gray iron­a unique engineering material

Ngày tải lên: 06/07/2014, 05:20

... material can be found in the online version of this article. Please note: As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials ... different subunits are colored gray, blue, and yellow. Water molecules are shown as spheres and depicted in red; zinc ions are shown as spheres and depicted in gray. (B) Electron density map ... concomi- tant presence of iron and zinc at the catalytic center is yet another manifestation of its uniqueness. Thus, in other members of the Dps family, notably L. innocua Dps [31] and Streptococcus...

Ngày tải lên: 15/03/2014, 09:20

Ngày tải lên: 16/02/2014, 15:20

... histolytica has been shown to be unique in a variety of aspects including: (a) a lack of both forward and reverse transsulfuration pathways [25], (b) the presence of a unique enzyme methionine c-lyase ... for tetrameriza- tion, and (b) exists as a homodimer, dissimilar to PGDH from other organisms. Materials and methods Chemicals All chemicals of analytical grade were purchased from Wako (Tokyo, ... biochemical characterization of D -phosphoglycerate dehydrogenase from Entamoeba histolytica A unique enteric protozoan parasite that possesses both phosphorylated and nonphosphorylated serine...

Ngày tải lên: 19/02/2014, 13:20

... resulting material fractionated on a column of Bio-Gel P-4 eluted with 0.1 M pyridinium acetate buffer at pH 5.3. Polymeric material (minor) was recovered at the void volume and oligomeric material ... Denmark Streptococcus mitis strain SK598, which represents a sub- group of biovar 1, possesses a unique variant of the C-polysaccharide found in the cell wall of all strains of Streptococcus pneumoniae ... is examined in the present study. It is concluded that this S. mitis biovar 1 strain possesses a unique variant of double choline-substituted C-polysaccha- ride that lacks only the methyl groups...

Ngày tải lên: 20/02/2014, 11:20

... cinerea 20 Fusarium oxysporum 5 Fusarium solani 5 Fusarium verticillioides 30 Neurospora crassa 10 Unique 10-cysteine antifungal peptide from wheat T. I. Odintsova et al. 4270 FEBS Journal 276 (2009) ... of AMPs produced by plants to combat pathogenic microorganisms. Experimental procedures Biological material and chemicals Seeds of T. kiharae Dorof. et Migush. (Poaceae, Magno- liophyta) were obtained ... automated Edman degradation on a model 492 Procise sequencer (Applied Biosystems, Foster City, CA, USA). Unique 10-cysteine antifungal peptide from wheat T. I. Odintsova et al. 4272 FEBS Journal 276 (2009)...

Ngày tải lên: 07/03/2014, 02:20

... Cel48C, a unique type of cellulase among Bacillales, bearing a multidomain structure and showing the properties of a processive enzyme acting from the reducing ends of the sugar chain. Materials ... cellulose was tested and used for enzyme purification. Following the procedure described at the Materials and methods section, Cel48C strongly bound to ASC, Avicel and BMCC (not shown), although ... 270) Ó FEBS 2003 Exo-mode of action of cellobiohydrolase Cel48C from Paenibacillus sp. BP-23 A unique type of cellulase among Bacillales Marta M. Sa ´ nchez, F. I. Javier Pastor and Pilar Diaz Department...

Ngày tải lên: 08/03/2014, 02:21

... H1-like protein in the sperm of Mytilus. J Biol Chem 268, 195–199. Supplementary material The following supplementary material is available online: Table S1. Proteins used in the phylogenetic analysis shown ... comparison with somatic cells. Biol Reprod 44, 569–574. 26 Ward WS & Zalensky AO (1996) The unique, complex organization of the transcriptionally silent sperm chro- matin. Crit Rev Eukaryot ... Fig. 3. The accession number for the sequence and the organism’s source are also indicated. This material is available as part of the online article from http://www.blackwell-synergy.com N. Saperas...

Ngày tải lên: 08/03/2014, 08:20

... modes If a material is loaded with a force, the atoms within the material are dis- placed – the material responds with a deformation. This deformation deter- mines the mechanical behaviour of the material. ... high-temperature materials, the mechanical behaviour of materials, and in m aterials develop- ment. Dr Ing. Harald Harders, born in 1972, studied mechanical engineering, with a focus one mechanics and materials, ... mm. Preface Components used in mechanical engineering usually have to bear high me- chanical loads. It is, thus, of considerable importance for students of mechan- ical engineering and materials science to thoroughly...

Ngày tải lên: 14/03/2014, 12:13

... Designing with composites: materials for violin bodies 312 Appendix 1 Teaching yourself phase diagrams 320 Appendix 2 Symbols and formulae 370 Index 377 viii Contents Engineering Materials 2 An Introduction ... It is also easy to cut, bend or machine to shape. And last, but not least, it is cheap. 30 Engineering Materials 2 Fig. 3.4. At 232°C, the melting point of pure tin, we have a L + Sn two-phase ... crystals can be made to match up at the boundary. Then, although there is a sharp change in 22 Engineering Materials 2 Fig. 2.7. Many metals are made up of two phases. This figure shows some of the...

Ngày tải lên: 14/03/2014, 14:20

... protein targets for ubiquitination. This split-function motif is unique for a single protein E3 ligase. Unlike other E3 ligases, GRAIL is uniquely localized to the transferrin-recycling endocytic pathway. Table ... Journal 278 (2011) 47–58 ª 2010 The Authors Journal compilation ª 2010 FEBS MINIREVIEW GRAIL: a unique mediator of CD4 T-lymphocyte unresponsiveness Chan C. Whiting, Leon L. Su, Jack T. Lin and ... related to anergy in lymphocytes, also known as RNF128), an ubiquitin–protein ligase (E3), utilizes a unique single transmembrane protein with a split-function motif, and is an important gatekeeper...

Ngày tải lên: 15/03/2014, 00:20

... sentence. 138 **MILK IS A FLUID. I UNDERSTAND THAT MILK IS A FLUID **GLASS IS A MATERIAL. I UNDERSTAND THAT GLASS IS A MATERIAL Each of the above input sentences is parsed by the rules of Section ... the system has been informed that glass is a material. Since the string "a glass bottle"is a noun-noun phrase, glass is a subset of material, and bottle is a subset of container, ... questions and the nature of response. XI SUMMARY This study explores the realm of a Knowledge Engineering approach to Natural Language Understanding. A basic core of NL rules enable the NLU...

Ngày tải lên: 17/03/2014, 19:21

... 1.7. How the properties of engineering materials affect the way in which products are designed. 18 Engineering Materials 1 Table 2.2 UK imports of engineering materials, raw and semis: ... shortages of engineering materials in the future? One way obviously is by Material- efficient design Many current designs use far more material than is necessary, or use potentially scarce materials ... special materials with lower moduli - jelly, for instance, has a modulus of about 104GPa. Practical engineering materials lie in the range lo” to 10+3GPa - a 22 Engineering Materials...

Ngày tải lên: 22/03/2014, 12:20

... F. Ashby and D. R. H. Jones, Engineering Materials 1: An Introduction to their Properties and Applications, 2nd edition, Butterworth-Heinemann, 1996. 20 Engineering Materials 2 chemical composition, ... other book on the properties and applications of engineering materials,* but it is not necessary to have read that to understand this. In it, we group materials into four classes: Metals, Ceramics, ... chapters to describe each of the four classes of materials. In each group we first introduce the major families of materials that go to make up each materials class. We then outline the main microstructural...

Ngày tải lên: 22/03/2014, 12:20

... GGT. Unique structure of the catalytic pocket of B. subtilis GGT Comparison of the B. subtilis GGT structure with the previously reported E. coli and H. pylori GGT struc- tures [8,9] revealed a unique ... glutamate molecule is depicted in each GGT with a space-filling model. The region corresponding to the unique C-terminal segment of B. subtilis GGT and the lid-loops of E. coli and H. pylori GGTs are ... struc- tures of B. subtilis GGT and B. anthracis CapD (Protein Data Bank ID: 3G9K) are shown in gray and brown, respectively. Stick models of the glutamate (orange) in GGT and the di-a-glutamate...

Ngày tải lên: 22/03/2014, 21:20

Ngày tải lên: 23/03/2014, 07:20

Ngày tải lên: 23/03/2014, 21:21

Ngày tải lên: 24/03/2014, 00:20

Ngày tải lên: 24/03/2014, 05:20