thermal strain and magnetization studies of the ferromagnetic heusler shape memory alloys ni2mng

Tài liệu Báo cáo khoa học: Structural and functional studies of the human phosphoribosyltransferase domain containing protein 1 docx

Ngày tải lên : 15/02/2014, 01:20

... conclusion can be made based on the lack of thermal shifts when only the bases were added, whereas the addition of PRPP led to a signiﬁcant thermal shift Kinetic studies of PRTFDC1 showed that this ... Lys173 interacts with both O6 and N7 (Fig 1C) The 2¢OH of the ribose is hydrogen bonded to the main chain and the side chain of Asp142 (Fig 1C) Both hydroxyl groups of the ribose are involved in ... Asp142, 2¢ and 3¢OH of the ribose and three water molecules with ˚ coordination distances of approximately 2.4 A The phosphate of the GMP is hydrogen bonded to main chain and side chain atoms of amino...

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Tài liệu Báo cáo Y học: Molecular modeling of the dimeric structure of human lipoprotein lipase and functional studies of the carboxyl-terminal domain docx

Ngày tải lên : 21/02/2014, 15:20

... illustrates the overall saddle shape of the dimeric structure and the key heparin-binding residues in the N-terminal domain held coordinately by the two subunits on the top of the hollow (Fig 1A) The ... that the work of Lookene et al [27] has already established Of two possible dimeric structures of LPL, the head-tohead and the head-to-tail models, the studies of the chimeric proteins of hepatic ... not the lipase activity and that the normal afﬁnity of these mutants for heparin (Fig 3, Table 1) implies conservation of the overall structure of the WW and WWW mutants – indicate that these...

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Báo cáo khoa học: Antimicrobial and conformational studies of the active and inactive analogues of the protegrin-1 peptide docx

Ngày tải lên : 22/03/2014, 21:20

... at the two spatial tips of the molecule, at the N-terminus with Arg1 and in the turn in the presence of Arg7 and Arg9 (see Figs and 4) The shorter analogue, BM-2, was the most ﬂexible of all the ... of the peptide Two hydrophilic regions were located at the two spatial tips of the molecule, at both termini with Arg1 and Arg17, and in the turn in the presence of Arg8 and Arg10 (see Figs and ... on the membrane This may also account for differences in the haemolytic activity of the peptides A better understanding of the mode of action of these peptides is crucial for the development of...

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Báo cáo Y học: Engineering and mechanistic studies of the Arabidopsis FAE1 b-ketoacyl-CoA synthase, FAE1 KCS pot

Ngày tải lên : 24/03/2014, 03:21

... substitution of basic histidine for the asparagine resulted in inactive enzyme Taken together, the analysis of the decarboxylation activity and characterization of the mutants of the putative ... mutational studies of chalcone synthase have demonstrated that decarboxylation of malonyl-CoA is independent of acylation of the active site cysteine [24] In these studies, substitution of the active-site ... resulting in the formation of the product The FAE1 KCS mechanism has not been characterized and is known to use malonyl-CoA instead of malonyl-ACP Nonetheless, the mechanism of the fatty acid...

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Báo cáo toán học: "Antioxidant, antimicrobial, and theoretical studies of the thiosemicarbazone derivative Schiff base 2-(2-imino-1-methylimidazolidin-4-ylidene)hydrazinecarbothioamide (IMHC)" potx

Ngày tải lên : 20/06/2014, 20:20

... Tautomerization of thione Scheme The synthesis of IMHC Figure Optimized 3D structure of the IMHC Figure The effect of test organism toward synthesized compound Figure The effect of tested fungi toward synthesized ... across the C=N bond The existence of the thione form predominantly in the solid state is demonstrated by the presence of two absorption bands at 1273.7 and 3421 cm−1 belonging to the C=S and NH ... FT-IR spectroscopy The FT-IR spectra provide valuable information regarding the nature of functional group of IMHC The appearance of a broad strong band in the IR spectra of IMHC in 3421 cm–1...

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Báo cáo khoa học: Structural studies of the capsular polysaccharide and lipopolysaccharide O-antigen of Aeromonas salmonicida strain 80204-1 produced under in vitro and in vivo growth conditions docx

Ngày tải lên : 23/03/2014, 13:20

... comparison of its MS with that of the reference compound The absolute configuration of glycoses was established by capillary GLC of their acetylated (-)-2-butyl glycosides, according to the method of ... stainless steel needle (27 g) was butted against the low dead volume tee and enabled the delivery of the sheath solution to the end of the capillary column The separations were obtained on 90-cm long ... amount of 2-amino-2deoxy-D-galactose was identified in the hydrolysis products of both carboxyl-reduced CPS and LPS [19], confirming the presence of GalNAcA in the native CPS and LPS This was further...

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Structural, electrical and optical studies on the effects of rapid thermal processing on silicon germanium carbon films

Ngày tải lên : 17/09/2015, 17:18

... reduction of the in-plane carrier effective mass and a reduction of intervalley scattering The presence of strain resulted in the lifting of the degeneracy of the bands of interest (i.e the valence band ... Si1-xGex alloys 27 Fig 2.8 Plot of the E1 and E1+∆1 band gaps of relaxed Si1−xGex/Si and the 29 viii estimated band gaps of strained layer using Eq (2.11)-(2.15) Fig 2.9 Valence-band offsets for ... strain The band offset is shown and it is known as type I straddling alignment (Fig.2.3 (a)) The entire band offset occurs in the valence band while the band offset in the conduction band is small...

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Báo cáo y học: "Characterization of N200 and P300: Selected Studies of the Event-Related Potential Salil H. Patel 1 and Pierre N. Azzam 2"

Ngày tải lên : 02/11/2012, 11:08

... interspersed by a stimulus which deviated from the standard in the intensity of the first component and the glide direction of the second constituent The number of distinct MMN components elicited by ... et al The relationship of age, gender, handedness, and sidedness to the size of the corpus callosum Academic Radiology 1994; 1:243-248 69 Driesen NR, Raz N The influence of sex, age, and handedness ... P300 and the N2b Data indicate that the P300 is involved not only in processes of working memory, but may interact with the N2b in the control of motor response to external cues Through the use of...

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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

Ngày tải lên : 16/02/2014, 09:20

... 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 and substrate-binding interactions of ... the A-chain and B-chain of nPS, and in the case of His37, the v1 torsion angle changes from 63.34° to )67.80° and )52.11° for the A-chain and B-chain of nPS, respectively The imidazole ring of ... 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...

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Tài liệu Báo cáo khoa học: Helix mobility and recognition function of the rat thyroid transcription factor 1 homeodomain – hints from 15N-NMR relaxation studies pdf

Ngày tải lên : 18/02/2014, 16:20

... residues and hence does not conﬂict with the global interpretation of the data With the exclusion of the N-terminal octapeptidyl and C-terminal nonapeptidyl fragments of Glu17, Leu34 and Lys46, the ... Fig The localization of the experimental points in Fig along the correlation line is directly related to the distribution of the energy between the overall tumbling and the internal mobility, and ... mobility, and is indicative of the degree of internal restraint of each 15N–1H vector motion In Fig 4, most of the points cluster in the same region The dashed curve, called the theoretical FEBS Journal...

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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

Ngày tải lên : 19/02/2014, 00:20

... by the cleavage of the bond between 1¢ and 2¢ carbons of the substrate The epimerization product is generated by the re-formation of the C–C bond after the reorientation of GA, which exposes 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¢ ... to the sizes of the Fig Stopped-ﬂow analysis of the binding of HPO to SaDHNA The concentration of SaDHNA was lM, and the concentrations of HPO were 10, 20, 30, and 40 lM for traces 1, 2, 3, and...

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Tài liệu Euphorion Being Studies of the Antique and the Mediaeval in the Renaissance - Vol. II pot

Ngày tải lên : 21/02/2014, 21:20

... the sunshine of the evening, the noise of the streets, the looks of the crowd, the great minster rising half-finished in the midst of the town by the Rhine, the cries and noise and chipping of ... victims; there is, even in this psychological English drama of the Elizabethans, fate in the shape of Iago, in the shape of the Ghost, in the shape of the brothers of Webster's duchess; fate in the shape ... piles of cabbage and cauli-flowers, the rows of tin ware and copper saucepans, the heaps of maccaroni and pastes, of spices and drugs; the garlands of onions and red peppers and piles of apples; the...

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Báo cáo khoa học: Fluorescence studies of the replication initiator protein RepA in complex with operator and iteron sequences and free in solution pdf

Ngày tải lên : 07/03/2014, 04:20

... global and local A C 5398 dynamics of the AEDANS and W94 probes in free and DNA-bound RepA The decay of the total uorescence intensity was recorded, as well as the decays of its vertically and horizontally ... Fluorescence studies of RepA R E M Diederix et al (kex = 295 nm) of free and bound unlabeled C160RepA and wild-type RepA, with the protein concentration constant The ratio of the apparent FW94 of bound and ... tting parameters The adequacy of the analyses was determined from the reduced weighted sum of squares of residuals, and visual inspection of the distribution of weighted residuals The general expression...

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Báo cáo khoa học: Insertion of the plant photosystem I subunit G into the thylakoid membrane In vitro and in vivo studies of wild-type and tagged versions of the protein doc

Ngày tải lên : 07/03/2014, 21:20

... topology where the loop is in the thylakoid lumen, and the N -and C-termini face the stroma, opposite to that of PSI-K On the other hand, the second scenario implies a stromal loop, like that of PSI-K, ... of their crystal structure of Pisum sativum PSI, in which the loop of PSI-G is suggested to face the stroma The amount of PSI-G in the transformed knock-out line does not reach the level of the ... integration of the subunit into the PSI complex A protein band smaller that the tagged versions of PSI-G is present in the lanes with the loop-tagged PSI, but is also seen faintly in the lanes with the...

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Báo cáo khoa học: X-ray crystallography, CD and kinetic studies revealed the essence of the abnormal behaviors of the cytochrome b5 Phe35ﬁTyr mutant pdf

Ngày tải lên : 08/03/2014, 10:20

... [35,36,40,41] The apocyt b5 and apo-Mb have no absorption in the Soret band region because of the lack of the heme prosthetic group For the holo-cyt b5 and holo-Mb, the CD spectra of the Soret band are ... displays the conserved conformation in the structures of the Phe35fiTyr mutant and of the wild-type protein as well as other mutants However, the conformation of the latter is flexible CD spectra of thermal ... b5 and metMb The heme transfer reaction consists of two steps: the first step is the release of the heme from cyt b5, and the second step is the binding of apo-Mb with the heme b [30] Because the...

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báo cáo hóa học: " Correction: Experimental and theoretical studies of nanofluid thermal conductivity enhancement: a review" potx

Ngày tải lên : 21/06/2014, 02:20

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from dust to stars studies of the formation and early evolution of stars

Ngày tải lên : 03/07/2014, 21:09

... exemplary missions, SOFIA as the successor of the airborne Kuiper Observatory of the 1980s and early 1990s, JWST as the successor of Hubble, and the space probes Herschel and GAIA SOFIA and Herschel ... the Formation of Stars 21 where M and and L are the mass and luminosity of the Sun and M and L the same for the star [858] Clearly, this development put an end to the perception that the Draper ... must be scaled by the ages of the oldest known sedimentary rocks and the main source of the star’s energy must be subatomic The formulation of thermonuclear fusion of hydrogen as the main energy...

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$Báo cáo khoa học: "Morphometric and histopathological studies on the effects of some chromatographic fractions of Phyllanthus amarus and Euphorbia hirta on the male reproductive organs of rats" potx$

Báo cáo khoa học: "Morphometric and histopathological studies on the effects of some chromatographic fractions of Phyllanthus amarus and Euphorbia hirta on the male reproductive organs of rats" potx

Ngày tải lên : 07/08/2014, 17:22

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Báo cáo khoa học: "Comparative studies of the water relations and the hydraulic characteristics in Fraxinus excelsior, Acer pseudoplatanus and A. opalus trees under soil water contrasted conditions Damien Lemoinea, Jean-Paul Peltierb and Gérard" pdf

Ngày tải lên : 08/08/2014, 14:21

... through the leaf with a pressure difference of 0.1 MPa The water flow was determined by measuring the changes of the leaf weight when the flow became constant The specific conductibility of the leaf ... selected, one in the valley of the Drac river, the other in a mountain stand in the Alps The experiments were conducted on leaf petioles (full symbols) and branches (empty symbols) These data are ... critical points, ψcav and ψ100 which indicated the water potential values that induced the start of the embolism, and 100% of the maximal hydraulic conductivity, respectively ψcav and ψ100 were measured...

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