... the effect of a mutation in this part of the molecule on the structure and properties of human sHsp Oligomeric structure of HSP22 and its mutants All samples of recombinant HSP22 and its mutants ... importance of this part of molecule of the sHsp is supported by the fact that mutations in the loop connecting the b5 and b7 strands, or in the b7 strand of sHsp, often correlate with the development of ... domain of human sHsp lacks the b6 strand detected in the structure of Hsp16.5 of M jannaschii and wheat Hsp16.9 and the loop connecting b5 and b7 is much shorter than the corresponding loop of bacterial...
Ngày tải lên: 23/03/2014, 07:20
... semiconductor superlattices of high quality Use of a beam of clusters, instead of atoms, would allow the production of more complex superstructures 10 Structure and Properties ofAtomic Ciusiers 2.2 ... series of experimental and theoretical studies of their structure and properties The existence of especially stable clusters is sometimes advocated to construct models of amorphous materials Structure ... consists of the reduction of Fe2+ and Nd3+ salts using borohydride ions in aqueous solution The concentration and speed of addition of the reactants, the control of the pH, the temperature and the...
Ngày tải lên: 04/06/2014, 14:33
Structure and properties of lead zirconate titanate thin films by pulsed laser deposition
... on investigating the microstructure of the PZT thin films and the correlation between the structure and performance properties of the PZT films The early growth stage of the PZT film on SrTiO3 ... None of this would be possible without their love and concern ii Table of Contents Page Acknowledgements i Table of Contents iii Summary vi List of Publications ix List of Figures x List of Tables ... represents any of the three coordinates x, y and z, and εο is the 10 Chapter Introduction permittivity of free space In most piezoelectric materials, D and P are non-linear functions of E and depend...
Ngày tải lên: 16/09/2015, 08:31
UNIT 1 structure and properties of matter
... and structure of NaCl How bonding and structure influence the general properties of the substance? TO PREVIOUS SLIDE Answer on the next slide UNIT Chapter 4: Chemical Bonding and Properties of ... Bonding and Properties of Matter Chapter 4: Chemical Bonding and Properties of Matter The chemical bonding in a substance influences the shape of its molecules, and molecular shape influences the properties ... Bonding and Properties of Section 4.2 Matter Depicting Two-Dimensional Structures of Molecules with Lewis Structures TO PREVIOUS SLIDE UNIT Chapter 4: Chemical Bonding and Properties of Section...
Ngày tải lên: 01/12/2015, 22:44
Preparation, structure, and properties of solutionpolymerized styrenebutadiene rubber with functionalized endgroups and its silicafilled composites
... Analysis Software package, using a non-linear MarquardteLevenberg algorithm Results and discussion 3.1 Structure and characterizations of A-SSBR 3.1.1 Mechanism and physics of structure formation of ... G0 -ε% and tand-ε% curves of vulcanizates (60 C) improve the silica-rubber linkage and silica dispersion in rubber matrix From tand-ε% curve, tand value of 1# vulcanizate is the highest and increases ... was the weight of filler and gel, Wt was the weight of sample, mf was the fraction of filler in the compound, and mr was the fraction of rubber in the compound 2.4.11 Rheological properties The...
Ngày tải lên: 11/06/2016, 22:43
Effects of Porogen on Structure and Properties of Poly Lactic AcidHydroxyapatite Nanocomposites (PLAHAp)
... with step angle of 0.030 , scanning rate of 0.04285 s−1 , and degree in range of 10–60 2.10 Mechanical Properties The mechanical properties (Young’s modulus and tensile strength) of PLA, PLA/md-HAp/PEO ... et al Effects of Porogen on Structure and Properties of PLA/HAp Nanocomposites (PLA/HAp) role in controlling the morphology of PLA/md-HAp/PEO nanocomposites With 20 wt% and 30 wt% of md-HAp, md-HAp ... Effects of Porogen on Structure and Properties of PLA/HAp Nanocomposites (PLA/HAp) because of their ability in replacing the metal and alloy implants Compared with HAp...
Ngày tải lên: 21/03/2017, 17:10
Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
... Which structures determine the unique functions of these avin proteins? In this study, we present the crystal structure of DvMF avoredoxin and discuss the key residues for ligand binding and metal ... Fig Structures of avoredoxin and other related proteins (A) Overall structure of the avoredoxin dimer Each subunit is shown in greencyan and violetred models FMN molecules are depicted as ball -and- stick ... conserved Structure of the FMN-binding region The hydrogen bonds and salt bridge that encompass the ribitol moiety and the phosphate group of FeR and M acetivorans avoredoxin are moderately and completely...
Ngày tải lên: 07/03/2014, 02:20
Báo cáo hóa học: "Fabrication and Properties of Porphyrin Nano- and Microparticles with Novel Morphology" docx
... dipole of CoTPPS4- and that of H2TAPP4+ in the formation process of porphyrin nanoand micro-particles [33, 34] The Soret and Q bands of sample solution placed for 72 h are not shifted, and the ... is one of the proofs that the pyramids consist of CoTPPS4- and H4TAPP6+ Figure 1c, d shows the images of samples and 3, respectively In Fig 1c, the diameter of the spheres is in the range of 250–1,300 ... porphyrin nano- and micro-particles made up of J- and H-heteroaggregates to date [26] The photocatalytic and photoelectronic properties of TiO2 sensitized with this type of porphyrin nano- and micro-particles...
Ngày tải lên: 22/06/2014, 01:20
Báo cáo hóa học: "Influence of Rare Earth Doping on the Structural and Catalytic Properties of Nanostructured Tin Oxide" docx
... also by acidic sites of the oxide catalysts Thus, it may be suggested that the control of surfaces and modifications of the nanostructures of the tin oxide particles, undoped and doped with rare ... Conversion/Selectivity (%) ð1Þ The effects of the process of segregation and de-mixing of these rare earths on the SnO2 catalytic properties were studied and compared In spite of the relatively low specific ... information on the catalytic properties and application of these nanostructured materials Nowadays, this process has gained increasing attention due to the possibility of obtaining hydrogen for...
Ngày tải lên: 22/06/2014, 01:20
Báo cáo hóa học: " Fabrication and Properties of Ethylene Vinyl Acetate-Carbon Nanofiber Nanocomposites" docx
... tremendous increment of 350 and 520% with the addition of and wt.% of CNF, respectively The elongation at break, on the other hand, shows steep decrement with the amount of CNF The effects of various high-energy ... where, ID and IG are the intensities of well-known D and G band peaks of carbon materials, respectively (J.J George and A.K Bhowmick, personal communication) The ratio between the disorder and the ... Analysis Plotted in Fig 2a is the variation of tensile properties of EVA with the incorporation of different amounts of Fig SEM micrographs of a untreated and b acid-treated CNFs 123 untreated CNF...
Ngày tải lên: 22/06/2014, 01:20
Fabrication and characterization of nanostructured half metals and diluted magnetic semiconductors
... illustration of the fabrication process of Fe3O4 36 nanowires FIG 2.6 FIB images of Fe3O4 nanoconstrictions with a width of (a) 150 36 nm and (b) 80 nm, and a length of µm FIG 2.7 XRD pattern of Fe3O4 ... study of active control and manipulation of spin degree of freedom in materials and devices [5] As in this case, the information is carried by both the spin and charge degree of freedoms of an ... Interfacial scattering is dependent on the bandstructure of FM and NM metals at the Fermi level If the bandstructure between FM and NM matches one of the spin states, a lower resistance can be...
Ngày tải lên: 12/09/2015, 11:29
Synthesis, properties and cytotoxicity of nanostructured nickel ferrite particles
... (b) the composite of C1 and PLA and (c) the composite after immersed in DCM for 30 Figure 4-4 SEM images of (a) B1+S and (b) the composite of B1+S and PLA Figure 4-5 SEM images of (a) B2, (b) B2/PLA, ... the edge of one specific particle of C2 Figure 3-7 Relationship between zeta-potential and pH for C1 and C2 Figure 3-8 TGA results of C1 and C2 The arrows represent the onset points of the second ... Calculation of anisotropy constants (K) in C1 and C2 Table 3-5 Calculated crystallite sizes of B1 and B2 estimated using Scherer’s formula Table 3-6 Crystallite sizes and strains of B1 and B2 estimated...
Ngày tải lên: 14/09/2015, 17:50
Fabrication and properties of manganese doped zinc oxide
... in un-doped and Mn-doped ZnO [9] Obviously, the change in the optical properties is strongly dependent on the method of incorporation of Mn, fabrication conditions, and properties of un-doped ... The production of these FETs using nanobelts has allowed the exploration of physical and chemical properties of the nanostructures Arnold et al [17] has demonstrated the fabrication of nanoscale ... nature of III-V and II-VI-based DMS allows the possibility of “tuning” the lattice and band parameters by varying the composition of the material Because of the tunability, this type of alloy...
Ngày tải lên: 06/10/2015, 20:42
Tài liệu Nature and Properties of Micro-organisms doc
... (VZV) VZV: Chickenpox VZV: Shingles Re-activation of latent infection Suppression of cell mediated immunity Bacteria Unicellular, DNA and RNA Binary No prokaryotes fission mitochondria ... reducing opsonisation and protecting from phagocytosis E.g Streptococcus pneumoniae in RTI vaccination: pneumococcal; meningococcal A and C GLYCOCALYX loose meshwork of fibrils extending ... cephalosporins and vancomycin lipoteichoic acid, septic shock Beta-lactamases hydrolyse penicillins and cephalosporins secreted by Gram positive bacteria Within periplasm of Gram negative...
Ngày tải lên: 12/12/2013, 17:15
Tài liệu Báo cáo khoa học: Structure and function of active chromatin and DNase I hypersensitive sites pdf
... modulation of chromatin structure and transcription by nucleosome binding properties of PARP-1 Cell 119, 803–814 111 Ryoji M & Worcel A (1985) Structure of the two distinct types of minichromosomes ... functions of PARP-1 are activated in the presence of NAD+ it mediates the PARylation of both histones and PARP-1 itself, and thereby promotes decondensation of higher order chromatin structure ... with binding of both MOF and Tip60 (equivalent to Esa1 in yeast NuA4) [124,130] However, in human cells depletion of MOF, but not Tip60, results in reduced global levels of AcH4-K16 and defective...
Ngày tải lên: 14/02/2014, 18:20
Tài liệu Báo cáo khoa học: Interaction between very-KIND Ras guanine exchange factor and microtubule-associated protein 2, and its role in dendrite growth – structure and function of the second kinase noncatalytic C-lobe domain docx
... domains of Spir-2 and PTPN13 were generated by RT-PCR and inserted into pEGFP-C1 and pGEX-4T-2 The N- and C-terminal regions of the v-KIND KIND2 and the MAP2 CD were generated by PCR and cloned ... series of GST-fused deletions of the CD2-1 region (Fig 3E) and examined the interactions between bacterially expressed proteins of these subregions (Fig S1C) and 1654 Fig Of all members of the ... in dendrites of cultured hippocampal neurons Fig S4 Domain structure of MAP2 and the alignment of v-KIND-binding core (BD) region of MAP2 CD2 domain (702–744 aa) in human, mouse and Gallus This...
Ngày tải lên: 14/02/2014, 19:20
Tài liệu Body Size: The Structure and Function of Aquatic Ecosystems pptx
... patterns and processes at different levels of biological organization: from the life histories of individuals, to the structure and dynamics of populations and communities, to the fluxes and pools of ... measuring and understanding the roles of different kinds of organisms in the flux and storage of elements in ecosystems The total biomass per unit area, W, is simply the sum of the body mass of all ... abundances and turnover of populations, the allocation of resources among coexisting species, and the fluxes and pools of energy and materials in ecosystems These exchanges are direct consequences of...
Ngày tải lên: 17/02/2014, 19:20
Tài liệu Báo cáo khoa học: Structure and function of plant aspartic proteinases pptx
... representation of the structure of the PSI domain of barley prophytepsin [25] (N-terminal domain, blue; C-terminal domain, red) (C) Model structure of the PSI domain of cardosin A based on the crystal structure ... by the prosegment, but also by the 13 residues of the N-terminal of the mature enzyme and by the ÔflapÕ The anchorage of the prosegment and of part of the N-terminus in the active site cleft is ... isoforms by the excision of the prosegment and of most of the PSI [21] Conversely to what has been found in vivo [31], heavy and light chains of the processed forms of recombinant cyprosin are...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: a-Conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes doc
... pharmacological and physiological properties of the channel In situ hybridization and immunohistochemistry data show overlapping distributions for a variety of subunits, and electrophysiological and other ... analysis of the DNA of different Conus species has already revealed a large number of a-conotoxin sequences [45] and the identification of further specific nAChR ligands is likely The advantage of a ... consisting of the extracellular ligand-binding domain of the a6 subunit and the transmembrane and intracellular domains of the a3 subunit was used in this study PIA selectively blocks rat and human...
Ngày tải lên: 19/02/2014, 12:20