ATOMIC MECHANISM OF HOMOGENEOUS MELTING OF BCC FE AT LIMIT OF SUPERHEATING

Báo cáo y học: "Ultra-low microcurrent in the management of diabetes mellitus, hypertension and chronic wounds: Report of twelve cases and discussion of mechanism of action"

... and diseases such as type diabetes mellitus, obesity and the metabolic syndrome (30) In these conditions there is an elevation of both glucose and free fatty acid levels in the blood and an increase ... discontinuation of therapy HbA1c increased to 7.8 Discussion The results of this preliminary trial showed that ultra-low microcurrent has apparent therapeutic effects on diabetes, hypertension and ... rapidly deteriorated and he developed necrotizing fasciitis and osteomyelitis Consequently, he had surgery removing tendons, skin and the capsular linings of joints from his right foot The patient...

MECHANISM OF THE REACTION OF LiAlH4 WITH AN ESTER

...

Tài liệu ECCENTRIC MECHANISM OF FOUR-BAR LINKAGE pptx

... INTRODUCTION TO COMPUTER AIDED DESIGN ECCENTRIC MECHANISM OF FOUR-BAR LINKAGE Pro/ENGINEER Wildfire 2.0 Dr Herli Surjanhata A component can be placed as a connection within mechanism assembly The following ... ASSEMBLY eccentric_ mechanism. asm Click , Enter the name of eccentric_ mechanism OK Click Then open sub-assembly base_asm.asm and assemble it at default location by selecting 24 Open sub-assembly eccentric_ asm.asm ... right hole of the link, and then pick the axis A_4 of the pin at eccentric For Translation constraint, select the back face of the link, and then pick the front large face of the eccentric 44...

Tài liệu Báo cáo " Mechanism of forming the Dien Bien basin " pdf

... granitoids Along the Dien Bien - Lai Chau fault zone, there are some small basins The Dien Bien - Lai Chau basin, located in the south, is the largest one Within Dien Bien basin, there is some olivine ... characteristics of the Dien Bien basin, the process of formation of the Dien Bien basin is figured out as follows: In early Pliocene, as a consequence of the collision Indian plate to Eurasia plate, the ... one is composed of pebble, granule mixed with silt and clay Mechanism of forming the Dien Bien basin Based on analyzing the activities of the Dien Bien - Lai Chau fault zone and the geological...

Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx

... robust synthesis of pantothenate from low amounts of pantoate [9] Here, we report the results of the structural studies of the pantoate- bound form of the N-terminal domain of E coli PS (nPS) The structure ... [13] Details of the structural basis for the biochemically observed inhibition of plant PS by pantoate, as well as of the alleviation of this inhibition by another substrate of the enzyme, ATP, ... back to the position of the Fig Superimposition of the A-chain of nPS (green), the B-chain of nPS (cyan), and the substrate-free protein (1IHO.pdb; magenta) The carbon and oxygen atoms of pantoate...

Tài liệu Báo cáo khoa học: Modeling of tRNA-assisted mechanism of Arg activation based on a structure of Arg-tRNA synthetase, tRNA, and an ATP analog (ANP) ppt

... crystals of the ternary complex of S cerevisiae ArgRS, Arg and tRNAArgICG grow contains tRNA, l -Arg, ATP and Mg2+ at sufficient concentrations for the aminoacylation reaction, and (NH4)2SO4 and ... no means in a conformation that is fit to activate The fact that kcat and Km for tRNAArg in the aminoacylation reaction not change in the Asn106 fi Ala, Gln111 fi Ala and Phe109 fi Ala mutants of S ... codon usages for AGA and AGG codons are 19 and 34, respectively, and they amount to 98% among six codons for Arg The D-loops of isoacceptor tRNAUCU and tRNACCU contain nine (AGCAGGAC20aA) and...

Tài liệu Báo cáo khoa học: Hypoxic resistance to articular chondrocyte apoptosis – a possible mechanism of maintaining homeostasis of normal articular cartilage pdf

... examination of the articular cartilage after experimentally induced OA Articular cartilage of the femoral condyles from the experimental joints was examined to assess any macroscopic damage caused ... Evaluation of articular cartilage after experimentally induced osteoarthritis (A) Photomicrographs of articular cartilage (B) The evaluation of osteoarthritis in the right and left joints of dogs ... intercondylar space lateral to the straight patellar ligament Chondrocyte isolation Normal canine knee cartilage was obtained from the knee joints of beagles (2-year-old females) The cartilage surfaces...

Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx

... obtained by subtracting the control titration data in the absence of the enzymes from the titration data in the presence of the enzymes The results of the equilibrium binding studies showed that, ... by kinetics in the early part of the reaction course and by thermodynamics in the late part of the reaction course, and therefore the epimerization product increases early and decreases as the ... addition of the enzyme, and the middle three spectra were obtained 18, 35, and 70 after the addition of the enzyme The top spectrum is that of DHMP for comparison Only the NMR signals of the 2¢ and 3¢...

Tài liệu Báo cáo khoa học: Catalytic mechanism of SGAP, a double-zinc aminopeptidase from Streptomyces griseus pdf

... the catalytic mutant Conclusions The results of the present study substantiate several catalytic features that characterize the mechanism of action of SGAP Taking together with the structural data ... Database Nucleic Acids Res 34, D270–D272 Available at http://merops.sanger.ac.uk 14 Holz RC (2002) The aminopeptidase from Aeromonas proteolytica: structure and mechanism of co -catalytic metal ... involves an acidic residue acting as a general acid ⁄ general base and a di-nuclear metal center participating in binding the substrate and stabilizing the transition state [2,14,35–37] The main data...

Tài liệu Báo cáo khoa học: Antifungal effects and mechanism of action of viscotoxin A3 docx

... [3,16] To further explore the interaction of the most cytotoxic viscotoxin isoform, VtA3, with biological membranes and obtain information on its mechanism of action, we have applied different ... 79 Analysis of the fungicidal effect of viscotoxin A3 M Giudici et al excitation and emission wavelengths were 360 ⁄ 425 and 362 ⁄ 450 nm for observation of the ﬂuorescence of DPH and TMA-DPH, ... Analysis of the fungicidal effect of viscotoxin A3 Fig Confocal laser scanning images of Texas Red-labelled VtA3 bound to (A, B, C) F solani spores and (D) giant liposomes composed of egg PtdCho...

Tài liệu Báo cáo khoa học: Manipulation of prenyl chain length determination mechanism of cis-prenyltransferases ppt

... in cis-prenyltransferases for determination of the ultimate product chain length, and proposed a model for chain- length determination Further elucidation and manipulation of chain- length determination ... compilation ª 2006 FEBS 651 Product chain length of cis-prenyltransferases Y Kharel et al i.e natural rubber Several lines of evidence suggest that product chain lengths of cis-prenyltransferases can be ... contrast, mechanisms for determination of the ultimate product chain length of cis-prenyltransferases have not yet been determined although mutational analysis of highly conserved residues and determination...

Tài liệu Báo cáo khoa học: On the mechanism of action of the antifungal agent propionate Propionyl-CoA inhibits glucose metabolism in Aspergillus nidulans doc

... accumulation of propionyl-CoA (Fig 1) Addition of propionate to the glucose medium led to an increase of the propionyl-CoA level in the wild-type strain The methylcitrate synthase deletion strain showed ... formation of propionyl-CoA This observation readily explains the decreased propionyl-CoA levels found in cells grown on glucose/ acetate /propionate as compared to glucose /propionate Inhibition of ... enzymes of glucose metabolism The high levels of propionyl-CoA in the mutant strain raised the question of whether the thioester might inhibit CoA-dependent enzymes in glucose metabolism Initial...

Tài liệu Báo cáo khoa học: nsights into the reaction mechanism of glycosyl hydrolase family 49 Site-directed mutagenesis and substrate preference of isopullulanase doc

... 20–564), and the model is composed of residues 25–540 The overall structure of the model of IPU and the mutated residues in this study are shown in Fig To elucidate the mechanism of the substrate ... in the negatively numbered subsites, and the substrate preference of the negatively numbered subsites of IPU also resembles that of GH family 49 dextranases Materials and methods Host strains and ... of Glc +2 of the a-(1ﬁ4)-linked glucose units of pullulan (Fig 4A) IPU is an anomer-inverting enzyme Comparison of the active sites of the model of IPU and Dex49A The active site structures of...

Tài liệu Báo cáo khoa học: The mechanism of a-proton isotope exchange in amino acids catalysed by tyrosine phenol-lyase doc

... anchoring of a-carboxylate and a -amino group in the external aldimine deﬁnes automatically the positions of the a-proton and the side chain of any bound amino acid The lability of the a-proton ... from the amino group to the a-carbon atom of the quinonoid intermediate should go faster than the isotopic exchange of the proton in the active site For the reaction of L-methionine, where no internal ... for the reaction with L-phenylalanine (3.1 s)1) The overall process of isotopic exchange in amino acids may be described by the kinetic Scheme The attainable degree of the exchange is determined...

Tài liệu Báo cáo khoa học: Unraveling the catalytic mechanism of lactoperoxidase and myeloperoxidase A reﬂection on some controversial features Elena Ghibaudi and Enzo Laurenti docx

... questions concerning the catalytic behaviour of LPO and MPO A critical examination of these data resulted in a model that offer a solution to some of these opened questions It re-evaluates the ... minutes at RT Conclusions A summary of LPO and MPO catalytic features is found in Scheme This model assumes that the enzymes share the same behaviour: a reasonable assumption, in the light of the ... catalytic mechanism of MPO and LPO A brief survey of the absorption features of MPO, LPO and their intermediates The absorption spectrum of MPO is characterized by an intense Soret peak at kmax...

Xem thêm