classification structure and properties of pla2

... Printed in the United States of America Article Journal of Nanoscience and Nanotechnology Vol 15, 1–10, 2015 www.aspbs.com/jnn Effects of Porogen on Structure and Properties of Poly Lactic Acid/Hydroxyapatite ... with step angle of 0.030, scanning rate of 2.10 Mechanical Properties The mechanical properties (Young’s modulus and ten-sile strength) of PLA, PLA/md-HAp/PEO nanocompos-ites with and without porogen ... porosity of the nanocomposite However, the high porosity of the nanocomposite was able to destroy the structure in size and reduced tensile properties of the nanocomposites In the case of low porogen

Ngày tải lên: 21/03/2017, 17:10

... Trang 1 AND TRAINING SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY OF SCIENCE AND TECHNOLOGY -MA THI ANH THU RESEARCH ON THE SYNTHESIS AND CHARACTERIZATION OF STRUCTURE AND PROPERTIES OF TiO2-BASED ... thesis is proposes as "Research on the synthesis and characterization of structure and properties of TiO 2 -based composite for the treatment of some pollutants in air environment nano-" ... nano-composite the treatment of toluene, bacteria and fungal contamination in the air 3 The main research activities Trang 5- Characterization of the structure, properties and composition of - Investigate

Ngày tải lên: 10/01/2020, 06:43

... scattering of the E2g phonon of sp2 C atoms of graphene (G-band), respectively [44] The intensity of D-band is stronger than that of G-band, meaning the presence of high density of defects and structure ... disappearance of diffraction peak of GO Figure 3 XRD patterns of a) GO and rGO, b) Fe2O3/graphene composites synthesized at 120, 150, 180, 210 and 240 oC for 8 h. The Raman spectra of GO, rGO and Fe2O3/graphene ... peaks of hematite and the D and G bands of graphene, which implies the formation of Fe2O3/graphene composite Moreover, the Raman peaks at about 220 cm-1 is assigned to the A1g mode and 285 cm-1 can

Ngày tải lên: 13/01/2020, 06:05

... size and distribution Understanding the link between humidity and fiber morphology will allow for better control over the properties of electrospun fibers An in-depth investigation of humidity and ... existence of pores on the surface of electrospun fibers and the ability to fill these pores with silver nanoparticles (2) The goal of this research is to study the effect of increasing humidity and ... INFLUENCE OF HUMIDITY AND MOLECULAR WEIGHT ON FIBER IntroductionUnderstanding how to control the surface morphology of electrospun fibers is essential to gain a fundamental understanding of the

Ngày tải lên: 02/10/2024, 02:12

... Comparison of the positions of the tip of domain IV in all available EF-G structures in the PDB The structures were superimposed on the basis of domains I and II Looking from the direction of the ... as in the apo structure of T thermophilus EF-G [13], and upon crystal soaking with GDP, partial occu-pancy of the peptide-flipped structure is observed, in agreement with structures of T thermophilus ... occupancy of GDP in the nucleotide-binding site Therefore, we present here the apo structure of S aureusEF-G Overall structure and comparison with previous EF-G structures All five domains of S aureus

Ngày tải lên: 06/03/2014, 22:21

... struc-tures of these proteins, all tetrameric, showed signifi-cant similarity to the published structures of transthyretin By way of example, a comparison of the structure of S dublin TLP with the structures ... Interruptions in the b-strands A, G and H are also observed in TLP structures as a result of alterations to the formation of hydrogen bonds between strands The carbonyls of residues V104 and P105 (zebrafish ... S dublinTLP and zebrafish TLP are found in the flex-ible portions of strands B and C that protrude towards the solvent and in the conformation of the long loop connecting strands D and E [17] Greater

Ngày tải lên: 07/03/2014, 00:20

... equivalent segments of each member of the family of the solution structure of the M domain of human eRF1 The resulting rmsd values (y-axis) and their deviations through the 25 NMR structures are shown ... eRF1 in vitro [20,30], of yeast eRF1 in vivo [3], and of Es coli RF2 both in vivo and in vitro [31,32] For instance, GAQ mutants of both RF1 and RF2 are four to five orders of magnitude less efficient ... N-HSQC spectra of the M domain of human eRF1 The numbering of the residues corresponds to that of the full eRF1 protein (A) The Gly region of the 1 H, 15 N-HSQC spectrum of the M domain of human eRF1

Ngày tải lên: 07/03/2014, 05:20

... in which the b1-strand and b2-strand are adjacent and parallel to each other, and the b¢-strand is adja-cent and antiparallel to the b1-strand (Fig 1) The length and sequence of the variable loop ... a1-helix and a2-helix and the b2-strand of KH1 Intimate contacts between protein and RNA continue across the cusp of the KH1 and KH2 domains C46 binds to the Fig 6 Crystal structures of the first ... a1-helix and the edge of the b2-strand), where it con-tacts both the invariant GXXG motif and the variable loop Nucleic acid binding by tandem but independent KH domains – NMR structure of the KH3 and

Ngày tải lên: 07/03/2014, 05:20

... a-helices Residues involved in binding of the cofactor ThDP are located at the C-terminal ends of the b-strands of Dom-c (diphosphates and Mg2+) and of Dom-a¢ of a neighbouring subunit (pyrimidine ... crystal structure of BAL with bound cofac-tor ThDP at 2.6 A˚ resolution, suggest the geometry of the reaction and explain the substrate specificity in structural terms Results and Discussion Structure ... pathways and catalyse a broad range of reactions mainly involving the cleavage and the formation of C–C-bonds For instance, they catalyse nonoxidative and oxidative de-carboxylations of 2-ketoacids,

Ngày tải lên: 07/03/2014, 12:20

... (30% of that of taurocyam-ine) and glycocyamine (7% of that of taurocyamtaurocyam-ine) Neither TK catalyzed the phosphorylation of creatine Comparison of the deduced amino acid sequences of mitochondrial ... models for Arenicola TK and MiTK were con-structed, based on the structures of chicken and human MiCKs Alignment of amino acid sequences of phosphagen kinases and construction of phylogenetic tree ... stability of MiCKs as demonstrated by site-directed mutagenesis studies and by several X-ray crystal structures (reviewed in Fig 3 Prediction of three-dimensional structures of Arenicola TK and MiTK

Ngày tải lên: 07/03/2014, 21:20

... of a unique enzymatic protein Molecular mass and pI determination of F 4¢-OMT The molecular mass of the pure enzyme was calculated both through gel-filtration and PAGE (Fig 7)in the presence of ... 1 Molecular structures of the hydroxybenzoic acid (I, II) and hydroxycinnamic acid (III, IV) derivatives assayed as substrates for the flavonoid 4¢-OMT. Fig 2 Molecular structures of the flavones ... the method of Baayen and Elgersma [13], with a 500-lL drop of Fod conidial suspension at a concentration of 9· 106conidiaÆmL)1; 20 additional plants, inoculated with a 500-lL drop of double distilled

Ngày tải lên: 08/03/2014, 08:20

... GST±Rab31 and Fig 7 Puri®cation and properties of wild-type and mutant Rab31 and Rab32 expressed as GST±fusion proteins Samples of platelet particu-late fraction protein and of puri®ed GST and GST±Rab ... of platelet protein and 0.5 lg of GST and GST±Rab proteins; (B) an [a- 32 P]GTP overlay [17] of a nitrocellulose blot of a gel containing 40 lg of platelet protein, 0.5 lg of GST and 0.5 lg of ... expression and properties of Rab31and Rab32 New blood platelet Rab proteins Xiankun Bao1, Andrea E Faris2, Elliott K Jang1and Richard J Haslam1,2 Departments of 1 Pathology and Molecular Medicine and

Ngày tải lên: 08/03/2014, 16:20

... processes overlap and are closelylinked so that the form and structure of the plant evolves as the integration of many consecutive and interactingprocesses THE STRUCTURE AND DEVELOPMENT OF THE CEREAL ... formation of florets within each spikelet and, later, the regression and death of some florets and spikelets and the death of some tillers This phase is also the time of greatest dry mass increase and ... yellow earthy sand (sandplain), loamy sand over clay (medium) and red-brown earth (heavy land) at Merredin. Table 4.2 – Yield and water use (mm) of old and new wheat cultivars and one barley

Ngày tải lên: 08/03/2014, 23:20

... collected at 300 K of single CCP1 and CCP2 and of pair of modules at neutral and acidic pH Doc S1 Intermodule cooperativity in the structure and dynamics of consecutive. ... mainly the b-strands. The loops between strands B and C, known as the ‘hypervariable loop‘, D and E, E and F, F and G, and G and H are particularly tolerant of longer insertions [19]. In multimodular ... with aspartate and ⁄ or glutamate residues. In the light of atomic structures of CCP1 and CCP2 (2qy0 [36] and 1gpz [37]), this perturbation might indicate that in CCP1, the side chain of H335 is fully

Ngày tải lên: 15/03/2014, 23:20

... 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

... 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

... 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

... 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

... 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