the spatial, spectral and polarization properties of solar flare x-ray sources

Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx

... in the saturation magnetization of Ni- ferrite which may be due to the substitution of Ni2+ ions by Co2+ on the octahedral sties. Therefore, the increasing Co2+ concentration (x) on the ... it was the increasing of HC. The increasing of HC proved that the soft magnetic property of ferrite NiFe2O4 changed to the hard magnetic property of ferrite CoFe2O4. Ni-Co ferrite ... 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 increasing of anisotropy property of ferrites...

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

... compilation ê 2008 FEBS 2019 The antibacterial and antifungal properties of trappin-2 (pre-elaﬁn) do not depend on its protease inhibitory function Ke´vin Baranger, Marie-Louise Zani, Jacques Chandenier, ... h of incubation witheither molecule than at the start of the incubation. Antifungal activities of trappin-2 and trappin-2 A62D⁄M63L towards A. fumigatus and C. albicansBoth trappin-2 and trappin-2 ... independent of its antiprotease function. Although we have not deter-mined its exact mechanism of action, we have shownthat the antibacterial ⁄ fungicidal properties of trappin-2 involve the...

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

... et al. Cofactor biogenesis in TTQ-dependent AADHFEBS Journal 272 (2005) 58945909 ê 2005 FEBS 5895 Tryptophan tryptophylquinone cofactor biogenesis in the aromatic amine dehydrogenase of Alcaligenes ... Alcaligenes faecalis Cofactor assembly and catalytic properties of recombinant enzyme expressed in Paracoccus denitriﬁcans Parvinder Hothi, Khalid Abu Khadra, Jonathan P. Combe, David Leys and Nigel ... infer, therefore, that both enzymes areidentical in their functional properties and that the TTQ cofactor is assembled correctly in the recombin-ant enzyme. Discussion The aromatic amine utilization...

Tài liệu Báo cáo khoa học: The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data and redox properties ppt

... Biochem. 270) 3905 The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data ... coredescription and the spectroscopic and redox properties of each identiﬁed heme from the NrfHA complex.ConclusionsD. desulfuricans ATCC 27774 ccNiR is isolated as a mix-ture of high molecular ... this communication, we report for the ﬁrst time the isolation and biochemical characterization of D. desulfuri-cans ATCC 27774 ccNiR subunits. The stoichiometrybetween NrfH and NrfA is discussed....

Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx

... opistoporin 1 and pandinin 1 are the hydrophobicity (pandinin 1–0.1214,opistoporin 1–0.1652) and the hydrophobic moment, whichis nearly double for pandinin 1 (pandinin 1 0.1071,opistoporin 1 0.055). ... peptides in the venom of scorpions belonging to the same family, independent of the continent and region where they live. In this study, the biologicalactivity of parabutoporin and opistoporin 1 is ... FEBS 2002 Cytotoxic peptides in scorpion venom (Eur. J. Biochem. 269) 4809 Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa Leentje...

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

... 2002 Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin Magdalena Sokolowska1, Artur Krezel1, Marcin Dyba1, ... comparative study of thermodynamic and kinetic aspects of Cu(II) and Ni(II) binding at the N-terminal b inding site of human and bovine serum albumins (HSA and BSA,respectively) and short peptide analogues ... modelling of C u(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. Thesedata...

Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx

... image of the products of D-glucose oxidation on PS-1 catalyst On the other hand, the reaction on Pt/SBA-15 catalysts with pH control not only showed a high conversion, but also high D-gluconic ... From the results above, we found that both HNO3 and Pt/SBA-15 present a good conversion in the oxidation reaction of glucose. The conversion of the reaction reached 87.67% when using HNO3 ... alkaline solution continuously to maintain pH value at 9 during the oxidation process. In table 2, we also see that increasing the Pt contents led to decrease in catalytic activity. The average...

Báo cáo khoa học: Ibuprofen binding to secondary sites allosterically modulates the spectroscopic and catalytic properties of human serum heme–albumin doc

... Ibuprofen binding to secondary sites allosterically modulates the spectroscopic and catalytic properties of human serum heme–albumin Alessandra di Masi1, Francesca Gullotta2,3, Alessandro ... indicates that the redox and the (un)ligated state of the heme Fe atom allosterically affects ibuprofen binding to (t) HSA–heme.lValues of K2 and K3for ibuprofen binding to tHSA–heme-Fe ... lontopịflontopị ibuprofen = K3ỵ ibuprofen g 4ịwhere lon(top)represents the asymptotic value of lonunderconditions where [ibuprofen] = 0 (i.e. lon(top)= lon). Ibuprofen binding to...

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

... the ferrous state of the mutant may contribute to anincrease in the disorder and hence entropy of the reduced state of the mutant compared to that of the wild-type protein.In contrast to the ... Selective effects on the reduced state of HRPCFEBS Journal 272 (2005) 55145521 ê 2005 FEBS 5515 Spectroscopic and kinetic properties of the horseradish peroxidase mutant T171S Evidence for selective ... selective effects that are mediatedexclusively on the reduced state of the enzyme. Wehypothesize that this residue imposes a degree of rigid-ity to the structure of the reduced state of class IIIperoxidases.Results...

Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures

... 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. 6. Conclusions The structural, ... 941 Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures F. Ioria, S. Ossicinib,ÃaCNR-INFM-S3 and Dipartimento ... controlling the doping a signiﬁcantmodiﬁcation of both the absorption and the emission of light of silicon nanocrystals can be achieved.We have considered impur ities, boron and phosphorous (codoping),...

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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

... move away from the heme and the B-helix moves closer to the heme in the WTmetHbthanintherWTmetHbH2O crystal structure, with the result that the ligated water is lost in the latter complex [16,17].Prior ... position E7 as the source of the H- bond to ligand on the basis of apartial sequence, which had indicated a Tyr on the distalE-helix. The similarity in the 1HNMRspectraofthethree globin complexes ... the tilt of the major magnetic axis, z, away from the heme normal (zÂ axis),a is the angle between the projection of the tilt of the z axis on the xÂ,yÂ plane (dened direction of tilt of z and...

Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc

... Access Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowiresKyoungwon Kim1,2, Pulak Chandra Debnath1,3, Deuk-Hee Lee1,2, Sangsig Kim2 and Sang ... p-type conductive ZnO [19], and the realization of p-type ZnO is rather difficult because of its as ymmetric dopinglimitations [20]. Recently, research of ZnO has beenfocused on the synthesis of ... well as for theirapplications in nano-devices [18]. The success of nano-devices similarly trusts on the ability of controlling the transport and electrical properties of the semiconduc-tors,...

Báo cáo hóa học: " Impacts of Post-metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells" potx

... [6].ConclusionsIn this work, we have fabricated single-junction Si QD solar cells on quartz substrates, as an important step torealise an ‘all-silicon’ tandem solar cell. The impacts of post-metallisation ... times. The contact resistance is small in comparison with the semiconductor sheet resistance, as shown in Fig. 8.Therefore, the reduction of series resistance is largely dueto the reduction of the ... include reduction of the barrierheight and thickness of the quantum mechanical tunnellingbarrier, modiﬁcation of the composition of the cell’s absor-ber material, improved Si QD growth, an...

Báo cáo hóa học: " Inﬂuence of Surface Modiﬁed MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt

... of MWCNT in case of former and with 5 wt% in case of the latter. Electrical Properties One unique property of the MWCNTs is their electrical conductivity because of their large aspect ratio and mobile ... to longer chains of amine groups present on the surface of the tubes. The longer alkyl chains provide more repulsion between the individual MWCNT, hence the available surface area for of the MWCNTs ... [14]. Surface Morphology of the MWCNTs Figure 5(a–c) shows the SEM micrographs of the MWCNTs of the as-produced and the functionalized tubes.As seen from Fig. 5a, the raw MWCNTs are produced inthe...

the spatial, spectral and polarization properties of solar flare x-ray sources

... Glasgow Theses Service http://theses.gla.ac.uk/ theses@gla.ac.uk Jeffrey, Natasha Louise Scarlet (2014) The spatial, spectral and polarization properties of solar flare X-ray sources. ... both the properties of the accelerated electron distribution, and of the ﬂaring coronal and chromospheric plasmas. This thesis is speciﬁcally concerned with the study of spa-tial, spectral and polarization ... position of the photon before scattering and after scattering and the angle Ξ that d et er m i n es the ﬁnal rot at i o n of the Stokes paramet er sback into the fra me of the source from the scatterin...

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