 Leich F, ... examined in this study, is the one hosting the highest number of substitutions, is reported in Fig A careful inspection of these structures reveals that all of the variant proteins examined, and...
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Báo cáo hóa học: " Structure and Photoluminescent Properties of ZnO Encapsulated in Mesoporous Silica SBA-15 Fabricated by Two-Solvent Strategy" doc
Ngày tải lên :
22/06/2014, 00:20
... during calcination In addition, the d100 interplanar spacings of wt% ZnO/SBA-15, 15 wt% ZnO/SBA15, and 20 wt% ZnO/SBA-15 are 9.9, 10.0, and 10.3 nm, respectively A clear increase of the d100 interplanar ... interplanar spacing has been observed with increasing ZnO loading This suggests that the mesoporous structure of the ZnO/SBA-15 nanocomposite expands withffi increasing ZnO loading [16, pffiffi 22] ... nanocomposite may be useful for detecting the nitrosamine content in solution, suggesting its potential applications in sensing carcinogens such as N0 -nitrosonornicotine (NNN) in environment Conclusions...
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Atomic structure and composition structure properties correlations in metallic glasses
Ngày tải lên :
11/09/2015, 09:17
... composition -structure- properties correlations in Cu-Zr metallic glasses (MGs) Our findings have implications for understanding the atomic structure, glass-forming ability (GFA) and properties ... that fundamentally influences both GFA and mechanical behavior Our findings have implications for understanding the nature, forming ability and properties of MGs, and for searching novel MGs with ... Chapter Introduction 1.2 The structure and structure- properties relations of MGs It is of vital importance to investigate the atomic structure of MGs, since structure determines the properties...
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Tài liệu Báo cáo khoa học: Phylogenetic relationships in class I of the superfamily of bacterial, fungal, and plant peroxidases pptx
Ngày tải lên :
19/02/2014, 16:20
... is invariantly co-ordinated by the above essential proximal histidine (Fig 4A,C,D) However, in all C-domains of catalase– peroxidases, there is a conserved arginine (Arg622 in HalomarCPc) in ... corresponding position, indicating that these domains lost their ability to co-ordinate the heme Further, a conserved tryptophan (Trp311 in HalomarCPn, Trp179 in PisusatAPX, and Trp191 in SacchceCCP) ... of coding sequences currently in the database may affect this value Interestingly, none of the known fungal genomic DNA sequences in which KatG is included (listed in Table 1) contain an intron,...
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Tài liệu Báo cáo khoa học: Relationships between structure, function and stability for pyridoxal 5¢-phosphate-dependent starch phosphorylase from Corynebacterium callunaeas revealed by reversible cofactor dissociation studies doc
Ngày tải lên :
19/02/2014, 16:20
... Enzymeoxyanion interactions occur at a protein site different from the active site, and thermostabilization is the result of a protein conformational change induced by the binding event Residues involved in ... However, the characteristic minima in ellipticity at 208 nm and 222 nm have greater intensities in the native enzyme, suggesting partial loss of a-helical structure in apo-CcStP and reconstituted holo-CcStP ... L-cysteine as structure- deforming and PLP-resolving reagents, respectively Interestingly, however, the pH dependence of the rate of resolution was opposite in the two enzymes, CcStP being stable...
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Báo cáo " The magnetic properties and charge-ordering state in La1-xCaxMnO3 (x = 0.46; 0.50) compounds " doc
Ngày tải lên :
05/03/2014, 14:20
... obtained by other authors [5] This feature is most probably caused by the different sintering condition in sample preparation, resulting a difference in actual content of Mn3+ and Mn4+ According ... (δ) determined by dichromate method, the contents of Mn3+, Mn4+ ions and the ratios of Mn3+/Mn4+ have been estimated and showed in Tab Sample Table 2: Obtained oxygen deficiencies, determined contents ... temperatures around the Curie point for La0.50Ca0.50MnO3-δ sample From these curves with various temperature intervals, the magnetic The magnetic properties and charge-ordering state in 29 entropy change,...
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TRANSFER RNA: MOLECULAR STRUCTURE, SEQUENCE,AND PROPERTIES
Ngày tải lên :
13/03/2014, 19:38
... Maintainsinteraction betweenvariable loop and D stem Stabilizes joining D stem with T¢C stem by stacking and hydrogenbonding withtrans pairingrequiredby parallel chain directions Maintainsinteraction ... no thymine in its tRNA(233) and seems function normally in protein synthesis Next to the T54oA58 pair is an interesting interaction between ~55 and G~8 As shown in Figure and described in Table ... DandT$ C loops by augmenting stacking interaction Stabilizes interaction of Dand T¢;Cloops by augmenting stacking interaction Stabilizes T~C loop aStandard symbols used for referring to basesandto...
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Reproductive System Structure, Development and Function in Cephalopods with a New General Scale for Maturity Stages pot
Ngày tải lên :
14/03/2014, 16:20
... their eggs in rigid capsules, capsule glands and albumin glands are present in a complex of pallial glands These differ in their origin and function (Chukchin, 1984) Oviductal glands in octopus ... accessory glands are different in origin, and form egg coverings at spawning A mucous secretion is formed by pallial, pedal and hypobranchial glands in different species of this class In mollusks ... In females, this involves formation of additional oocyte coverings and the process of transferring oocytes into the organs from which spawning will take place In males this involves formation...
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Báo cáo khoa học: Effect of valine 106 on structure–function relation of cytosolic human thymidine kinase Kinetic properties and oligomerization pattern of nine substitution mutants of V106 ppt
Ngày tải lên :
16/03/2014, 16:20
... Mg2+-binding motif VIGID97 [19,20] and the putative thymidine-binding motif FQRK131 [20] are in italics in all sequences In the human sequence, the b-branching amino acids and the a-helix breaking ... the structure and function of the enzyme by mutating Val106 to amino acids differing in polarity, size and conformation, and subsequently investigating their effect on the quaternary structure and ... DNA synthesis in mouse 1-cells Effect of 5-fluorodeoxyuridine and methotrexate in thymidine kinase plus and thymidine kinase minus cells J Biol Chem 251, 2938– 2944 Pontarin, G., Gallinaro, L., Ferraro,...
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Báo cáo khoa học: Structure, expression and regulation of the cannabinoid receptor gene (CB1 ) in Huntington’s disease transgenic mice ppt
Ngày tải lên :
16/03/2014, 18:20
... the amino terminus of mutant huntingtin containing an expanded polyglutamine tract caused the steady-state CB1 mRNA levels in the lateral striatum to decrease between and weeks and and weeks in ... shown to physically interact with mutant huntingtin including SP1, NcoR, CREB and NRSF [5,21–24] Conserved SP1, but not NCoR, CREB and NRSF, binding sites were located in the mouse and human CB1 promoters ... to R6/2 [10] and that neuronal intranuclear inclusions (NIIs) containing the human transgene-encoded amino terminus of human huntingtin form more slowly throughout the brain tissue in R6/1 compared...
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Báo cáo "Sensory Properties and Consumer''''s Preference for Fondue Cheeses in Hanoi''''s Market " pdf
Ngày tải lên :
20/03/2014, 19:20
... sensory panel consisted of panelists selected and trained according to guidelines in ISO 8586-1:1993 and the laboratory was designed according to guidelines in ISO 8589:1988 Three replicates were performed ... Flavour profile methods International Standard, ISO 8586-1:1993 - Sensory analysis – General guidance for the selection, training and monitoring of assessors International Standard, ISO 8589:1998 ... S., Dairy Technology: Principles of Milk, Properties and Processes, USA, 1999, 539-708 10 T X Vu - The habit of using cheese of customers in Ha Noi and Ho Chi Minh City, Industrial Journal 22 (2004)...
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Báo cáo " Research on organizing spatial production of economic models for agro - fisheries and processing industry in Diem Dien Town, Thai Thuy District, Thai Binh " doc
Ngày tải lên :
22/03/2014, 12:20
... marine industry 37 3.3 Processing industry, handicraft and service 3.3.1 Food processing Capacity of processing industry consumed about 50% of aquaculture production output The main processing ... resources and protecting environment One of typical marine economic models that has been organized and 39 Training technical staff in charge of cultivating and processing Boiling raw material in alkali ... Bleaching alkaliboiled product Supplying material equipment, services of producing consuming and exporting Cooking bar jelly between 200 - 210 minutes Separating product drying, packing and consuming...
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Báo cáo khoa học: Molecular structures and functional relationships in clostridial neurotoxins potx
Ngày tải lên :
22/03/2014, 15:21
... single chain molecule The position of the binding domain of E could be obtained by rotating the binding domain of A or B about the linker region connecting the translocation and binding domains ... from A and B in the domain organization The crystal structures of individual domains and their complexes with substrates or binding partners give information to analyze and understand the structure function ... Although individual catalytic and binding domains have been crystallized and their structures determined, this information is lacking for the translocation domain, partly because it is hydrophobic and...
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Báo cáo khoa học: Inhibitory properties and solution structure of a potent Bowman–Birk protease inhibitor from lentil (Lens culinaris, L) seeds ppt
Ngày tải lên :
23/03/2014, 10:21
... arginine residue instead of a tyrosine or leucine in the position P1 of the antichymotryptic site (P and PÂ nomenclature according to Schechter and Berger [24]) Antitrypsin and antichymotrypsin ... chymotrypsin domain Various synthetic peptides consisting of a single inhibitory domain and bearing the inhibitory activity have been produced and this has served to identify the role of specic amino ... missing From the inhibitory viewpoint most BBIs, especially those from dicotyledonous seeds, have a doubleheaded structure bearing two independent proteinase binding sites, often one trypsin and...
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Báo cáo khoa học: Leishmania donovani phosphofructokinase Gene characterization, biochemical properties and structure-modelling studies doc
Ngày tải lên :
23/03/2014, 21:21
... involved in the binding of the Table Amino acid residues involved in binding the allosteric activator ADP in B stearothermophilus and E coli PFK, and corresponding residues in T brucei and L donovani ... comparison of the kinetoplastid and human PFKs shows four differences in the residues involved in nucleotide binding and three differences in the residues involved in the binding of fructose 6-phosphate ... histolytica? Has it obtained a function in ATP binding, implying that the mode of nucleotide binding is different in kinetoplastid PFKs from that in other ATP-PFKs? Or has it been retained for structural...
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CHEMICAL REACTIONS IN GAS, LIQUID AND SOLID PHASES: SYNTHESIS, PROPERTIES AND APPLICATION pptx
Ngày tải lên :
28/03/2014, 10:20
... antioxidant properties of essential oils The nanostructure and yield process of cross-linked epoxy polymers as well as nanostructures in cross-linking epoxy polymers and their influence on mechanical properties ... to a combined action of NO2, O2 and UV radiation [4] Reactions of NO2 with polyvinylchloride and polyvinyl fluoride resulted in a slight decrease in the content of chlorine and fluorine atoms, ... described in Ref 15 The interval from the beginning of the experience to the point of intersection of two straight lines for which tg α1 = tg α2 was taken as τ in the presence of InH The first line...
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