physical properties and crystal structures
Tài liệu Báo cáo khoa học: Processing, catalytic activity and crystal structures of kumamolisin-As with an engineered active site pptx
... wild-type enzyme and of the E78H mutant, and the structures are very similar (r.m.s.d ˚ 0.264 and 0.312 A for 350 Ca pairs) Crystals of the E78H ⁄ D164N mutant are completely different and contain ... time-dependent enhancement of the 57-kDa band with a concomitant diminution of the 38-kDa and 19-kDa bands, as analyzed by SDS ⁄ PAGE (Fig 3A) The 38-kDa and 19-kDa bands did not disappear completely ... 38-kDa and 19-kDa proteins were mixed and subjected to nondenaturing PAGE, these proteins comigrated with each other, showing a broad protein band that differed from the respective original bands and...
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Báo cáo khoa học: Physical properties and surface activity of surfactant-like membranes containing the cationic and hydrophobic peptide KL4 potx
... peptide and lipid bilayers, and their dependence on calcium Therefore, the objectives of this study were to analyze (a) the effect of KL4 on the physical properties of membranes, in the absence and ... structural and functional properties of the native proteins and thus may offer a useful basis for the design of agents for therapeutic intervention [7] Studies of different fragments and mutants ... 1-palmitoyl-2-oleoyl-phosphatidylglycerol and ⁄ or PA [15], which may decrease the miscibility between these lipids and DPPC A high level of miscibility between DPPC and POPG in bilayers or monolayers has been reported [15,25] and...
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Báo cáo khoa học: Autophosphorylation of Archaeoglobus fulgidus Rio2 and crystal structures of its nucleotide–metal ion complexes pptx
... Escherichia coli and purified as described previously [17] The enzyme was crystallized in the presence of MnCl2 and either ATP alone, or ADP and phosphoserine Crystals of both the ATP and ADP complexes ... solved the structures of Rio2 from crystals grown in the presence of ATP or ADP and MnCl2 In the structures presented here, two metal ions are found in the active site with bound ATP, and one metal ... ATP and its analogs bind between the two lobes and, in most cases, the presence of a ligand results in a movement of one lobe relative to the other This is seen in structures of Rio2 as well, and...
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Synthesis, physical properties and applications of bisanthene based near infrared dyes and semiconductors
... … ……….25 2.2.2 Photophysical Properties and Theoretical Calculations………………… 27 2.2.3 Photostability and Thermal Stability……………………………… …….29 2.2.4 Electrochemical Properties and Chemical Oxidation ... series of bisanthenebased novel PAHs with characteristic structures and unique photophysical and electrochemical properties have been synthesized and investigated in detail in this PhD work In chapter ... photophysical and electrochemical properties of ODI and ODICN……………………………………………………………………………………59 Table 3.2 Characteristics of ODI-CN based FET devices………………… …… 65 Table 4.1 Photophysical and electrochemical...
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Synthesis, physical properties and biradical characters of zethrene based polycylic hydrocarbons 2
... blue and red color denote negative and positive charges, respectively 2.2.3 Photophysical and electrochemical properties Both compounds 2-3 and 2-8 are soluble in common organic solvents and 2-3 ... reactivity, photophysical and electrochemical properties and theoretical calculations will be discussed Figure 2.1 Structures of zethrene 2-1, 7,14-disubstituted zethrene 2-2 and zethrene bis(dicarboximide) ... tunable photophysical properties 3.1 Introduction The family of zethrene has long been fascinating to both theoretical chemists and synthetic chemists due to its unique structure and physical properties. 1...
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Synthesis, physical properties and biradical characters of zethrene based polycylic hydrocarbons 1
... Photophysical and electrochemical properties of compounds 2-3 and 4-3 Table 5.1 Photophysical and electrochemical properties of compounds 5-1 and 5-2 ix List of Figures Figure 1.1 Examples of low band ... and discussion 82 5.2.1 Synthesis 82 5.2.2 Variable-temperature 1H NMR, ESR and SQUID measurements 83 5.2.3 X-ray single crystal analysis and theoretical calculations 86 5.2.4 Photophysical properties ... dyes with tunable photophysical properties 3.1 Introduction 41 3.2 Results and discussion 44 3.2.1 Synthesis 44 3.2.2 Photophysical properties 46 3.2.3 Electrochemical properties 48 3.2.4 Photo-stability...
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Micromechanical properties and domain structures of PZN PT piezoelectric single crystals
... (Presented by Meng Fei Wong) M F Wong and K Zeng, Mechanical properties and domain structures of Pb(Zn1/3Nb2/3)O3-PbTiO3 single crystals using nanoindentation and piezoresponse force microscopy, ... Ferroelectric and Functional Materials, Interfaces and Heterostructures, San Francisco, USA, Apr 28, 2011 M F Wong, L Shen and K Zeng, Characterizing mechanical properties of piezoelectric single crystals ... Review – Mechanical Properties and Their Relationships with Domains Structures in Piezoelectric Materials 15 17 2.1 Mechanical Properties and Nanoindentation 18 2.1.1 Elastic Modulus and Hardness 18...
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Comparison of the physical properties and sealing ability of MTA and portland cement
... compare the physical properties of WMTA and PMTA, White Portland cement (WP) and Ordinary Portland Cement (OP) using the International Standards Organization (ISO), the British Standards Institution ... and physical properties over current endodontic filling materials The following sections will further discuss the physical properties, leakage test results and biocompatibility of MTA 2.4.1 Physical ... procedure PC and MTA were found to be very similar in their sealing ability and physical properties Their constituents were also found to be very similar Given the low cost of PC and similar properties...
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predicting tillage effects on soil physical properties and processes
... questions to Gill and Vanden Berg (1967) and Vanden Berg and Reaves (1966) expressed two additional generalized relations which reflect aspects of the tillage machine system: [3] and [4] where Ts ... - , and G E Vanden Berg 1967 Soil dynamics in tillage and traction USDA Agric Handb no 316 U.S Government Printing Office, Washington, DC 28 SCHAFER & JOHNSON 18 Hendrick, J G., and G E Vanden ... applicable, and at least requires significant modification The concepts and consequences of flow in macropores and fractures have recently been discussed by Bear and Braester (1972), and Thomas and Phillips...
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Electronic and Optoelectronic Properties of Semiconductor Structures
... between physical principles and actual devices Electronic and Optoelectronic Properties of Semiconductor Structures provides engineering and physics students and practitioners with complete and coherent ... strain and polar charge are discussed; iii) electron (hole) transport and optical properties of semiconductors and their heterostructures; and iv) behavior of electrons in small and disordered structures ... “old” topics such as crystal structure and band theory in bulk semiconductors and “new” topics such as bandstructure of stained heterostructures, self-assembled quantum dots, and spin transistors...
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Tài liệu Báo cáo khoa học: Crystal structures of a bacterial 6-phosphogluconate dehydrogenase reveal aspects of specificity, mechanism and mode of inhibition by analogues of high-energy reaction intermediates pdf
... detailed These structures provide insight into the key features of PDH specificity and mode of inhibition of the enzyme Results and Discussion Structural analysis and model quality Crystal structures ... acting as a high-energy-state mimic In our hands, TbPDH is unstable and has proven troublesome for crystallographic studies to characterize ligand binding and inhibition; therefore, an improved system ... forms of PDH and in particular TbPDH, recombinant LlPDH is stable, amenable to crystallographic studies and therefore provides a good model for ligand-binding studies Here we report crystallographic...
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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
... Anatomic, Physical and Mechanical Properties of Bamboo… 27 3.1 Introduction………………………………………………….……………………….27 3.1.1 Anatomical Structures ……………………………….…………… ………….27 3.1.2 Physical and Mechanical Properties …… ... on the physical properties of pulp [Tamolong 1967; Zamuco et al 1969] Aging of a bamboo culm influences physical, chemical, and mechanical properties, and consequently its processing and utilization ... alpha cellulose, and Klason lignin contents and the lowest extractive and ash contents The epidermis had the highest extractive and ash contents and the lowest holocellulose and alpha-cellulose...
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Physical-Chemical Properties and Environmental Fate for Organic Chemicals pot
... existing and new chemicals in the environment 1.2 PHYSICAL- CHEMICAL PROPERTIES 1.2.1 THE KEY PHYSICAL- CHEMICAL PROPERTIES In this section we describe the key physical- chemical properties and discuss ... II and III (1955, 1959, 1961), Organic Solvents, Physical Properties and Methods of Purification (Riddick et al 1986), The Merck Index (Windholz 1983, Budavari 1989) and several handbooks and ... aspects Handbooks, manuals, etc Environmental chemistry Handbooks, manuals, etc I Mackay, Donald, 1936- II Mackay, Donald, 1936- Illustrated handbook of physical- chemical properties and environmental...
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Báo cáo khoa học: Crystal structures of the apo form of b-fructofuranosidase from Bifidobacterium longum and its complex with fructose pot
... C-terminal domain has a b-sandwich architecture and is composed of two six-stranded antiparallel b-sheets In both b-sheets the sixth strand is located between strands and Although the antiparallel ... very long in all structures and forms a helical turn on the top, interacting with b-strand of blade I In the sandwich domain, loops L2–2¢s and L3¢–4¢s in plant enzymes are 26 and 10 amino acids ... loops and the loops between b-strand 2–3 of each blade The second funnel on the opposite side of the cylinder is shallower and is formed by loops 2–3 and 3–4 connecting antiparallel b-strands...
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Báo cáo khoa học: Crystal structures of Nipah and Hendra virus fusion core proteins ppt
... HR1 and HR2 interactions, including the e and g positions in HR1 and the a and d positions in HR2, are labeled Residues that are important in the end deep groove in HR1 and HR2 are framed and ... regions) Results and Discussion Structure determination The HR1 and HR2 regions of the NiV and HeV F proteins consist of residues 137–178 and residues 453–485, respectively, and were predicted ... NiV and HeV are functionally and structurally interchangeable, and this correlates with the sequence similarity of the HR peptides in NiV and HeV (predicted HR1 regions are identical for NiV and...
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Báo cáo khoa học: Crystal structures of the human SUMO-2 protein at 1.6 A and 1.2 A resolution ppt
... structure of SUMO-1 and the crystal structure of yeast B D Fig Photographs and electron density maps of the SUMO-2 crystals Shown in (A) and (B) are two different crystal forms I and II obtained under ... surface properties Thus, comparison of SUMO-1, -2 and -3 surface properties by modelling provides an approach to understanding the relationship between structure and function To date, no crystal ... and human ubiquitin (h_Ubiquitin) Secondary structure elements of SUMO-2 are shown above the sequences with a-helices and b-strands depicted as red cylinders and green arrows, respectively, and...
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Physical-Chemical Properties and Environmental Fate for Organic Chemicals ppt
... trademarks, and are used only for identification and explanation without intent to infringe Library of Congress Cataloging-in-Publication Data Handbook of physical- chemical properties and environmental ... Illustrated handbook of physical- chemical properties and environmental fate for organic chemicals / Donald Mackay, Wan Ying Shiu, and Kuo Ching Ma c1992-c1997 Includes bibliographical references and index ... aspects Handbooks, manuals, etc Environmental chemistry Handbooks, manuals, etc I Mackay, Donald, 1936- II Mackay, Donald, 1936- Illustrated handbook of physical- chemical properties and environmental...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
... Effect 3.4.3.3 Temperature Effect 3.4.4 Results and Discussions 3.4.5 Conclusion PHYSICAL PROPERTIES 4.1 Estimation of Physical Properties 4.2 Physical Properties Computational Approach 4.3 SPARC ... because of expense and because trained technicians and adequate facilities are not available for measurement efforts involving thousands of chemicals In fact, physical and chemical properties have ... providing chemical and physical properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional...
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Báo cáo khoa học: Polysaccharide binding sites in hyaluronate lyase – crystal structures of native phage–encoded hyaluronate lyase and its complexes with ascorbic acid and lactose docx
... containing ascorbic acid and lactose separately for 48 h and the crystal structures of the two complexes were determined and ˚ refined at resolutions of 3.1 and 2.6 A respectively The structures of the ... hyaluronate lyase and useful information has been Structures of hyaluronate lyase and its complexes A HO O O HO HO B OH OH HO OH O OH HO O OH HO O OH Fig Chemical structures of (A) ascorbic acid and (B) ... regions and associated structural changes upon ligand binding have not been characterized so far To understand the structure and function relationship of unusually structured triple-stranded hyaluronate...
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