the xmin xmax ymin and ymax properties of a boundary object refer to the edges of a movie clip whose boundaries have been retrieved
Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... (rad), λ the wavelength of the X-ray, θ the angle between the incident and diffracted beams (degree) and d the particle size of the sample (nm) (in Table 1) 3.2 FT-IR spectroscopy The band wavenumber ... of materials, the second term can take part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss Thus, the increasing of Co-concentration led to the ... octahedral location That led to increasing of total magnetization of a molecule Ni1-xCoxFe2O4 and hence there is increasing of MS (table 3) Another side, it is known that the magnetizing process of...
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Tài liệu Báo cáo khoa học: The antibacterial and antifungal properties of trappin-2 (pre-elafin) do not depend on its protease inhibitory function pptx
... immunomodulatory, antibacterial, antifungal and antiviral functions [1] SLPI and elafin ⁄ trappin-2 both have antimicrobial activity against Gram-negative and Gram-positive bacteria SLPI is active against ... well-characterized fungicidal activity against Aspergillus fumigatus and Candida albicans, in addition to its antibacterial properties [13] This has been attributed to its N-terminal domain and ... trappin-2 towards C albicans was time-dependent, reaching 92% after h and 98% after 18 h (Fig 5) Effect of NaCl and heparin on the antibacterial and antifungal activities of trappin-2 The antimicrobial...
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Tài liệu Báo cáo khoa học: Tryptophan tryptophylquinone cofactor biogenesis in the aromatic amine dehydrogenase of Alcaligenes faecalis Cofactor assembly and catalytic properties of recombinant enzyme expressed in Paracoccus denitrificans pptx
... proteins Arrows indicate the direction of transcription genomic DNA using forward (5¢-GGAGGGATCCCATATG AAGTCTAAATTTAAATTAACG-3¢) and reverse (5¢-GC primers GTGCTCGAGCGATCCATGGAGCCGTA-3¢) that incorporated ... (orf-1, aauBEDA, orf-2, orf-3, orf-4 and hemE) all putatively transcribed in the same direction [7] The second and fifth genes (aauA and aauB) encode the large and small subunits of AADH, respectively ... TTQ-dependent AADH were obtained by fitting the Eyring equation to the data and are summarized in Table Analysis of the temperature dependence of reaction rates with protiated and deuterated benzylamine...
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Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx
... consisting of amino acids 7–22 of parabutoporin (an a- helical part having the four amino acids LAKK identical to mastoparan) and of the first 28 amino acids of the opistoporins were synthesized and were ... bacteria and their activity was compared with the activity of melittin and mastoparan (Table 1) Parabutoporin inhibits the growth of all Gram-negative bacteria tested except S marcescens at a ... explain the higher antibacterial activity on Gram-negative bacteria for parabutoporin compared to opistoporin Also with magainin analogs, an increase in antibacterial activity against Gram-negative...
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Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc
... similar to each other In particular, the parameters for VIHN complexes not deviate systematically from those of DAHam and DAHKam This means that the side chain carboxylate of Asp1 does not have a ... of Cu(II) and Ni(II) transport by albumins On the other hand, the direct thermodynamic and kinetic characterization of Ni(II) binding at site I in HSA and BSA was obtained These data can be very ... DAHKam is now much lower from those of albumins, and the reaction of DAHam is much faster The reaction rates for albumins and DAHam are higher from the value for pure acid GGH dissociation The...
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Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx
... typical peaks of Si and Pt and the result from the quantitative estimation of peak areas gives 0,98% weight content of platinum This means that most of platinum was reduced and maintained on SBA-15 ... Synthesis and characterization of Bimetallic Pt-Au clusterderived catalyst Catalysis Today, 125, 269-274, 2006 [5] A. Corma and Hermenegilldo Garcia Nanoparticles and catalysis Wiley-VCH Verlag ... for a day The solution was aged for another day at room temperature After filtration, washing with distilled water and drying at 100oC, the sample was calcined at 550°C in ambient air for 5h and...
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Báo cáo khoa học: Ibuprofen binding to secondary sites allosterically modulates the spectroscopic and catalytic properties of human serum heme–albumin doc
... occurring at K2 < [ibuprofen] < K3, and at K2 < K3 < [ibuprofen], respectively, and kỵ is the koff value obtained in the off absence of ibuprofen Data analysis Kinetic and thermodynamic data were analyzed ... that the allosteric modulation of tHSAheme and HSAheme reactivity by ibuprofen depends mainly on drug binding to the secondary sites FA2 and FA6 rather than drug association with the FA3 FA4 ... affect the functional and structural properties of domains I and II [i.e of the 1382 region of (t)HSA] l The values of the Hill coefcients (n1, n2, and n3) for ibuprofen binding to tHSAheme and...
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Báo cáo khoa học: Spectroscopic and kinetic properties of the horseradish peroxidase mutant T171S Evidence for selective effects on the reduced state of the enzyme potx
... contrast to the class I and II peroxidases that have two Fe-Im bands resulting from the tautomerism of the imidazole Nd proton with respect to the donor and acceptor atoms of the proximal His and ... protein Mutations of distal residues can give rise to a substantial reduction of the catalytic activity if they have a direct impact on the disposition of the catalytically important His42 and Arg38 ... binding of His42 to the haem iron, i.e a major collapse or rearrangement of the distal cavity has taken place Hence, the overall conclusion that may be drawn is that modication of the proximal cavity...
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Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
... B and P atoms are at the smallest possible distance (2.00 A, top ˚ panel) or at the largest possible distance (10.60 A, bottom panel) for this nanocrystal A Gaussian broadening of 0.1 eV has been ... position of Fig 11), approaching asymptotically the value of the band-gap of the undoped Si-nw This is another indication of how doping can modify the electronic and optical properties of the Si nanostructures ... absorption, the SS, can be lead back to the relaxation of the Si-nc after the excitation process The new important features that appear in the emission many-body spectra are related to the presence of...
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![Structures and electronic properties of si nanowires grown along the [1 1 0] direction role of surface reconstruction](https://media.store123doc.com/images/document/14/rc/td/small_tdu1394959072.jpg)
Structures and electronic properties of si nanowires grown along the [1 1 0] direction role of surface reconstruction
... surface energy to the distance from the centre of crystal to the surface is constant Assuming that nanowire facets during the growth consist of clean surface, we have obtained that the ratio of the ... surface (insets of Fig 4), we find that the wave functions of the doubly-degenerate HO states and four LU states correspond to the p-like bands of edge atoms and the T Akiyama et al / Surface Science ... difference in atomic configuration causes the suppression of lattice relaxation for edge atoms Indeed, the p*-like bands for the edge atoms are located $0.2 eV above the p-like bands for the edge atoms,...
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Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx
... mutation also introduces changes in the surface charge of Tm All the mutant amino acids are involved in interchain and intrachain interactions and therefore are important for the stabilization of the ... in the assay Mutant Tms were compared to the wild type Tm in their ability to regulate the actomyosin S1 Mg2+ ATPase activity ATPase activity was first assayed by varying the concentration of ... parameters for the thermal-induced unfolding of wild type (WT) and mutant Tms The values are the mean ± standard deviation of at least three experiments Tm1 is the midpoint of the thermal transition...
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Báo cáo "Effects of Zn content on the magnetic and magnetocaloric properties of Ni-Zn ferrites " pdf
... saturation magnetization MSt calculated with assuming that exchange interaction λab is strongest therefore magnetic moments of A and B sublattices are antiparallel to each other and MSt increases ... showed that at this field the studied samples are nearly in saturation and saturation magnetization of samples is listed in Tab From the shape of measured M(T) curves, we should approximately suppose ... perform at high sintering temperature and eliminates the porosity of ferrite The magnetization curves of all samples have been measured at 110 K in maximal applied field of 13.5 kOe The results...
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Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf
... H-bonding to the ligated cyanide The van der Waals surfaces for the Tyr32(B10) Og and the 10 tilted cyanide ligand are shown in Fig and establish that the Tyr Og and cyanide N are in van der Waals ... magnetic axes, the distance to iron via paramagnetic relaxation RFe, distance to Tyr66(E7) CdH(via NOESY cross peak intensity) and /O-H-N angle as a function of the CfO-H to aromatic plane dihedral angle, ... nitrogen, because a zero tilt angle would lead to an % 0.20.3 A overlap of the two van der Waals surfaces A moderate -to- strong H-bond [50] can occur when the donor/acceptor heteroatoms are separated...
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Đề tài " Existence and minimizing properties of retrograde orbits to the three-body problem with various choices of masses " potx
... variational approach with a mixture of topological and symmetry constraints The advantage of our approach, as Figure indicates, is that it applies to a wide range of masses In sharp contrast with the ... none of the new solutions constructed by variational methods can totally discard this constraint A question for the variational approach, especially on planar problems, naturally arises: Are minimizing ... Alain Chenciner, and the referees for valuable comments Many thanks to Don Wang and Maciej Wojtkowski for enlightening conversations and their hospitality during my visit to the University of Arizona...
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Báo cáo khoa học: Structural aspects and biological properties of the cathelicidin PMAP-36 pot
... (Fig 6) In fact, comparing permeabilization kinetics and SEM results, it would appear that the monomeric and dimeric forms have a similar capacity to affect a primary damage of the membrane, possibly ... with their axes parallel to its surface [14], in what is known as the ‘carpet’ mechanism, and can then variously affect membrane permeabilization or damage by the formation of ‘toroidal’ or ‘wormhole’ ... concentrations (Fig 5) Dimerization appears to somewhat slow permeabilization of the outer, but not the cytoplasmic, membrane The hydrolysis of ONPG proceeds at a rate comparable to that of PADAC,...
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EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS
... pengkajian antioxidan yang digunakan ia/ah DPPH dan p-karoten yang dinyatakan sebagai ECso pada FRAP yang dinyatakan sebagai Fe2+ pada mmol/g; dan ABTS yang dinyatakan sebagai ntlai TEAC dalam j.Jmol/j.Jg ... seperti sayur Ada/ah diketahui bahawa tumbuhan ini mengandungi banyak flavonoid dan asid feno/ik fa juga merupakan satu sumber aktiviti antioxidan yang baik Kesan cara-cara pengeringan jents pe/arut ... etanol pengekstraktan pada 25 jam dan ntsbah sampe/ kepada pe/arut pada 1:19.98 Da/am keadaan sebeginl ni/ai anggaran l/ECso bagi DPPH ia/ah 1.997 mg/m/ Anggaran ni/ai Fe2+ bagi FRAP ia/ah 3214.51...
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Báo cáo toán học: " The structural and optical properties of GaSb/InGaAs type- quantum dots grown on InP (100) substrate" ppt
... Figure AFM and STEM images of GaSb/In0.53Ga0.47As QDs and histogram of the height of GaSb/In0.53Ga0.47As QDs (a) The AFM image of GaSb/In0.53Ga0.47As QDs, (b) histogram of the height of GaSb/In0.53Ga0.47As ... such as GaSb/GaAs [8-10], InAlAs/InP [11], InP/InGaP [12, 13], InP/GaAs [14], GaAsSb/GaAs [15], and InAs/GaSb [16, 17] The reason is that they offer comparatively large bandgap energies and provide ... in Figure 1a, the statistical data indicate that the density of the QDs is approximately × 109 cm−2 and that the shape of GaSb QDs is rectangular-shaped which is the same with GaSb/GaAs QDs [9]...
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Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc
... increased mobility The EDS analysis reveals the presence of Ag, Zn, and O elements Quantitative analysis of EDS reveals that Ag concentrations are proportional to those of the targets, and measured ... A exp(−Ea /kT) (1) where Ea is the activation energy of PL emission for thermal quenching, I0 and A are scaling factors, and k is Boltzmann’s constant The activation energies of the A0 X formation ... low-temperature PL to find the exciton bound to natural acceptor in the all SZO NWs It indicates that the Ag dopant can act as a desirable acceptor in ZnO NWs The low temperature PL studies reveal that...
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Báo cáo hóa học: " Effect of growth temperature on the morphology and phonon properties of InAs nanowires on Si substrates" doc
... in the system, the InAs material is preferred to grow vertically and form NWs The few large InAs islands and non-vertical InAs NWs observed in sample A, B, and C can be explained by the reoxidation ... can be attributed to the LO and TO phonon mode of InAs NWs Except the downshift of their phonon frequency relative to InAs bulk material, the LO and TO phonon peaks of InAs NWs also show a larger ... 500 Raman shift (cm-1) (cm-1) Figure Raman spectra of InAs nanowires and temperature-dependent Raman shift (a) Micro-Raman spectra of InAs nanowires with an average diameter of 42 nm The black...
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Báo cáo hóa học: " Effect of the Nd content on the structural and photoluminescence properties of silicon-rich silicon dioxide thin film" pdf
... additional phases In the 27-32° range, it shows various sharp peaks that are located above a broad band Figure Evolutions of the positions of the LO3 and TO3 peaks, and the LO3 /TO3 intensity ratio, as ... assigned to Si-H bonds, disappears after annealing because of the hydrogen desorption Figure 2a shows the evolution of the positions of the LO3 and TO3 vibration modes, and the LO3 /TO3 intensity ratio, ... chips The Nd content was monitored by the surface ratio between the Nd2O3 chips and the SiO2 target The sputtering gas was a mixture of argon and hydrogen; the latter enables us to control the...
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