nhồi máu cơ tim cấp có st chênh lên
Effects of impurities on crystal growth processes
... stereochemical correlation between the solid state chemistry of the crystalline phase and the molecular structure of additives has been established by investigating into a number of host-guest ... parts: a relaxation time (tr) for the system to achieve a quasi-steady-state distribution of molecular clusters; time required for the formation of a stable nucleus (tn); and time for the nucleus ... nucleation (vis-à-vis crystal-crystal, crystal-stirrer and crystalcrystallizer) forms an important source of secondary nuclei in the crystallizer (Myerson and Ginde, 2002) Interestingly, recent works...
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Tài liệu Module 8: Solution Design and the Component Object Model ppt
... the steps required to call a COM component " Reference the component " Instantiate an object " Call the object’s interfaces " Destroy the object To use a COM component, the component must first ... duplication The interface must ultimately derive from the special interface IUnknown " Delivery Tip A unique identifier must identify the interface Once published, the interface must be immutable In other ... instances of a COM class differ from most language-based classes in that after an instance has been created, its specific class is no longer relevant to the client All interaction with this instantiated...
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Tài liệu OXFORD DICTIONARY OF Biochemistry and Molecular Biology REVISED EDITION Managing Editor Professor pdf
... allosterism See also allosteric allosteric regulation control of the rate of an enzyme or metabolic system by means of allosteric activation or allosteric inhibition allosteric site see allosteric ... which is secreted into the endosperm to hydrolyse the stored starch aleuroplast any colourless plastid or leukoplast storing protein Aleuroplasts are found in plant cells, particularly seeds Alexander ... with oligosaccharide structures It is the basis of the ABO system, which was the first human blood group antigen system to be detected, by Austrian-born US pathologist Karl Landsteiner (1868–1943)...
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Tài liệu Instructor Notes Module 8: Solution - Design and the Component Object doc
... that students may perceive Prepare some questions to foster a class discussion 4 Instructor Notes Module 8: Solution Design and the Component Object Model Module Strategy Use the following strategy ... understand the various messages and interfaces Prepare some questions to foster a class discussion Activity 8.2: Identifying the Impact of Distributing COM Components In this activity, students ... pace to allow students to absorb the concepts Have examples ready to aid students’ understanding of the concepts, but be careful not to get bogged down Students will completely understand the concepts...
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Chemical bonding and molecular geometry( liên két hóa học và hình học phân tử)
... http://www.oup-usa.org Oxford is a registered trademark of Oxford University Press All rights reserved No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any ... left: The Lewis Structure Top right: The VESPR model Bottom left: Contour map of the electron density Bottom right: Contour map of L Printing (last digit): I Printed in the United States of America ... Popelier p cm -(Topics in inorganic chemistry) Includes bibliographical references and index ISBN 0-19-510496-X (ppk), 0-19-510495-1 (cloth) I Chemical bonds-History Molecules-Models I Popelier, P.L.A...
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Chemical bonding and molecular geometry( liên kết hóa học và hình học phân tử)
... http://www.oup-usa.org Oxford is a registered trademark of Oxford University Press All rights reserved No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any ... left: The Lewis Structure Top right: The VESPR model Bottom left: Contour map of the electron density Bottom right: Contour map of L Printing (last digit): I Printed in the United States of America ... Popelier p cm -(Topics in inorganic chemistry) Includes bibliographical references and index ISBN 0-19-510496-X (ppk), 0-19-510495-1 (cloth) I Chemical bonds-History Molecules-Models I Popelier, P.L.A...
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Tài liệu Báo cáo khoa học: Isolation and molecular characterization of a novel D-hydantoinase from Jannaschia sp. CCS1 docx
... of its 3D structure [35,36] If no crystal structure is available, homology modeling is a powerful tool to investigate the structure–function relationship Based on the homology model constructed ... Schomburg D, Wang JM & Kim Y (2002) Crystal structure of d-hydantoinase from Bacillus stearothermophilus: insight into the stereochemistry of enantioselectivity Biochemistry 41, 9410–9417 Hermann JC, ... recombinant HYDJs was estimated to be 56 kDa, these results suggest that HYDJs occurs as a homotetramer in solution Homology structural modeling of HYDJs A homology model of the structure of HYDJs...
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Tài liệu Báo cáo khoa học: Biochemical and molecular characterization of hazelnut (Corylus avellana) seed lipoxygenases pdf
... nutritional characteristics of seeds and other plant products [11] Hazelnuts are widely used in food industry with the largest part of the world production adsorbed by the pastry industry Hazelnut seeds ... the middle of July and are harvested at the end of August The maturation stages considered in this work were identified on the basis of seed weight Stage I (harvested at the end of May 2002) can ... manufacturer’s instructions RT-PCR was performed using lg of total RNA, oligo-(dT)18 primer and the Superscript II Polymerase (Invitrogen) according to the manufacturer’s instructions The first strand cDNA...
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Tài liệu Báo cáo Y học: Ligand interactions and protein conformational changes of phosphopyridoxyl-labeled Escherichia coli phosphoenol pyruvate carboxykinase determined by fluorescence spectroscopy pdf
... (30 steps) The relaxed structure obtained was nally minimized using steepest descents and conjugate gradients algorithms This nal position for the P-pyridoxyl group was used as a starting structure ... in the presence of Mg2+ Steady state and time resolved uorescence quenching Time resolved emission experiments were carried in the presence of several combinations of substrates and metal ions ... substrates This suggests that the enzyme inactivation should be due to minor alterations in the active site region that affect catalysis but not substrate binding On the other hand, the statistical...
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Tài liệu Báo cáo Y học: Insights into the reaction mechanism of Escherichia coli agmatinase by site-directed mutagenesis and molecular modelling ppt
... the histidine tagged pQE60 E coli expression vector and the histidine-tagged enzyme was expressed in E coli strain JM109, following induction with mM isopropyl thio-bD-galactoside The histidine-tagged ... protein secondary structures by using the software package provided with the instrument Molecular modelling The agmatinase structural model was obtained by homology methods, using the structure of ... arginases were stripped of the first 32 and five amino acids, respectively The location of the gaps was optimized by repetitive modelling, shuffling those aminoacids that were not conserved in the structural...
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Tài liệu Báo cáo Y học: The solution structure and activation of visual arrestin studied by small-angle X-ray scattering pot
... W2 þ 8½arrestinTotal KD WM D M A 4½arrestinTotal constituted only a minor component at 62 lM [14] Our first task in understanding the solution structure and activation of visual arrestin was to ... arrestin’s solution structure and conformation In summary, the transition in arrestin from a ÔbasalÕ state to an ÔactivatedÕ state that binds R* with high affinity involves relatively subtle structural ... crystal structure will also be disordered in solution, but they will contribute Fig Models of the arrestin dimer in solution Models of the arrestin dimer in solution Structural models were constructed...
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MORPHOGENESIS THE CELLULAR AND MOLECULAR PROCESSES OF DEVELOPMENTAL ANATOMY pptx
... the student of morphogenesis, the last question is the most interesting and perhaps the least studied, but it is worth summarising briefly the current state of the answers to the other questions ... embryo at that stage.5 If we are to investigate the basic processes underlying gastrulation, we need a less inconvenient animal and the most accessible embryo in which to study gastrulation turns ... seaurchin embryo to study its gastrulation, but it was the work of Gustafson & Wolpert (1967) that first demonstrated in detail how morphogenesis occurred: because they used time-lapse cinemicrography,...
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Lab Exercises in Organismal and Molecular Microbiology_2 doc
... in this order: pBR322 Lane: Sample: DNA standard λ-HindIII E EcoRI digest E+P EcoRI and PstI double digest P PstI digest Undigested plasmid Alexander−Strete−Niles: Lab Exercises in Organismal ... pBR322 digest lanes EcoRI digest EcoRI and PstI double-digest PstI digest Note: Your gel includes an undigested sample of pBR322 in lane Be sure to compare the bands you see in the digested lanes ... plastic wrap, and stain the gel using the DNA Blue InstaStain method Place a staining sheet over the gel, firmly running your fingers over the surface several times Then place a glass or plastic...
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Lab Exercises in Organismal and Molecular Microbiology_1 pot
... entering stage aperture 14 Substageadjustment knob Raises and lowers condenser 15 Mechanicalstage control Moves slide back and forth on stage 16 Light source Illuminates specimen 17 Coarseadjustment ... Revolving nosepiece (10) Stage (9) Mechanical stage (15) Mechanical– stage control (8) Slide holder (17) Coarse– adjustment knob (11) Stage aperture near center (18) Fine– adjustment knob (12) Condenser ... classification systems recognized by biologists and microbiologists: (a) the five-kingdom classification system of R H Whittaker; (b) the three-domain system of C Woese 17 Alexander−Strete−Niles:...
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Báo cáo khoa học: Assembly and molecular mode of action of the Helicobacter pylori Cag type IV secretion apparatus doc
... functions W Fischer termed type I strains By contrast, type II H pylori strains have vacA m2 genotypes, lack the cagPAI and are less virulent The Cag secretion system is responsible for the induction ... their counterparts in prototypical systems Nevertheless, protein topology predictions and determinations, localization studies and functional studies suggested that Cagc (VirB1), CagC (VirB2), ... IVB secretion systems, where the structure of a domain of the DotD lipoprotein was shown to be similar to secretin domains from type II or type III secretion systems [32] Consistent with the assumption...
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Báo cáo khoa học: NMR solution structure and function of the C-terminal domain of eukaryotic class 1 polypeptide chain release factor pdf
... these residues would lead to destabilization of the whole structure This suggestion is in full agreement with recent studies on the yeast Y410S C-domain mutant [18] The structure, dynamics and functions ... crystal structure [19] Four b-strands (b1, 301–303; b2, 320–323; b6, 389–392; and b7, 409–412) form a b-sheet with three antiparallel strands (1, and 7) and strand 6, which is parallel to strand ... 107 Restraint violations and structural statistics (for 24 structures) ˚ No NOE and dihedral angle violations over 0.2 A and 5°, respectively Average rmsd over ensemble From experimental restraints...
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Báo cáo khóa học: Biochemical and molecular characterization of a laccase from the edible straw mushroom, Volvariella volvacea docx
... at different stages of the mushroom developmental cycle: early, middle and late substrate colonization stages (4, and 12 days); pinhead stage (day 14), button stage (day 18), egg stage (day 21), ... various stages of V volvacea fruitbody development mRNA was extracted from the mycelium harvested at the following stages: substrate colonization stages (4, 8, 12 days), pinhead (day 14), button stage ... bisporus grown under standard composting conditions increased in the compost until just after the ÔpinningÕ stage (height of sporophores, 1.0 cm) of development and was correlated strongly with the...
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Báo cáo khoa học: NMR and molecular dynamics studies of an autoimmune myelin basic protein peptide and its antagonist Structural implications for the MHC II (I-Au)–peptide complex from docking calculations ppt
... Antagonist H2O (3) Agonist Me2SO (4) Antagonist Me2SO (5) Agonist H2O Lowest energy NMR structure in H2O Lowest energy NMR structure in H2O Lowest energy NMR structure in Me2SO Lowest energy NMR structure ... energy-minimized using 2000 steps of steepest descent algorithm For the antagonist, the system was neutralized by replacing a water molecule (with the highest electrostatic potential energy) with ... electrostatic energy terms A simulated annealing protocol in Cartesian space was used starting from an extended conformation consisting of four stages: (a) high-temperature SA stage (10 000 steps,...
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Báo cáo khoa học: Solution structure and backbone dynamics of the XPC-binding domain of the human DNA repair protein hHR23B docx
... restraint violations for the final 20 structures and there were 33–50 distance ˚ restraint violations (0.11 ± 0.04 A) among 1242 total distance restraints for each structure The quality of the structures ... electrostatic interaction in a vacuum We deleted a few distance restraints that were consistently violated during the structure calculation and increased the upper boundary of some distance restraints ... the structure calculation using cyana when the distance violations were relatively small Among the 30 structures with the lowest total energies, we selected 20 structures with the lowest NMR restraint...
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Esophageal Cancer – Cell and Molecular Biology, Biomarkers, Nutrition and Treatment Edited by Ferdous Rastgar Jazii Published pdf
... illustration of SCCE cells and fibroblasts involvement in the vascular network formation Esophageal cancer cells produce TGF-β to activate stromal normal fibroblasts Tumor stromal fibroblasts ... pathologic stage III worsened RFS at 1.009 times, after adjusting for age, sex, and operative method (I et al., 2010) Global levels of histone modifications in ESCC may be an independent prognostic ... release of fibroblast growth factor (FGF-2) by stromal fibroblasts correlates with tumor recurrence and short survival in esophageal cancer patients [66, 74] Stromal fibroblasts are also involved...
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