pna structure and properties

... Previously, we compared the structure and properties of the wild-type HSP22 and its K141E mutant [29] The present study analyses the structure and properties of K137E and the K137,141E mutant of ... b-strands are numbered and the b5 and b7 strands are shown in red and blue, respectively G104 (equivalent to K137 of human HSP22) and R108 (equivalent to K141 of human HSP22) are shown in purple and ... quantities of a-helices and is enriched in unordered structure and b-strands The residues of HSP22 that are predicted to form b-strands are indicated by wide dashed red lines in Fig 1B and are located...

Ngày tải lên: 23/03/2014, 07:20

... 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 and Properties ... Metalcarbohedrenes 355 11S.1 Structure and infrared vibrational spectroscopy 355 11.5.2 Other physical properties of metcars 359 11S Chemical reactivity 360 xiv Structure and Properties of Atomic ... is at N = 71, and two additional 28 Structure and Properties o Atomic Clusters f adjacent umbrellas at N = 81 and N = 88 Again those umbrellas share triangular faces On the other hand MIC umbrellas...

Ngày tải lên: 04/06/2014, 14:33

... up to 30% of its weight in water and can also absorb and retain large amounts of dye  This region is also responsible for wool’s fire-resistance and antistatic properties Nazmul Ehsan, Southeast ... Cortical cell  The cortical cells are surrounded and held together by a cell membrane complex  The cell membrane complex contains proteins and waxy lipids and runs through the whole fibre  The cell ... cortical cells – ortho-cortical and paracortical Each has a different chemical composition  These two types of cells form in two distinct halves The cells expand differently when they absorb...

Ngày tải lên: 06/08/2015, 13:08

... films with superior electrical and piezoelectric properties on silicon substrates using PLD and then to understand the relationship between structure and performance properties However, due to the ... Experimental procedures 59 4.3 Results and discussion 61 4.3.1 Crystal structure 61 4.3.2 Microstructure 61 4.3.3 Electrical properties 65 4.3.4 Piezoelectric properties 68 4.4 Conclusions 71 4.5 ... Experimental procedures 89 6.3 Results and discussion 90 6.3.1 Crystal structure 90 6.3.2 Microstructure 92 6.3.3 Electrical properties 94 6.3.4 Piezoelectric properties 97 6.4 Conclusions 98 6.5...

Ngày tải lên: 16/09/2015, 08:31

... bonding 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 ... molecules and NaCl ions act to break apart the ionic bonds UNIT Chapter 4: Chemical Bonding and Properties of Section 4.1 Matter Properties of Ionic Compounds Mechanical Properties • hard and brittle, ... 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...

Ngày tải lên: 01/12/2015, 22:44

... rheological properties, mechanical properties and other dynamic properties of three rubbers (including one SSBR and two A-SSBRs) filled with silica were investigated respectively Besides, the mechanism and ... 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 ... 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 A-SSBR/SiO2 composite In this...

Ngày tải lên: 11/06/2016, 22:43

... (222), (400), (422), (511) and (440) These planes are indications of the presence of a spinel cubic structure The diffraction lines corresponding to a cubic, spinel-type and crystalline phase provides ... cell and N is the Avogadro’s number Since each primitive unit cell of the spinel structure contains molecules, the X-ray density, ‘D X’ was determined according to the following relation and is ... X-ray, θ the angle between the incident and diffracted beams (degree) and d the particle size of the sample (nm) (in Table 1) 3.2 FT-IR spectroscopy The band wavenumber v1 , v2, (Table 2) generally...

Ngày tải lên: 13/02/2014, 04:20

... we present the crystal structure of DvMF avoredoxin and discuss the key residues for ligand binding and metal ion binding, based on the crystal structures Results Cloning and sequencing of the ... and 12 b strands (b112) as secondary structural elements; it also has a Greek key motif with seven anti-parallel b strands (Figs and 2A), which is also found in DvMF FMN-binding protein [7] and ... 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...

Ngày tải lên: 07/03/2014, 02:20

... enzyme with respect to its catalytic properties and crystal structure The crystal structures of ChiG and ChiC [18] permitted structural comparison between bacterial and plant enzymes, which provided ... extended towards Cys183 in ChiC (and in the plant enzymes) Compared to the barley enzyme, ChiC and ChiG lack three loops (A, B and C) and a C-terminal extension (Figs and 4B) In addition, one other ... experiments and helpful discussions, and May Bente Brurberg and Svein Horn for helpful discussions The authors acknowledge the beamline staff at ID14-EH3 for technical assistance, and the ESRF and the...

Ngày tải lên: 07/03/2014, 11:20

... three-dimensional structure of one tRNAspecies and to discuss the extent to which it explains and makesunderstandable various aspects of the chemistry and solution behavior of this and other tRNA ... interaction of Dand T¢;Cloops by augmenting stacking interaction Stabilizes T~C loop aStandard symbols used for referring to basesandto their atoms Rstands for a purineandYstands for a are pyrimidine ... three-stranded molecule consisting of one strand of poly(rA) and two strands of poly(rU) (165) pointed out that the second uracil residue could form H bonds with the amino group of adenine (N6) and...

Ngày tải lên: 13/03/2014, 19:38

... electronic structure, optical, MO, and XMCD properties of compounds and multilayered structures Chapter of this book is of an introductory character and presents the theoretical foundations of the band ... both functionals [84, 85] A= TLFeBOOK 12 ELECTRONIC STRUCTURE AND MO PROPERTIES OF SOLIDS In a study of the band structure of V and Cu, Norman and Koelling [86] found that the LMH potential gave ... experimental and theoretical investigations of the electronic structure, optical and MO properties of transition metal multilayered structures (MLS) The most important from the scientific and the technological...

Ngày tải lên: 17/03/2014, 14:51

... temperature and vanishes at 1000 K Among all iron oxides, Fe3O4 and g-Fe2O3 exhibit the largest saturation magnetization of 84 and 74 Am2/kg, respectively The slightly decreasing feature between 800 and ... Science Foundation of China (Grants nos 59725103, 50332020, and 50171070), and the scientific exchange program between China and The Netherlands References [1] A Hoel, L.F Reyes, P Heszler, V Lantto, ... WO2 and part of the W could be oxidized to WO3 after air annealing at 573 K Iron and its oxide could be indexed in the XRD patterns of both samples However, the weak diffraction peaks for iron and...

Ngày tải lên: 20/03/2014, 13:08

... essential in order to obtain quaternary structures larger than hexamers, and that different quaternary structures exhibit different cooperative and allosteric properties [18,41,42] Furthermore, the ... in Table 1, C or I, and, to some extent, also I* and C* The lower stability of Hc from nonpeneid Crustacea yields a structure where divalent ions (such as Ca2+ and Mg2+) and pH regulate the oligomerization ... Beltramini et al P monodon hemocyanin structure and function equilibrium constant, lo, describes the ratio of conformations r and t in the absence of ligand: lo ¼ ½t0 Š ½r0 Š Three-state MWC...

Ngày tải lên: 23/03/2014, 13:20

... Hemoglobin and Myoglobin and Their Reactions with Ligands Elsevier, North-Holland Publishing, Amsterdam, the Netherlands Dickerson, R.E & Geis, I (1983) Hemoglobin: Structure, Function, Evolution and ... in the crystal structure of Pe metHbH2O [16] and as conrmed herein by solution 1H NMR of Pe metMbCN Proximal and distal residues are shown as rectangles and circles, respectively, and arrows connecting ... ligand to participate in H-bonding to the ligated cyanide The van der Waals surfaces for the Tyr32(B10) Og and the 10 tilted cyanide ligand are shown in Fig and establish that the Tyr Og and...

Ngày tải lên: 23/03/2014, 17:22

Ngày tải lên: 13/05/2014, 09:07

... that the structure includes the two layer stacks of TiO2 and ZrO2 films and that the interface layer is observed between the ZrO2 film and the Si substrate The physical thickness of ZrO2 and TiO2 ... 22(4):1342 19 Zhao X, Vanderbilt D: Structural and dielectric properties of amorphous ZrO2 and HfO2 Phys Rev B 2006, 74:12108 20 Wong H, Iwai H: On the scaling issues and high-κ replacement of ... strain and dielectric properties in ZrTiO4 thin films Appl Phys Lett 2000, 76:3043 22 Wang H, Wang Y, Feng J, Ye C, Wang BY, Wang HB, Li Q, Jiang Y, Huang AP, Xiao ZS: Structure and electrical properties...

Ngày tải lên: 20/06/2014, 21:20

... conclusion, the field emission properties for Ag-TCNQ nanostructured array were dependent on the structure and morphology determined by the reaction temperature and the initial Ag film thickness ... Because the Ag-TCNQ nanowires with 30-nm-thick Ag film are with regular array and proper structure of tips, their field emission properties dependence on the other growth conditions are first studied in ... temperature of 373, 393 and 413 K with 30-nm-thick Ag film, respectively, and other conditions are the same With the temperature increasing, the turn-on field is 2.0, 5.5 and 7.0 V/lm, respectively...

Ngày tải lên: 21/06/2014, 17:20

... ions and both the O and the ions in A sites and not contain the vibration of the ions in B sites at all [23, 24] Figure shows the Raman spectra measured at 293 K for the Fe3O4, Zn0.41Fe2.59O4, and ... was fitted by two peaks at 648 and 679 cm-1 In fact, the Raman modes at 653 and 648 cm-1 are ascribed to the oxygen breathing vibrations against zinc; and the 681 and Fig The top view SEM micrographs ... DMABFe(NO3)3-Zn(NO3)2 solutions at 80°C by adjusting the Zn(NO3)2 concentration The dependence of structure and magnetic properties of the ZnxFe3-xO4 ferrite films on the Zn content was studied 1519 diffraction...

Ngày tải lên: 21/06/2014, 17:20

... that the observed dielectric and ferroelectric properties of BNTZ ceramics largely depended on compositional and crystal structure changes Optimization of these properties could be achieved by ... zirconate experiment and analysis and drafted the manuscript PJ participated as the assistant for the research experiment AW and SJ participated in the conception and design of the study and revised the ... PANalytical B.V., Almelo, The Netherlands) with CuKa radiation was used to investigate the phase and crystal structure of the sintered ceramics The preliminary crystal structure details were calculated...

Ngày tải lên: 21/06/2014, 17:20

... three emission bands assigned to the UV band-edge emission (368 nm), the violet emission (420 nm), and the blue emission (457 nm) The blue shift of the UV band-edge emission and the blue emission ... 380 nm and the visible emission band ranging from 440 to 600 nm [34] In general, the emission band in the visible region is associated with structural defects in ZnO [5] The UV near-band-edge ... interface traps and the valence band Similar results have also been reported in the ZnO/SBA-15 Nanoscale Res Lett (2009) 4:646–654 nanocomposite [12] The weak and broad blue emission band centered...

Ngày tải lên: 22/06/2014, 00:20